a) The probability of rejecting the plant manager's statement when it is true is approximately 0.0062 or 0.62%.
b) The values of α and β that satisfy the given conditions are α = 0.05 and β = 0.05.
a) Null hypothesis (H0): The mean weight of the pills is 10g.
Alternative hypothesis (HA): The mean weight of the pills is not 10g.
Given that the deviation is 0.3g, we can calculate the standard deviation (σ) as follows:
σ = deviation / √n
σ = 0.3 / √1 (since we are considering a single pill)
σ = 0.3
Next, we calculate the z-score using the observed weight (9.25g):
z = (x - μ) / σ
z = (9.25 - 10) / 0.3
z = -2.5
we can find the probability of obtaining a z-score less than or equal to -2.5. Let's assume it is 0.0062.
This probability represents the significance level (α) of the test.
Since α is usually set at 0.05 (5%), we can compare it with the calculated probability.
If α < 0.0062, we reject the null hypothesis; otherwise, we fail to reject it.
In this case, α = 0.05 > 0.0062.
Therefore, we fail to reject the null hypothesis, which means there is not enough evidence to conclude that the plant manager's statement is false.
The probability of rejecting the plant manager's statement when it is true is approximately 0.0062 or 0.62%.
b) To find the values of α and β, we can use the standard normal distribution and the z-scores associated with the given probabilities.
For α = 0.05, we find the z-score that corresponds to the 0.05 percentile. Let's assume it is approximately -1.645.
For β = 0.05, we find the z-score that corresponds to the 0.95 percentile. Let's assume it is approximately 1.645.
Now we can calculate the corresponding values of μ and σ.
For α:
z = (x - μ) / (σ / √n)
-1.645 = (10 - μ) / (σ / √n)
For β:
z = (x - μ) / (σ / √n)
1.645 = (9.75 - μ) / (σ / √n)
Note that the true mean is 9.75g based on the alternative hypothesis.
Since both equations are divided by the same quantity (σ / √n), we can equate them:
(10 - μ) / (σ / √n) = (9.75 - μ) / (σ / √n)
10 - μ = 9.75 - μ
Solving for μ:
μ = 10 - 9.75
μ = 0.25
To learn more on Statistics click:
https://brainly.com/question/30218856
#SPJ4
Find the major axis for the ellipse
x² + 16y2-96y + 128 = 0
The major axis for the ellipse, x² + 16y² - 96y + 128 = 0 is the x-axis
To answer the question, we need to write it in the standard form of the equation of an ellipse
Equation of an ellipseThe equation of an ellipse centered at (h,k) is
(x - h)²/a² + (y - k)²/b² (1) where a > b and the major axis is parallel to the x axis
Given x² + 16y² - 96y + 128 = 0, we convert it into the standard equation of an ellipse.
So, x² + 16y² - 96y + 128 = 0
Dividing through by 16, we have
x²/16 + 16y²/16 - 96y/16 + 128/16 = 0/16
x²/16 + y² - 6y + 8 = 0
Completing the square in y by adding and subtracting (-6/2)² = (-3)²
x²/16 + y² - 6y + (-3)² - (-3)² + 8 = 0
x²/16 + (y - 3)² - 9 + 8 = 0
x²/16 + (y - 3)² - 1 = 0
x²/16 + (y - 3)² = 1
x²/4² + (y - 3)²/1² = 1 (2)
Comparing equations (1) and (2), we have that a = 4 and b = 1.
Since a = 4 > b = 1, the major axis for the ellipse is the x-axis
So, the major axis for the ellipse, x² + 16y² - 96y + 128 = 0 is the x-axis
Learn more about ellipse here:
https://brainly.com/question/26679189
#SPJ1
Laura and Rich have been approved for a $325,000, 15-year mortgage with an APR of 5.3%. Using the mortgage and interest formulas, complete the two-month amortization table.
First, let's calculate the monthly interest rate (i), which is the APR divided by 12 months:
i = APR / 12 months
i = 5.3% / 12
i = 0.00442 or 0.442%
Next, let's calculate the number of months (n) for the mortgage, which is 15 years multiplied by 12 months:
n = 15 years x 12 months/year
n = 180 months
Now, let's calculate the monthly payment (PMT) using the following formula:
PMT = P * i / \((1 - (1 + i)^(-n)\))
where P is the principal amount, i is the monthly interest rate, and n is the number of months.
PMT = $325,000 * 0.00442 / (1 - \((1 + 0.00442)^(-180)\)
PMT = $2,613.67 (rounded to the nearest cent)
Now, let's create the amortization table for the first two months:
Month | Payment | Interest | Principal | Remaining Balance
1 | $2,613.67 | $1,431.25 | $1,182.42 | $323,817.58
2 | $2,613.67 | $1,428.60 | $1,185.07 | $322,632.51
For each month, the Payment column shows the fixed monthly payment, the Interest column shows the calculated interest based on the remaining balance multiplied by the monthly interest rate, the Principal column shows the portion of the payment that goes towards reducing the principal, and the Remaining Balance column shows the remaining balance after subtracting the principal payment from the previous remaining balance.
The amortization table will continue in this manner for the remaining months until the mortgage is paid off.
Learn more about “ monthly interest rate “ visit here;
https://brainly.com/question/11916359
#SPJ4
The interest and principal amounts for the first payment are:
Interest = $325,000 * 0.0044167 = $1,426.25
Principal = $2,549.67 - $1,426.25 = $1,123.42
Balance = $325,000 - $1,123.42 = $323,876.58
For the second payment, we start with the new balance of $323,876.58 and apply the formulas again:
Interest = $323,876.58 * 0.0044167 = $1,420.47
Principal = $2,549.67 - $1,420.47 = $1,129.20
Balance = $323,876.58 - $1,129.20 = $322,747.38
To complete the two-month amortization table, we need to calculate the monthly payment, as well as the principal and interest amounts for each payment.
The formula for calculating a fixed-rate mortgage payment is:
\(Payment = P * r * (1 + r)^n / [(1 + r)^n - 1]\)
Where:
P = Principal amount borrowed
r = Monthly interest rate
n = Total number of payments
First, let's calculate the monthly interest rate.
Since the APR is an annual rate, we need to divide it by 12 to get the monthly rate:
Monthly interest rate = 5.3% / 12 = 0.0044167
Next, we need to calculate the total number of payments.
Since this is a 15-year mortgage, and we're completing a two-month amortization table, the total number of payments is:
Total number of payments = 15 years * 12 months per year = 180
Number of payments for two months = 2
Now we can plug these values into the formula to calculate the monthly payment:
Payment = \($325,000 * 0.0044167 * (1 + 0.0044167)^180 / [(1 + 0.0044167)^180 - 1]\)
= $2,549.67
So the monthly payment is $2,549.67
Now we can use this value to complete the two-month amortization table:
Payment Interest Principal Balance
Month 1 $1,426.25 $1,123.42 $323,876.58
Month 2 $1,420.47 $1,129.20 $322,747.38
To calculate the interest and principal amounts for each payment, we use the following formulas:
Interest = Balance * Monthly interest rate
Principal = Payment - Interest
Balance = Balance - Principal
We start with the initial balance of $325,000 and apply the formulas for each payment.
The interest and principal amounts for the first payment are:
Interest = $325,000 * 0.0044167 = $1,426.25
Principal = $2,549.67 - $1,426.25 = $1,123.42
Balance = $325,000 - $1,123.42 = $323,876.58
For the second payment, we start with the new balance of $323,876.58 and apply the formulas again:
Interest = $323,876.58 * 0.0044167 = $1,420.47
Principal = $2,549.67 - $1,420.47 = $1,129.20
Balance = $323,876.58 - $1,129.20 = $322,747.38
And so on, for each subsequent payment.
For similar question on amortization.
https://brainly.com/question/29485954
#SPJ11
Find the length of the third side. If necessary, write in simplest radical form
Answer:
5
Step-by-step explanation:
By the Pythagorean Theorem:
\( {x}^{2} + {10}^{2} = {(5 \sqrt{5} )}^{2} \)
\( {x}^{2} + 100 = 125\)
\( {x}^{2} = 25\)
\(x = 5\)
In a triple batch of a spice mix, there are 6 teaspoons of garlic powder and 15 teaspoons of salt. If the are 14 teaspoons of spice mix, how much sat is in it?
The picture shows the top view of a piece of glass. Which equations can be used to find the area, in square feet, of the piece of glass? Select all that apply. A. A = 2 1 2 × 4 = 2 1 2 × 4 B. A = 5 2 + 4 = 5 2 + 4 C. A = ( 2 1 2 + 2 1 2 ) + ( 4 + 4 ) = ( 2 1 2 + 2 1 2 ) + ( 4 + 4 ) D. A = 5 2 × 4 = 5 2 × 4 E. A = ( 2 × 2 1 2 ) + ( 2 × 4 ) = ( 2 × 2 1 2 ) + ( 2 × 4 ) F. A = 2 1 2 + 4 ]
options B, D, and E are correct. Option A is incorrect because it uses the wrong length measurement.
what is a rectangle?
A rectangle is a four-sided flat shape with straight sides, where opposite sides are parallel and equal in length. It has four right angles (90-degree angles) at each corner. The length and width of a rectangle are its two main dimensions, and the area of a rectangle is calculated by multiplying its length by its width.
Based on the picture, we can see that the glass has a rectangular shape with dimensions of 4 feet and 5 2/12 feet. Therefore, the equations that can be used to find the area, in square feet, of the piece of glass are:
B. A = 5 2/12 + 4 = 9 2/12 = 7/3 square feet
D. A = 5 2/12 × 4 = 20 1/3 square feet
E. A = (2 × 2 1/2) + (2 × 4) = 9 square feet
Therefore, options B, D, and E are correct. Option A is incorrect because it uses the wrong length measurement. Option C is incorrect because it adds the dimensions instead of multiplying them. Option F is also incorrect because it adds the dimensions instead of multiplying.
Options B, D, and E correctly calculate the area of the glass by multiplying the length by the width. Option B adds the length and width before multiplying them, while option D multiplies the length and width directly.
To learn more about rectangle from the given link:
https://brainly.com/question/29123947
#SPJ1
Solve the system of equations. x+y=2 and y=-1/4x²+3
Answer:
2 solutions:
(-2.899, 0.899) and (6.899, -8.899)
Step-by-step explanation:
x+y=2
y=-x+2
y=1/4x²+3
Graph both equations into graphing calculator
Graph in attachment shows solutions
Bobby and Davonte bought a total of 11 shirts. Each shirt cost the same price. Bobby spent $92.40 on shirts and Davonte spent $52.80 on shirts. How much did each shirt cost?
The cost of each shirt Bobby and Davonte bought if they both spent $145.20 on 11 shirts is $13.2
How much did each shirt cost?Total number of shirts bobby and Davonte bought = 11
Amount Bobby spent on shirts= $92.40
Amount Davonte spent on shirts= $52.80
Total amount both spent= $92.40 + $52.80
= $145.20
Cost of each shirt= Total amount both spent / Total number of shirts bobby and Davonte bought
= $145.20 / 11
= $13.2
Therefore, each shirt Bobby and Davonte bought cost $13.2
Read more on total cost:
https://brainly.com/question/5168855
#SPJ1
Graph the system of equations. y = 2x y = –x + 6 Two lines on a coordinate plane that intersect at the point 2 comma 4. One line has y intercept 0 and the other has y intercept 6. Two lines on a coordinate plane that intersect at the point negative 2 comma negative 4. One line has y intercept 0 and the other has y intercept negative 6. Two lines on a coordinate plane that intersect at the point 1 comma 2. One line has y intercept 0 and the other has y intercept 3. Two lines on a coordinate plane that intersect at the point 3 comma 3. One line has y intercept 0 and the other has y intercept 6.
The solution to the systems of equations graphically is (2, 4)
Solving the systems of equations graphicallyFrom the question, we have the following parameters that can be used in our computation:
y = 2x
y = -x + 6
Next, we plot the graph of the system of the equations
See attachment for the graph
From the graph, we have solution to the system to be the point of intersection of the lines
This points are located at (2, 4)
Read more about equations at
brainly.com/question/148035
#SPJ1
Ill give brainliest if answered correctly!
y x 6 = y for 2/3
Answer:
4
Step-by-step explanation:
Simplify each expression.
√32 .72
The simplified expression √32 * 0.72 is equal to 2.88.
Here, we have,
To simplify the expression √32 * 0.72, we can first simplify the square root of 32.
√32
= √(16 * 2)
= √16 * √2
= 4√2
Now we can substitute this value back into the expression:
√32 * 0.72 = 4√2 * 0.72
To multiply these values, we can simplify further:
4 * 0.72 = 2.88
Therefore, the simplified expression √32 * 0.72 is equal to 2.88.
To learn more on Expression click:
brainly.com/question/14083225
#SPJ4
Tomas bought 3 software apps and 2 e-books for a total of $21. The two e-books cost $12. If s represents the cost of each app, the total cost of all 5 items is represented by 3 s + 12 = 21. Which statement about verifying the solution for s is true?
Answer:
s = 3
Step-by-step explanation:
First compute the cost of the three apps:
21-12=9
The cost of the three apps is $9 then.
Since s is the price of the apps, we deduce the equation:
3s=9
/3
s = 3
Answer: B is the answer
Step-by-step explanation: I took the quiz on edgunity
Find the distance (8,-7) (-4,-2)
Distance = 13 units
Point A: (8, -7)
Point B: (-4, -2)
\(\sqrt{(8 + 4)^{2} + (-7 + 2)^{2} }\)
\(\sqrt{(12)^{2} + (-5)^{2} }\)
\(\sqrt{144 + 25 }\)
\(\sqrt{169}\)
\(13\)
Answer:
\(\boxed {d = 13}\)
Step-by-step explanation:
Use the Distance Formula to help you find the distance between the two following points:
\(d = \sqrt{(x_{2} - x_{1})^{2} + (y_{2} - y_{1})^{2}}\)
(where \((x_{1}, y_{1})\) represents the first point and \((x_{2}, y_{2})\) represents the second point)
-Apply the two following onto the formula:
\((x_{1}, y_{1}) = (8, -7)\)
\((x_{2}, y_{2}) = (-4, -2)\)
\(d = \sqrt{(-4 - 8)^{2} + (-2 + 7)^{2}}\)
-Solve for the distance:
\(d = \sqrt{(-4 - 8)^{2} + (-2 + 7)^{2}}\)
\(d = \sqrt{(-12)^{2} + 5^{2}}\)
\(d = \sqrt{144 + 25}\)
\(d = \sqrt{169}\)
\(\boxed {d = 13}\)
Therefore, the distance is \(13\).
Drag each tile to the table to multiply each row heading by
each column heading.
Answer:
Hey there!
4t(5t)=20t^2
4t(-4)=-16t
5(5t)=20t
5(-4)=-20
Hope this helps :)
Step-by-step explanation:
This is just a matter of multiplication. 4t x 5t = \(20t^{2}\), so that will be in your first box. 4t x -4 = -16t, so that'll be in your second box. 5 x 5t = 25t, so that will be in your bottom-first box, and 5 x -4 = -20, so that will be in your last one.
prove or disprove: for any mxn matrix a, aat and at a are symmetric.
For any m x n matrix A, AAT and ATA are symmetric matrices as (AAT)^T = AAT and (ATA)^T = ATA.
To prove or disprove that for any m x n matrix A, AAT and ATA are symmetric, we can use the definition of a symmetric matrix and the properties of matrix transposes.
A matrix B is symmetric if B = B^T, where B^T is the transpose of B. So, we need to show that (AAT)^T = AAT and (ATA)^T = ATA.
Step 1: Find the transpose of AAT:
(AAT)^T = (AT)^T * A^T (by the reverse order property of transposes)
(AAT)^T = A * A^T (since (A^T)^T = A)
(AAT)^T = AAT
Step 2: Find the transpose of ATA:
(ATA)^T = A^T * (AT)^T (by the reverse order property of transposes)
(ATA)^T = A^T * A (since (A^T)^T = A)
(ATA)^T = ATA
Since (AAT)^T = AAT and (ATA)^T = ATA, we have proved that for any m x n matrix A, AAT and ATA are symmetric matrices.
Learn more about : Matrix - https://brainly.com/question/31498048
#SPJ11
When constructing a frequency distribution for quantitative data, it is important to remember that ________.
A) classes are mutually exclusive
B) classes are collectively exhaustive
C) the total number of classes usually ranges from 5 to 20
D) All of the above
When constructing a frequency distribution for quantitative data, it is important to remember that classes are mutually exclusive, classes are collectively exhaustive, the total number of classes usually ranges from 5 to 20. The correct answer is D: All of above.
(A) Classes are mutually exclusive means that each data point should fit into only one class, with no overlap between classes. For example, if the classes are defined as intervals of height, then a person who is 5'10" should be placed in only one class, such as "5'10" to 6'0"."
(B) Classes are collectively exhaustive means that every data point should be included in a class. This means that there should be no gaps or omissions between classes. For example, if the classes are defined as intervals of weight, then every person's weight should fit into one of the defined weight classes.
(C) The total number of classes usually ranges from 5 to 20 depends on the nature of the data and the purpose of the frequency distribution. Too few classes may result in a loss of information, while too many classes may make it difficult to see patterns or trends in the data. In general, it is recommended to have enough classes to show the shape of the distribution, but not so many that the data becomes difficult to interpret.
Therefore, it is important to keep in mind all three of these factors when constructing a frequency distribution for quantitative data.
Learn more about quantitative data at:
https://brainly.com/question/28362294
#SPJ11
If the smaller of two numbers is one-half of the larger number and the sum of the two numbers is 75
Step-by-step explanation:
let the larger number=n
then the smaller number=½n
We conclude from the question that
n+½n=75
3/2n=75
3n=150
n=150/3=50
Therefore the larger number=50 and the smaller number=½×50=25
NEED HELP ASAP - Algebra 2
Create your own instructions on how to simplify radical expressions. To accompany your explanation, create your own problem to show the steps in an example.
To simplify a radical expression, you can use a few different techniques. One common technique is to factor the expression under the radical sign (the radicand) as much as possible.
How to simplify radical expression?Another technique you can use is to use the properties of radicals. For example, you can use the product property of radicals to combine like terms under the radical sign
You can also use the quotient property of radicals to divide out a factor under the radical sign. Finally, some radicals are unsimplifiable by these methods. You can approximate a value of radical or try to get it in a form of fraction with radical.
Learn more about expressions on:
https://brainly.com/question/723406
#SPJ1
Solve the equation.
3x + 2(4x − 6) = 8x + 1
Please help :) also have a good day :D
What is the value for x?
Please enter fractional values in the form ‘a/b’. For example, an answer of \(\frac{1}{3}\) will be entered as 3/4.
x =
Answer:
3x + 2(4x − 6) = 8x + 1
3x + (8x-12)=8x+1
-12=19x+1
-11=19x
-11/19 (Im pretty sure i did this right but at the same time im not, im sorry if i got this wrong)
Answer:
=13/3
Step-by-step explanation:
1. Distribute
3+2(4−6)=8+1
3+8−12=8+1
2. Combine like terms
3+8−12=8+1
11−12=8+1
3. Add 12 to both sides of the equation
11−12=8+1
11−12+12=8+1+12
4. Simplify
11=8+13
5. Subtract 8x from both sides of the equation
11=8+13
11−8=8+13−8
6. Simplify
3=13
7. Divide both sides of the equation by the same term
3=13
3x÷3=13÷3
8. Simplify
If you cancel terms that are in both the numerator and denominator you will get:
=13/3
I hope this helps
in in the bending rheometer = 0.4mm, 0.5mm, 0.65mm, 0.82mm,
0.98mm, and 1.3mm for t = 15s, 30s, 45s, 60s, 75s, and 90s, what
are the values of S(t) and m. Does this asphalt meet PG grading
requirement
It is given that PG grading requirement is met if the values of S(t) are between -3.2 and +3.2. As all the calculated values of S(t) lie within this range, the asphalt meets PG grading requirement.
Given data: Bending rheometer: 0.4mm, 0.5mm, 0.65mm, 0.82mm, 0.98mm, and 1.3mm for t = 15s, 30s, 45s, 60s, 75s, and 90s.
We are supposed to calculate the values of S(t) and m to check if the asphalt meets PG grading requirement.
Calculation of m:
Mean wheel track rut depth = (0.4+0.5+0.65+0.82+0.98+1.3)/6
= 0.7933mm
Calculation of S(t)
S(t) = (x - m)/0.3
Where, x = 0.4mm, 0.5mm, 0.65mm, 0.82mm, 0.98mm, and 1.3mm
Given, m = 0.7933mm
Substituting these values into the formula above:
S(15s) = (0.4 - 0.7933)/0.3
= -1.311S(30s)
= (0.5 - 0.7933)/0.3
= -0.9777S(45s)
= (0.65 - 0.7933)/0.3
= -0.4777S(60s)
= (0.82 - 0.7933)/0.3
= 0.128S(75s)
= (0.98 - 0.7933)/0.3
= 0.62S(90s)
= (1.3 - 0.7933)/0.3
= 1.521
It is given that PG grading requirement is met if the values of S(t) are between -3.2 and +3.2. As all the calculated values of S(t) lie within this range, the asphalt meets PG grading requirement.
To know more about range visit
https://brainly.com/question/29463327
#SPJ11
given triangle abc, how many possible triangles can be formed for the following conditions: ab = 37cm, ac = 26cm, angle b = 32.5°
Given the lengths of the two sides and the angle between them, only one triangle can be created under the given circumstances.
1. Given that angle B is 32.5°, side AB is 37 cm, side AC is 26 cm, etc.
2. Calculate side BC using the Law of Cosines:
BC = (2(AB)(AC)cosB) + (AB)(AC)2
3. Input the values that are known: BC = (37 2 + 26 2 - 2(37)(26)cos32.5°)
4. Condense: BC = (1369 plus 676 minus 1848 cos 32.5 °)
5. Determine BC =. (2095 - 1539.07)
6. Condense: BC = 556.93
7. Determine BC as 23.701 cm.
8. Since the lengths of the two sides and the angle between them are specified, only one triangle can be formed under the current circumstances.
By applying the Law of Cosines, we can determine the length of the third side, BC, given that side AB is 37 cm, side AC is 26 cm, and angle B is 32.5°. In order to perform this, we must first determine the cosine of angle B, which comes out to be 32.5°. Then, we enter this value, together with the lengths of AB and AC, into the Law of Cosines equation to obtain BC.BC = (AB2 + AC2 - 2(AB)(AC)cosB) is the equation. BC is then calculated by plugging in the known variables to obtain (37 + 26 - 2(37)(26)cos32.5°). By condensing this formula, we arrive at BC = (1369 + 676 - 1848cos32.5°). Then, we calculate BC as BC = (2095 - 1539.07), and finally, we simplify to obtain BC = 556.93. Finally, we determine that BC is 23.701 cm. Given the lengths of the two sides and the angle between them.
Learn more about triangle here
https://brainly.com/question/2773823
#SPJ4
What is the value of x to the nearest tenth?
A 25.7
B. 43.2
C. 88.8
D. 89.7
What is the largest perimeter possible for a rectangle with positive whole-number dimensions and an area of 120 square centimeters ?
the largest perimeter possible for a rectangle with positive whole-number dimensions and an area of 120 square centimeters is 242 cm.
What is a rectangle?A rectangle is a quadrilateral with four right angles. It can also be defined as: an equiangular quadrilateral, since equiangular means that all of its angles are equal; or a parallelogram containing a right angle. A rectangle with four sides of equal length is a square.
here, given that,
a rectangle with positive whole-number dimensions and an area of 120 square centimeters.
now, we get,
You could have the width as 1 and the length as 120 making the area 120cm^2 but the perimeter 242.
Hence, the largest perimeter possible for a rectangle with positive whole-number dimensions and an area of 120 square centimeters is 242 cm.
To learn more on rectangle click:
brainly.com/question/29123947
#SPJ2
exponents from -1/15625
Exponents represent how many times a number is multiplied by itself. In this case, we have a negative exponent of -1/15625. To simplify this, we can rewrite it as 1 over the base number raised to the positive exponent 1/15625.
So, if the base number is x, then the expression can be written as:
x^(-1/15625) = 1/x^(1/15625)
This means that we take the reciprocal of the base number and raise it to the positive exponent 1/15625. Note that since the exponent is very small, the value of x^(1/15625) will be very close to 1. Therefore, the reciprocal will also be very close to 1, but slightly smaller.
The given value is -1/15625. To express this as an exponent with a base, you can rewrite it as a fraction with a negative exponent:
-1/15625 = (-1)(1/15625)
Now, let's find the exponent for the denominator. Since 15625 is equal to 5^6, we can rewrite the fraction as:
(-1)(1/5^6)
Finally, express the fraction as a single exponent:
(-1)(5^-6)
So, -1/15625 can be written as (-1)(5^-6) in terms of exponents.
To know more about exponents visit:
https://brainly.com/question/5497425
#SPJ11
What is the solution to the following system of
equations?
2x + 3y = 5
-X - 5y = 1
Lucas scored nine goals in for soccer games last season approximately how many points did Lucas average per game
Answer:
You need to find out how much games he had and divide by nine.
find the value of x. round the length to the nearest tenth. PLZ HELP ME.
Answer:
x ≈ 7.9 ft
Step-by-step explanation:
cos∅ = adjacent over hypotenuse
Since we are dealing with a right triangle, we can use trigonometry to help us solve for missing values:
cos44° = x/11
11cos44° = x
x = 7.91274
x ≈ 7.9 ft
One option in a roulette game is to bet on the color red or black. (There are 18 red compartments, 18 black compartments and two compartments that are neither black nor red.) If you bet on a color you get to keep your bet and win that same amount if the color occurs. If that color does not occur you will lose the amount of money you wagered on that color to appear. What is the expected payback for this game if you bet $6 on red?
The expected payback for betting $6 on red in this roulette game is approximately -$0.32. This means, on average, you can expect to lose about $0.32 per $6 wagered.
To calculate the expected payback for the game, we need to consider the probabilities and payouts associated with the bet on red.
In a standard roulette wheel, there are 18 red compartments, 18 black compartments, and two green compartments (neither black nor red) representing the 0 and 00. This means there are 38 equally likely outcomes.
If you bet $6 on red, there are 18 favorable outcomes (the red compartments) and 20 unfavorable outcomes (the black and green compartments). Therefore, the probability of winning is 18/38, and the probability of losing is 20/38.
If the color red occurs, you get to keep your bet of $6 and win an additional $6.
To calculate the expected payback, we multiply the probability of winning by the payout for winning and subtract the probability of losing multiplied by the amount wagered:
Expected Payback = (Probability of Winning * Payout for Winning) - (Probability of Losing * Amount Wagered)
Expected Payback = ((18/38) * $6) - ((20/38) * $6)
Expected Payback = ($108/38) - ($120/38)
Expected Payback = -$12/38
The expected payback for betting $6 on red in this roulette game is approximately -$0.32. This means, on average, you can expect to lose about $0.32 per $6 wagered.
Visit to know more about Average:-
brainly.com/question/130657
#SPJ11
Which relation is a function
Find an equation of the line that has slope m and y-intercept b. (Let x be the independent variable and y be the dependent variable.) m=−8;b=−7
The equation of the line with a slope of -8 and a y-intercept of -7 is y = -8x - 7.
In the slope-intercept form of a linear equation, y = mx + b, where m represents the slope and b represents the y-intercept, we can substitute the given values for m and b.
Thus, the equation becomes y = -8x - 7. The negative slope of -8 indicates that the line will have a downward slope, meaning that as x increases, y will decrease at a rate of 8 units. The y-intercept of -7 indicates that the line intersects the y-axis at the point (0, -7). This means that when x is 0, y is -7.
By plugging in different values of x into the equation, we can find the corresponding y-values and plot the points on a graph to visualize the line. This line will have a steep slope and will pass through the point (0, -7).
Learn more about slope here:
https://brainly.com/question/3605446
#SPJ11
Math i need help with it please
Step-by-step explanation:
Given that it has a sunroof = 12 + 20 + 0 + 18 = 50
with 4 doors = 20
20/50 = 2/5 = .4