Answer:
m=-4
Step-by-step explanation:
Answer:
take 1 - 4 you should get answer
Step-by-step explanation:
4x + y = 1
Find the missing length of the triangle 12 8 Y
Answer:
What does the triangle look like?
When an object is weighed on a scale, the number displayed may vary from the object’s actual weight by at most 0.4 pounds. The scale says the object weighs 125.8 pounds. Part A: Write an absolute value inequality that describes the range of the actual weight of the object. Use the variable w to represent the actual weight of the object. Part B: Solve the absolute value inequality for w. Express your answer as a compound inequality.
The compound inequality that represents the range of the actual weight of the object is 125.4 ≤ w ≤ 126.2.
Part A: The absolute value inequality that describes the range of the actual weight of the object is:
|w - 125.8| ≤ 0.4
Part B: To solve the absolute value inequality, we can break it down into two separate inequalities:
w - 125.8 ≤ 0.4 and - (w - 125.8) ≤ 0.4
Solving the first inequality:
w - 125.8 ≤ 0.4
Add 125.8 to both sides:
w ≤ 126.2
Solving the second inequality:
-(w - 125.8) ≤ 0.4
Multiply by -1 and distribute the negative sign:
-w + 125.8 ≤ 0.4
Subtract 125.8 from both sides:
-w ≤ -125.4
Divide by -1 (note that the inequality direction flips):
w ≥ 125.4
Combining the solutions, we have:
125.4 ≤ w ≤ 126.2
The object is 125.4 ≤ w ≤ 126.2.
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In ΔEFG, f = 88 cm, g = 18 cm and ∠E=68°. Find the area of ΔEFG, to the nearest square centimeter.
The area of ΔEFG is approximately 916 square centimeters.
Given that,
In ΔEFG
f = 88 cm ,
g = 18 cm
∠E=68°
To find the area of ΔEFG,
Use the formula:
Area = (1/2)xfxgxsin(∠E)
First, we need to convert the angle from degrees to radians.
We can do this by multiplying by π/180.
∠E = 68° * π/180 ≈ 1.19 radians
Next, we can plug in the values we have:
Area = (1/2)x88x18xsin(1.19)
≈ 915.56 cm²
Rounding this to the nearest square centimeter,
we get,
Area ≈ 916 cm²
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There are 54 girls on the playground. There are 25 fewer boys than girls on the playground. How many kids are on the playground?
Answer:
83 kids total
Step-by-step explanation:
There are 54 girls on the playground. There are 25 fewer boys than girls on the playground. How many kids are on the playground?
girls = 54
boys = 54 - 25 = 29
54 + 29 = 83 kids total
kids that are on the playground are 83.
What is the sum?Merging objects and identifying them since one big bunch is done through addition. In arithmetic, addition is the technique of adding two or more integers together. The product can meet are the quantities that are included, and the outcome of the operation, or the final response, is referred to as the sum.
The total number of girls that are present is 54
The data given is that there are
25 fewer boys taht are4 present
The total number of boys will be
boys = 54 - 25 = 29
The number of kids that are present will be the total of boys and girls that are present.
Kids = boys + girls
54 + 29 = 83 kids total
The quantity of kids that are present in the playground is 83.
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If these cylinders and prisms were broken into two separate groups, what would be an equivalent ratio to 8/2? i dont have much longer and btw it doesn't have a picture.
100 points?
The Equivalent ratio to 8/2 is 4/1, 24/6, 32/8 and 48/12.
We have,
Cylinder and prism.
Here we have to find the equivalent ratio to 8/2.
First simplifying the given ratio as
8/2
= (4 x 2)/2
= 4 /1
Now, some more ratios equivalent to 8/2.
1. 8/2 x 3/3 = 24/ 6
2. 8/2 x 4/4 = 32/8
3. 8/2 x 6/6= 48/12
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On Rhombus WXYZ,if W is located at (-5,-2) and Y is located at (3,-2), what is the slope of XZ?
Answer:
This is done by multiplying the x factor by tow and then subtraction from the thir power
Step-by-step explanation: This is only done by use 3 and 1 whiten the two y axes.
NEED HELP ASAP
1/19/2022
Give me TWO ways to calculate 2+3 x 4
2+(3x4) or 2(3+4) < distributive property
The graph shows the speed of a car while it is
slowing down to a stop.
a) Using an appropriate triangle with two of its
vertices on the curve, estimate the distance
travelled by the car during this time.
b) Is your answer an underestimate or an
overestimate?
What is -2.3 - ( 4.5 - 3 1/2)?
a) 2.3
b)-10.3
c) -3.3
d)-1.3
PLEASE HELP ME SOON!!!!!
Answer:
-3.3 (Choice 3)
Answer:
-3.3
Step-by-step explanation:
1/2=0.5 so 3+0.5=3.5
4.5-3.5=1 Brackets comes first because BIDMAS
-2.3-1= -3.3
Part 1 A projectile is launched from ground level with an initial velocity of v0 feet per second. Neglecting air resistance, its height in feet t seconds after launch is given by s=−16t2+v0t. Find the time(s) that the projectile will (a) reach a height of 160 ft and (b) return to the ground when v0 is 32 feet per second. Question content area bottom Part 1 (a) Find the time(s) that the projectile will reach a height of 160 ft when v0=32 feet per second. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
a) The projectile cannot reach a height of 160 feet under given conditions.
b) The projectile takes a time of 2 second to hit the ground.
How to analyze the height of a projectile in time
In this question we find the case of a project under free fall, that is, a vertical uniformly accelerated motion due to action of gravity, whose formula is shown below:
s = - 16 · t² + v₀ · t
Where:
t - Time, in secondsv₀ - Initial speed, in feet per second.Part A - If we know that v₀ = 32 ft / s and s = 160 ft, then the time associated is:
- 16 · t² + v₀ · t - s = 0
- 16 · t² + 32 · t - 160 = 0
By quadratic formula:
t₁ = 1 + i 3, t₂ = 1 - i 3
It is physically impossible to reach a height of 160 feet under conditions given.
Part B - If we know that s = 0 ft and v = 32 ft / s, then the final time is:
- 16 · t² + v₀ · t - s = 0
- 16 · t² + 32 · t = 0
- 16 · t · (t - 2) = 0
The final time for the projectile is 2 seconds.
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A tank in the shape of a hemisphere has a diameter of 24 feet. If the liquid that fills the tank has a density of 92.5 pounds per cubic foot, what is the total weight of the liquid in the tank, to the nearest full pound?
The total weight of the liquid in the tank is approximately 12,628 pounds.
To calculate the weight of the liquid, we need to determine the volume of the hemisphere and then multiply it by the density of the liquid. The formula for the volume of a hemisphere is V = (2/3)πr³, where r is the radius of the hemisphere.
In this case, the diameter of the tank is given as 24 feet, so the radius is half of that, which is 12 feet. Plugging this value into the formula, we get V = (2/3)π(12)³ ≈ 904.78 cubic feet.
Finally, we multiply the volume by the density of the liquid: 904.78 cubic feet * 92.5 pounds per cubic foot ≈ 12,628 pounds. Therefore, the total weight of the liquid in the tank is approximately 12,628 pounds.
In summary, to calculate the weight of the liquid in the tank, we first determine the volume of the hemisphere using the formula V = (2/3)πr³. Then, we multiply the volume by the density of the liquid.
By substituting the given diameter of 24 feet and using the appropriate conversions, we find that the total weight of the liquid is approximately 12,628 pounds.
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Find the union of each of the following pairs of the sets P={a,b,c,d} Q={a,e,i,o,u}
The union of the sets is written as;
P∪Q = { a, b, c, d,e , i, o, u}
How to determine the setFirst, we need to know that;
These signs of sets represents;
∩ represents the intersection of sets, where the common elements of the two or more sets are determined.∪ represents the union of sets where all the elements of the sets are written without repetition of elements.From the information given, we have that;
P={a,b,c,d}
Q={a,e,i,o,u}
The union of the sets is written as;
P∪Q = { a, b, c, d,e , i, o, u}
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7. The exam scores of MBA students are normally distributed with a mean of 950 and a standard deviation of 200. (Also explain all your answers using Graphical work)
a) if your score was 1390 what percentage of students have scored more than you ?
b) What are the minimum and the maximum values of the middle 87.4% of the scores?
c) If there were 165 students who scored above 1432. How many students took the exam?
The percentage of students that have scored more than you is 1.39%
How to illustrate the probability?a) Probility that people scored more than Nancy = P(X>1390) = 1- P(X<1390).
Now z= (1390-950)/200
z= 2.2
P(Z<2.2) = 0.9861
So 1- P(X<1390) = 1 - P(Z<2.2) = 1 - 0.9861 = 0.0139
= 1.39 %
Let P1 be the % of people who score below 1100 and P2 be the % of people who scored below 1200
Then % of students between scores of 1100 and 1200 = P2 - P1
Z (X=1100) =0.75 and Z (X=1200) = 1.25
P1 = P(X<1100)= P (Z< 0.75) =0.7734
P2 = P(X<1200)= P (Z< 1.25) =0.8944
Then % of student between score of 1100 and 1200 = P2 - P1 = 0.8944 - 0.7734 = 0.121 = 12.10%
Middle 87.4 % score means that a total of 12.6 % of the population is excluded. That is 6.3% from both sides of the normal curve. So the minimum value for the middle 87.4% will the one which is just above 6.3% of the population i.e. it will have value x such that P(X<x)= .063.
z value (for P(X<x)= .063) = (-1.53)
But Z= (x-u)/ \sigma from here calculating x, x=644
The minimum value of the middle 87.4% score is 644
The maximum value for the middle 87.4 % of the scores will be the one that has 6.3% scores above it, i.e. it will have value x such that P(X>x)= .063.
P(X<x)= 1 -P(X>x)= 1 - 0.063 = 0.937.
Z value (for P(X<x)= 1.53
But Z= (x-u)/ \sigma from here calculating x, x=1256
The maximum value of the middle 87.4% score is 1256
Z value for (X=1432)= 2.41
P(Z<2.41) =0.9920
It means that 99.2 % of scores are less than 1432
So only 0.8% of scores are higher than 1432
but , 0.8% = 165
So 100% = 20625
20625 students took SAT
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Which of the following angles are shown in the drawing?
The angle from the options given that is shown in the drawing is: D. <LIJ.
What is an Angle?An angle is a geometric figure that is formed by two rays that share the same endpoint, called the vertex. The rays are called the sides of the angle, and the endpoint is called the vertex.
In the drawing given, IJ and LI are two segments that have a common endpoint called vertex I.
Points L, I, and J forms an angle whose vertex is at I, as shown in the image given. Thus, the angle shown in the drawing is: D. ∠LIJ.
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口
5) Place the decimal point in the product.
8 x 0.0006 = 00048
04.8
0.48
0.0048
0.048
Which one is right?
Tina's Treats charges a $4.35 fee for each delivery. Which table best represents the relationship between f, the amount made from the delivery fee, and d, the number of deliveries made in a day?
Answer:
Is there any answer choices? If not I would think its 5$
5$
4$
Step-by-step explanation:
A circle has a circumference of 12. It has an arc of length 11.
What is the central angle of the arc, in degrees?
Answer:
330 degrees
That's the central angle arc
A shirt was originally priced at $45. The store is having a 35% off sale. How much will you pay for the shirt after the discount (not including tax)
Answer:
29.25
Step-by-step explanation:
First find the discount
45 *35%
45*.35
15.75
Subtract this from the original price
45-15.75
29.25
Find the original price of a CD if it was discounted by 5% and was sold for $21.84.
Answer:
$ 22.98
Step-by-step explanation:
discounted = 5%
sold at = 100 % - 5%
= 95%
let the original price of CD be x
= 95% of x =21.84
= 95/100 × x = 21.84
= x = 21.84 × 100/95
= x = 2184/95
= x = $22.98Please mark my answer the brainliest and rate me 5 star and follow me.please please please please please please
if sample of size 40 and sampl of size 10, sample mean from larger sample closer to to true popuation is?
Yes,The law of large number says that if you take sample of larger and larger size forming population than the mean of the sampling distribution u-x tend to get closer to true population.
What is the relationship between sample size and sample mean?As a sample size increases, the sample mean and standard deviation will be closer in value to the population mean μ and standard deviation σ.Very large samples tend to transform small differences into statistically significant differences.
How do you find the sample size for a sample mean?There are following steps for finding sample mean
Add up the sample items. Firstly we will need to count how many sample items you have within a data set and add up the total amount of items.
Divide sum by the number of samples.
The result is the mean.
Use the mean to find the variance.
Use the variance to find the standard deviation.
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4. Which of these describes thetransformation in terms of f(x)?Horizontal translation 3 units rightF f(x)-3H F(x+3)G -3f(x). J f(x-3)
Answer
Option J is correct.
The new function is f(x - 3)
Explanation
When a function f(x) is translated horizontally along the x-axis by a units, the new function is represented as
f(x + a) when the translation is by a units to the left.
f(x - a) when the translation is by a units to the right.
So, for this question where f(x) is translated horizontally along the x-axis by 3 units to the right, the new function will be represented as f(x - 3).
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write the function in terms of the confirmation of a complementary anglecos5π\24 ??
Chelsea earned $85
while babysitting. She
spent $42 on gas for her
car and $17 on dinner
with a friend. How much
money does she have
now?
Answer:
$85-$42-$17=$26
Step-by-step explanation:
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NO BOT ANSWERS OR WE WILL REPORT YOU. Can you see triangles in this baseball player’s posture? Many players improve their swings using the properties of geometry to evaluate their positions and postures. This is true in many other sports as well including soccer, football, and golf.
Find how players improve using the properties of geometry to evaluate their positions and postures. Choose at least three examples and explain how the concepts you learned about in this Unit relate to the examples you find.
In golf, players use the concept of angles to evaluate their club head position and the angle of attack on the ball. By understanding the principles of geometric angles, golfers can adjust their swing and improve the accuracy and distance of their shots.
How can players improve using the properties of geometry?In basketball, players use the concept of spatial awareness to evaluate their positioning on the court. By understanding geometric concepts such as lines, angles and planes, they can improve their ability to move without the ball and find open spaces on the court.
In soccer, players use the concept of geometric shapes to evaluate their positioning on the field. By understanding the principles of triangles and circles, soccer players can improve their ability to move and pass the ball effectively, as well as to anticipate the movements of the opposing team.
Overall, the concepts of geometry, such as angles, spatial awareness, and geometric shapes, are essential for athletes in many sports to evaluate their positions and postures and improve their performance.
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(X+5)(2X -7) x approach 3
Evaluate limits
Step-by-step explanation:
X =3 so 3+5=8
Then 2*3=6-7
(8)(6-7)
8*6-7
48-7
41
Calculer la moyenne de la série suivante :
Valeurs 7 8 9 10 11 12 13 14 15 16 18
Effectifs 7 1 1 1 1 3 2 1 1 1 1
On donnera la réponse sous la forme d'un entier relatif ou d'un nombre décimal.
Answer:
Pour calculer la moyenne, nous devons multiplier chaque valeur par sa fréquence, additionner tous les produits, puis diviser par la fréquence totale.
Le calcul ressemblerait à ceci :
(7 * 7) + (8 * 1) + (9 * 1) + (10 * 1) + (11 * 1) + (12 * 3) + (13 * 2) + (14 * 1) + (15 * 1) + (16 * 1) + (18 * 1)
= 49 + 8 + 9 + 10 + 11 + 36 + 26 + 14 + 15 + 16 + 18
= 238
Fréquence totale = 7 + 1 + 1 + 1 + 1 + 3 + 2 + 1 + 1 + 1 + 1 = 21
Moyenne = 238/21 = 11,333
La moyenne de la série est de 11,3333.
Nolan was given a box of assorted chocolates for his birthday. Each night, Nolan treated himself to some chocolates. There were originally 30 chocolates in the box and after 8 nights, there were 6 chocolates remaining in the box. Write an equation for
C
,
C, in terms of
t
,
t, representing the number of chocolates remaining in the box
t
t days after Nolan's birthday.
The equation of remaining chocolate C in terms of t is C = 30 - 3t.
What is an equation?A mathematical statement called an equation demonstrates the balance or equality of two expressions. It contains of variables, integers, and mathematical operations and is denoted by the equal symbol (=). Equations may be solved to determine unknown values and are used to express relationships between various quantities. To solve for x in the equation 2x + 3 = 7, for instance, remove 3 from both sides, which gives 2x = 4, then divide both sides by 2, which gives x = 2.
Given that,
Initial number of chocolates in box = 30
Also given that after 8 nights, number of remaining chocolates = 6
Implies that,
In 8 nights, 24 chocolates were treated.
In 1 night, 3 chocolates were treated.
The equation of remaining chocolate C in terms of t can be written as
C = 30 - 3t.
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2. Abigail and Curtis Siebert: $270,000 mortgage at 7% for 20 years.
M = 270,000 * (0.5833% * (1 + 0.5833%)^240) / ((1 + 0.5833%)^240 - 1). Calculating this equation will give us the monthly mortgage payment for Abigail and Curtis Siebert.
Abigail and Curtis Siebert have a $270,000 mortgage at an interest rate of 7% for a term of 20 years.
To calculate the monthly mortgage payment, we can use the formula for an amortizing mortgage:
M = P * (r * (1 + r)^n) / ((1 + r)^n - 1),
where M is the monthly mortgage payment, P is the principal amount (loan amount), r is the monthly interest rate, and n is the total number of monthly payments.
First, we need to convert the annual interest rate to a monthly interest rate. Since there are 12 months in a year, the monthly interest rate is 7% divided by 12, which is approximately 0.5833%.
The total number of monthly payments is the term of the mortgage multiplied by 12. In this case, it's 20 years * 12 months, which equals 240 months.
Now, we can substitute the values into the formula:
M = 270,000 * (0.5833% * (1 + 0.5833%)^240) / ((1 + 0.5833%)^240 - 1).
Calculating this equation will give us the monthly mortgage payment for Abigail and Curtis Siebert.
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Alyana's and Stephanie's combined yearly salaries are $20,615. Alyana makes 4/7 of their combined yearly salaries. How much does Stephanie make in dollars?
Answer:
$8,835
Step-by-step explanation:
Multiply the total ($20,615) by 3/7 to get your answer.
Let P(x) = -50x+20,000x-1,5000,000 represent the profit function for manufacturing a particular model of recreational
vehicle (RV) and x represent the number of RVS produced monthly. Use a compound inequality to state the range of the
number of RVs that need to be sold each month for the company to make a profit.
O 0
100
200
none of the answer choices
O 0
O 100
Among the given answer choices, the correct option that represents this range is "0 100 200 none of the answer choices".
To determine the range of the number of RVs that need to be sold each month for the company to make a profit, we need to consider the profit function and find the values of x that result in a positive profit.
The profit function is given by P(x) = -50x + 20,000x - 1,500,000.
To make a profit, the value of P(x) must be greater than zero (P(x) > 0). We can set up the inequality:
-50x + 20,000x - 1,500,000 > 0.
Combining like terms, we have:
19,950x - 1,500,000 > 0.
Now, let's solve this inequality for x:
19,950x > 1,500,000.
Dividing both sides by 19,950, we get:
x > 1,500,000 / 19,950.
Simplifying the right side, we have:
x > 75.
The range of the number of RVs that need to be sold each month for the company to make a profit is x > 75.
Among the given answer choices, the correct option that represents this range is "0 100 200 none of the answer choices".
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