The volume of the sports ball is 6286.28 cm³
What is volume of a sphere?A sphere is round, has no edges, and is a solid shape. Examples of a sphere include; The playing ball, balloon, and even light bulbs .
A sphere is a 3-dimensional shape ,and it's therefore a solid shape.
The volume of a sphere is expressed as;
V = 4/3 πr³
where r is the radius of the sphere and v is the volume.
the radius of the sphere is half the diameter.
D = 2r
r = 23/2 = 11.5
therefore ;
V = 4/3 × 3.14 × 11.5³
V = 18858.85/3
V = 6286.28 cm³ ( 2 decimal place)
Therefore the volume of the ball is 6286.28 cm³
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Find the equation of a straight line cutting off the y-intercept 4 from the axis of y and inclined to 60° with the positive direction of X-axis.
The linear function is given as follows:
\(y = \sqrt{x} + 4\)
How to define a linear function?The slope-intercept equation for a linear function is presented as follows:
y = mx + b
In which:
m is the slope.b is the intercept.The y-intercept is of 4, hence the parameter b is given as follows:
b = 4.
The line is inclined to 60° with the positive direction of X-axis, hence the slope m is given as follows:
m = tan(60º)
\(m = \sqrt{3}\)
Thus the function is given as follows:
\(y = \sqrt{x} + 4\)
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Please look at the photo. Thank you!
The zeros with each multiplicity are given as follows:
Multiplicity one: x = 6.Multiplicity two: x = 11.Multiplicity three: x = -6 and x = -5.How to obtain the multiplicities?The factor theorem is used to define the functions, which states that the function is defined as a product of it's linear factors, if x = a is a root, then x - a is a linear factor of the function.
Considering the linear factors of the function in this problem, the zeros are given as follows:
(x + 6)³ -> zero at x = -6 with multiplicity of 3.(x - 11)² -> zero at x = 11 with multiplicity of 2.x - 6 -> zero at x = 6 with multiplicity of 1.(x + 5)³ -> zero at x = -5 with multiplicity of 3.More can be learned about the Factor Theorem at brainly.com/question/24729294
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Sean is drawing a triangle with side lengths of 8 cm, 10 cm, and 20 cm and angle measurements of 40 °, 60°, and 80°. Which statement BEST describes Sean's triangle?
The statement that best describes the type of triangle is;
The triangle is a scalene triangle and also an acute triangle.
What is the type of triangle?Triangles could be classified based on their interior angles or even the number of equal sides of the triangle. Thus;
A triangle is called an acute triangle if all three angles are less than 90°
A triangle is called a right triangle if one angle is 90°
A triangle is called an obtuse triangle if one angle is greater than 90°
A triangle is called an Equilateral triangle if all three sides are the same length
A triangle is called an Isosceles triangle if two sides are the same length
A triangle is called a Scalene triangle if all three sides are of different lengths.
We are given the three angles of the triangle as; 40 °, 60°, and 80°.
Likewise we are given the length of the three sides as 8 cm, 10 cm, and 20 cm.
Since none of the angles nor sides are equal nor 90 degrees, then we can call this a scalene triangle. It can also be classified as an acute angle as all three angles are less than 90 degrees.
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Galaxy Star Corporation purchased goods for $100,000 from Sunrise
Materials. Galaxy Star Corporation can avail a discount of 2.5% if the
payment is made within 20 days. However, the full payment will be made
if the payment is made after 20 days.
If Galaxy Star Corporation pays within 20 days, which of the
following entries will it pass?
The entry that it will pass on the accounting book based on the information about Galaxy Star Corporation is the credit sales.
What is a credit sale?It should be noted that credit sales are the sales where the amount that is owed will be paid at alter date.
From the information given, we were informed that the payment will be made after 20 days. Therefore, the appropriate entry will be in town credit sales.
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Find the midpoint, M, of AB.
A
M
B
0
[?]
26
Answer:
13
Step-by-step explanation:
The midpoint is 1/2 way between points A and B
(A+B)/2 = (0+26)/2 = 26/2 = 13
(2x+y=-2
5x + 3y = -8
Solve by elimination
Answer:
y = -6, x =2
Step-by-step explanation:
To solve by elimination, you have to line both equations up together. Then, you multiply both equations until one variable is removed.
2x+y = -2
5x + 3y = - 8
There are many different ways to solve an elimination problem, but generally you should look for the simplest route. Here, I would multiply the top equation by -3.
-6x -3y = 6
5x +3y = -8
Imagine you are adding the two equations together. You end up with
-x = -2
Then solve for x. In this situation, it is fairly simple. Take out a factor of -1.
x = 2
Finally, choose one of your beginning equations and plug your new-found x value back into the equation.
2(2) +y = -2
4 + y = -2
y = -6
The Wellbuilt Company produces two types of wood chippers, economy and deluxe. The deluxe model requires 3 hours to assemble and 1/2 hour to paint, and the economy model requires 2 hours to assemble and 1 hour to paint. The maximum number of assembly hours available is 30 per day, and the maximum number of painting hours available is 9 per day. (a) Write the system of inequalities that describes the constraints on the number of each type of wood chipper produced. (Let x represent the number of deluxe models, and let y represent the number of economy models.)
Answer:
3x + 2y ≤ 30
0.5x + y ≤ 9
Step-by-step explanation:
Number of deluxe model = x
Number of economy models = y
Assembly hours :
Maximum hours = 30
Deluxe model = 3 hours
Economy model = 2 hours
3x + 2y ≤ 30
Painting :
Maximum hours = 9
Deluxe model = 1/2 = 0.5 hours
Economy model = 1 hours
0.5x + y ≤ 9
Therefore the inequality constraints are:
3x + 2y ≤ 30
0.5x + y ≤ 9
Given the values of the linear functions f (x) and g(x) in the tables, where is (f – g)(x) positive?
The composite function is positive at the interval (-7, ∝)
How to calculate where the composite function is positiveFrom the question, we have the following parameters that can be used in our computation:
The table of values of the function f(x)
Also, we have
The table of values of the function g(x)
The composite function (f - g)(x) is calculated as
(f - g)(x) = f(x) - g(x)
From the table of values, we have the following values
(f - g)(-10) = f(-10) - g(-10) = -3 - 9 = -12 --- negative
(f - g)(-7) = f(-7) - g(-7) = 6 - 6 = 0 --- zero
Also, we have
(f - g)(-4) = f(-4) - g(-4) = 15 - 3 = 12 --- positive
This means that the interval is (-7, ∝)
Hence, the composite function (f - g)(x) is positive at the interval (-7, ∝)
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Answer the following word problem. A T-Rex skeleton has height of about. 12 ft., width of about 6 ft.,
and a length of about 40 ft. Can the museum director fit a fully built T-Rex skeleton display inside a
large case that is 5 yards high, 3 yards wide and 13 yards what is the case in feet?
Answer:
the fully built T-Rex skeleton display cannot fit inside the large case
Step-by-step explanation:
compare the dimensions of the skeleton to the dimensions of the case.
Given:
T-Rex skeleton dimensions:
Height = 12 ft.
Width = 6 ft.
Length = 40 ft.
Case dimensions:
Height = 5 yards
Width = 3 yards
Length = 13 yards
To compare the dimensions, we need to convert the case dimensions from yards to feet, as the T-Rex skeleton dimensions are given in feet.
1 yard = 3 feet
Case dimensions in feet:
Height = 5 yards * 3 feet/yard = 15 feet
Width = 3 yards * 3 feet/yard = 9 feet
Length = 13 yards * 3 feet/yard = 39 feet
Now we can compare the dimensions of the T-Rex skeleton and the case:
T-Rex skeleton:
Height = 12 ft.
Width = 6 ft.
Length = 40 ft.
Case:
Height = 15 ft.
Width = 9 ft.
Length = 39 ft.
Based on the dimensions, we can see that the height of the T-Rex skeleton (12 ft.) is smaller than the height of the case (15 ft.). Similarly, the width of the T-Rex skeleton (6 ft.) is smaller than the width of the case (9 ft.). However, the length of the T-Rex skeleton (40 ft.) is larger than the length of the case (39 ft.).
Therefore, the fully built T-Rex skeleton display cannot fit inside the large case because the length of the skeleton exceeds the length of the case.
y=3x-1 passes through (3,2)
The equation of the line passing through y = 3x-1 and (3,2) is y = 3x-7.
According to the question,
We have the following information:
y = 3x-1 and the point through which line is passing is (3,2)
We know that the slope of the given line (denoted by m) is 3.
Now, the following formula is used to find the equation of the line passing through a point:
y-y' = m(x-x')
In this case, we have x' = 3 and y' = 2.
y-2 = 3(x-3)
y-2 = 3x-9
Moving 2 from the left hand side to the right hand side will result in the change of the sign from minus to plus:
y = 3x-9+2
y = 3x-7
Hence, the equation of the line passing through y = 3x-1 and (3,2) is y = 3x-7.
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-4p > -60. p (>,<,=) (?) Select the inequality symbol and enter a value to represent the solution to the inequality.
The inequality is p < 15.
To solve this inequality, you can start by dividing both sides by -4. However, since you are dividing by a negative number, you need to flip the inequality sign.
So, you get:
p < 15
This means that any value of p that is less than 15 would satisfy the inequality. For example, if you plug in p = 10, you get:
-4(10) > -60
-40 > -60
which is true, so p = 10 is a valid solution to the inequality.
Answer
p < 15
In-depth explanation
To solve the inequality, we need to divide each side by -4 :
-4p > -60
p < 15 *
*I reversed the sign of the inequality, because I have divided both sides by a negative number. In inequalities, whenever each side is multiplied or divided by a negative, the inequality sign needs to be reversed.
Therefore, p < 15
What is cos 0 when sin 0= 2/3
Answer:
your answer is √7/3
Step-by-step explanation:
your answer is √7/3
Consider the line y = 7x-1.
What is the slope of a line parallel to this line?
What is the slope of a line perpendicular to this line?
Hi, there!
______
\(\begin{tabular}{c|1} \boldsymbol{Things \ to \ Consider} \\\cline{1-3} \end{tabular}\)
How are the slopes of parallel lines related to each other?How are the slopes of perpendicular lines related to each other?(1)
- The slopes of parallel lines are identical.
{The line \(\sf{y=7x-1}\) has a slope of 7}
Thus,
{The slope of the line that is parallel to the aforementioned line (whatever its equation happens to be) is \(\sf{7}\).}
(2)
- The slopes of perpendicular lines are negative inverses of each other.
The negative inverse of 7 is
\(-\dfrac{1}{7}\).
Therefore,
\(\textsc{Answers:\begin{cases} \bf{7} \\ \bf{-\dfrac{1}{7}} \end{cases}}\)
Hope the answer - and explanation - made sense,
happy studying!! \(\tiny\boldsymbol{Frozen \ melody}\)
Write the solution in interval notation.
Nineteen less than p is no less than 47.
The solution to interval notation or inequality "Nineteen less than p is no less than 47" is p ≥ 66.
What is an inequality?
In Algebra, an inequality is a mathematical statement that uses the inequality symbol to illustrate the relationship between two expressions. An inequality symbol has non-equal expressions on both sides. It indicates that the phrase on the left should be bigger or smaller than the expression on the right, or vice versa.
The interval notation is - Nineteen less than p is no less than 47.
The inequality expression is -
p - 19 ≥ 47
Solve the inequality -
p - 19 ≥ 47
p ≥ 47 + 19
p ≥ 66
Therefore, the solution to inequality is p ≥ 66.
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Bella guessed on the last three questions on her science test. If each question has five answer choices, what is the probability she got all three correct?
Answer:
Step-by-step explanation:
1/5³ = 1/125
The figure to the right shows the distance-time graph for a muscle car accelerating from a standstill. Use the information in the figure to answer parts (a) and (b). The table below lists the coordinates of the points.
The acceleration of the car is 8 m/s^2.
The figure shown in the question is the distance-time graph of a muscle car accelerating from a standstill. The table lists the coordinates of points on the graph.The following observations can be made from the graph and the table: The car is at rest at time t=0 and at distance x=0. It then starts accelerating, and its speed increases uniformly with time. The slope of the distance-time graph is the velocity of the car.
Since the velocity is increasing uniformly, the slope of the graph is a straight line with a positive slope. The area under the graph between two points gives the displacement of the car during that time interval. The displacement can be calculated as the product of the average velocity and the time interval. Using the coordinates in the table, we can calculate the average velocities for each time interval and the displacement during that interval.
(a) The average velocity of the car between t=0 and t=2 is equal to the slope of the graph between the two points (0,0) and (2,32). This can be calculated as the difference in distance divided by the difference in time:Average velocity = (32 - 0) / (2 - 0) = 16 m/sThe displacement during this time interval is given by the area under the graph between the two points:Displacement = (1/2) x 32 x 2 = 32 m
(b) The acceleration of the car is given by the slope of the velocity-time graph. Since the velocity is increasing uniformly with time, the velocity-time graph is also a straight line with a positive slope. The slope of the velocity-time graph is equal to the acceleration. We can calculate the slope of the velocity-time graph between two points using the coordinates in the table. For example, the slope between t=0 and t=2 is given by the difference in velocity divided by the difference in time:Slope = (16 - 0) / (2 - 0) = 8 m/s^2
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What is LCM? And what is the formula for that?
Answer:
LCM stands for Least Common Multiple
To calculate LCM you need to divide the no.s given by smallest divisor going to the greatest until the no.s can be divided no more
How much would you have to deposit today to accumulate the same amount of money that $75 monthly payments at a rate of 3.5% compounding monthly for 10 years in an annuity would
earn?
Round to 2 decimal places and do not include the $
symbol.
Answer:
To calculate how much you would have to deposit today to accumulate the same amount of money that $75 monthly payments at a rate of 3.5% compounding monthly for 10 years in an annuity would earn, we can use the formula for the present value of an annuity due:
PV = PMT × ((1 - (1 + r/n)^(-n×t)) / (r/n)) × (1 + r/n)
where:
- PV is the present value of the annuity due (the amount you would have to deposit today)
- PMT is the monthly payment ($75)
- r is the annual interest rate (3.5%)
- n is the number of times interest is compounded per year (12 for monthly compounding)
- t is the number of years (10)
PV = 75 × ((1 - (1 + 0.035/12)^(-12×10)) / (0.035/12)) × (1 + 0.035/12) = **$7,360.47**
Therefore, you would have to deposit **$7,360.47** today to accumulate the same amount of money that $75 monthly payments at a rate of 3.5% compounding monthly for 10 years in an annuity would earn.
A line is drawn so that it passes through the points (15,-3) and (17,5). What is the
slope of the line?
Answer:
m = 4
Step-by-step explanation:
We know that,
( 15 , -3 ) ⇒ ( x₁ , y₁ )
( 17 , 5 ) ⇒ ( x₂ , y₂ )
You have to use y = m x + c to find the equation of the line.
Here,
m = slope
c = y - intercept
Let find the slope now.
\(m = \frac{y_{1}-y_{2} }{x_{1}-x_{2} }\)
\(m=\frac{-3-5}{15-17}\)
\(m=\frac{-8}{-2}\)
\(m=4\)
Slope = 4
Hope this helps you.
Let me know if you have any other questions :-)
write an interval to describe the set of values.
The intervals are denoted as:
Closed intervals = [a, b]
This interval includes a and b.
Open intervals = (a, b)
This interval does not include a and b.
The interval that denotes the values between -4 and 3 on the given number line is [-4, 3].
What are intervals?
The intervals are numbers or values between two given point
The intervals are denoted as:
Closed intervals = [a, b]
This interval includes a and b.
Open intervals = (a, b)
This interval does not include a and b.
We have
A number line.
The set of values that is in the blue line is from -4 to 3.
This means that the blue line includes values from -4 to 3.
There are infinite numbers between -4 to 3.
The blue line denoted that the values -4 and 3 are also included.
The interval that denotes the values between -4 and 3 is:
= [-4, 3]
Thus,
The interval that denotes the values between -4 and 3 on the given number line is [-4, 3].
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Does the graph represent a function? Why or why not?
10-
-10
10
-10-
O A. No, because it fails the vertical line test.
B. No, because it fails the horizontal line test.
O C. Yes, because it passes the vertical line test.
O D. Yes, because it passes the horizontal line test.
Answer:
no because it fails the vertical line test
which is an equation of line L?
find the difference 41 - 275
Answer:
-234
Step-by-step explanation:
Subtracting 275 from 41 would equal -234.
The difference between 41 and 275 is -234.
To find the difference between 41 and 275, we perform subtraction.
Subtraction is the process of finding the difference between two numbers. In this case, we are subtracting 275 from 41, which means we want to find how much smaller 275 is compared to 41.
Let's set up the subtraction:
41
- 275
Starting from the rightmost column, we subtract 5 from 1. Since 5 is greater than 1, we borrow 1 from the tens column, making the ones column 11 - 5 = 6. Then, we move to the tens column and subtract 7 from 4, which is not possible without borrowing from the hundreds column. So, we borrow 1 from the hundreds column, making it 3 - 1 = 2. Now, we can subtract 7 from 12 in the tens column, which gives us 5. Finally, we subtract the 2 in the hundreds column from 2, resulting in 0.
The final result is 234, indicating that 275 is 234 units larger than 41. In other words, the difference between 41 and 275 is 234.
Subtraction is an essential arithmetic operation used in various real-life situations, such as calculating changes in quantities, measuring distances, determining differences between values, and more. Understanding subtraction helps us comprehend the relationships between numbers and enables us to solve a wide range of mathematical and practical problems.
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Don't have to explain just need to answer
The equation of line p is y=–4x+1. Line q is perpendicular to line p and passes through (–6,1). What is the equation of line q?
Write the equation in slope-intercept form. Write the numbers in the equation as simplified proper fractions, improper fractions, or integers.
The equation of the perpendicular line in slope-intercept form is y = 4x + 25
How to determine the line equation?The equation of line p given as
y = –4x + 1
Also, from the question
The point on line q is given as
Point = (-6, 1)
The equation of a line can be represented as
y = mx + c
Where
Slope = m
By comparing the equations, we have the following
m = -4
This means that the slope of y = –4x + 1 is -4
So, we have
m = 4
The slopes of perpendicular lines are opposite reciprocals
This means that the slope of the line q is 1/4
The equation of the perpendicular lines is then calculated as
y = m(x - x₁) +y₁
Where
m = 4
(x₁, y₁) = (-6, 1)
Substitute the known values in the above equation
So, we have the following equation
y = 4(x + 6) + 1
Evaluate
y = 4x + 24 + 1
Evaluate the sum
y = 4x + 25
Hence, the perpendicular line has an equation of y = 4x + 25
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from the given graph: state it's
a) amplitude
b) period
c) function of the graph:
Step-by-step explanation:
The amplitude is 2. Amplitude means height from the x-axis to the crest/trough.
The period is 2pi. It is from crest to crest (next crest) or trough to trough (next trough).
Note that crest are the highest points of a wave, and that troughs are the lowest points of a wave. (we are talking about transverse waves, but this is more of a physics thing).
Function of graph:
By playing around in a graphing calculator, I got the equation to be
2 (cos (x + pi/2)).
the 2 changes the amplitude, and the + pi/2 shifts the graph by pi/2 to the left.
Cliff takes out a $5,000 personal loan with 7
fixed annual interest compounded monthly to pay for his wedding. He repays the loan in 2 year.s
How much total interest does Cliff pay on his loan?
Cliff pays a total interest of approximately $679.90 on his $5,000 loan.
To calculate the total interest paid on the loan, we need to use the formula for compound interest:
\(A = P(1 + r/n)^{(nt)}\)
Where:
A is the final amount (loan amount + interest)
P is the principal (loan amount)
r is the annual interest rate (in decimal form)
n is the number of times interest is compounded per year
t is the number of years
Given that Cliff takes out a $5,000 loan with a fixed annual interest rate of 7% compounded monthly, we can substitute the values into the formula:
P = $5,000
r = 7% = 0.07
n = 12 (monthly compounding)
t = 2 years
\(A = 5000(1 + 0.07/12)^{(12 \times 2)\)
Calculating this expression:
A ≈ 5000\((1.00583)^{(24)\)
A ≈ 5000(1.13598)
A ≈ 5679.90
The final amount (A) is the loan amount plus the total interest paid. Therefore, to find the total interest paid, we subtract the principal (P) from the final amount (A):
Total Interest = A - P
Total Interest = 5679.90 - 5000
Total Interest ≈ $679.90
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#3 Preimage point B is
located at (5,-4).
B' is located at (20, -16).
Write the algebraic rule for
the transformation.
The algebraic rule for the transformation is B' = (Bx + 15, By - 12)
Given data ,
To determine the algebraic rule for the transformation from point B to point B', we need to find the equations that relate the coordinates of the preimage point B to the image point B'.
Let's denote the translation amounts in the x-direction and y-direction as (dx, dy). The coordinates of B' can be obtained by adding these translation amounts to the coordinates of B:
B' = (Bx + dx, By + dy)
Given that B is located at (5, -4) and B' is located at (20, -16), we can calculate the translation amounts:
dx = 20 - 5 = 15
dy = -16 - (-4) = -12
Hence , the algebraic rule for the transformation is B' = (Bx + 15, By - 12)
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Divide. Write the quotient in lowest terms.
Answer:
15/32
Step-by-step explanation:
5/8 divided by 1 1/3
5/8 divided by 4/3
5/8 x 3/4
= 15/32
Answer:
\(\frac{15}{32\\}\)
Step-by-step explanation:
\(\frac{5}{8}\) ÷ \(\frac{4}{3}=\)
\(\frac{5}{8}*\frac{3}{4}=\)
\(=\frac{15}{32}\)
Hope this helps
You can use these steps to work out the amount of income tax you pay each month.
Work out
monthly salary - 987.5
Work out
answer to Step 1 +5
Step 1
Step 2
Cho has a salary of £24 000 per year.
Helen has a salary of £1720 per month.
How much more income tax does Cho pay than Helen each month?
The amount more in income tax that Cho pays than Helen each month would be £56.
How to find the income tax ?First, find Helen's yearly salary :
= 1, 720 x 12
= £ 20, 640
Both Cho's and Helen's annual salaries fall within the Basic rate tax bracket.
Cho 's monthly tax would be:
= (( 24, 000 - 12, 570 ) x 20 % ) / 12
= £ 190. 50
Helen's monthly tax :
= (( 20, 640 - 12, 570 ) x 20 % ) / 12
= £ 134.50
The difference is therefore :
= 190. 50 - 134.50
= £56
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Please gimme the variables to define the sytem and 2 system of equations
Answer:
\(8.5x+4y=99.5,\ x+y=17\)
Step-by-step explanation:
\(\mathrm{System\ of\ equations:}\\8.5x+4y=99.5\\x+y=17\\\mathrm{where,}\ x\ \mathrm{is\ the\ number\ of\ popcorns\ and\ }y\mathrm{\is\ the\ number\ of\ candies}\)