Mathematics Middle School

Find the volume of the sphere.
Either enter an exact answer in terms of it or use 3.14 for T.

Answers

Answer 1

the formula is 4/3πr^3

4/3 (3.14)(3)^3

answer: 113.09

Answer 2

The answer is 113.09.

Related Questions

Please also explain to me what favorable outcomes are

Answers

Answer:

Purple,Red and blue

Step-by-step explanation:

favorable outcomes are favorite colors

Write the point-slope equation of the line that goes through (4, 6) with a slope of –4.
im lazy ._.

Answers

I don’t know if this is right but this is what they put

Write the point-slope equation of the line that goes through (4, 6) with a slope of 4.im lazy ._.

To find out what the equation would be, wrote the equation y-y1=m(x-x1).

Plug in the x and y coordinates and you should end up with y-6=-4(x-4)

which solution can be used to fill in both blanks in the table

Answers

Answer:

(5, 2)

Step-by-step explanation:

As 8x = 40

x = 40÷8

x = 5

This is the first solution

Then 4x + 4y = 28

We know that x = 5 as above

So let's substitute it:

4x + 4y = 28

(4 × 5) + 4y = 28

20 + 4y = 28

Let's get the 20 to other side

20 - 20 + 4y = 28 - 20

4y = 8

y = 8 ÷ 4

y = 2

Hence we get these two solutions

(5,2)

:-)

question : ill mark brainlist

3. The ______ projection shows the size and shape of continents accurately but distorts water areas.

A. Conic

B. Mercator

C. Robinson

D. Interrupted

Answers

The correct answer is A. Conic projection.

A conic projection is a type of map projection created by projecting the surface of a globe onto a cone. The cone is then unrolled and flattened to create a two-dimensional map. Conic projections are best for mapping small areas, such as individual countries or states. They are also good for mapping areas that are located near the equator.

Conic projections show the size and shape of continents accurately, but they distort water areas. This is because the cone is tangent to the globe at one point, and the further away from that point you get, the more distortion there is.

Mercator projection is a cylindrical map projection presented by Flemish geographer and cartographer Gerardus Mercator in 1569. It became the standard map projection for navigation because it is unique in representing north as up and south as down everywhere while preserving local directions and shapes. The map is thereby conformal. As a side effect, the Mercator projection inflates the size of objects away from the equator. This inflation is very small near the equator but accelerates with increasing latitude to become infinite at the poles.

Robinson projection is a map projection presented by American cartographer Arthur H. Robinson in 1963. It is a compromise projection that attempts to balance the distortions of area, shape, and distance. The Robinson projection is neither conformal nor equal-area, but it is pseudocylindrical, which means that the meridians are straight lines and the parallels are circles.

Interrupted projection is a type of map projection that is interrupted at regular intervals. This is done to reduce the distortion of the map. The most common type of interrupted projection is the Mercator projection, which is interrupted at the equator and the prime meridian

The answer is B mercator hope it helps :)

Help help help help pls!

Answers

6/25 is your answer because you just add them up and take the 6

Option 2 is the correct answer! :)))

A group of 24 students spent 1,296 minutes studying for an upcoming test. What prediction can you make about the time it will take 150 students to study for the test?

It will take them 174 minutes.
It will take them 2,592 minutes.
It will take them 8,100 minutes.
It will take them 8,745 minutes.

Answers

Answer:

It will take them 8,100 minutes.

Step-by-step explanation:

If it takes a group of 24 students 1,296 minutes to study for an upcoming test, it takes 54 minutes for each student. (=> 1,296/24 = 54)

150 x 54 minutes = 8,100 minutes.

It will take them 8,100 minutes.

8,100 Minutes just had the same question

Some students recorded how many minutes they spent on the phone in one day. They put the results in a Stem-and-Leaf Plot.

What is the mean number of minutes spent on the phone?

Answers

Answer: 31

Explanation:

The data from the stem-and-leaf plot is:

10,

24,25,26,

30,30,32,33,

40,45,46

Add up those values

10+24+25+26+30+30+32+33+40+45+46 = 341

Then divide over n = 11 which is the sample size.

341/11 = 31 is the arithmetic mean.

Answer:

341/11 = 31 is the arithmetic mean.

Step-by-step explanation:

I need help pls asap Answer of options are
A. Function 1
B. Function 2
C. The functions have the same slope.

Answers

C.Functions have the same slope

The function has the same slope

The stem-and-leaf plot displays data collected on the size of 15 classes at two different schools.

Mountain View School Seaside School
0 5, 8
9, 8, 2, 0 1 0, 1, 2, 5, 6, 8
8, 7, 6, 5, 5, 4, 4, 3, 1, 0 2 5, 5, 7, 7, 8
0 3 0, 6
Key: 2 | 1 | 0 means 12 for Mountain View and 10 for Seaside

Part A: Calculate the measures of center. Show all work. (2 points)

Part B: Calculate the measures of variability. Show all work. (1 point)

Part C: If you are interested in a smaller class size, which school is a better choice for you? Explain your reasoning. (1 point)

Answers

To calculate the measures of center, we need to find the mean and median for each school.

For Mountain View School:
Data: 0, 0, 0, 0, 1, 2, 3, 4, 4, 5, 5, 5, 5, 6, 7, 8, 8, 8, 9
Mean: (0 + 0 + 0 + 0 + 1 + 2 + 3 + 4 + 4 + 5 + 5 + 5 + 5 + 6 + 7 + 8 + 8 + 8 + 9) / 19
= 100 / 19
≈ 5.26

To find the median, we need to arrange the data in ascending order: 0, 0, 0, 0, 1, 2, 3, 4, 4, 5, 5, 5, 5, 6, 7, 8, 8, 8, 9.
The median is the middle value, which is the 10th value in this case.
Median: 5

For Seaside School:
Data: 0, 0, 0, 1, 1, 2, 2, 4, 5, 5, 5, 5, 6, 7, 7, 8, 8, 8, 9
Mean: (0 + 0 + 0 + 1 + 1 + 2 + 2 + 4 + 5 + 5 + 5 + 5 + 6 + 7 + 7 + 8 + 8 + 8 + 9) / 19
= 80 / 19
≈ 4.21

To find the median, we need to arrange the data in ascending order: 0, 0, 0, 1, 1, 2, 2, 4, 5, 5, 5, 5, 6, 7, 7, 8, 8, 8, 9.
The median is the middle value, which is the 10th value in this case.
Median: 5

Now let's calculate the measures of variability, specifically the range and interquartile range (IQR).

Range: The range is the difference between the largest and smallest values in the dataset.

For Mountain View School:
Range: 9 - 0 = 9

For Seaside School:
Range: 9 - 0 = 9

Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1) and measures the spread of the middle 50% of the data.

For Mountain View School:
Q1 = 3
Q3 = 7
IQR = Q3 - Q1 = 7 - 3 = 4

For Seaside School:
Q1 = 2
Q3 = 7
IQR = Q3 - Q1 = 7 - 2 = 5

To determine which school is a better choice for a smaller class size, we can consider both the mean and the median.

Both the mean and median for Mountain View School are higher than those for Seaside School. This suggests that, on average, the class sizes at Mountain View School are larger than those at Seaside School. Therefore, if you are interested in a smaller class size, Seaside School would be a better choice

Part A:

For Mountain View School:
- Median: The median class size is the middle value, which is 25.
- Mean: The mean class size is the sum of all the class sizes divided by the total number of classes, which is (29 + 28 + 28 + 27 + 25 + 24 + 24 + 23 + 21 + 20 + 19 + 18 + 15 + 13 + 10) / 15 = 21.27.

For Seaside School:
- Median: The median class size is the middle value, which is 20.
- Mean: The mean class size is the sum of all the class sizes divided by the total number of classes, which is (25 + 25 + 27 + 27 + 28 + 28 + 28 + 30 + 31 + 35 + 36 + 38 + 40 + 43 + 45) / 15 = 31.13.

Part B:

For Mountain View School:
- Range: The range is the difference between the largest and smallest values, which is 29 - 10 = 19.
- Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1). From the stem-and-leaf plot, we can see that Q1 is 20 and Q3 is 28. Therefore, the IQR is 28 - 20 = 8.

For Seaside School:
- Range: The range is the difference between the largest and smallest values, which is 45 - 25 = 20.
- Interquartile Range (IQR): The IQR is the difference between the third quartile (Q3) and the first quartile (Q1). From the stem-and-leaf plot, we can see that Q1 is 27 and Q3 is 38. Therefore, the IQR is 38 - 27 = 11.

Part C:

If you are interested in a smaller class size, Mountain View School is a better choice for you because it has a lower mean and median class size than Seaside School.

Correct answers only!

After conducting a survey of all her classmates Midge discovers that the amount of money everyone spends buying books each month has a mean of $30. What does the mean say about the amount of classmates spend on books?

Half of her classmates spent exactly $30 per month buying books.

Half of your classmates spent more than $30 per month buying books.

The majority of her classmates spent $30 per month buying books.

If the amount spent on books per month by all her the classmates is leveled, the amount will be $30.

Answers

Answer:

C: The majority of her classmates spent $30 per month buying books.

Step-by-step explanation:

The mean is the average of the numbers -> its C

Answer:

Step-by-step explanation:

Match the following vocabulary words to their definitions.

1 the position of a digit in a number, which determines its value. place value

2.a metric unit of capacity. meter

3.number formed by raising ten to a power. mass

4.measurement of the pull of gravity on an object. liter

5.amount of matter in a body or object. metric system

6.the result of dividing two numbers. number line

7.a system of measurement based on the number ten. weight

8.a metric unit of length. power of ten

9.a line that graphically represents all numbers. quotient

Answers

Answer:

1: place value

2: liter

3: power of 10

5: mass

6: quotient

7: metric system

8: meter

9: the number line

im pretty sure this is correct :) use your brain :)

how do I find out if it's adding, subtracting, or multiplying in these types of questions

Answers

Answer:

To find out if you are adding, subtracting, or multiplying, the thing you need to think of is how to isolate x and make x by itself. Therefore, A will be subtracting, B will be subtracting, C will be adding, and D will be dividing.

Step-by-step explanation:

If this helped please mark this answer as brainliest

Kayleen buys one 3 -pound bag of cat food. Her cat eats about 34 of a pound every week. How many weeks does one bag last?

Answers

if you mean 3/4 of a pound then each bag would last about 4 weeks

The answer is 3 weeks

question yes help ples yes

Answers

Answer:

30%

Step-by-step explanation:

Percentage- 9/30×100%

=30%

Step-by-step explanation:

There were 9 sunny days out of 30 days in September

% of sunny days in September= 9/30× 100

= 30%

Which point represents the opposite of 0 on the number line?
A) -5
B) -2
C) 0
D) 2
E) 7

Answers

Answer:

C) 0

Step-by-step explanation:

The opposite of 0 is 0.

The answer is zero simply because zero doesn’t have a value so that would make the absolute of zero, zero. Hope this helps!

A cylindrical tube of length 27.75 cm and radius 2.00 cm is filled with argon gas. The empty tube weighs 188.25 g. The tube filled with argon weighs 188.87 g. Calculate the density.

formula =

$V = \pi r^2h$

Answers

Step-by-step explanation:

V= π(2)^2(27.75)

= 348.72cm^3

D=188.87g/348.72cm^3

= 0.54g/cm^3

Extra Points! Please Help!
And Explain too. (Or will be deleted)

Answers

Step-by-step explanation:

The lateral surface area is the area of the sides, not including the top and bottom.

Assuming the 3×6 rectangles are the top and bottom, the lateral surface area is:

LA = 2×3 + 2×3 + 2×6 + 2×6

LA = 6 + 6 + 12 + 12

LA = 36

The total surface area is the lateral surface area plus the area of the top and bottom.

SA = 36 + 3×6 + 3×6

SA = 36 + 18 + 18

SA = 72

SA is equal to 72!!!!

Aubrey is making bead kits. Each one contains 20 red beads and 15 gold beads. Part A Drag numbers to complete the table to show how many red beads and gold beads are in different numbers of bead kits. Numbers may be used once, more than once, or not at all. 15 added to 75 80 35 15 40 100 30 60 Kits Red Beads Gold Beads 1 20 15 2 3 45 4 5 Part B Use the drop-down menus to complete the rule for each bead color. Red: Add . Gold: Add . Part C Choose all the ordered pairs that represent the number of red beads and gold beads in kits. A. (20,15) B. (20,40) C. (30,45) D. (80,60) E. (100,75) Part D Which of the following graphs shows the relationship between the number of red beads and gold beads in kits? A. A graph named “Bead Kits” on a coordinate plane with “Number of Red Beads” on x-axis and “Number of Gold Beads” on y-axis is shown. The diagonal line is going up and to the right. The line passes through the points (0, 0), (15, 20), (30, 40) and (45, 60). B. A graph named “Bead Kits” on a coordinate plane with “Number of Red Beads” on x-axis and “Number of Gold Beads” on y-axis is shown. The diagonal line is going up and to the right. The line passes through the points (0, 0), (30, 20), (45, 30), (60, 40), (75, 50) and (90, 60). C. A graph named “Bead Kits” on a coordinate plane with “Number of Red Beads” on x-axis and “Number of Gold Beads” on y-axis is shown. The diagonal line is going up and to the right. The line passes through the points (10, 0), (20, 10), (40, 30) and (60, 50). D. A graph named “Bead Kits” on a coordinate plane with “Number of Red Beads” on x-axis and “Number of Gold Beads” on y-axis is shown. The diagonal line is going up and to the right. The line passes through the points (0, 0), (20, 15), (40, 30), (60, 45) and (80, 60). Part E What would the ordered pair (60,45) represent? Use the drop-down menus to show your answer. When there are 60 beads in kits, there will be 45

Answers

Answer:I’m not reading all that

Step-by-step explanation:

Find the volume of a prism. Show your work.

Answers

Answer:

Step-by-step explanation:

11 times 22

the area of its cross-section multiplied by the length

answer: 242cm squared

The answer is 242 CM squared. The answer above explains better than I can :)

How can I find the cube root of 64?

Answers

Answer:

Step-by-step explanation:

The cube root of 64 is the number which when multiplied by itself three times gives the product as 64. Since 64 can be expressed as 2 × 2 × 2 × 2 × 2 × 2. Therefore, the cube root of 64 = ∛(2 × 2 × 2 × 2 × 2 × 2) = 4.

The cube root of 64 is 4.

Before solving the question, let's understand the concept of cube root.

The cube root of a number is the value obtained by multiplying it by itself three times or thrice. When we multiply 3 by itself three times, we get 3 x 3 x 3 = 27 = 3³, so the cube root of 27 is 3. Thus, we can say that the cube root gives a value that is basically cubed.

The cube root is denoted by ∛

Now, we will find the cube root of 64.

Firstly, we have to find factor 64.

64 = 2 × 2 × 2 × 2 × 2 × 2.

64 = ∛4³

64 = 4

Therefore, the cube root of 64 is 4.

To know more about cube root:

https://brainly.com/question/12105008

Jackson bought 3 pounds of candy for $9.60.
What was the price of this candy in dollars per pound?

Answers

Answer:

320 cents per pound

$3.20 per pound

Step-by-step explanation:

Divide dollars by pounds

$9.60/3 = $3.20 per pound

Since it asks for the price of candy in cents per pound, multipy 3.20 by 100.

3.20 x 100 = 320 cents

320 cents per pound.

Answer:

$3.2/pound

Step-by-step explanation:

9.60/3=3.20

A spinner with repeated colors numbered from 1 to 8 is shown. Sections 1 and 8 are purple. Sections 2 and 3 are yellow. Sections 4, 5, and 6 are blue. Section 7 is red.

Spinner divided evenly into eight sections with three colored blue, one red, two purple, and two yellow.

Determine the theoretical probability of the spinner not landing on red, P(not red).

0.125
0.250
0.675
0.875

Answers

Answer: 0.875

Step-by-step explanation:

there are 8 sections there are 7 of them that are not red so take the total of 8 sections and the number on sections that are not red in the form of a fraction as 7/8 which = 0.875 your welcome

Answer: D: 0.875

Step-by-step explanation:

in a three digit number, the hundreds digit is one more than the ones digit and the tens digit is twice the hundreds digit. If the sum of the digits is 11, find the number. If the hundreds digit of the number is x, the equation will be? 20 Points to solve and brainliest.

Answers

Answer:

I am not sure, but I think 362 is the answer

Step-by-step explanation:

hundred digit:x

tens digit:2x

ones digit:x-1

x+2x+x-1=11

4x=12

x=3

number=362

362 is the answer because i learned this yesterday

2(3x16)+25-96^2=?

A. -9095
B.-9055
C.-5789
D. 10236

Answers

Answer:

The answer will be A. -9095

The answer is A. -9095

Read the word pair.

nervous/worry

Which type of word relationship does this word pair represent?

cause and effect
part and whole
whole and part
item and category

Answers

Cause and Effect
This is because if you are nervous it could effect you to be worried

cause and effect because when you’re nervous or anxious you tend to worry a lot

what's the difference between a function and not a function

Answers

I hope it helps......:))

what's the difference between a function and not a function

something that isn’t a function has multiple outputs, something that is a function has 1 for each.

1 2 3 4
f(x) 6 9 14 21
Which function was used to make the pattern?
A. f(x) = 2x + 4
OB.
B. f(x) = x2 + 5
O c. f(x) = x + 5
D. f(x) = 2x2 + 4
(Does anyone know this??)

Answers

X^2+5 this is because 1^2+5=6 etc

Frank finds 9 coins on the floor of his car, and 3 of them are quarters. If he finds 15 more coins on the ground, at the same ratio as the coins found in the car, how many more coins will most likely be quarters?

Answers

5,
3 is 1/3 of 9, meaning the probability of picking up a quarter is 1/3, if he finds 15 more,
15/3 is 5.

5 coins should be quarters

Answer: 5 coins

Step-by-step explanation:

Frank found 9 coins on the floor of his car, and 3 of them were quarters. This means that 3 out of the 9 coins, or $\frac{3}{9}$, were quarters.

Simplifying this fraction, we get $\frac{1}{3}$ of the coins found in the car were quarters.

If Frank finds 15 more coins on the ground at the same ratio, then $\bold{\frac{1}{3}}$ of these coins will also be quarters. To find out how many quarters he will most likely find, we need to find $\bold{\frac{1}{3}}$ of 15:

$\large \frac{1}{3} \times 15 = 5$

Therefore, Frank will most likely find 5 more quarters on the ground, assuming he finds coins at the same ratio as he did in his car.

_______________________________________________________

The countries population in 1991 was 231 million . In 1999 it’s was 233 million. estimate the population in 2003 used The exponential growth formula. Round your answer to the nearest million

Answers

Answer:

The population in 2003 was 234 million

Step-by-step explanation:

In order to calculate the population in 2003 we would have to use the The exponential growth formula as follows:

p(y)=ir^t

According to the given data:

p(y)=233 million

i=231 million

t =1999-1991

Therefore, 233 million=231 million r^(1999-1991)

(233 million/231 million)^(1/8)=r

p(y)=231 million(233 million/231 million)^((y-1991)/8)

Therefore, in 2003 p(2003)=231 million(233 million/231 million)^((2003-1991)/8)

p(2003)=231 million(233 million/231 million)^(1.5)

p(2003)=234 million

The population in 2003 was 234 million

Please help me! im on an assignment an cant figure it out

Answers

Step-by-step explanation:

The difference beteen 9.2 ounces and 8.1 ounces is 1.1 ounces

and the difference in price is .49

so 1.1 ounces cost .49

$ .49 / 1.1 oz = $ .445 per ounce

Then Reid's bowl should cost 7.8 oz * $ .445 / oz = $3.47

7.78 I think I don’t remember

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Find the volume of the sphere. Either enter an exact answer in terms of it or use 3.14 for T.

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Find the volume of the sphere.
Either enter an exact answer in terms of it or use 3.14 for T.