Mathematics Middle School

The volume of a cone is 62.8 cubic inches. The height of the cone is 15 inches. What is the radius of the cone, rounded to the nearest inch? Use π = 3.14.

2 inches
4 inches
8 inches
9 inches

Answers

Answer 1

Answer:

R = sqrt 3 * (V /( pi * h))

V = 62.8

pi = 3.14

h = 15

now we sub

R = sqrt 3 * (62.8 / (3.14 * 15)

R = sqrt 3 * (62.6 / 47.1)

R = sqrt 3 * 1.33

R = sqrt 3.99

R = 1.9 rounds to 2 inches <===

Step-by-step explanation:

Answer 2
i believe the answer is 2 inches

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Answer:

with what?

Step-by-step explanation:

Answer:

With what? no equation or question is shown

Step-by-step explanation:

Find the equation of the exponential function represented by the table below:
it has to be an equation with y=

Answers

Answer:

all them are multiplied by 0.50. 0.50x0.50= 0.25 and then 0.25x0.50= 0.125. y= X• 0.50

Y= -0.5x+1 because we first have to find the slope then plug in a coordinate to fill in our y and x value which leaves us with the answer

Simplify the expressions by combining like terms

-1r + 6 + 8r - 14

Answers

Answer:

7r - 8

Step-by-step explanation:

Combine like terms (terms with the same variable, as well as same amount of said variable):

8r - 1r + 6 - 14

(8r - 1r) = 7r

(6 - 14) = -8

7r - 8 is your answer.

~

Answer:

7r-8

Step-by-step explanation:

-1+8r+6-14

8r-1r-14+6

7r-8

Ms. Malia bought a laptop with a 10% discount. She also bought a mouse for $13.99 and spent a total of $621.49 before taxes. Write an equation to find the original cost of the laptop, x

i don't need the cost of x i just need a equation with x as the answer

Answers

Answer:

(621.49 x  0.1) + 13.99 = x

Step-by-step explanation:

Hope this helps.

help please i dont know what this is

Answers

Answer:

1mm, 1cm, 1m, 1km

Step-by-step explanation:

mm= millimeter

cm= centimeter

m= meter

km= kilometer

Hope it helped! :)

Answer:

here is what each one means

mm= millimeter

cm= centimeter

m= meter

km= kilometer

Step-by-step explanation:

If we look at how long each one is, we can see that on of them is the longest, and one is the shortest. Figure out the lengths of each one and then put them in order from smallest to largest :)

what is 4/6 , -9/10, 3/4 , 0.8 , 1/2 in order from least to greatest?

Answers

Answer:

−9/10,1/2,4/6,3/4,0.8

Step-by-step explanation:

Answer:

-9/10 1/2 4/6 3/4 0.8

Step-by-step explanation:

*TEN POINTS* Ms. Kramer sells memberships for her company. Each day, she earns a base income and a percentage of the cost of each membership she sells. The expression 0.15(75.50m)+160 represents the amount of money, in dollars, Ms. Kramer earns in one day from selling m memberships?

Answers

Answer:

C

Step-by-step explanation:

Please help me with this thing

Answers

Answer:

!?!?!?!?!?!?

Step-by-step explanation:

i dont see any thing

Please help guys! I haven't gotten a real response and need this soon!! Tysm <3

Ryan has some bananas. The amount of bananas she has two more than twice the amount of apples she has. If she has 29 bananas and apples total, how many of each does she have?

Answers

Step-by-step explanation:

That means she has 84 apples

I WILL MAYBE GIVE BRAINLIEST IF CORRECT PLS ANSWER

[tex]\sqrt{49 } =[/tex]

a. 9
b. 14
c. 8
d. 7

Answers

Answer:

The answer is d

Step-by-step explanation:

cause 7 x 7 is 49

Answer for your question: D. 7
7 * 7 = 49

uhm helppp??????? :p

Answers

Answer:

Estimating the difference of fractions and mixed numbers is similar to estimating sums. Round each fraction or mixed number and then subtract to find the estimate.

Step-by-step explanation:

help meeeeee plssssssssss

Answers

Answer:

multiply all sides

Step-by-step explanation:

9.07 gotta multiply all sidees

How many groups of 3/4 are in each of the following quantities? 11/4
answer as a fraction. ASAP

Answers

Answer:

There are 3 2/3 groups of 3/4 in 11/4

can you help me plsssssssssss

Answers

Answer:

a

Step-by-step explanation:

Answer:

B and D

Step-by-step explanation:

mean=75

mode=20

median= 20

PLZ HELP! What is the total surface area of this rectangular prism in square centimeters? Choices are:

A: 375 cm2

B: 525 cm2

C:675 cm2

D: 1,125 cm2

Answers

The answer is 675cm squared (C)

Answer:

Step-by-step explanation:

Surface area of a rectangular prism is

A=2(xy+xz+yz) where x,y,z are its dimensions so

A=2(15(10)+15(7.5)+10(7.5)

A=2(150+112.5+75)

A=2(337.5)

A=675cm^2

At a wildlife preserve,
13of the total number of animals are birds. There are 14 birds. Write and solve an equation to find the total number of animals a.
plz answer i beg i will give brianlist

Answers

Answer:

you have to add the numbers . when ever there is a total that means to add

Step-by-step explanation:

13+14=27

14/.13=107 animals

Assuming you meant 13%

Please help, answer asap

Answers

I needed help with that too

Answer:

y ≥ -4

Step-by-step explanation:

12=2+2

d = 5

d = -5

d = 14

d = -14

Answers

Answer:

what is the question that you are asking

PLS PLSK HELP I ALWAYS GIVE BRAINLIEST!!!!!!!!

Answers

Answer:

D i think

Step-by-step explanation:

I can help too I think it’s d too

can you help me plsssssssssssss

Answers

the answer is C i think

Find the slope of the line that passes through (2, -20) and (1, -20) ​

Answers

slope is 0 i think since they are both on -20

What property is shown 8 + (1 + 7) = (8+ 1) + 7

Answers

Answer:

The associative property!!!!!!!

Step-by-step explanation:

Answer: The associative property

Step-by-step explanation:

According to the associative property of addition, the sum of three or more numbers remains the same regardless of how the numbers are grouped.

7th grade math pls help

Answers

Answer:

77

Step-by-step explanation:

308 divided by 4=77

4 sides

Help please you smart people

Answers

Answer:

She can buy 4 sets of earrings.

Step-by-step explanation:

Hi again,

We know that she wants to spend less than $25 and she already spent $9.50 on a necklace, we also know that each pair of earrings costs $3.50 so we can write an inequality...

9.5 + 3.5x < 25

( 9.5 is how much she already spent, 3.5 is the cost for every earring set,  and we put a < because she wants to spend LESS than 25 not 25 or greater)

Now, solve...

9.5 + 3.5x < 25

Subtract 9.5 on both sides...

3.5x < 15.5

Divide by 3.5 on both sides...

x < 4. 43

You can't buy 4.43 sets of earrings, so the answer is simply 4. She can buy 4 sets of earrings.

Hope this helps and let me know if you need anything.

:)

4 sets of earrings

HELP PLS WITH BOTH SCREEN SHOTS THANKS I NEED IT ASAP ILL GIVE BRAINLIEST THANKS

Answers

1) -12
2) 11
3) -14
4) 10
5) -99
6) -39
7) 42
8) -21
9) -9
10) -32

Gasoline in Mexico is measured in liters. One gallon is equal to 3.785 liters.


How many liters would it take to fill a 19-gallon tank? Round your answer to the nearest thousandth.

Answers

Answer:

71.915

Step-by-step explanation:

71.915 is the answer

Help me thanks
Xxxxxxxxx

Answers

Answer:

The answer is C.

Step-by-step explanation:

the answer is c.....,,,

Help plz you Smart people

Answers

Answer:

y < -1.2

Step-by-step explanation:

Hii,

4/3 < -8/3 y

To get y by itself, you need to divide by -8/3 on both sides...

4/3 divided by -8/3 is the same thing as...

4/3 x -3/8

(when dividing fractions, simply flip the second fraction and multiply straight across)

After that, you get -12/24 which is the same thing as -1/2.

Since you divided by a negative, the inequality sign flips.

So...

-1/2 < y

is...

y < -1/2

Hope this helps!

Evaluate the expression (18+7)+53−9.
and please hurry up and answer this pleaseeeeeeeeeeee, im taking a test and need fast response

Answers

Answer:

69

Step-by-step explanation:

do you need the explanation

Need help plz its on the screenshot

Answers

the answers are a and c
A and C i believe, because it’s for sure not B
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