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krek1111 [17]
3 years ago
10

The radius of this ball is 15 inches. Which equation gives the ball's surface area, in square inches?

Mathematics
2 answers:
lilavasa [31]3 years ago
8 0

Best to look up the formula for the surface area of a sphere and then find it:

A = 4πr^2, where r is the radius of the sphere.  Then,

A = 4π(15 in)^2 = 4(3.14)(225 in^2) =  2826 in^2 (answer)

This is represented by the formula given in the lower left.

Reil [10]3 years ago
3 0

Answer:

225 Square inches

Step-by-step explanation:

Bottom left

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A student simplified the expression 6^2/12^2 as 1/2 do you agree
maria [59]

Answer:

No.

Step-by-step explanation:

6^2=36

12^2=144

36/144 simplified is 1/4

6 0
3 years ago
Find the value of x. Write your answer in simplest form.<br> (82<br> The value of x is
xxMikexx [17]

9514 1404 393

Answer:

  x = 8

Step-by-step explanation:

In an isosceles right triangle, the side length ratios are ...

  1 : 1 : √2 = x : x : 8√2

The latter ratios will match the first ratios when x=8.

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That is, x = (8√2)/(√2) = 8.

8 0
3 years ago
Carly wants to add texting to her cell phone plan. She has two choices in texting packages. The TURKEY plan charges $.15 per tex
Usimov [2.4K]

Let x be the number of texts (amount of texts) Carly does in a month.

Let y be the "total" amount Carly will have to pay in a month.

Then, as per the TURKEY plan, Carly's monthly total cost will be represented by the equation as shown: y=0.15x+20

As we can clearly see in the above equation even if Carly does not text a single message (when x=0), even then they will have to pay $20 for that month.

For the GOBBLE plan, the equation will be: y=0.2x.

In this plan as there is no fixed charge, Carly wont have to pay anything extra if they dont make a call.


5 0
3 years ago
What is the range for the scores: 13, 23, 60, 46, 53, 75.
vova2212 [387]
Hello there.

Question: <span>What is the range for the scores: 13, 23, 60, 46, 53, 75.

Answer: Range is the largest value minus the smallest answer:
75 - 13 = 62.
The range is 62.

Hope This Helps You!
Good Luck Studying ^-^</span>
6 0
3 years ago
Jada Elena and Lin walked a total of 37 miles last week. jada walked 4 more miles that elena, and Lin walked 2 more miles than j
MA_775_DIABLO [31]

Answer:

Jada walked 13\ miles

Elena walked 9\ miles

Lin walked 15\ miles

Step-by-step explanation:

Let

x----> total miles walked by Jada

y----> total miles walked by Elena

z----> total miles walked by Lin

we know that

x+y+z=37 -----> equation A

x=y+4 -----> y=x-4 ------> equation B

z=x+2 ------> equation C

Substitute equation C and equation B in equation A and solve for x

x+(x-4)+(x+2)=37

3x=37+2

3x=39

x=13\ mi

Find the value of y

y=13-4=9\ mi

Find the value of z

z=13+2=15\ mi

therefore

Jada walked 13\ miles

Elena walked 9\ miles

Lin walked 15\ miles

3 0
3 years ago
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