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maks197457 [2]
4 years ago
7

The formula a=6s^2 will calculate the surface area of a cube. suppose you have a cube that has a surface area of 216 square inch

es. what is the length of each side?
Mathematics
1 answer:
lawyer [7]4 years ago
4 0
216 = 6s^2

can be solved in the following manner.

216/6=s^2
36 = s^2
sqrt(36) = s

flip for better overview

s = 6

the length of each side is 6 inches. :)
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Each time Kristine gets paid, she spends $20 and saves the rest. If the amount Kristine earns is represented by x and the amount
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Answer:

A graph titled Kristine's Savings has money earned on the x-axis and money saved on the y-axis. A line goes through points (20, 0) and (25, 5).

Step-by-step explanation:

If Kristine spends $20 and saves the rest when she gets paid, the amount she saves should always be 20 less than the amount she earned.

The points (20, 0) and (25, 5) accurately represent this, where x is how much she earns and y is how much she saves.

(20, 0) represents her earning $20 and saving $0, because she spends $20 every time she gets paid.

(25, 5) represents her earning $25 and saving $5, because she spent $20.

So, the correct graph is A graph titled Kristine's Savings has money earned on the x-axis and money saved on the y-axis. A line goes through points (20, 0) and (25, 5).

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3 years ago
Whats the inverse function of d(t)=70t
Charra [1.4K]

Answer:

d^-1(t)=t/70

Step-by-step explanation:

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solve plss: Jorge measured his heart rate after jogging. He counted 11 beats during 6-second interval. What is the unit rate of
pishuonlain [190]

Answer:

110

Step-by-step explanation:

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In a minute there are 60 seconds.

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I hope I could help you!

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Manny takes 36 pics with his new phone every hour and Colby takes 12 pics with his new phone every hour. Write an expression tha
Afina-wow [57]

Answer:

48h

Step-by-step explanation:

Manny's amount of pictures will be represented by 36h, since he takes 36 every hour.

Colby's amount will be represented by 12h, since he takes 12 per hour.

Add these two together to get an expression:

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krek1111 [17]

a. The lightbulb uses the energy of 960 W or 9.60 kW.

Step-by-step explanation:

Step 1:

To determine the energy used by the appliances we need to understand the equation

power = \frac{energy}{time} .

To determine the energy used, we multiply the power of the appliance with the amount of time it has been used for.

Step 2:

The lightbulb has a power of 60 W and is used for a period of 16 hours.

The energy used by the lightbulb = 60(16) = 960 W = 0.96 kW.

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The energy used by the toaster oven = 1,500(0.75) = 1,125 W = 1.125 kW.

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