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3 years ago

7

The perimeter of a rectangle is 48 inches. The length of the rectangle is 3 times the width of the rectangle. What is the area o

f the rectangle?

1 answer:

Lilit [14]3 years ago

8 0

Answer:

16

Step-by-step explanation:

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The hospital shop buys cereal bars in packs of 4. In one day they sell 58 cereal bars. How many packets did they open tht day?

Vikentia [17]

They opened 15 boxes. you can tell that this is the answer because 58÷4=14.5 and you can't open half a box so you round up to 15

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3 years ago

Let f(x)=81+3e−0.7x . What is the value of f(−1) ? Round the answer to the nearest hundredth. Enter your answer in the box.

horrorfan [7]

F(-1)=81+3e-.7(-1)

enter into scientific/ graphing calculator
f(-1)=89.85

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3 years ago

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What are the solutions of the following system x2+y2=25 , 2x+y=-5

tia_tia [17]

Y=5-2x
x^2 + (5-2x)^2 = 25

x^2 + 25-20x+4x^2 = 25

x^2 +4x^2-20x+25=25
5x^2 -20x=0

x=0 and y=5

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3 years ago

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Roberto can lift 103.5 pounds. That is .9 times the amount his friend Vance can lift. Can Vance lift more or less than 103.5 pou

lorasvet [3.4K]

Answer:

Step-by-step explanation:

Vance can lift 0.9×103.5 pounds.

0.9 < 1, so you know that

0.9×103.5 < 103.5

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3 years ago

Evaluate the radical.<br> (Look at the photo)<br> Enter your answer in the box.

faltersainse [42]

Answer:

3

Step-by-step explanation:

This is a cube root so think what times what times what is 27?

3 x 3 x 3 = 27 so the answer is 3

Same problem explained

https://www.mathsisfun.com/numbers/cube-root.html < in detail.

Very helpful website check it out

(It's not a random download link or whatever, look at my profile- i dont do that, its completely safe and legit.)

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