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Tresset [83]
2 years ago
14

Find the surface area of the square pyramid. 70 ft² 59.5 ft2 91 A² 42 ft²

Mathematics
1 answer:
iren [92.7K]2 years ago
6 0

Answer:

Delta Ft = 70*3 - 42*7 = 168 #$

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As an estimation We are told 5 miles is 8 km convert 27. 5 miles to km​
OverLord2011 [107]

Answer:

approx. 44 km

Step-by-step explanation:

We are given that :

5 miles ------> 8 km

we divide both sides by 5 to get the unit rate:

1 miles ------>  8/5 km

Therefore:

27.5 miles -----> 27.5 miles x (8/5) = 44 km

5 0
3 years ago
A sealed tank of water measures 10cm x 8 cm x 40cm. When it stands on one
Pavel [41]

Answer:

New height = 6

Step-by-step explanation:

The water is going to be the same volume no matter how the tank is orientated.

So you can do this 2 ways.

First way

Find the volume in the tank when the water goes up 24 cm on the height.

V = L*W*h

L = 8

W = 10

H = 24

V = 1920 cm^3

Now do it using the

L = 40

W = 8

h = ?

1920 = L * W * h

1920 = 40 * 8 * h

1920 = 320 * h

h * 320 = 1920

h = 1920/320

h = 6

Or you can do it without finding the 1920

L*W*h = L1 * w1 * h1

8*10*24 = 40 * 8 * h                                The 8's cancel

10*24 = 40*h                                           Divide both sides by 10

24 = 4h                                                    Divide by 4

h = 6

Same as you got before.

7 0
3 years ago
Lea and Marie are washing all the windows in their house. It would take Lea 80 minutes to wash the windows by herself, and it wo
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Use the slope formula and slope-intercept form
y=mx+b
to find the equation.
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Hope this helps
3 0
3 years ago
The population of Anytown is 8000. It is predicted to increase by 5% in one year. What is the predicted population after one yea
solmaris [256]
800 is what I think
8 0
3 years ago
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