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elena-s [515]
4 years ago
15

This image shows a square pyramid.

Mathematics
2 answers:
AURORKA [14]4 years ago
5 0

Answer:

128

Step-by-step explanation:

I just took the test and I can confirm that this answer is correct! :D

Lynna [10]4 years ago
3 0
We know that

[Surface area ]=[the area of  4 triangles]+[the area of square base]
[the area of square base]=8*8--------> 64 ft²

[the area of 1 triangle]=(1/2)*b*h
b=8 ft
How the angle is 45°------->  h=b/2-------> h=4 ft
then
[the area of 1 triangle]=(1/2)*8*4------> 16 ft²
and 
[the area of 4 triangles]=4*16--------> 64 ft²

[Surface area ]=[64 ft²]+[64 ft²]----------> 128 ft²

the answer is 128 ft²
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I need help to find the measures and equation pls.
siniylev [52]

Answer:

Equation: 7x + 8x = 180

x = 12

∠CBA = 84

∠CFH = 96

Step-by-step explanation:

We can see that ∠CBA = ∠CFE and ∠CBD = ∠CFH.

We know that the sums of two angles on a straight line are going to be equal to 180.

∠CBA = 7x

∠CFH = 8x

To find the value of x, we must do the following:

7x + 8x = 180

15x = 180

15x/15 = 180/15

x = 12

Now we just substitute to find the angle measures:

∠CBA = 7 · 12 = 84

∠ CFH = 8 · 12 = 96

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2 years ago
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Step-by-step explanation:


5 0
3 years ago
The table shows the party affiliation of a 100 senators 109th congress the ratio of Republicans to Democrats 5:4 how many senato
nadya68 [22]

Answer:

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Step-by-step explanation:

if there are 55 Republicans

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your question was worded weirdly so I tried my best

hope it helps :)

4 0
3 years ago
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Need help!! I don’t know the answer in red. It's not 2.
jolli1 [7]

Answer: a=-8 and b=-2

Step-by-step explanation:

What is simple form of \sqrt[3]{x^{10} }

=  \sqrt[3]{(x^{9})(x) }

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We get,

a = x^{3}

a = -8

Now, b = x = -2

3 0
4 years ago
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