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babunello [35]
3 years ago
11

A square pyramid has a base area of 64 ft2. The pyramid’s total surface area is 224 ft2. What is the area of each triangular fac

e?
A. 32 ft2
B. 40 ft2
C. 53 1/3 ft2
D. 160 ft2
Mathematics
2 answers:
Sophie [7]3 years ago
5 0
I think your answer is D but I could be wrong.
masha68 [24]3 years ago
4 0

Answer:

B. 40 ft2

Step-by-step explanation:

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What best describes the distance between two points with coordinates (2,-3) and (-4,2)
Fed [463]

Answer:

Option c (7.8) is the correct alternative.

Step-by-step explanation:

The given points are:

(x₁, y₁) = (2, -3)

(x₂, y₂) = (-4, 2)

As we know,

The distance between two points will be:

= \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

On substituting the values, we get

= \sqrt{(-4-2)^2+(2-(-3))^2}

= \sqrt{(-4-2)^2+(2+3)^2}

= \sqrt{(6)^2+(5)^2}

= \sqrt{36+25}

= \sqrt{61}

= 7.8 \ units

6 0
3 years ago
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almond37 [142]

Answer:

16 cm

Step-by-step explanation:

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I hope this helps!

8 0
3 years ago
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In 16 years, Ben will be 3 times as old as he is right now.How old is he right now?
Goryan [66]

Ben is 8 years old right now.

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Marta_Voda [28]

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1 + 5sin^2x= 7sin^2x solve trig equation. Can you show me how to solve this trig equation?
pantera1 [17]

Answer: x = \frac{\pi}{4}\pm k\frac{\pi}{2}\,\,\,\,\,\,k=\{0,1,2,...\}

Step by step:

1 + 5\sin^2x= 7\sin^2x\\\sin^2 x\rightarrow z\\1 + 5z = 7z\\2z = 1\\z = \frac{1}{2}\implies \sin^2 x = \frac{1}{2}\\|\sin x| = \frac{1}{\sqrt{2}}\\\sin x = \pm\frac{1}{\sqrt{2}}=\pm\frac{\sqrt{2}}{2}\\\implies x = \frac{\pi}{4}\pm k\frac{\pi}{2}\,\,\,\,\,\,k=\{0,1,2,...\}

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3 years ago
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