2 years ago

I will give you branilest!

Mathematics

2 answers:

klemol [59]2 years ago

5 0

Answer:

a. 5

Step-by-step explanation:

10÷2=5

5÷1=5

15÷3=5

bulgar [2K]2 years ago

3 0

Answer:

I believe it is 5 because when simplified they all simplify to 1/5

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The area of a cross section through the center of a sphere is 46 square inches. Find the surface area of the sphere.

gavmur [86]

Answer:

184 in.^2

Step-by-step explanation:

The cross section through the center of a sphere is a circle whose radius is equal to the radius of the sphere.

area of circle

$A_{circle} = \pi r^2$

$\pi r^2 = 46$

$r^2 = \dfrac{46}{\pi}$

$r = \sqrt{\dfrac{46}{\pi}}$

$r = 3.83 ~in.$

surface area of sphere

$SA = 4 \pi r^2$

$SA = 4 \times \pi \times (3.83)^2$

$SA = 184~in.^2$

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2 years ago

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Answer:

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2 years ago

What is the length of the major axis of the conic section shown below?

sveticcg [70]

$\dfrac{(x-2)^2}{49}+\dfrac{(y+5)^2}{36}=1$

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$\dfrac{x^2}{a^2}+\dfrac{y^2}{b^2}=1$

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We have

$a^2=49\to a=\sqrt{49}=7\\\\b^2=36\to b=\sqrt{36}=6\\\\a > b$

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3 years ago

What's the surface area ?

Morgarella [4.7K]

Answer:

ans = 112

Step-by-step explanation:

Hope it will help

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What is the solution to the system of equations graphed below?

MA_775_DIABLO [31]

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