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Tpy6a [65]
2 years ago
10

Can anyone help me get the correct answer?

Mathematics
1 answer:
Andreyy892 years ago
5 0

Answer:

Sorry

Step-by-step explanation:

I don't know the answer

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What is the surface area of the sphere?
Fantom [35]

Answer:

<em>The surface area of the sphere is 314 mi².</em>

Step-by-step explanation:

According to the given diagram, the diameter of the sphere is 10 mi.

If the radius is r, then diameter =2r

So....

2r=10\\ \\ r=\frac{10}{2}= 5

<u>Formula for the surface area of a sphere</u>:  A_{S}= 4\pi r^2

Plugging the value of r into this formula, we will get...

A_{S}=4\pi(5)^2\\ \\ A_{S}=4\pi(25)\\ \\ A_{S}=4(3.14)(25)\ \ [Using\ \pi=3.14]\\ \\ A_{S}=314

So, the surface area of the sphere is 314 mi².

7 0
3 years ago
Using graph paper, determine the line described by the given point and slope. Click to show the correct graph below.
Sholpan [36]
It’s the one that is horizontal (side ways )
5 0
3 years ago
Read 2 more answers
Please help me fast
Sveta_85 [38]

Answer:

1.187991

Step-by-step explanation:

sin^2(225)−(cos(330))(cos(240))

=(−0.930095)2−(cos(330))(cos(240))

=0.865076−(cos(330))(cos(240))

=0.865076−−0.991199(cos(240))

=0.865076−(−0.991199)(0.325781)

=0.865076−(−0.322914)

=1.187991

8 0
2 years ago
What is the simplified form of 3 Start Root 5 c End Root times Start Root 15 c cubed End root? (worth 30 brainily points)
aleksley [76]

Answer:

A. 15 c squared Start Root 3 End Root

Step-by-step explanation:

3\sqrt{5c} *\sqrt{15c^3} \\

Multiply the terms inside the square roots together

3\sqrt{75c^4}

Look for items that are perfects squares

3\sqrt{25*3*c^4}

We can separate terms inside the square root into separate square roots

3\sqrt{25} *\sqrt{3}*\sqrt{c^4}

3*5 *\sqrt{3} *c^2

Combine like terms

15c^2\sqrt{3}

8 0
3 years ago
Help please??? please
lord [1]
All triangles are similar.
.. x/3 = 27/x
.. x^2 = 81
.. x = 9

.. y = √(x^2 -3^2) = √72
.. y = 6√2
8 0
3 years ago
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