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stepan [7]
3 years ago
10

Best answer gets brainliest!!! Choose 3 plz!

Mathematics
2 answers:
Svetradugi [14.3K]3 years ago
7 0

Answer:

A, D, and E (I think)

Step-by-step explanation:

I'm pretty sure those would be the right answers, sorry that this isn't much of an explanation lol

stiv31 [10]3 years ago
3 0

I believe that the answer B,D,and E

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Find the values of x in this equation: x – 15 / x = 2.
Eddi Din [679]

Answer:

E) -3, 5

Step-by-step explanation:

x – 15 / x = 2

x^2 - 15 = 2x

x^2 - 2x - 15 = 0

(x - 5)(x + 3) = 0

x - 5 = 0; x = 5

x + 3 = 0; x = -3

Solutions: -3, 5

3 0
4 years ago
Read 2 more answers
HELP PLEASE BE QUICK
slavikrds [6]

The prism with the pentagonal base's volume is 585 cm³.

Step-by-step explanation:

Step 1:

The prism has a pentagonal base.

The volume of a prism with a pentagonal base, V=\frac{1}{4} \sqrt{5(5+2 \sqrt{5})} a^{2} h.

In the formula to determine the prism's volume, in the question, it is given that \frac{1}{4} \sqrt{5(5+2 \sqrt{5})} a^{2} is equal to 45 cm².

Step 2:

So if we substitute \frac{1}{4} \sqrt{5(5+2 \sqrt{5})} a^{2} = 45 in V=\frac{1}{4} \sqrt{5(5+2 \sqrt{5})} a^{2} h. we get,

V=\frac{1}{4} \sqrt{5(5+2 \sqrt{5})} a^{2} h = 45h.

The value of h for the given prism is 13 cm, so

V = 45(13) = 585 cm³.

The prism's volume is 585 cm³.

5 0
3 years ago
9x3^15 can be written as 3^n. What is the value of n​
stich3 [128]
N=17
used a calculator
5 0
3 years ago
Read 2 more answers
What is the 13th term of the geometric sequence<br> 4, 12, 36, 108, ...?
bogdanovich [222]

Answer: 2,125,764

Step-by-step explanation:

You can use the equation y=ar^n-1 to find the 13th term where a is the starting term, r is the common ratio, and n is the nth term

The next number is 12/4=3 times greater than the first. So if this sequence is a geometric one, then the next term must be 12*3=36. This is true, and the next term must be 36*3=108, which is also true. Therefore this sequence is a geometric one and its common ratio is 3. Therefore the equation is:

y=4*3^(n-1)

Substitute 13 for n:

y=4*3^(13-1)

y=4*3^12

y=2125764

Therefore, the 13th term of this geometric sequence is 2,125,764

7 0
2 years ago
Find the product of <br><img src="https://tex.z-dn.net/?f=63%20%5Ctimes%200%20%5Ctimes%20%28%20-%207%29" id="TexFormula1" title=
lina2011 [118]

Answer:

0

Step-by-step explanation:

63 * 0 is 0. 0 * (-7) is also 0.

Anything multiplied by 0 is 0, no matter how big the number is, or how many numbers there are.

Hope this helps :)

3 0
3 years ago
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