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julia-pushkina [17]
3 years ago
15

PLEASE HELP!!!!! ILL MARK YOU BRAINLIEST .......>

Mathematics
2 answers:
Artemon [7]3 years ago
7 0
The answer is c because we simpple

posledela3 years ago
4 0
A (0,3)  B(1,-5) C(4,-1) D(0,-6)
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Determine the surface area of a sphere with radius 2 meters. Question 12 options: A) 24.2 m2 B) 16 m2 C) 50.3 m2 D) 32 m2
Nady [450]

Answer:

C

Step-by-step explanation:

SA=4*pi*r^2

SA=4*pi*2^2

SA=4*pi*4

SA=16*pi m^2

SA≈50.2654824574

SA≈50.3 m^2

Which is C

5 0
3 years ago
What are the zeros of the function f(x) = x2 + 8x + 4, expressed in simplest radical form?
Katyanochek1 [597]

Answer:

Step-by-step explanation:

assuming it is x^{2} +8x+4

Using Quadratic formular -

a - 1

b - 8

c - 4

x= \frac{ -8 -,+ \sqrt{(8^2) - 4 (1)(4)}}{2(1)} \\\\

x = \frac{-8 +,- \sqrt{48} }{2}\\\\

x = \frac{-8+,- 4\sqrt{3} }{2}

x = {-4+,- 2\sqrt{3} }

3 0
3 years ago
Read 2 more answers
HELLPPPP I WILL GIVE BRAINIEST!!!!!!!!!!!!<br><br> 2x+3=20-15
Nesterboy [21]

Here you go!

Answer: X = 1



8 0
3 years ago
Read 2 more answers
Which is bigger, 7/8 or 9/10
Nonamiya [84]
9/10 is the answer. 7/8 is 70/80 and 9/10 is 72/80
7 0
3 years ago
Evaluate csc(-315°).
Maru [420]

Answer:

\frac{2}{\sqrt{2} } = \sqrt{2}

Step-by-step explanation:

Notice from the attached image that -315 degrees is the same as 45 degrees.

Recall as well that the csc function is defined as the reciprocal of the sine function: csc(x)=\frac{1}{sin(x)}

Then, you need to evaluate \frac{1}{sin(45)} = 1/\frac{\sqrt{2} }{2} = \frac{2}{\sqrt{2} } =\sqrt{2}

8 0
3 years ago
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