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2 years ago

What are the two square roots of 121/49

Mathematics

2 answers:

marusya05 [52]2 years ago

6 0

Answer:

11/7, I copied it from the other answer, and I need brainiest if i'm going to rank up before I hit triple the points needed for my rank-up.

sasho [114]2 years ago

5 0

11/7, Hope this helps.

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What is the degree of the function f(x)=x⁴-5x+8+x²?

DENIUS [597]

First put it in decreasing power according to x.

x^4-5x+8+x^2

=x^4+x^2-5x+8

Now this question is asking what is the highest degree of x you see in this function.

4 of course.

Therefore the answer to his question is degree of 4.

Done!

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2 years ago

Y=-2(x-3)^2 +10<br> Y=4x

shepuryov [24]

Answer:

i might be wrong but 8 if not (2,8) if not sorry

Step-by-step explanation:

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2 years ago

Solve for x.<br> <br> 13x + 7 = 5x - 20

myrzilka [38]

The answer is -27/8= -3.375

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2 years ago

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zmey [24]

B. (7,-2) is the answer

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2 years ago

An escalator lifts people to the second floor of a building, 25 ft above the first floor. The escalator rises at a 30o angle. To

melamori03 [73]

Answer:

a person travel 50 ft from the bottom to the top of the escalator

Step-by-step explanation:

An escalator lifts people to the second floor of a building, 25 ft above the first floor. The escalator rises at a 30 degree angle

The escalator forms a right angle triangle

opposite to 30 degree angle is 25 feet. to find the distance from the bottom to the top of the escalator we find the hypotenuse

let x be the hypotenuse

$sin(theta)=\frac{opposite}{hypotenuse}$

$sin(30)=\frac{25}{x}\\x sin(30)= 25\\x=\frac{25}{sin(30)} \\x=50\\$

a person travel 50 ft from the bottom to the top of the escalator

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2 years ago