MATHEMATICS HIGH SCHOOL

If x3 = 125, what is the value of x?

3
5
12
42

Answers

Answer 1
Answer:

Answer:

Option B.

Step-by-step explanation:

In this question the given expression is x³ = 125 and we have to find the value of x.

x³ = 125

x³ =  5³

x = ∛5³

x = (5^(3))^{(1)/(3) }

x = 5^{(3)/(3)}

x = 5

Therefore x = 5, Option B is the correct answer.
Answer 2
Answer:

Answer:

5 or B

Step-by-step explanation:

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How to find missing endpoint?

Answers

You can determine the distance between the known 'endpoint' to the 'midpoint' then work the same change on midpoint 
Find the start and end. Get the value and use the same thing

Trudy borrowed $560.00 from a friend and agreed that for several years she would make equal monthly payments to pay only the interest on the loan. If her 12 interest payments each year total 6.5% of the amount she borrowed, how much interest has she paid after 18 monthly payments?

Answers

Answer:

$54.6

Step-by-step explanation:

Amount borrowed = $560

Interest paid in the 12-month period = 6.5% of 560 =$36.4

The amount of interest Trudy pays in 18 months is worked out as

Monthly interest = $36.4/12

Interest payable in 18 months

= ($36.4/12) x 18

= $54.6

100 PTSSS!! NO SCAMM I NEED YOUR HELP Describe the correlation in the scatter plot below.
The scatter plot shows ___________correlation because as the plotted values of x increase, the values of y generally ________.

Answers

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Let f(x) = x^2 – 81. Find f–1(x).
Can someone double-check what I have?

Answers

For the answer to the question above, if you are just checking your answer, I'll just show the solution. Is it just ok?
f(x) = x2 - 81 
y = x^2 - 81 
x = y^2 - 81 
x + 81 = y^2 
y = ± √(x + 81) 

f⁻¹(x) = ± √(x + 81) answer

Answer is ±√x+81

I hope I helped you with my answer somehow.
I hope this helps you



y=x^2-81


x^2=y+81


x=square root of y+81


f^-1 (x)= square root of x+81

Find the x and y-intercepts of the equation 6x-2y+12=0

Answers

6x - 2y + 12 = 0
6x - 2y = -12
x = 0, -2
y = -6, 0 is what i got :)

Which of the following is the solution to the inequality below?-5x - 10 < 20 ?

1) x > -6
2) x > - 2
3) x < -6
4) x< -2

Answers

Add 10 to both sides.

This gives us -5x < 30.

Now divide both sides by -5.

When you divide both sides of
an inequality by a negative, switch
the direction of the inequality symbol.

So we have x > -6.
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