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Anni [7]
3 years ago
12

If f(x) = x^3 , find x= -5

Mathematics
2 answers:
Naddik [55]3 years ago
7 0

Answer:

f(-5)=-125

Step-by-step explanation:

we have

f(x)=x^3\\\\x=-5\\\\f(-5)=(-5)^3\\\\f(-5)=-125

timurjin [86]3 years ago
4 0

Answer: f(-5)=-125

Step-by-step explanation:

For this problem, we are given f(x)=x³ and x=-5. Since we are given x=-5, we plug that into f(x) and solve.

f(x)=x³            [plug in x=-5]

f(-5)=(-5)³      [exponent]

f(-5)=-125

Now, we know that f(-5)=-125.

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Answer:

2 7/8

Step-by-step explanation:

first step is making these into improper fractions for example 6 1/8 would equal 49/8 because 6*8=48 and add the 1/8 to get 49/8 then do the same with the 3 1/4 make them into 8ths. so it would be 3 2/8 then 26/8 now subtract 49-26 to get 23/8. now simplify to get 2 7/8

5 0
2 years ago
Read 2 more answers
Solve 3/5=8/y. Round to the nearest tenth. 15.2 9.8 13.3 18.8
Sidana [21]
3/5 = 3/y
40 = 3y
Divide both by 3
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3 years ago
What is the focus of the parabola?<br><br> y=−14x2−2x−2
nataly862011 [7]
First, we need to transform the equation into its standard form (x - h)²=4p(y - k).
Using completing the square method:

y = -14x² - 2x - 2
y = -14(x² + 2x/14) - 2
y = -14(x² + 2x/14 + (2/28)²) -2 + (2/28)²
y = -14(x + 1/14)² - 391/196
-1/14(y + 391/196) = (x + 1/14)²

This is a vertical parabola and its focus <span>(h, k + p) is (-1/14, -391/196 + 1/56) = (-1/14, -775/392).

Or (-0.071,-1.977).</span>
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3 years ago
What is the general form to find square roots
Effectus [21]

Answer:

see below (I hope this helps!)

Step-by-step explanation:

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3 years ago
Find the savings plan balance after 18 months with an APR of 3% and monthly payments of $200.
ArbitrLikvidat [17]

The saving plan balance is $3,677.53.

Given that,

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  • The annual percentage rate is 3% so the monthly rate percentage is 0.25%.
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Based on the above information, the following formula should be used:

FVA = PMT×  [(1+r)^n - 1] ÷ r

= $200 × [(1+ 0.0025)^18 - 1] ÷ 0.0025

= $3,677.53

Therefore we can conclude that the saving plan balance is $3,677.53.

Learn more: brainly.com/question/14191332

4 0
2 years ago
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