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Alexeev081 [22]
3 years ago
15

(x^3-4x^2+7x-28)/(x^2+7)

Mathematics
1 answer:
saw5 [17]3 years ago
6 0

Answer:

-x+4

Step-by-step explanation:

given that

(x^3-4x^2+7x-28)÷(x^2+7)

or

first (x^2+7) × -x = -x^3-7x

so (x^3-4x^2+7x-28) + (-x^3-7x) = -4x^2-28

agian (x^2+7)×(4) = 4x^2+28

so, (-4x^2-28) + (4x^2+28) = 0

hence the quotient is -x+4

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Deb deposited $70 in a savings account earning 10% interest, compounded annually.
bija089 [108]

Answer:

Deb will have $93.17 in 3 years

Step-by-step explanation:

FV = P(1 + r)^n

FV = 70(1+0.1)^3

FV = 70(1.331)

FV = 93.17

7 0
2 years ago
A student provided the following solution for an equation. What mistake did the student make?
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Answer:

1st choice - 1st line- Distributive property applied incorrectly

Step-by-step explanation:

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3 0
3 years ago
If 3 pounds of apples costs $7.50, what is the unit rate for cost per pound? What will 9 pounds cost?
inna [77]

Answer:per pound would cost 2.50 and for nine pounds it would cost 22 dollars and 50 cent

Step-by-step explanation:

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3 0
3 years ago
Given the system of inequalities:
Margaret [11]
Answer:
First inequality: y > \frac{4}{5} x - \frac{1}{5}
Second inequality: y < 3 + x

Explanation:
The inequality in slope-intercept form has the following general formula:
y < mx + c or y > mx + c (according to the given sign)
where m is the slope and c is the y-intercept

This means that to get any inequality in slope-intercept form, we will have to isolate the y on one side of the inequality.

First given inequality:
4x - 5y < 1
4x - 5y + 5y < 1 + 5y
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1 + 5y - 1 > 4x - 1
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y > \frac{4}{5} x -  \frac{1}{5}
comparing this to the general form, we would find that:
slope (m) = 4/5
y-intercept (c) = 1/5

Second given inequality:
y - x < 3
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slope (m) = 1
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Hope this helps :)
8 0
3 years ago
Read 2 more answers
Use the probability distribution graph to answer the question. P(X≤a)=0.6 What is the value of a?
Stella [2.4K]
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In this type of problem, it is safe to assume the normal distribution unless you are told something different. 

In this probability, we have to find the z-score for a that gives a probability of 0.6. You will need a normal distribution chart to do this problem. Just find the probability that is closest to 0.6 and use that z-score.
8 0
3 years ago
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