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jekas [21]
3 years ago
15

Which of the following expressions could be used to represent "the difference between -17 and -8"?

Mathematics
1 answer:
saw5 [17]3 years ago
4 0
-17-(-8)
Hope it helps
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What is the solution for the following system of equations?<br><br>5x + 7y = 3<br><br>2x + 3y = 1
spayn [35]
<span>A) 5x + 7y = 3
B) 2x + 3y = 1

Multiplying Equation B by -2.5
</span><span>B) -5x -7.5y = -2.5 Then adding this to Equation A)
A) 5x + 7y = 3</span>

-.5y  = .5
y = -1

Since
<span>2x + 3y = 1 then
2x -3 = 1
then x = 2

</span>
6 0
3 years ago
I need help I don't know how to do this
AveGali [126]

Answer:

Step-by-step explanation:

4 0
3 years ago
What are the x-intercepts of the equation?<br> <img src="https://tex.z-dn.net/?f=r%28x%29%20%3D%20x-1%2Fx%2B4" id="TexFormula1"
cestrela7 [59]

Answer:

<u>The only x-intercept is x = 1</u>

Step-by-step explanation:

The equation is:

r(x)=\frac{x-1}{x+4}

We can substitute y for r(x), to write in the notation:

r(x)=\frac{x-1}{x+4}\\y=\frac{x-1}{x+4}

To get y-intercept, we put x = 0

and

To get x-intercept, we put y =0

We want to find x-intercepts here, so we substitute 0 into y and solve for x. Shown below:

y=\frac{x-1}{x+4}\\0=\frac{x-1}{x+4}\\0(x+4)=x-1\\0=x-1\\x=1

<u>The only x-intercept is x = 1</u>

3 0
3 years ago
The math team has 11 boys, 10 girls, and 1 coach. What is the ratio of coach to students? Group of answer choices 21/1 11/1 1/11
laila [671]

Answer:

1/21

Step-by-step explanation:

11 boys + 10 girls = 21 students

We want the ratio of coaches to students

1 coach: 21 students

1/21

8 0
3 years ago
Read 2 more answers
Seventeen minus the quotient of twelve and six is the equivalent to which of the following?
KATRIN_1 [288]

Answer:

It should be the first on the list   17 - 12/6

Step-by-step explanation:

if I replace the words in your sentence, you have

17 minus the  12/6

get

17 - 12/6

3 0
3 years ago
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