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timofeeve [1]
4 years ago
14

Solve the system by graphing

Mathematics
2 answers:
liberstina [14]4 years ago
8 0

D) (3,1) i got this 100% right

MAXImum [283]4 years ago
4 0
-3x - y = -10
<span>4x - 4y= 8

</span>To make these easier to graph, convert them to slope-intercept form by isolating y on the left side:

-3x - y = -10
-y = 3x - 10
y = -3x + 10

---

<span>4x - 4y = 8
-4y = -4x + 8
y = x - 2

</span><span>Now I can graph the equations

</span>y = -3x + 10
y = x - 2

Answer:
D. (3, 1)

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Factor the polynomial.<br><br> 216x^3-64
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(6x-4) (36x^2 +24x +16)
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3 years ago
Which expression is equivalent to 1/4-3/4x
mrs_skeptik [129]

Answer:

-3/4x + 1/4

Step-by-step explanation:

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5 0
4 years ago
Read 2 more answers
Please help I will give brainliest.
galina1969 [7]

Answer:

c = 9

Step-by-step explanation:

You're looking for a number so that when you use that number in place of x, you end up with 20.

f(x) = 3x - 7

f(c) = 3c - 7

20 = 3c - 7

Add 7

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3 0
3 years ago
A students cost for last semester at her community college was $2500. She spent $475 of that on books.what percent of last semes
max2010maxim [7]
It is 19%!! :) an explanation is:
We assume, that the number 2500 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 2500, so we can write it down as 100%=2500.
4. We know, that x% equals 475 of the output value, so we can write it down as x%=475.
5. Now we have two simple equations:
1) 100%=2500
2) x%=475
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=2500/475
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 475 is what percent of 2500

100%/x%=2500/475
(100/x)*x=(2500/475)*x - we multiply both sides of the equation by x
100=5.2631578947368*x - we divide both sides of the equation by (5.2631578947368) to get x
100/5.2631578947368=x
19=x
x=19

now we have:
475 is 19% of 2500
7 0
4 years ago
If a triangle is reflected across the y-axis, what are the coordinates of the image of point F? Use FGH to answer the question.
alex41 [277]
The answer is D. You just move 10 units down from point F.
6 0
3 years ago
Read 2 more answers
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