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blagie [28]
2 years ago
9

You make $10.50 an hour at your part-time job and Andy makes $9.75 an hour at his full-time job. If you work a full week of 40 h

ours how much will you make that week
Mathematics
1 answer:
Marianna [84]2 years ago
7 0
The awnser is $420.00 (10.50 X 40 = 4200)
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For what value of a do the lines 5x–2y=3 and x+y=a intersect at a point on the y-axis?
Svetlanka [38]

So what they are trying to say is that they both have the same y-intercept. Easy!

Make y the subject:

5x - 2y = 3

2y = 5x - 3

y = 2.5x - 1.5

The y-intercept is -1.5.

Make y the subject:

x + y = a

y = -x + a

Therefore, a must be -1.5 !

6 0
4 years ago
Correct answer will get brainliest
Sophie [7]

Answer:

4.) Choice B

    &

5.) Choice A

Step-by-step explanation:

<em><u>Question 4:</u></em>

First you have to solve for y to get slope intercept form.

2x-5y=6\\5y=-2x+6\\y=-\frac{2}{5}x+\frac{6}{5}

The slope is a fraction but you need it to convert it to a decimal so that'll be Choice B.

<em><u>Question 5:</u></em>

For this one I we will use this formula m= \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

I will choose the easy pairs to plug it in (-12,-2) (20,6)

\frac{6--2}{20--12}\\\\\\\frac{8}{32}=\frac{1}{4}

The slope is a fraction again but you can convert it and that'll be Choice A.

5 0
3 years ago
X2-3x-4=0 please help me factorize
zimovet [89]
X² - 3x - 4 = 0

Reverse FOIL method . . .

(x - 4)(x + 1) = 0

one of the paranthesis has to be equal to zero if the other is not . . .

x - 4 = 0

<u><em>x = 4</em></u>

x + 1 = 0

<u><em>x = -1</em></u>
4 0
3 years ago
Read 2 more answers
Find the perimeter. Simplify your answer.
kumpel [21]

Answer:

26s+24

Step-by-step explanation:

2(3s+9) +2(10s+3)

6s +18+20s +6

26s +24= perimeter

3 0
3 years ago
Please help!! I'm probably gonna be spamming sooo​
Genrish500 [490]

Answer:

12π

is the correct answer

3 0
3 years ago
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