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Xelga [282]
2 years ago
12

5. Lucinda is a babysitter. Her hourly rate is $5.00. fin one week, she baby sat 13 hours and

Mathematics
1 answer:
trapecia [35]2 years ago
6 0
5.00 x 13 hours = 65
$65 + $14.50 = $79.50
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Solve the systems using substitution.<br><br> − 2x − 5y = − 5<br> x = 5y − 20
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-2(5y-20) - 5y = -5
-10y + 40 - 5y = -5
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x = 5(3) - 20
x = 15 - 20, x = -5
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Which equations are in standard form? Check all that apply
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3 years ago
PLEASE HELP WILL GET BRAINIEST
NeX [460]
You have a lot of questions here, I can help you with a few of them.

When you simplify the polynomials, you put together all of the terms that have the same degree. That means the variables have the same exponents. The number of terms are the items separated by plus and minus signs.

Here are the answers for the first three:


1) 8x^3+2x^2-3x+9&#10;

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3)  -3x^3+9x^2 +3x
6 0
4 years ago
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Mrs. Dominguez asked her students to plot the number of books they read over the summer.
Mnenie [13.5K]

Count the dots located on the blot labeled at 2.

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5 0
4 years ago
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Which of the sets of ordered pairs represents a function? A={(-4, 5), (1, -1), (2, -2), (2, 3)} B = {(2, 2), (3, -2). (9. 3). (9
EastWind [94]

Answer: Neither A or B

Step-by-step explanation: In order for a relation to be a function, a relation can not have the x-values repeat. Y-values can repeat an infinite amount of times but x-values can only repeat 1 time in a given relation. In relation A, you have (2,-2), and (2,3) and relation B, you have (9,3), and (9,-3). You can also graph both of these relations and do a vertical line test with your pencil and see that it would cross more than once.

Hope this helps.

7 0
2 years ago
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