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Lelechka [254]
3 years ago
13

Marie gets a gift of $100 for her birthday. After that, she earns $20 per week for babysitting

Mathematics
1 answer:
Lostsunrise [7]3 years ago
4 0

Answer:

y=20x+100

y-intercept= 100

slope= 20/1

Step-by-step explanation:

Since 100 is the constant, the y-intercept(b) is equal to 100. And if she earn's 20 dollars each week it's the changing amount.

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I need helppppp........
grin007 [14]

Answer:

B

Step-by-step explanation:

To do this, you need to complete the square.

y=-2x^2-8x-13 \\\\y=-2(x^2+4x)-13 \\\\y=-2(x^2+4x+4)+8-13 \\\\y=-2(x+2)^2-5

Therefore, the correct answer is choice B. Hope this helps!

7 0
3 years ago
Find 3x-y-3z if x=-2, y=1, z=-2
andriy [413]

Answer:

-

Step-by-step explanation:

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5 0
3 years ago
Here's a graph of a linear function. Write the equation that describes that function.
Nataly [62]
Y=1/4x+3 i think is the right answer because your y-intercept is 3 and you go up one and over 4
7 0
3 years ago
Triangle ABC is shown below.
Andrew [12]

Answer:

C.) 14

Step-by-step explanation:

Look at the triangle: angles b and c have the same arch, so they are congruent.

In a triangle, if two angles are congruent, then the triangle is isosceles, having two equal sides.

The sides opposite the congruent angles are congruent:

∠B → opposite side → AC

∠C → opposite side → AB

The sides AB and AC are equal. Make an equation:

AB=AC\\\\2x=3x-7

Simplify the equation, solving for x. Add 7 to both sides:

2x+7=3x-7+7\\\\2x+7=3x

Subtract 2x from both sides:

2x-2x+7=3x-2x\\\\7=x

The value of x is 7. Insert the value of x into the given length of AC:

AC=3(7)-7

Simplify multiplication:

AC=21-7

Subtract:

AC=14

Therefore, the length of the line segment AC is 14.

:Done

8 0
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jekas [21]

Answer:

A

Step-by-step explanation:

4 0
3 years ago
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