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docker41 [41]
3 years ago
5

Mona's scores on 5 math tests were 83,67, 79, 92 & 70. She needs an average score of 81 to receive a B grade on the report c

ard. What is the lowest score she can obtain on the remaining test before report cards and still receive a B grade?
Mathematics
1 answer:
Alina [70]3 years ago
6 0
Is it multiple choice?

EDIT: The answer is 95.
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Based on the graph, what is the initial value of the linear relationship?
alex41 [277]

Answer: two over three

Step-by-step explanation:

y=ax+b

line intercepts y at (0,-2)

Therefore, y=ax-2

Substitute x = 3 in y =ax-2

y=3a-2

To find the x-intercept, y = 0

3a-2=0\\3a=2\\a=\frac{2}{3}

The slope is 2/3

y-intercept is -2

So two over three

4 0
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PLEASE HELP!!! I NEED TO TURN THI IN SOON !!!
Anon25 [30]

Answer:

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Step-by-step explanation:

Point A is 3 units to the left from the graph

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Correct option is 3.

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3 years ago
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May makes $23.25, Inez makes $2325, and Carolyn makes $232.50
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Explain how you can round 25.691 to the greatest place.
julia-pushkina [17]
Since the 6 is bigger than 5 it means round up if it was a 4 you would round down
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A portion of the Quadratic Formula proof is shown. Fill in the missing statement.
Zielflug [23.3K]

Answer:

Option A.

Step-by-step explanation:

we have

x+\frac{b}{2a} =\pm\sqrt{\frac{b^2-4ac}{4a^2}}

Simplify the right side of the equation

we know that

\pm\sqrt{\frac{b^2-4ac}{4a^2}}=\pm\frac{\sqrt{b^2-4ac}}{\sqrt{4a^2}}=\pm\frac{\sqrt{b^2-4ac}}{2a}

so

The expression is

x+\frac{b}{2a}=\pm\frac{\sqrt{b^2-4ac}}{2a}

therefore

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