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Dmitry_Shevchenko [17]
4 years ago
12

What must Sara get on her next test to average 80% if her previous test scores were 78, 88, 83, and 81?

Mathematics
1 answer:
Luba_88 [7]4 years ago
8 0
Answer: 70


Explain:

80*5 = 400
this tells us that the total scores before
dividing must be 400

400 - (78+88+83+81) = 70
this tells us that we lack +70

in conclusion, to get an average of 80% on Sara's test scores; She must receive a grading of 70% in her next test.
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Step-by-step explanation:

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3 years ago
Two pounds of cashews cost $5, 3 pounds of cashews cost $7.50, and 8 pounds of cashews cost $20. Find the constant of proportion
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Answer:

Equation = P = 2.5 C

Step-by-step explanation:

From the first statement

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3 years ago
What is the vertex of the equation for the following parabola
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Y=-x^2-2x+3 a=-1, b=-2, c=3
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4 0
3 years ago
Escribir un 8% como un decimal
Angelina_Jolie [31]

Answer:

8% como un decimal es 0.08%

Espero que te ayude!

4 0
3 years ago
13 is the same as 1÷3. <br> What is the exact quotient in decimal form of 1÷3?
Yuliya22 [10]

Answer:

Exact quotient is 0

Step-by-step explanation:

Given : \frac{1}{3} is the same as 1÷3.  

To find : What is the exact quotient in decimal form of 1÷3

Solution : Here the divisor is 3

dividend is 1

To find quotient we divide divisor by dividend

1÷3 or  \frac{1}{3} = 0.333...

So, the quotient is 0.333... and remainder goes on to 1 till the division goes on.

Exact quotient in decimal form is 0

6 0
4 years ago
Read 2 more answers
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