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solong [7]
2 years ago
6

Each of four test scores in Connie’s class is to be weighted equally. On the first three tests, Connie scored 80%, 90% and 95%.

What percent must she score on her fourth test to have an overall average of exactly 90%?
Mathematics
2 answers:
Zanzabum2 years ago
7 0

Answer:

95%is the answer

Step-by-step explanation:

Nataly_w [17]2 years ago
6 0

Answer:

95%

Step-by-step explanation:

We can use the balancing method to do this.. first what is the total below 90?

The total is 10% because 90-80 which was the only percentage below 90 is 10%. Then, what is the total above 90?

The total is 5% because the only percentage above 90 is 95 and 95-90 is 5%

Now we use the balancing method to get from 5-10.

Using the balancing method we get 95%

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3 years ago
Which could be a first step in solving the equation
Airida [17]

A first step in solving the equation 1/4 x + 1/2 = 3/4x will be answer A multipllied by 4 on both sides.

What is an equation?

The equation is actually a relationship between the numbers and the variables.The given equation is  1/4 x + 1/2 = 3/4x

Now the solution of the equation will be:-

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7 0
2 years ago
11/6=n+7/9 what does n equal
SVEN [57.7K]

Answer:

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Step-by-step explanation:

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Read 2 more answers
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