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saw5 [17]
2 years ago
12

There are 420 students at Virginia Middle School. For every 7 students, 4 of them are girls. How many girls are there at Virgini

a Middle School?
Mathematics
2 answers:
Studentka2010 [4]2 years ago
8 0

Answer:60

Step-by-step explanation:

MArishka [77]2 years ago
5 0
60 girls that was too easy
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Answer:

True

Step-by-step explanation:

In order to inscribe a circle in a triangle, the circle's center must be placed at the in center of the triangle, is true. the in center also is a point where the bisectors of the angles meet.

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3 years ago
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Jane was asked to find the factors of 8. Here is her work:
alexdok [17]
Jane did not show factors of 8, she showed multiples of 8. Factors of 8 would be 1, 2, 4, and 8
3 0
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The scores on a math test are normally distributed with a mean of 64 and a standard deviation of 8. Tara scored 52 on the test.
Dvinal [7]
A z-score<span> is the number of standard deviations from the mean a data point is.
</span>
Standard deviation explains by how much the members of a group differ from the mean value for the group.
Using the z-score formula:
                                           z = ( x  - μ ) ÷ σ
Where;
            x = score
            μ = Mean
            σ = Standard deviation 

Z- Score (Tara) = ( 52 - 64 ) ÷ 8
                         = - 12 ÷ 8
                         = - 1.5 

Z- Score (Jamal)  = ( 82 - 64 ) ÷ 8
                             = 18 ÷ 8
                             = 2.25 

Z- Score (Samuel) = ( 66 - 64 ) ÷ 8
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                               = 0.25
6 0
2 years ago
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Whitepunk [10]

Answer:

All you have to do is use the Triangle Inequality Theorem, which states that the sum of two side lengths of a triangle is always greater than the third side. If this is true for all three combinations of added side lengths, then you will have a triangle.

Step-by-step explanation:

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The graph shows the function f(x) = 3x.What is the value of x when f(x) = 9?
Law Incorporation [45]

Answer:

I'm just guessing so don't judge. 3

Step-by-step explanation:

5 0
3 years ago
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