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Vlada [557]
3 years ago
9

What is Derrick's mean test score so far?

Mathematics
2 answers:
Romashka [77]3 years ago
6 0

it is 74.4               81.5            and  median

Step-by-step explanation:

Vlada [557]3 years ago
5 0

Answer:96.5

Step-by-step explanation:

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School X and School Y play each other in a competition. School X has six more points than School Y. School X has four times as m
Kipish [7]

Answer:

School X has 8 points and School Y has 2 points

Step-by-step explanation:

From first sentence

X - 6 = Y

From second sentence

X = 4Y

Hence substitute equation 1 into equation 2

4Y - 6 = Y

Y = 2

X = 4 x 2 = 8

6 0
3 years ago
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Does anyone know how to do this
Ipatiy [6.2K]

Answer:

I think you replace, A and N with 0.6 and complete the equation

Step-by-step explanation:

srry if wrong but i hope this helped in anyway

4 0
2 years ago
A line is represented by the equation 2x + 3y = 15. What is another way to represent the same line, for solving Y ? Help is need
Lady bird [3.3K]

The another way to represent the same line, for solving y will be:  y= 5-\frac{2}{3}x

<u><em>Explanation</em></u>

Given equation of the line is:  2x+3y=15

"Solving y" means <u>we need to get</u> y <u>alone in left side.</u> So, we will eliminate all other terms except y from the left side.

First we will <u>subtract 2x </u>from both sides. So, we will get......

2x+3y-2x=15-2x\\ \\ 3y=15-2x

Now, we will <u>divide both sides by 3</u> for getting y alone. So.....

\frac{3y}{3}= \frac{15-2x}{3}\\ \\ y= 5-\frac{2}{3}x

Thus, the another way to represent the same line, for solving y will be:  y= 5-\frac{2}{3}x

7 0
3 years ago
Shane's age is 8 years more than three times Edward's age. Their combined age is 56 years.
natima [27]
24 the answr is 24 this was mad easy
4 0
1 year ago
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Right isosceles triangles are constructed on the sides of a 3−4−5 right triangle, as shown. A capital letter represents the area
Ivenika [448]

Answer:

1

Step-by-step explanation:

because the triangles are isosceles, that means that the area of Z is 5x5x1/2, which equals 12.5

the area of X is 4.5

the area of y is 8

(8+4.5)/(12.5) = 1

5 0
3 years ago
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