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geniusboy [140]
2 years ago
7

The following are test scores Karen received during the first marking period.

Mathematics
1 answer:
8090 [49]2 years ago
3 0

Answer:

92

Step-by-step explanation:

Put the scores in order:

60, 75, 80, 90, 94, 95, 100, 100

There are 8 numbers, and the middle two numbers are 90 and 94.

90 + 94 = 184

184/2 = 92

So the median is 92.

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X+3y = 2
nalin [4]

Answer:

The value of "x" is 5.

Step-by-step explanation:

In order to solve this system of equations, we first have to take the first equation and use it to represent "y" in terms of "x". We do that in the following way...

x + 3y = 2\\3y = 2 - x\\y = \frac{2}{3} - \frac{x}{3}

Now, we need to take the second equation and substitute "y" for the equivalent value in terms of "x". After doing this we will get the following equation, which we can solve to get the value of "x".

4x - 3y = 23\\4x-3(\frac{2}{3} - \frac{x}{3}) = 23\\4x - 2 + x = 23\\5x - 2= 23\\5x = 25\\x = 5

Therefore, the value of "x" is 5.

8 0
3 years ago
Find the ratio of shaded portions to unshaded portions in fig 8.1​
masha68 [24]
15:33

(Mark me the brainliest)
4 0
3 years ago
Simplify the expression<br> (1 + 1/x)(1 - 2/x+1)(1 + 2/x-1)
valentinak56 [21]

Answer: 4(×+1) (×-1)

Step-by-step explanation:

3 0
2 years ago
Blaine buys 2 books and the total cost is $24.18. What is the constant of proportionality that relates the cost in dollars, y, t
cestrela7 [59]

Answer:

$ 12.09

Step-by-step explanation:

formula Y = KX

Where; y = $ 24.18

            x = 2 books

            k = constant of proportionality

Step 1. Do the equation based on the formula

Y = kx

$24.18 = k2

Step 2.  Divide by 2

$24.18/2 = k2/2

k = $12.09 (answer)

5 0
3 years ago
I need the result of 14?2?7?3?9=10
PilotLPTM [1.2K]

Answer: yes

Step-by-step explanation:

7 0
3 years ago
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