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Varvara68 [4.7K]
2 years ago
7

Use the distributive property to solve the equation -2(x+5) =4

Mathematics
1 answer:
LekaFEV [45]2 years ago
3 0
-2x-10=4
add 10 to both sides
-2x=14
x=-7
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What is the probability that Joey got his math book and biology book?
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There are eight books total and he only grabbed two so the probability would be 2 out of 16 or 2:16

4 0
3 years ago
Persons taking a​ 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a
mihalych1998 [28]

Answer:

y = 4.125x + 496.25

Step-by-step explanation:

Set the data up as points. Then deal with the points.

Givens

(30,620)

(70,785)

y2 = 785

y1 = 620

x2 = 70

x1 = 30

Formula

Slope = (y2 - y1) / (x2 - x1)

Solution

Slope = (785 - 620)/(70 - 30)

Slope = 165 / 40

Slope = 4.125

===================

Now you need the y intercept. Either one of the two given points will give you that.

y = 620

x = 30

m = 4.125

y = mx + b

620 = 4.125*30 + b

620 = 123.75 + b

620 - 123.75 + b

b = 496.25

5 0
3 years ago
Please Help..............
Anvisha [2.4K]
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7 0
3 years ago
the median of the values in a data set is y. if 48 were subtracted from each of the values in the data set what would be the med
Nataliya [291]

 Answer: Y-48

<span>If the median of the values in the data set is Y, it means that Y is the value in the middle of the data set. If 48 will be deducted from each of all values in the data set including Y, then the median of the resulting value will be Y-48. </span>

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3 years ago
Read 2 more answers
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2 years ago
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