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sineoko [7]
3 years ago
8

Write an expression that represents the sum of 7 and x.

Mathematics
2 answers:
Otrada [13]3 years ago
7 0
The answer is y=7+x.
kati45 [8]3 years ago
3 0

Answer:

7+x=y

Step-by-step explanation:

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Shelly biked 21 miles in 4 hours. What is Shelly's average speed in miles per hour? At that same rate how many hours will it tak
Vedmedyk [2.9K]

So, we need to do the distance she travelled (21 miles) divided by the rate at which she travelled (4 hours). Therefore, because 21 divided by 4 is 5.25, she biked at a speed of 5.25 mph (Miles per hour). So, if she bikes 5.25 miles every hour we can divide 42 by 5.25 to get the time it would take her to travel 42 miles. Now, 42 divided by 5.25 equals 8, so that means for Shelly to bike 42 miles at her average speed of 5.25 mph, it would take her 8 hours.

5 0
3 years ago
Read 2 more answers
Multiply the following<br> (-7pq^2r^3) * (-13p^3q^2r)
artcher [175]

Answer:

91p^{1+3q^{2r}}q^{2r^3}

Step-by-step explanation:

  (-7pq^2r^3) * (-13p^3q^2r)

= 91p^{1+3q^{2r} }*q^{2r^{3} }

= 91p^{1+3q^{2r}}q^{2r^3}

7 0
2 years ago
Please help me idk this
Lera25 [3.4K]

Answer:

25 degrees

Step-by-step explanation:

2x + 100 = 150 \\ 2x = 150 - 100 \\ 2x = 50 \\ x =  \frac{50}{2}  \\ x = 25

7 0
3 years ago
What is the salon to the equation? 15 = |x| - 5
earnstyle [38]

Step-by-step explanation:

15 = |x| - 5

|x| - 5 = 15

|x| = 15 + 5

|x| = 20

x = ±20

x = -20 or 20

Option → B

5 0
2 years ago
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Craig has a 6 ft by 6 ft square garden in his backyard. He wants to transform the garden into a rectangular shape and reduce the
Yanka [14]
X = 2
So 6 + 2 = 8
6 - 2 = 4
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(6-x)(6+x) = 32
36 - x^2 = 32
-36. -36
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X = 2
7 0
3 years ago
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