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LenKa [72]
2 years ago
6

Please do me explanation!

Mathematics
2 answers:
Semmy [17]2 years ago
7 0

Answer:

x = -13

Step-by-step explanation:

9−2x=35

or

2x=9−35

or

2x=−26

or

x=−262

or

x=−13

Zina [86]2 years ago
3 0

Answer:

X=-22

Step-by-step explanation:

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5x + y =7<br> 20x + 2 = y
kodGreya [7K]

Answer:

y = 6

x = 0.2

Step-by-step explanation:

5x + y =7

20x + 2 = y

5x(4) + y(4) = 7(4)

20x + 4y = 28

(20x = 28 - 4y) = (20x = y - 2)

28 - 4y = y - 2

30 - 4y = y

30 = 5y

y = 6

5x + y =7

20x + 2 = y

y = 7 - 5x

7 - 5x = 20x + 2

5 - 5x = 20x

5 = 25x

x = 0.2

4 0
3 years ago
Malia did push-ups and pull-ups in her physical education class. She did 24 push-ups and pull-ups combined, with each push-up ta
Paul [167]

Answer:

12 pull

As 48 seconds + 20 seconds push = 68 seconds

Step-by-step explanation:

Because she did 10 push = 20 seconds = 2 seconds each

12 pull = 48 seconds  = 4 seconds each

= 68 seconds combined.

Workings;

18 seconds found for the first set

We then find a divider of 68 and know that

6 x 3 = 18 seconds push

12 x 3 =36 seconds pull  T= 54

14 left over = 1 x 12 seconds pull

+ 2 seconds push

= 10 push = 20 seconds combined.

= 12 pull = 48 seconds combined.

6 0
3 years ago
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What is the slope of a graph?​
e-lub [12.9K]

Answer:

Image result for what is the slope of a graph?​

The slope of a line is rise over run. Learn how to calculate the slope of the line in a graph by finding the change in y and the change in x.

Step-by-step explanation:

6 0
3 years ago
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Rainbow [258]
It would be 400+700h=1800
5 0
3 years ago
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What 4 coins equal 90¢
N76 [4]

Answer:

half dollar, quarter, dime and nickel

Step-by-step explanation:

When you sum it up it will give you 90 cents.

3 0
3 years ago
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