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nignag [31]
3 years ago
8

What are the correct steps for solving the following equation: 5x - = 21

Mathematics
2 answers:
Dima020 [189]3 years ago
6 0

Answer:

x=4.2

Step-by-step explanation:

1. Divide each side by 5

then thats your answer

ololo11 [35]3 years ago
3 0

Answer:

 x = -21/5 = -4.200

Step-by-step explanation:

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Geometry: Please help!!!(again lol)
Lesechka [4]

Answer:

16

35

27

29

Ecuaciones:

9)(x+10)+64=90

10) ( 2+x)+143=180

11)55=(2x+1)

12)  2x=58

3 0
3 years ago
Read 2 more answers
3. Write the following equation in slope intercept form: -2x + y = 9 A.) Y = -2x + 9 B.) Y = -2x – 9 C.) Y = 2x + 9 D.) Y = 2x –
Ira Lisetskai [31]

Hey! :)

So when we write something in slope intercept form, all we're doing is solving for y. So let's do that with this equation!

-2x + y = 9

add 2x to both sides

y = 2x + 9

So C is your answer.

Please let me know if you need anything further explained!

4 0
4 years ago
11. The scale for a drawing of the tennis court is
Ivenika [448]

Answer:

I believe the correct answer would be 220 meters.

Step-by-step explanation:

If one centimeter equals 2 meters, then you would have to multiply the width (5.5 cm.) by 2 and the length (10 cm.) by 2. After you multiply those, you get 11 meters for the width and 20 meters for the length. You then multiply those by each other, so 11x20, and you get 220.

3 0
4 years ago
Helpppppp please find the value of x
snow_tiger [21]

Answer:

48 + 87 + 20x - 10 = 180

125 + 20x = 180

20x = 55

x = 2.75

45 + 48 + 87 = 180

3 0
3 years ago
2 Points
Over [174]

Answer:

A. Five places to the left

Step-by-step explanation:

Scientific notation is a method used so we can show a very big/small number easier. Rather than putting so many zeroes, we put the number in the format of a number multiplied by 10^x.

Before putting a number into scientific notation, you need to know which number is a significant  figures. In this question, there are two significant figure which is 39, all zeroes on the right is insignificant. We can move the decimal to convert the number into 3.9 * 10^5. Basically you need to move the decimal to the left  if the exponent positive, but move it to the right if its negative. The exponent is +5 so we move the decimal points 5 places to the left.

6 0
3 years ago
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