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DaniilM [7]
3 years ago
15

Drag each equation to show if it could be a correct first step to solving the equation

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
6 0

Answer:

3 + 4x = 36----->No

(4.3)+(4 . x)= 36------>Yes

4(3 + x)= 144--------->No

3+ x = 9-------> Yes

12 + x = 36------>No

12 + 4x = 36------->Yes

Step-by-step explanation:

The given equation is

4(3 + x) = 36

A correct first step is to expand the LHS to get:

12 + 4x = 36

Or to divide through by 4 to get:

3 + x = 9

Or just distribute to get:

4 \cdot 3 + 4 \cdot \: x = 36

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The angle of elevation to the top of a skyscraper is measured to be 2° from a point on the ground 1 mile from the building. How
Nadusha1986 [10]

See picture below for a geometric view.


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After multiplying both sides by 1 (here 1 represents 1 mile), we get

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3 0
3 years ago
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Step-by-step explanation:

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4 0
2 years ago
Solve the equation<br><br> 1.6=7.6-5(k+1.1)
zepelin [54]
7.6 - 5(k + 1.1) = 1.6

7.6 - 5(k + 1.1) - 7.6 = 1.6 - 7.6

-5(k +1.1) = -6

-5(k + 1.1) -6
-------------- = ---------
-5 -5

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-----
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k + 1.1 - 1.1 = 6
----- - 1.1
5

k = 0.1
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