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3 years ago

1/6(a+12)= -4 please help because I don’t understand this

Mathematics

1 answer:

iogann1982 [59]3 years ago

3 0

Answer:

a=-36

Step-by-step explanation:

1/6(a+12)=-4

1) Distribute 1/6 to a and 12:

1/6a+2=-4

2) Subtract 2 from both sides:

1/6a=-6

3) Multiply both sides by the reciprocal of 1/6: (6/1)

a=-36

Let me know if you have any confusion on how I reached the solution :)

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Alice earned $622.50 in interest on her savings in the bank before interest the account had $12,450 what is the approximate perc

In-s [12.5K]

If we take 12450 to be the 100%, what is 622.50 off of it in percentage then? let's check.

$\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
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3 years ago

(2/x) + (4/9) = (3/7) a=162 b= - 162 c= 126 d= - 126

ICE Princess25 [194]

The answer to this problem is (D= -126)
You can also use Photomath which is very helpful for problems like these. Hope I helped:))

4 0

3 years ago

SOMEONE PLZZZZZZ HELP

7nadin3 [17]

Answer:

x = 3

angle B = 70 degree

angle C = 50 degree

Step-by-step explanation:

angle B + angle C = angle CDA ( exterior angle property)

(22x+4) + (15x +5) = 120

22x + 15x + 4 + 5 = 120

37x + 9 = 120

37x = 120- 9

37x = 111

x = $\frac{111}{37}$

x = 3

angle B = 22x + 4

= 22(3) +4

= 66 +4

angle B = 70 degree

angle C = 15x+5

= 15( 3) + 5

= 45 + 5

angle C = 50 degree

Hope this helps.

3 0

2 years ago