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3 years ago

12

Evaluate (3−1)3+7(6)−5²

1 answer:

Anit [1.1K]3 years ago

7 0

The answer to the problem is 23

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120 degrees! ^^

Step-by-step explanation:

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What is the answer to the question 2 X2

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3 years ago

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4a−2(3a+8)=6 what is the answer

Tcecarenko [31]

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{a = - 11}}}}}$

Step-by-step explanation:

$\sf{4a - 2(3a + 8) = 6}$

Distribute 2 through the parentheses

$\longrightarrow{ \sf{4a - 6a - 16 = 6}}$

Collect like terms

$\longrightarrow{ \sf{ - 2a - 16 = 6}}$

Move 16 to right hand side and change it's sign

$\longrightarrow{ \sf{ - 2a = 6 + 16}}$

Add the numbers: 6 and 16

$\longrightarrow{ \sf{ - 2a = 22}}$

Divide both sides by 2

$\longrightarrow{ \sf{ \frac{ - 2a}{ - 2} = \frac{22}{ - 2}}}$

Calculate

$\longrightarrow{ \sf{a = - 11}}$

Hope I helped !

Best regards! :D

4 0

4 years ago

Please help me with this question #15

statuscvo [17]

The answer is B. You are getting rid of one x is the answer is x^2.

4 0

4 years ago

Which of the following is the solution of 1/4 x+5=7

Inessa05 [86]

Given equation is , $\frac{1}{4}x + 5 = 7$

To find x, first add - 5 on both sides

$\frac{1}{4}x + 5 - 5 = 7 - 5$

$\frac{1}{4}x = 2$

Multiply both side by 4 to isolate x

$4\times \frac{1}{4} x + 5 = 2 \times 4$

$1\times x = 2\times 4$

Now to find x, divide both side by 1

$\frac{1x}{1}= \frac{8}{1}$

x = 8

So option 3 is the answer

3 0

4 years ago