3 years ago

|x+6|=-7 what’s the absolute value

Mathematics

1 answer:

Keith_Richards [23]3 years ago

4 0

Answer:

x=-14 and x=-1

Step-by-step explanation:

x+6=-7 x-6=-7

x=-14 x=-1

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a student showed the steps below while solving the equation 14=log5(2x-3) by graphing. which step did the student make the 1sr e

mixer [17]

Answer:

$x= \frac{5^{14}+3}{2}$

Step-by-step explanation:

The correct steps to solve the equation are:

$14=log_5(2x-5)$

$5^{14}=5^{log_5(2x-3)}$

Because $a^{log_am}=m$

So, solving we get:

$5^{14}=2x-3$

Sum 3 on every side:

$5^{14}+3=2x-3+3\\5^{14}+3=2x$

Dividing by 2 into both sides:

$\frac{5^{14}+3}{2}=\frac{2x}{2}\\\frac{5^{14}+3}{2}=x$

So, the answer is $x= \frac{5^{14}+3}{2}$

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3 years ago

Tell whether the given value is a solution of the inequality. (yes or no)<br><br> -2 ≤ k/3; k = -9

olga55 [171]

Answer: No, it is not a solution

Work Shown:

-2 ≤ k/3

-2 ≤ -9/3

-2 ≤ -3

The last inequality is false because -3 should be smaller than -2 (not the other way around). Use a number line to help see this.

Since the last inequality is false, the original inequality must also be false for that particular k value. Therefore, k = -9 is not a solution.

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2 years ago

Which steps could be used to solve this story problem?

kap26 [50]

B........................

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3 years ago

Which figure shows that

FromTheMoon [43]

It’s either Option 1 or 4

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3 years ago

Read 2 more answers

Step 3: Multiply by the scalar (1 over the determinant): Aâ’1 = a11 a12 a21 a22 a11 = a12 = a21 = a22 =

dedylja [7]

Answer:

a11 = 1

a12 = -1

a21 = -1.5

a13 = 2

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3 years ago