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user100 [1]
3 years ago
6

Solve for X, will mark as brainliest! 6(1+x)+x=-14

Mathematics
2 answers:
Nutka1998 [239]3 years ago
8 0

Answer:

X is equal to -10

Step-by-step explanation:

#1. Multiply 6 to (1+x). Doing this makes this equation: 6+6x+x=-14

#2. Then add 6x and x to get: 7x+6=-14

#3. Then move 6 to other side of equation, while at the same time, changing it's absolute value: 7x=-14-6

#4. now you have: 7x=-20, now just divide 7 by -20 WooHoo! You finished it! you have: -2.85714285714 or 2 and 43/50.

VARVARA [1.3K]3 years ago
8 0

Answer:

x=-2\frac{6}{7}

Step-by-step explanation:

6(1+x)+x=-14

6+6x+x=-14

7x+6=-14

7x=-20

x=-2\frac{6}{7}

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What’s the correct answer for this question?
Katena32 [7]

Answer:

C.

Step-by-step explanation:

It is the complement of the circle in the square

Okay,

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4 0
3 years ago
Maria has a total tax of $3072 and a gross income of $60449. What is her effective tax rate (as a percent)?
Galina-37 [17]

Answer:

Effective tax rate of Maria is 5.08%.

Step-by-step explanation:

Effective tax rate ETR = \frac{Total tax}{gross income}

As a percent we can represent ETR = \frac{Total tax}{Taxable income}×100

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7 0
3 years ago
What are the maximum and minimum of the function f(x) = 0.9 I -(x - 5) I + 7 ? A. Maximum at (5,7) and minimum at (0,0) B. Minim
user100 [1]

Answer:

Minimum = (5,7)

No maximum

Step-by-step explanation:

Given

f(x) = 0.9|-(x - 5)| + 7

Solving (a): The minimum

The minimum is when the absolute parameter gives 0

i.e.

0.9|-(x - 5)| =0

Divide both sides by 0.9

|-(x - 5)| =0

Open bracket

|-x + 5| =0

Remove absolute sign

-x + 5 =0

Collect like terms

x = 5

Then the y value is:

f(x) = 0.9|-(x - 5)| + 7

Recall that: 0.9|-(x - 5)| =0

So, we have:

f(x) = 0 + 7

f(x) = 7

Hence, the minimum is at: (5,7)

Since the minimum is at (5,7), then the graph will open upwards.

Hence. the function has no maximum; i.e.

Maximum = (\infty,\infty)

7 0
3 years ago
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