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sveta [45]
3 years ago
10

How do you solve for x a=2x+6xz

Mathematics
1 answer:
maksim [4K]3 years ago
8 0

a = 2x + 6xz

a = x(2 + 6z) <em>factored out "x" on right side</em>

a/(2 + 6z) = x <em>divided both sides by (2 + 6z)</em>

Answer: x = \frac{a}{2 + 6z}

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Which function is the inverse of f Superscript negative 1 Baseline (x) = negative one-fifth x minus four-fifths?
DedPeter [7]

Answer:

f(x) = -5x - 4

Step-by-step explanation:

We want to get the inverse of the following function:

f^-1(x) = (-1/5)x - 4/5

To do that, we have to replace x with f(x) and f^-1(x) with x, as follows:

x = (-1/5)f(x) - 4/5

And then solve for f(x), the inverse of f^-1(x).

x + 4/5 = (-1/5)f(x)

f(x) = -5x + (-5)4/5

f(x) = -5x - 4

To check our result we compute a pair (x, f(x))

x   f(x)

1   -5*1 - 4 = -9

which has to be equivalent to (-9, 1) in the original function

x      f^-1(x)

-9     (-1/5)*(-9) - 4/5 = 1

5 0
3 years ago
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Lea is reading a book that is 165 pages. She reads 15 pages each day. Which equation can be used to determine the number of days
Nezavi [6.7K]

Answer:

C

Step-by-step explanation:

7 0
3 years ago
Jessica has $50 to spend on new clothes.
Zigmanuir [339]

Answer:

Answer: No

Step-by-step explanation:

You multiply 48 ×0.06 which is $2.88 in tax so it will bring the total to 51.08

4 0
2 years ago
Which terms could be used as the first term of the expression below to create a polynomial written in standard form?
Tamiku [17]

Answer:

5s⁷/6

s⁵

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4r/5⁶ can't be the first term.

We start with the highest degree term

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3 years ago
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kumpel [21]

Answer:

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3 years ago
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