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aleksandr82 [10.1K]
2 years ago
15

-2=12/x pleasee answer

Mathematics
1 answer:
Alecsey [184]2 years ago
6 0

Answer:

Step-by-step explanation:

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Which descriptions are true of the function shown in the table? Check all that apply.
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Linear

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Step-by-step explanation:

on edge 2020

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2 years ago
Simplify 18 - 2[x + (x - 5)].
MissTica
18 - 2[x + (x-5)]
First I would get rid of the inside parenthesis by distributing the + to everything inside and end up with;

18 - 2[x + x - 5]
Then I'd combine like terms inside the brackets
18 - 2[2x - 5]
Then I'd multiply what is inside the brackets by the -2
18 - 4x + 10
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3 years ago
Solve the inequality. Check your solutions.
Komok [63]
The inequality is 

7- \frac{2}{b}\ \textless \ \frac{5}{b}

write 7 as 7b/b to have all the expressions in common denominator:

\frac{7b}{b} - \frac{2}{b}\ \textless \ \frac{5}{b}

\frac{7b-2}{b} \ \textless \ \frac{5}{b}

\frac{7b-2}{b}- \frac{5}{b}\ \textless \ 0

\frac{7b-2-5}{b}\ \textless \ 0

\frac{7b-7}{b}\ \textless \ 0

\frac{7(b-1)}{b}\ \textless \ 0

here b=1 is a root and b=0 is not in the domain of the expression, but it still has an effect in the sign of the expression.

the sign table of \frac{7(b-1)}{b} is :

+++++++[0] --------[1] +++++

this means that for values of b to the left of 0 and to the right of 1, the expression is positive, and for values of b in (0, 1), the expression is negative.

that is \frac{7(b-1)}{b}\ \textless \ 0 for b∈(0, 1)

Answer: (0, 1)
8 0
3 years ago
This question is about Domain and Range. plz don't answer if u don't know.
drek231 [11]

no.1 is -4

no.2 is -2

5 0
2 years ago
40⋅8−10^2= ? WHAT DO ANYONE KNOW THIS ANSWER. ORDER OF OPERATIONS....
never [62]

Answer: 220

Step-by-step explanation:

4 0
2 years ago
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