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Ne4ueva [31]
3 years ago
11

If f (x) = -2/3x -1 what is the value of f (9)

Mathematics
1 answer:
Readme [11.4K]3 years ago
8 0
I hope this help you. Good luck

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Which of the following is the correct graph of the solution to the inequality −18 > −5x + 2 ≥ −48?
monitta

Answer:

Option D. A number line with an open circle on 4 with shading to the right and a closed circle on 10 with shading to the left

Step-by-step explanation:

we have

-18 > -5x+2 \geq -48

Divide the compound inequality into two inequalities

-5x+2 \geq -48 -----> inequality A

-5x \geq -48-2

-5x \geq -50

Multiply by -1 both sides

5x \leq 50

Divide by 5 both sides

x \leq 10

The solution of inequality A is the interval ----> (-∞,10]

All real numbers less than or equal to 10

-18 > -5x+2 -----> inequality B

-18-2 > -5x

-20 > -5x

Multiply by -1 both sides

20 < 5x

Divide by 5 both sides

4 < x

Rewrite

x > 4

The solution of the inequality B is the interval ----> (4,∞)

All real numbers greater than 4

The solution of the compound inequality is

(-∞,10] ∩ (4,∞)= (4,10]

All real numbers greater than 4 and less than or equal to 10

A number line with an open circle on 4 with shading to the right and a closed circle on 10 with shading to the left

8 0
3 years ago
Read 2 more answers
What is the product of (1x-7)(2x^3-5x+3)
Nana76 [90]
You would distribute each number. Then afterwards simplify what you have into standard form. Once you have it in standard form you use the quadratic formula. The end answers are 1 and 7

8 0
3 years ago
What is the ascending order of 2.5, 3/4, 107%
sergey [27]

Lets put everything into decimal form

2.5=2.5

3/4=0.75

107%=1.07

Order:

0.75, 1.07, 2.5

3/4, 107%, 2.5

5 0
3 years ago
Read 2 more answers
Plz help no links or downloads.
Cloud [144]

Answer:

DEF is acute (smaller than 90°...small = “cute” is what I tell my kids)

Triangle is equilateral

equi = equal

Lateral = sides

4 0
3 years ago
1. Define the word "ratio."
wolverine [178]
1. A ratio shows the relative sizes of two or more values
2. The ratio is 1:6
6 0
3 years ago
Read 2 more answers
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