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Lilit [14]
2 years ago
12

Evaluate f(-2) if f(x) = x + 3​

Mathematics
1 answer:
OleMash [197]2 years ago
7 0

Answer:

-2+3=1

Step-by-step explanation:

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(First one)Low - 18
Q1 - 20
Median - 25
Q3 - 30
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5 0
3 years ago
Zach ate breakfast at a restaurant. The bill came to $76. If he left a 15% tip, how much was the tip?​
finlep [7]
If they left 15% the tip should be
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6 0
2 years ago
Simplify the expression to a polynomial in standard form:
lukranit [14]

Answer:

-x^3+7x^2-6x-18

Step-by-step explanation:

Use distributive property: (-x+3)(x^2-4x-6)

What is -x * x^2? Answer: -x^3

What is 3 * x^2? Answer: +3x^2

What is -x * -4x? Answer: +4x^2

What is 3* -4x? Answer: -12x

What is -x * -6? Answer: +6x

What is 3 * -6? Answer: -18

-x^3+3x^2+4x^2-12x+6x-18

Combine like terms, and your answer would be....

-x^3+7x^2-6x-18

Hope this helps :)

Have a great day!

7 0
2 years ago
Find r if 3(r - 7) = 4(2 - 2r) + 4
Arturiano [62]

Answer:

r=3

Step-by-step explanation:

3(r - 7) = 4(2 - 2r) + 4

Distribute

3r -21 = 8 -8r +4

Combine like terms

3r -21 = 12 -8r

Add 8r to each side

3r +8r-21 = 12 -8r+8r

11r -21 = 12

Add 21 to each side

11r -21+21 =12+21

11r = 33

Divide each side by 11

11r/11 = 33/11

r = 3

4 0
3 years ago
Read 2 more answers
Which of the following is an arithmetic sequence with common difference 2
Marta_Voda [28]

Answer:

D

Step-by-step explanation:

4 0
3 years ago
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