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3 years ago

Use the distributive property to simplify the expression: 5(-3x-7)

Mathematics

2 answers:

mixer [17]3 years ago

6 0

5(-3x-7) (first multiply 5 to -3x then to -7)
-15x-35.
The answer is D) -15x-35

Ganezh [65]3 years ago

6 0

The answer is D. multiply 5 and -3x to get -15x.multiply 5 and -7 to get -35
pit it together to form D.

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The function f(x) = 2x2 + 6x - 12 has a domain consisting of the integers from -2 to 1, inclusive. Which set represents the corr

Dimas [21]

Answer:

[-16,-4]

Step-by-step explanation:

We are given that

$f(x)=2x^2+6x-12$

Domain=[-2,1]

We have to find the set of range values of f(x).

Substitute x=-2

$f(-2)=2(-2)^2+6(-2)-12$

$f(-2)=-16$

Substitute x=1

$f(1)=2(1)+6(1)-12=-4$

Range of f(x)=[-16,-4]

Hence, the set of range values of f(x)

[-16,-4]

7 0

3 years ago

Evaluate 2(4-1)^2 A. 60 B. 30 C. 18 D. 36

iogann1982 [59]

Remember the rules of PEMDAS

1. First you want to evaluate the parentheses. (4-1) = 3

2. Square:
3^2 = 9

3. Multiply: 9*2 = 18

Your answer is C

4 0

3 years ago

CAN SOMEONE HELP ME WHAT IS 18*29

Llana [10]

Answer: if it's 18 times 29 then it's 522. If it's 18 to the power of 29 it's 2.52873108 times 10^36 (decimal form)

Step-by-step explanation:

8 0

3 years ago

Lilly has 8 dollars.She needs 80 dollars for a new bike.How much more monney does she need

Viktor [21]

To solve this, just take $80 and subtract her amount of money she has now, which is 8. $80-$8=$72

She needs $72

3 0

3 years ago

Read 2 more answers

What is the perimeter of the actual garden?

Lilit [14]

Answer: 576 inches or 48 feet

Step-by-step explanation:

set up a proportion where $\frac{drawing AB}{actual AB} =\frac{drawing perimeter}{actual perimeter}$

so you get drawingAB = 24 in

actualAB = 18 feet = 18 * 12 in = 216 in

drawing perimeter = 64 in

so plug these in to get $\frac{24}{216} =\frac{64}{actual perimeter}$

rearrange to get $actual perimeter = \frac{216 * 64}{24}$

and solve to get 576 inches or 576/12 = 48 feet

4 0

3 years ago