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motikmotik
4 years ago
12

Distribute –2 (–2 – 5x2).

Mathematics
1 answer:
lara31 [8.8K]4 years ago
8 0

Answer:

4 + 10x^2

Step-by-step explanation:

–2 (–2 – 5x^2)

Distribute

-2 *-2 -2*-5x^2

4 + 10x^2

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Which answer describes the restrictions for the variables x+1/x-4?
MakcuM [25]
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5 0
3 years ago
Read 2 more answers
Frankie earns $5 each time he babysits his little sister. He has saved $30. Frankie wants to save $52 to buy a new skateboard. W
inessss [21]

Answer:

Frankie will need to babysit for 4.4 time.

Step-by-step explanation:

We are given the following in the question:

Money earned by Frankie each times he babysits = $5

Money saved = $30

Total money Frankie wants to save for a skateboard = $52

Amount of money to be saved =

Total amount of money Frankie wants to save for a skateboard - Money saved already

= 52-30\\=22\$

He needs to save $22 more.

Let x be the number of times Frankie will need to babysit.

Thus, we can write the equation:

5x = 22\\\\\Rightarrow x = \dfrac{22}{5}\\\\\Rightarrow x = 4.4

Thus, Frankie will need to babysit for 4.4 time.

7 0
3 years ago
Could you check if mine is right? If not please slove​
maksim [4K]

Answer:

no, it’s not correct

Step-by-step explanation:

I just know, it would be the second one

6 0
3 years ago
5. Two shelves are on a wall with one directly above the other. One shelf is 4 5/6 feet above the floor and the other is 5% 9/10
Levart [38]
5 9/10 - 4 5/6 = (5x10+9)/10 - (4x6+5)/6 = 59/10 - 29/6 = 177/30 - 145/30 = 32/30 = 1 1/15 feet apart
5 0
3 years ago
What is the domain of f(x)=9-x2
son4ous [18]

The domain is all real number

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