PLEASE HELP DUE IN 15 MNUTES MARKING BRAINLIEST AND 15 POINTS YOU DONT HAVE TO EXPLAIN MUCH

Mathematics

1 answer:

hram777 [196]2 years ago

5 0

Answer:

see below

Step-by-step explanation:

11a -2(x^2 -3)

Distribute

-2*x^2 -2(-3)

-2x^2 +6

11b 2x(x+4)

Distribute

2x*x +2x*4

2x^2 +8x

12 The perimeter is the sum of all sides

The top is equal to the bottom and the left side is equal to the right

x-10 + x+20+x-10+x+20

Combine like terms

4x +20

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Could someone help me bc idkk how this works

dmitriy555 [2]

Answer:

the answer is 2.

Step-by-step explanation:

This is because the interest rate is if he had $1 in the account for a year you would add the 18% or in decimel form 0.0018 do that to the 15th to get 15 years and multiply that by 5000 because that was the ammount of money he put in so 5000(1*0.0018)15 or 0.0018^15*5000

5 0

3 years ago

Kelly has 4 times as many songs on her music player as Lou. Tiffany has 6 times as many songs on her

Novosadov [1.4K]

Answer:

113

Step-by-step explanation:

we need to know how much Lou has first !

so we have to do 682 / 6 which = 113

then 113 / 4 = 28.2

28.2 is how much Lou has

so we will go back and multiply the 4