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solmaris [256]
3 years ago
13

Simplify. (-9x^2+3x+5) - (8x^2-5x-6)+(-4x^2 – 2x-8)

Mathematics
1 answer:
leva [86]3 years ago
6 0

Answer:

-21x^2+6x+3

Step-by-step explanation:

distributive property

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The questions are in the pictures:)
JulsSmile [24]

Answer:

4.75 to 7.5

Step-by-step explanation:

just look at it or use a pencil to draw lines to proportion

7 0
2 years ago
If the ratio of purple bikes to red bikes is 8 to 12 and there are a total of 100 bikes, how many of them are purple? * 40 purpl
Marrrta [24]

Answer:

60

Step-by-step explanation:

sum the parts of the ratio, 8 + 12 = 20 parts

Divide the total by 20 to find the value of one part of the ratio

100 ÷ 20 = 5 ← value of 1 part of the ratio , thus

8 parts = 8 × 5 = 40 ← number of purple bikes

4 0
3 years ago
What is 2 plus 2 add 14 subtract 6
olasank [31]

What is 2 plus 2 add 14 subtract 6

2+2+14-6=

12

3 0
2 years ago
Read 2 more answers
Could Someone give me a run down of how these problems are done? i used a calculator to get the answers but now i want to know h
morpeh [17]
It’s just the same as if there were no decimal point. but if there isn’t a number in the quotient on the left of the decimal like #15, then you just place a 0 and continue to the next dividend which is 50.

5 0
3 years ago
Simplify the following expression.<br> 3x4 + 2x3 - 5x2 + 4x2 + 6x-2x-3x4 +7XS - 3X3
Sergio [31]

Answer:

39+4x

Step-by-step explanation:

Since two opposites add up to zero, remove them from the expression

2x3-5x+2+4x2+6x-2x+7x5

Calculate the sum or difference

39+6x-2x

5 0
2 years ago
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