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Pavel [41]
3 years ago
7

Subtract and simplify. Show work (-5y^2 – 9y – 4) - (-2y^2– y + 8)

Mathematics
1 answer:
Mars2501 [29]3 years ago
4 0
Subtract:-8y+2y^2-37 Explanation: you will start off by simplifying each term so you would raise 5 to the power of 2 and get -1x25-9y-4-(-2y2-y+8) and you then multiply -1 by 25 so you would do -25-9y-4-(-2y^2-y+8) and then you would apply distributive property so you would do -25-9y-4+(2y^2)- -y-1x8 and then you simplify and get -25-9y-4+2y^2+y-8 and lastly you would simplify by adding terms so you would subtract 4 from -25 so do −9y-29+2y^2+y-8. And then add -9y and y by doing -8y-29+2y^2-8 and subtract 8 from 29 and get your answer as -8y+2y^2-37
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3.2x3 + 4.8x +3.7<br> 2.1x3 +6.3x - 2.9
inna [77]

Answer:

5.3x^3+11.1x+0.8

Step-by-step explanation:

Add ones with similar variables

5.3x^3+11.1x+0.8

8 0
3 years ago
Read 2 more answers
What is 1000000000000+10000000000000000078787787878
Alex777 [14]
<span>10000000000000000078787787878
</span><span>                             + 1000000000000
= </span>10000000000000001078787787878

I feel like think was a troll question, but still did it anyway.
6 0
4 years ago
Find 4 consecutive odd numbers such that twice the sum of the least 2 numbers is 40 less than three times the sum of the greates
ANTONII [103]
4 consecutive odd numbers....x, x + 2, x + 4, x + 6

2(x + x + 2) = 3(x + 4 + x + 6) - 40
2(2x + 2) = 3(2x + 10) - 40
4x + 4 = 6x + 30 - 40
4x + 4 = 6x - 10
4x - 6x = -10 - 4
-2x = - 14
x = -14/-2
x = 7

x + 2 = 7 + 2 = 9
x + 4 = 7 + 4 = 11
x + 6 = 7 + 6 = 13

ur numbers are : 7,9,11,13 <==
4 0
4 years ago
Need help before 7:05am and have to show my work THE EQUATIONS IS ON THE PAPER
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Please share the equation.
5 0
4 years ago
When x^3 + 2x^2 - 7x + a is divided by (x-2) the remainder is 4. Find the value of a. Please help
12345 [234]

Answer:

a = - 8

Step-by-step explanation:

A polynomial divided by factor (x - h) has a remainder given by f(h)

Here the divisor is (x - 2), thus f(2) gives the remainder, that is

2³ + 2(2)² - 7(2) + a = 4 ← 4 being the remainder

8 + 8 - 14 + a = 4, that is

12 + a = 4 ( subtract 12 from both sides )

a = - 8

5 0
3 years ago
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