2 years ago

Solve questions 1-3.Show your work.

Mathematics

2 answers:

AnnyKZ [126]2 years ago

7 0

We need more info
Step explain to

svet-max [94.6K]2 years ago

6 0

I cant see that bs whattttttt

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Click an item in the list or group of pictures at the bottom of the problem and, holding the button down,drag into the correct p

boyakko [2]

Answer:

$\boxed{\sf \ \ 9x^2-18x-7 \ \ divided \ by \ (3x+1) \ is \ (3x-7) \ }$

Step-by-step explanation:

Hello,

let's find a and b reals so that

$9x^2-18x-7=(3x+1)(ax+b)$

$(3x+1)(ax+b)=3ax^2+(3b+a)x+b$

we identify the terms in $x^2$

9 = 3a

we identify the terms in x

-18 = 3b + a

we identify the constant terms

-7 = b

so ti goes with a = 9/3 = 3, b = -7

so we can write

$9x^2-18x-7=(3x+1)(3x-7)$

so $9x^2-18x-7 \ divided \ by \ (3x+1) \ is \ (3x-7)$

hope this helps

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Andrei [34K]

Answer:

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Step-by-step explanation:

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2 years ago

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I can't solve number 12. If you solve the others, much appreciated.

saul85 [17]

Answer is 18 due to the theory cause

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2 years ago

Which decimals are less than –0.8? choose all answers that are correct.

sergey [27]

Answer is A and B
A) -7.13 < -0.8
B) -0.86 < -0.8
C) -0.79 > -0.8
D) 0.846 > -0.8

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Anastasy [175]

Answer: 4.500

Step-by-step explanation:

4x - 18 = 2 • (2x - 9)

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2x = 9

x = 9/2 = 4.500

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