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Elis [28]
4 years ago
14

Find the product of (4x − 3)(2x2 − 7x + 1).

Mathematics
1 answer:
Olegator [25]4 years ago
6 0
Multiply each term in the left parentheses by each term in the right parentheses.

=(4x − 3)(2x2 − 7x + 1)

=(4x*2x2) + (4x*-7x) + (4x*1) + (-3*2x2) + (-3*-7x) + (-3*1)
multiply each set of parentheses

=8x3 - 28x2 + 4x - 6x2 + 21x-3
combine like terms

ANSWER:
=8x3 - 34x2 + 25x - 3

Hope this helps! :)
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Asa saves dimes and quarters so that he will have exact change for he bus. He dabs and then dumps the container that he has been
koban [17]

Asa has 15 dimes and 32 quarters.

Step-by-step explanation:

Given,

Total coins = 47

Worth of coins = $9.50 = 9.50*100 = 950 cents

1 dime = 10 cents

1 quarter = 25 cents

Let,

Number of dimes = x

Number of quarters = y

According to given statement;

x+y=47      Eqn 1

10x+25y=950   Eqn 2

Multiplying Eqn 1 by 10

10(x+y=47)\\10x+10y=470\ \ \ Eqn\ 3

Subtracting Eqn 3 from Eqn 2

(10x+25y)-(10x+10y)=950-470\\10x+25y-10x-10y=480\\15y=480

Dividing both sides by 15

\frac{15y}{15}=\frac{480}{15}\\y=32

Putting y=32 in Eqn 1

x+32=47\\x=47-32\\x=15

Asa has 15 dimes and 32 quarters.

Keywords: linear equation, elimination method

Learn more about elimination method at:

  • brainly.com/question/2670657
  • brainly.com/question/2821386

#LearnwithBrainly

7 0
4 years ago
A retiree investment $6,000 in a saving plan that pays 4% per year what will the account balance be at the end of the first year
allsm [11]

Answer:

$6,240

Step-by-step explanation:

$6,000 x .04 = 240

$6,000 + 240 = $6,240

3 0
3 years ago
Help me please for brainiest:(:(:(:(:(
stepan [7]

Answer: I can answer in a bit

I think you have to roll it um untill I roll a 4 I'm srry

Step-by-step explanation:

I need more to answer

6 0
3 years ago
Solve for x.<br> 2x + 20 2x - 4<br> #<br> X =<br> = [?]
Dima020 [189]

alr! so we know that the top line is straight, so it=180 degrees. then we know...

2x + 20 + 2x - 4= 180

4x + 16=180

4x=164

x=82

youre welcome!

4 0
3 years ago
7. Make a box and whisker plot of the following data. Show your work as to how you calculated the different key points on the bo
lutik1710 [3]

Answer:3

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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