MATHEMATICS MIDDLE SCHOOL

Multiply the polynomials: (2x^2 + 6x + 6)(3x -2)?

Answers

Answer 1
Answer:

Answer:

6x^(3) +14x^(2) +6x-12

Step-by-step explanation:

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How many times greater is 70,000,000 ( 70 million) than 7,000,000 (7 million) ?

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70,000,000 is 10 times greater than 7,000,000

Fraction in between 3/5 4/5

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3 3/5 4 4/5 it has to to be 4 because that's what's in the middle

What is 29678900522 in scientific notation?

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the answer is 2.9 x 10^10 in the calculator it is 2.9E10

For a school fund raising project, Aiden and Jacob collected money in the ratio of 3.5 : 6.8. Jacob collected $115.50 more than Aiden. Find the total amount of money they collected.

Answers

x - the amount of money collected by Aiden
y - the amount of money collected by Jacob

Aiden and Jacob collected money in the ratio of 3.5 : 6.8.
(x)/(y)=(3.5)/(6.8) \n6.8x=3.5y \nx=(3.5)/(6.8)y \n x=(35)/(68)y

Jacob collected $115.50 more than Aiden.
x+115.5=y \nx=y-115.5 \n \nx=x \n(35)/(68)y=y-115.5 \n(35)/(68)y-y=-115.5 \n(35)/(68)y-(68)/(68)y=-115.5 \n-(33)/(68)y=-115.5 \ny=-115.5 * (-(68)/(33)) \ny=238 \n \nx=y-115.5=238-115.5=122.5 \n \nx+y=238+122.5=360.5

The total amount of money they collected is $360.50.

Claire walked 2 2/5 miles. Jason walked 2/3 as far as Claire. How many miles did Jason walk?

Answers

Answer:

Step-by-step explanation:

1486

Answer:

Step-by-step explanation:

1486

Angie score 91 points on a test Mom I received a 65% grade on the test how many points are possible on the test

Answers

I am guessing that the 91 points are the 65%. I do not completely understand the question but this is my best analysis. So from my perception of the question is that the 91 points are equal 65%.  This equation is just saying: 
91 = 0.65x 
So all you have to do is divide each side by 0.65: 
x=140. 
 The number of points possible on the test is 140. Have a splendid day. ;)

(here is the process I did)

91=0.65x
Step 1: Flip the equation.
0.65x=91

Step 2: Divide both sides by 0.65.
0.65x/0.65 = 91/0.65x = 140

Answer: x = 140
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