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hodyreva [135]
3 years ago
8

Simplify the expression

Mathematics
2 answers:
asambeis [7]3 years ago
6 0

Answer:

B

Step-by-step explanation:

given

- 4x²(3x - 7)

multiply each term in the parenthesis by - 4x²

= (-4x² × 3x) + ( - 4x² × - 7)

= - 12x³ + 28x² → B



Xelga [282]3 years ago
3 0

Answer:

the simplified expression is -12x^3+28x^2

B is the correct option.

Step-by-step explanation:

We have been given the expression -4x^2(3x-7)

Using the distributive property a(b+c)=ab+ac and simplify

-4x^2(3x-7)\\\\=-4x^2\cdot3x+(-4x^2\cdot(-7))\\\\=-12x^3+28x^2

Therefore, the simplified expression is -12x^3+28x^2

B is the correct option.

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What is 9/16 x 12/13 and 7/10 x 5/28
lilavasa [31]

Answer:

1. 9/16 * 12/13 = 27/52

2. 7/10 * 5/28 = 1/8

Step-by-step explanation:

1.

9 / 16 * 12/13

9 * 12 = 108

16 * 13 = 208

108 / 208

Simplify:

27/52


2.

7 / 10 * 5 / 28

7 * 5 = 35

10 * 28 = 280

Simplify:

1/8

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3 years ago
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2. Estimate the square root of the following
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Answer:

1..9.9

2....23.9

3...106.9

4....21.8

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Divide the following polynomials, then place the answer in the proper location on the grid. Write the answer in descending power
balandron [24]
By synthetic division, the quotient (4x^2 -10x -24)/(2x +3) is 2x -8.

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You have not actually said what division you want performed.

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Ricky has seven dollars and one cent.<br> How is that amount written using a dollar sign?
Mashcka [7]

Answer:

$7.01

Step-by-step explanation:

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Find the point that is 3/4 of the distance P (-6,-5) to the point Q (2,7)
Zarrin [17]

Using proportions, the coordinates of the point 3/4 of the way from P to Q are: (0,4).

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.

We want to find the coordinates of point M(x,y) 3/4 of the way from P to Q, hence the rule is given by:

M - P = 3/4(Q - P)

For the x-coordinate, we have that:

x + 6 = 3/4(2 + 6)

x + 6 = 6

x  = 0.

For the y-coordinate, we have that:

y + 5 = 3/4(7 + 5)

y + 5 = 9.

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The coordinates are (0,4).

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

8 0
1 year ago
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