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3 years ago

I need help ASAP please. Brainliest

Mathematics

1 answer:

Ganezh [65]3 years ago

5 0

Answer:

see below

Step-by-step explanation:

The two terms 9 and -10 can be combined to give -1.

The two terms 2x and -18x can be combined to give -16x.

Fully simplified, the expression would be ...

-16x +14y -1

Anything with different coefficients is not equivalent. Anything with only one pair of terms combined is "not fully simplified."

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Find the solution to the system of equations.

goldenfox [79]

Substitute

4x+2=x-4

Then solve

3x=-6

x=-2

Substitute answer into an equation to find y

y=-2-4

y=-6

So you solution is:

(-2,-6)

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3 years ago

Find m∠Y if m∠Y is six more than three times its supplement.

Svetlanka [38]

To answer this item, we let x be the measure of angle Y. If we say supplement, it is understood that when we sum up the measures of the two angles (angle Y and its supplement) the answer should be 180. Therefore the other angle is 180-x. Going back to the condition given in this item, we will be able to generate an equation,
x = 3(180 - x)
The value of x from the equation is 135. Thus, m∠Y is 135°.

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3 years ago

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A frame is marked down by 22 percent from an original price of $14.50. What is the new price?

nydimaria [60]

Answer:

$11.31

Step-by-step explanation:

$14.50x .22= 3.19

$14.50- 3.19= 11.31

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3 years ago

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PROBLEM. 11.1: Rewrite These! Rewrite each quotient as a sum or a difference.

Jet001 [13]

Answer:

1. (4x-10)/2

4x/2 - 10/2

2x - 5

2. (1-50x)/-2

1/-2 -50x/-2

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(5x + 50)/25

5x/25 + 50/25

1/5 x + 2

4.(-0.2x + 5)/2

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3 years ago

You invest $5,000 in a savings account that earns 6% interest each year.

weqwewe [10]

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B. Multiply the new amount, or $5300 by .06, and add it back to $5300 to get the total after 2 years. This is $5618.

A. $5300
B. $5618

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3 years ago