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Black_prince [1.1K]
3 years ago
5

Which of the following expressions are equivalent

Mathematics
1 answer:
gtnhenbr [62]3 years ago
6 0

Answer:

where's the equations and expressions..?

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Solve using system of equations algebraically<br> y=2x-3 <br> x+y=18
Hitman42 [59]

Answer:

<em>(7, 11)</em>

Step-by-step explanation:

y = 2x - 3 .... (1)

x + y = 18 .... (2)

(1) ----> (2)

x + 2x - 3 = 18 ⇒ <u><em>x = 7</em></u>

y = 2(7) - 3 ⇒ <u><em>y = 11</em></u>

<em>(7, 11)</em>

6 0
3 years ago
In 2015, the price of a business math text rose to $200. This is 8% more than the 2014 price. What was the old selling price?
lakkis [162]
Old price=new price/(1+inflated rate)
=2000/(1+1.08)
=185.19 (approximately)
7 0
3 years ago
Henry rolls a standard six-sided die, numbered from 1 to 6. Which word or phrase describes the probability that he will roll a m
DanielleElmas [232]
The answer I would assume is C
7 0
2 years ago
What is the answer 2y 5x=6
denis-greek [22]
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4 0
3 years ago
4 corners again<br> -9a + 3b - a + 7b - 13 + a - 10<br> Sorry for the questions pls help
eimsori [14]

Answer:−9a+10b−23

Step-by-step explanation:−9a+3b−a+7b−13+a−10

Combine −9a and −a to get −10a.

−10a+3b+7b−13+a−10

Combine 3b and 7b to get 10b.

−10a+10b−13+a−10

Combine −10a and a to get −9a.

−9a+10b−13−10

Subtract 10 from −13 to get −23.

−9a+10b−23

8 0
2 years ago
Read 2 more answers
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