3 years ago

Which is not an equation of the line going through (3, -6) and (1,2)

Mathematics

1 answer:

a_sh-v [17]3 years ago

8 0

Jansjsjxjjsjshjebsujndjjhhjjj

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Number 11. It's solving equations containing parentheses and having the variable in both sides.

Zielflug [23.3K]

$11.\\\\2(6d+3)=18-3(16-3d)\\\\12d+6=18-48+9d\\\\12d-9d=18-48-6\\\\3d=-36\\\\d=-12$

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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)
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3 years ago

Solve the following system of equations by using the provided grid: y= -x + 3, y = 3/2x - 2

GenaCL600 [577]

Y = -x + 3
y = 3/2x - 2

-x + 3 = 3/2x - 2....multiply everything by 2 to get rid of the fraction
-2x + 6 = 3x - 4
-2x - 3x = -4 - 6
-5x = -10
x = -10/-5
x = 2

y = -x + 3
y = -2 + 3
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solution is (2,1)

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3 years ago

SQUARE ROOTS<br> 2x2 +50 =-166

Nataly_w [17]

Answer:

Its a wrong i teaching 2*2=4 Cause 4+50=54 -Its a correct

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3 years ago

Find the distance between points P(2, 2) and Q(7, 4) to the nearest tenth.

kirill115 [55]

The formula of a distance between two points:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

We have the points P(2, 2) ans Q(7, 4). Substitute:

$|PQ|=\sqrt{(7-2)^2+(4-2)^2}=\sqrt{5^2+2^2}=\sqrt{25+4}=\sqrt{29}\approx5.4$

<h3>Answer: PQ = 5.4</h3>

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3 years ago