3 years ago

Can Anyone do this??

Mathematics

1 answer:

larisa86 [58]3 years ago

8 0

Yes all equations in each column are equal

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A line contains (9,y) and (-6,3). It has slope 2/3, find y

koban [17]

The line contains (9,y) and (-6,3) Then y is 13

Solution:

Given that a line contains (9, y) and (-6, 3)

Slope of line is $\frac{2}{3}$

To find: y

The slope of line is given as:

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$\text {Here }\left(x_{1}, y_{1}\right)=(9, y) \text { and }\left(x_{2}, y_{2}\right)=(-6,3)$

Substituting the values in formula,

$m=\frac{3-y}{-6-9}$

Substitute $m = \frac{2}{3}$

$\frac{2}{3}=\frac{3-y}{-6-9}$

2(-6 - 9) = 3(3 - y)

Multiplying the terms with terms inside bracket

-12 - 18 = 9 - 3y

Move the variable to one side

-30 = 9 - 3y

On solving we get,

3y = 30 + 9

3y = 39

Divide both sides by 3, we get

y = 13

Thus y = 13

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4 years ago

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Step-by-step explanation:

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3 years ago

The original price of a silver necklace is $92. How much will Debbie pay if she buys it during the sale?

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What is the sale? $92 ???

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Adam has 16.45 kg of flour,and he uses 6.4 kg to make hot cross buns. The remaining flour is exactly enough to make 15 batches o

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0.67 kg of flour will be in each batch of scones

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3 years ago

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Answer: A) 2/3 is shaded. B) 66.67% is shaded.

Step-by-step explanation:

The whole big triangle holds 9 total triangles in it.

Out of the 9 triangles 6 of them are shaded so the fraction will be 6/9 which reduces to 2/3.

Now convert 2/3 to a decimal to find what percentage is shaded.

2/3 = 0.6666...

0.6666 * 100 = 66.666..

66.666 as a percent is 66.67%

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4 years ago