2 years ago

Please help i am giving away brainiliest

Mathematics

1 answer:

Ede4ka [16]2 years ago

3 0

Answer: b is the answer

Step-by-step explanation: have a nice day

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One cubic foot of sand should be $11.25. You can find this answer by dividing the first price by 3, because there are 3 feet in a yard.

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3 years ago

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2 years ago

Lucinda buys 2,4 metres of curtain material that is priced at $6.99 per metre.

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Answer:

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Step-by-step explanation:

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3 years ago

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What is 80% rounded to the nearest tenth?

Sauron [17]

Answer:

Step-by-step explanation:

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2 years ago

A line contains the points R (-1, 8) S (1, 4) and T (6, y). Solve for y. Be sure to show and explain all work.

Nikitich [7]

Given:

A line contains the points R(-1, 8), S(1, 4) and T(6, y).

To find:

The value of y.

Solution:

Three points are collinear if:

$x_1(y_2-y_3)+x_2(y_3-y_2)+x_3(y_1-y_2)=0$

A line contains the points R(-1, 8), S(1, 4) and T(6, y). It means, these points are collinear.

$-1(4-y)+1(y-8)+6(8-4)=0$

$-4+y+y-8+48-24=0$

$2y+12=0$

Subtract 12 from both sides.

$2y=-12$

Divide both sides by 2.

$y=\dfrac{-12}{2}$

$y=-6$

Therefore, the value of y is -6.

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3 years ago