3 years ago

X^2 - x - 60 factor it

Mathematics

1 answer:

s344n2d4d5 [400]3 years ago

3 0

I wrote my decision of this example on a piece of paper.

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50 POINTS AND MARK BRAINLIEST

givi [52]

Step-by-step explanation:

a) Using the distance formula,

$RS=\sqrt{(2-4)^{2}+(3-4)^{2}}=\sqrt{4+1}=\boxed{\sqrt{5}}\\ST=\sqrt{(4-5)^{2}+(4-0)^{2}}=\sqrt{1+16}=\boxed{\sqrt{17}}\\RT=\sqrt{(2-5)^{2}+(3-0)^{2}}=\sqrt{9+9}=\boxed{3\sqrt{2}}$

b) Using the slope formula,

$m_{\overline{RS}}=\frac{4-3}{4-2}=\boxed{\frac{1}{2}}\\m_{\overline{ST}}=\frac{0-4}{5-4}=\boxed{-4}\\m_{\overline{RT}}=\frac{0-3}{5-2}=\boxed{-1}$

c) The triangle is <em>scalene</em> because each of the sides is of a different length.

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2 years ago

Sarah will mix yellow paint and red paint in the ratio 2 parts yellow to 3 parts red to create a certain shade of orange paint.

enyata [817]

Answer:

D. 59.50$

Step-by-step explanation:

Lets make an equation:

we know she is going to use 2 parts of yellow to 3 parts of red and she needs 10 quarts, therefore the equation would be:

2x+3x=10

x = 2

2 * 2 = 4( we need four quarts of yellow paint)

Price for yellow paint = 4 * 5.50 = 22

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Price for red paint = 6 * 6.25 37.5

Add those prices: 37.5 + 22 = 59.50$

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EastWind [94]

C.) 344.50

Take what she paid before tax (325) and multiply it by 1.06 (the tax rate) and there's your answer.

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4 years ago