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3 years ago

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Triangle PQR has vertices at the following coordinates : P(0,1) Q(3,2) R(5,-4) . Determine wether or not triangle PQR is a right

triangle . Show all calculations for full credit .

1 answer:

lord [1]3 years ago

8 0

Here is my answer. Hope this help.

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Water flows at a rate of 9000 cubic inches per minute into a cylindrical tank. the tank has a diameter of 144 inches and a heigh

valkas [14]

V = π*r^2*h
(9000 in^3/min)*(10 min) = π*(72 in)^2*h
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4 years ago

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Aiden estimates the length is 7.2 but it’s 6.5 what’s the percent error

IrinaVladis [17]

Percent error is 10.7%

Step-by-step explanation:

We need to find the percent error:

We are given:

Estimate value = 7.2

Actual value = 6.5

Percent Error=?

The formula used is:

$Percent\,\,Error=\frac{Estimate\,\,value-Actual\,\,value}{Actual\,\,value}\times100\\$

Putting values:

$Percent\,\,Error=\frac{7.2-6.5}{6.5}\times100\\Percent\,\,Error=\frac{0.7}{6.5}\times100\\Percent\,\,Error=0.107\times100\\Percent\,\,Error=10.7%\\$

So, Percent error is 10.7%

Keywords: Percent Error

Learn more about Percent Error at:

#learnwithBrainly

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3 years ago

what is equivalent to −3.5(2 − 3n) − 2.5n? A. −7 − 8n B. −7 + 8n C. −7 − 13n D. −7 − n(10.5 − 2.5) E. −7 + n(10.5 − 2.5)

inna [77]

−3.5(2 − 3n) − 2.5n

distribute

-7 -10.5n -2.5n

-7 -13n

Choice C

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3 years ago

Y=2(x+4)+5 I need help with this question

34kurt

When simplified, y=2(x+4)+5 equals y=2x+13

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ILL MARK BRAINLIST

Mkey [24]

Answer:

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Step-by-step explanation:

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