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hammer [34]
3 years ago
14

Gregory predicts that 310 people will attend the spring play. And there was an actual total of 220 people who attended the sprin

g play. What is the percent error.
Mathematics
1 answer:
rodikova [14]3 years ago
8 0
310 - 220 = 90
90/310 = x/100 (cross multiplication) 
9000 = 310x
9000/310 = x
x = around 29%
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4a=-12

Then divide 4 from both sides.

a=-3

hope it helps!

3 0
3 years ago
As used in line 50, "reason" most nearly means
mr_godi [17]

Correct option is C. As used in line 50, "reason" most nearly means intellect.

<h3>Line from the passage - </h3>

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3 0
2 years ago
Find the volume of a trough 5 meters long whose ends are equilateral triangles, each of whose
yawa3891 [41]

Answer:

V=5\sqrt{3}\ m^3

Step-by-step explanation:

we know that

The volume of a trough is equal to

V=BL

where

B is the area of equilateral triangle

L is the length of a trough

step 1

Find the area of  equilateral triangle B

The area of a equilateral triangle applying the law of sines is equal to

B=\frac{1}{2} b^{2} sin(60\°)

where

b=2\ m

sin(60\°)=\frac{\sqrt{3}}{2}

substitute

B=\frac{1}{2}(2)^{2} (\frac{\sqrt{3}}{2})

B=\sqrt{3}\ m^{2}

step 2

Find the volume of a trough

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B=\sqrt{3}\ m^{2}

L=5\ m

substitute

V=(\sqrt{3})(5)

V=5\sqrt{3}\ m^3

3 0
3 years ago
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Crank

Answer:

1 2/3 inches.

Step-by-step explanation:

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3 years ago
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weqwewe [10]
Do you mean 7 more than the product of 5 and a number? If so the answer is... y=7+5x
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3 years ago
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