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inn [45]
3 years ago
8

Who is estimated at 250 people would attend the movie but 255 people actually attended what is the percent error to the nearest

percent of the estimate
Mathematics
1 answer:
stepladder [879]3 years ago
7 0

Answer:

Percent error = 2%

Step-by-step explanation:

Given:

Expected value = 250

Actual value = 255

Find:

Percent error

Computation:

Percent error = [(Actual value - Expected value)/Expected value]100

Percent error = [(255 -250) / 250]100

Percent error = 2%

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ddd [48]
f(x)=5x^2-3\\\\\\
f(x+a)=5(x+a)^2-3=5(x^2+2ax+a^2)-3=\\\\=\boxed{5x^2+10ax+5a^2-3}

On the other hand:

f(x+a)=5x^2+30x+42

so:

10ax=30x\\\\10a=30\qquad|:10\\\\\boxed{a=3}

Answer C.
8 0
3 years ago
Find the area of the figure.
seraphim [82]

\huge \bf༆ Answer ༄

At first Divide the figure into two rectangles, I and Il

Area of figure l is ~

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  • \sf24 \times 10

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  • \sf 18 \times 30

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Area of whole figure = Area ( l + ll )

that is equal to ~

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  • \sf780 \:  \: ft{}^{2}

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2 years ago
Which whole number is less than 1.10?
rusak2 [61]

Answer:

1

Step-by-step explanation:


4 0
3 years ago
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Please help fast, I will give brainliest to whoever does
Harlamova29_29 [7]

Answer:

Ok so first, divide the figure into 2 triangles ABC and ADC

Then, find the area of triangle ABC, base being 10 (5+5) and height being 4

= 1/2 * bh

= 1/2 *  10 * 4

= 20 sq. units

For 2 triangles, 20 * 2 = 40 sq. units

3 0
3 years ago
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Pls help ill give brainliest if correct<br> pic is attached
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Answer:

option 3

Step-by-step explanation:

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