3 years ago

Find the area if the figure in square centimeters

Mathematics

1 answer:

Yuliya22 [10]3 years ago

7 0

Hey i cant see the numbers

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3 years ago

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A package of balloons contains 5 green, 3 yellow, 4 red, and 8 pink balloons. Suppose you reach in the package and choose one ba

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Probability of choosing pink balloon is $\frac{2}{5}$ .

Step-by-step explanation:

Given,

Number of green balloons = 5

Number of yellow balloons = 3

Number of red balloons = 4

Number of pink balloons = 8

Total number of balloons = 5+3+4+8 = 20

To find the probability of pink balloon.

Formula

Probability of an even = number of outcomes ÷ total number of outcomes

So,

Probability of choosing pink balloon = $\frac{8}{20}$ = $\frac{2}{5}$

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Ari's teacher says he may have his report grade based on either the mean or the median of his last six test scores. 88%, 73%, 97

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Both the mean and median
Median 80+88= 168/2= 84%
Mean 504/6= 84%

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88%,
90%,
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4 years ago

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The sun casts a 70 foot shadow on a 30 foot tree. Find the angle of elevation to the nearest degree.

Nesterboy [21]

Answer:

23°

Step-by-step explanation:

We apply Pythagorean theorem to determine the missing length, Hypotenuse:

$h^2+b^2=H^2\\\\70^2+30^2=H^2\\\\H=\sqrt{5800}\\\\=76.15773\ ft$

This hypotenuse corresponds to the right triangle and the tree's height, corresponds to the angle of elevation:

-We apply the law of Sines;

$\frac{a}{Sin \ A}=\frac{b}{Sin\ B}\\\\\\\frac{76.15773}{Sin \ 90}=\frac{30}{Sin\ h}\\\\h=Sin^{-1}\frac{30}{76.15773}\\\\=23.19859\approx 23\textdegree$

Hence, the angle of elevation is 23°

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3 years ago

How is adding two negative fractions similar to adding two negative integers?

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The results will always equal a positive

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