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9966 [12]
3 years ago
9

What is the area of this trapezoid with height 13 units? Please put correct answer

Mathematics
2 answers:
Dmitry [639]3 years ago
7 0

Yo sup??

area of trapezium=1/2*sum of opposite sides* height of trapezium

=1/2*44*13

=22*13

=286 sq units

Hope this helps

tatiyna3 years ago
4 0
The square is put on the units when it is the area of a 2D shape and you cube the units when it’s the area of a 3D shape.

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Precal : Note: Triangle may not be drawn to scale. Suppose a = 3 and A = 15 degrees
drek231 [11]

Given:

In a right triangle at B,

\begin{gathered} a=3 \\ A=15^{\circ} \end{gathered}

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The length of the sides b and c and angle B.

Explanation:

Using the trigonometric ratio,

\begin{gathered} sinA=\frac{a}{c} \\ \sin15^{\circ}=\frac{3}{c} \\ c=\frac{3}{\sin15^{\circ}} \\ c=11.59 \\ c\approx11.6 \end{gathered}

Using the trigonometric ratio,

\begin{gathered} \tan A=\frac{a}{b} \\ \tan15^{\circ}=\frac{3}{b} \\ b=\frac{3}{\tan15^{\circ}} \\ b=11.19 \\ b\approx11.2 \end{gathered}

Using the angle sum property,

The angle B becomes,

\begin{gathered} 90+15+B=180 \\ B=180-90-15 \\ B=75^{\circ} \end{gathered}

Final answer:

The values are,

\begin{gathered} b=11.2 \\ c=11.6 \\ B=75^{\circ} \end{gathered}

3 0
1 year ago
207 divided by 214 in short divison how do i do this?
jek_recluse [69]

Answer:

your answer should be 0.96

Step-by-step explanation:

5 0
2 years ago
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you make a salad and share with friends your sister eats 1/3 of it before they arrive (it is a a and b question pls help)
bagirrra123 [75]

Answer:

Sister Is a PIG

Step-by-step explanation:

and Your Friends Gets her Scraps

3 0
3 years ago
A laptop company claims up to 11.0 hours of wireless web usage for its newest laptop battery life. However, reviews on this lapt
emmainna [20.7K]

Answer:

Step-by-step explanation:

given that a  laptop company claims up to 11.0 hours of wireless web usage for its newest laptop battery life. However, reviews on this laptop shows many complaints about low battery life. A survey on battery life reported by customers shows that it follows a normal distribution with mean 10.5 hours and standard deviation 27 minutes.

convert into same units into hours.

X is N(10.5, 0.45)

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P(X\geq 11)\\\\=1-0.8667\\=0.1333

(b)  the probability that the battery life is less than 10.0 hours

=P(X

(c)  the time of use that is exceeded with probability 0.97

=97th percentile

= 11.844

d)  The time of use that is exceeded with probability 0.9 is

is 90th percentile = 10.885

8 0
3 years ago
What is the value of x?
kykrilka [37]

Answer:

82

Step-by-step explanation:

triangle adds upto 180 degrees

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Then two lines adapt to 180 degrees

therefore, 180 -98 = 82

4 0
3 years ago
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