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Artyom0805 [142]
2 years ago
5

X =x=x, equals ^\circ ∘

Mathematics
1 answer:
Setler79 [48]2 years ago
6 0

Answer:

x = 25°

Step-by-step explanation:

Hello!

25° and x° are vertical angles, therefore they are equal to each other.

Vertical angles are angles formed by two intersecting lines that are non-adjacent.

The angle to the right of 80° would be 55°, because the sum of angles on a line is 180°.

Angle x would be 25° because the other straight line contains angles 80°, 50° and x°.

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A coin was flipped 150 times. The results of the experiment are shown in the following table:
Basile [38]
<h2>Answer:</h2>

The statement that best describes the experimental probability of getting heads is:

       It is 10% higher than the theoretical probability.

<h2>Step-by-step explanation:</h2>

We know that the theoretical probability of getting head is: 0.5

and the theoretical probability of getting tail is: 0.5

Also, the results of experiments are:

          Heads        Tails

           90                60

This means that the experimental probability of getting head is: 90/150=3/5=0.6

and the experimental probability of getting tail is: 60/150=2/5=0.4

Hence, the experimental and theoretical probability of getting head is not same or equal.

Also, the experimental probability of getting head is more than the theoretical probability  of getting head and the percent increase is calculated as:

(0.6-0.5)\times 100\\\\\\=(0.1)\times 100\\\\=10\%

8 0
3 years ago
Read 2 more answers
Please i need answer ASAP find the area of each shapes ​
zvonat [6]

Answer:

\huge\boxed{c)\ A=104\ m^2}\\\boxed{d)\ A=200\ cm^2}

Step-by-step explanation:

They are the trapezoids. The formula of an area of trapezoid is:

A=\dfrac{b_1+b_2}{2}\cdot h

b_1;\ b_2 - <em>parallel bases</em>

h - <em>height</em>

<em />

<h3>c)</h3>

<em />b_1=16m\\b_2=10m\\h=8m<em />

<em>substitute:</em>

<em />A=\dfrac{16+10}{2}\cdot8=\dfrac{26}{2}\cdot8=13\cdot8=104\ (m^2)<em />

<h3>d)</h3>

<em />b_1=35cm\\b_2=15cm\\h=8cm<em />

<em>substitute</em>

A=\dfrac{35+15}{2}\cdot8=\dfrac{50}{2}\cdot8=25\cdot8=200\ (cm^2)

5 0
4 years ago
If the ratio of boys to girls is 1:4 and there are 20 girls in your class, how many boys are there?
Sonja [21]

Answer:

Step-by-step explanation:

5 boys

8 0
3 years ago
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How many days is 6 years?
Mamont248 [21]

<em>Hello Pal,</em>

<em>Your answer would be</em>

<em>2190</em>

<em>6 (years) = 2190 (days)</em>

4 0
4 years ago
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If there are 7.5 gallons in every cubic foot, how many gallons of water are needed to fill a pool that is 50 feet long, 30 feet
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