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dmitriy555 [2]
1 year ago
14

CF is a straight line.

Mathematics
1 answer:
Trava [24]1 year ago
4 0

Step-by-step explanation:

When you move point A horizontally to the right or left, the measures of angles ADC and ADE change, but the sum of their measures is always 180° since angles ADC and ADE are a linear pair and are supplementary, so the sum of their measures is 180°.

The same is true of point B moving horizontally and the measures of angles BEF and BED.

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May someone help, please ? Thank you ♥️
koban [17]
My final answer is (C) because for the side lenghts to be a right triangle, the values of the first and second terms should be equal to the third (a^2 and b^2 =c^2) hope that helped (:
3 0
3 years ago
What is the factor of y^3-9y^2+y-9=0​
Mariana [72]

Answer:

Step-by-step explanation:Factor the left side of the equation.

Tap for more steps...

(

y

−

1

)

(

y

2

+

9

)

=

0

Set  

y

−

1

equal to  

0

and solve for  

y

.

Tap for more steps...

y

=

1

Set  

y

2

+

9

equal to  

0

and solve for  

y

.

Tap for more steps...

y

=

3

i

,

−

3

i

The solution is the result of  

y

−

1

=

0

and  

y

2

+

9

=

0

.

y

=

1

,

3

i

,

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3

i

8 0
3 years ago
About waves speed i want information about waves speed
Goryan [66]

Answer:

Wave speed is the distance that a wave travels in a given amount of time. Wave speed is related to wave length and wave frequency. Wave frequency can be found by using the formula Speed=wavelength × frequency

Step-by-step explanation:

6 0
3 years ago
How much does Kelly make an hour if she worked 35 hours and made $323.75 this<br> week?
Dvinal [7]

Answer: $9.25 an hour

Step-by-step explanation:

8 0
3 years ago
Based on a​ survey, assume that 43​% of consumers are comfortable having drones deliver their purchases. Suppose we want to find
svlad2 [7]

Answer:

The probability of getting two consumers comfortable with drones is 0.3424.

Step-by-step explanation:

The probability that a consumer is comfortable having drones deliver their purchases is, <em>p</em> = 0.43.

A random sample of <em>n</em> = 5 consumers are selected, and exactly <em>x</em> = 2 of them are comfortable with the drones.

To compute the probability of getting two consumers comfortable with drones followed by three consumers not​ comfortable, we will use the Binomial distribution instead of the multiplication rule to find the probability.

This is because in this case we need to compute the number of possible combinations of two consumers who are comfortable with drones.

So, <em>X</em> = number of consumers comfortable with drones, follows a Binomial distribution with parameters <em>n</em> = 5 and <em>p</em> = 0.43.

Compute the probability of getting two consumers comfortable with drones as follows:

P(X=x)={5\choose x}\ 0.43^{x}\ (1-0.43)^{5-x};\ x=0,1,2,3...

P(X=2)={5\choose 2}\ 0.43^{2}\ (1-0.43)^{5-2}

               =10\times 0.1849\times 0.185193\\=0.342421857\\\approx 0.3424

Thus, the probability of getting two consumers comfortable with drones is 0.3424.

4 0
3 years ago
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