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MakcuM [25]
3 years ago
6

Find the value of the variable

Mathematics
1 answer:
marissa [1.9K]3 years ago
8 0

Answer:

x=13

Step-by-step explanation:

because they're alternate adjacent angles:

5x=78-x

6x=78

x=13

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Describe the zeros of the graphed function.
Gnesinka [82]

Answer:

A

Step-by-step explanation:

it intersects x axis at three points.

if my answer helps please mark as brainliest.

7 0
2 years ago
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For what values of x and y must each figure be a parallelogram?
Illusion [34]

Answer:

x=11,y=10.

Step-by-step explanation:

The diagonals of a parallelogram bisect each other.

We can form an equation in x and y using this property.

2y+2=2x

and x+9=2y.

Solving the second  equation for x ,

x=2y-9.

Substituting x value in 2y+2=2x

2y+2=2(2y-9)

Or ,2y+2=4y-18.

Adding 18 both sides:

2y+20=4y.

Subtracting 2y both sides

20=2y.

Dividing both sides by 2:

y=10.

x=2y-9

x=2(10)-9 ( substituting y value)

x=20-9=11

x=11 and y=10 will make the figure a parallelogram.

4 0
3 years ago
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Please help im so confused??<br> What is the surface area of the sphere below?
riadik2000 [5.3K]
First required to be found would be the radius, as you already have, is 5. Then use the formula 4 \pi r ^{2} [/tex], then you would receive the answer, for that would be 314.16.
5 0
2 years ago
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What is the scale factor from ABC to XYZ? <br> A 1/5 <br>B 1/6<br>C 5<br>D 6​
nadya68 [22]
The scale factor is 6
4 0
3 years ago
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Assume that P(E) = 0.471 and P(F) = 0.595. If E and F are independent, find P(E and F)
dsp73

The value of the probability P(E and F) is 0.2802

<h3>Independent probability</h3>

Events are known to be independent if the occurrence of one does not affect the other.

Given the following parameters

P (E) =0.471

P(F) = 0.595

If E and F are independent, then;

P(E and F) = P(E)P(F)

P(E and F)  = 0.471 * 0.595
P(E and F)  = 0.2802

Hence the value of the probability P(E and F) is 0.2802

Learn more on independent events here: brainly.com/question/1374659

#SPJ1

8 0
2 years ago
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