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slava [35]
3 years ago
14

Find an angle such that is 4 times its complement equals 200°

Mathematics
2 answers:
Ivanshal [37]3 years ago
8 0

Answer:

144°

Step-by-step explanation:

Complement angles add up to 180°

Therefore.....

x=4(180-x)

x=720-4x

5x=720

x=144°

allochka39001 [22]3 years ago
3 0

Answer:

40 degrees

Step-by-step explanation:

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Plz help me with all of this question here and explain how was the incorrect answer obtained
larisa [96]

Answer:

1.) 9

2.) 20

Step-by-step explanation:

1.) 39 is incorrect because they didn't follow the PEMDAS rule.

They subtracted 2 from 15 which is 13, and then they multiplied 13 by 3.

<u>The correct way is to multiply 2 times 3 which is 6, and then subtract 6 from 15 which is 9.</u>

<u />

2.) 12 is incorrect because they didn't use PEMDAS.

They added 8 to 16 which is 24, and then divided 24 by 2.

<u>The correct way is to divide 8 by 2 which is 4, and then add for to 16 which 20.</u>

4 0
2 years ago
The equation having null set as its solution set is
KIM [24]

Answer:

  B) x = e^x

Step-by-step explanation:

The graphs of y = e^x and y = x never intersect, so the solution set will be the empty (null) set for ...

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_____

There is one intersection of y=x with cos(x) and with sin(x). There are an infinite number of solutions for x = tan(x).

4 0
3 years ago
Open image to see question
Agata [3.3K]

Answer:

16

Step-by-step explanation:

To start off this problem, we are given that the line AB is equal to the line CD. In addition to that, we are given that the line EF equally intersects line AB and line CD. This provides us proof that angle AGH is equivalent to angle DHG. From this information, we can solve this problem relatively easily.

Lets work with this equation:

80 = 5x

Next, divide 80 by 5.

\frac{80}{5} =x

16 = x

This means that x is equal to 16.

7 0
3 years ago
John and 3 friends are going out for pizza for lunch. They split one pizza and 4 large drinks. The pizza cost $12.50. They spend
gladu [14]
The answer is $1.25 a large drink

Because 17.5 - 12.5 = 5 / 4 = $1.25


I hope this helps
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3 years ago
What is -0.009 to the second power
kondaur [170]
I believe it's -0.000081
5 0
3 years ago
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