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2 years ago

Pls answer below giving brainliest

Mathematics

2 answers:

frosja888 [35]2 years ago

6 0

Answer:

Angle 2: 45

Angle 3: 45

Angle 4: 135

Angle 5: 135

Angle 6: 45

Angle 7: 45

Angle 8: 135

Step-by-step explanation:

Angle 1 and 2 are supplementary meaning the angles add to 180 degrees.

180-135=45

4 is opposite of 1, so it is the same value (it is also supplementary to angle 2)

3 is opposite 2 and supplementary to 1, so it is 45 as well.

5 is the same as 1 because it is made from the same line crossing a parallel line to the one angle 1 is formed from (sorry that sounds confusing)

6,7,8 are found the same way as 2,3,4, and 5.

Lisa [10]2 years ago

5 0

Answer:

Step-by-step explanation:

Because its supplementary

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2 years ago

Who started the problem correctly? The problem form is (-5) - (-1 3/4).

Veronika [31]

Answer:

Shane started the problem correctly

Step-by-step explanation:

We are given problem (-5) - (-1 3/4).

Mariah started the problem as (-5) + 1 - 3/4

Shane started the problem as (-5) + 1 + 3/4

We need to find who started the problem correctly.

The problem should be started by converting the mixed fraction into improper fraction i,e

$-5-(-1\frac{3}{4})\\=-5-(-1-\frac{3}{4} )\\=-5-(-\frac{7}{4})$

Now we will solve bracket by multiplying -1 with term inside the bracket i.e

$=-5+\frac{7}{4}$

$= \frac{-13}{4}$

Let's compare both the procedures now:

Mariah:

$(-5) + 1 - \frac{3}{4}$

$=(-5) - \frac{1}{4}$

$=\frac{-21}{4}$

Therefore, Mariah did not start the problem correctly.

Shane:

$(-5) + 1 + \frac{3}{4}$

$= -5 + \frac{7}{4}$

$= \frac{-13}{4}$

Therefore, Shane started the problem correctly.

6 0

2 years ago

In how many ways can 2 singers be selected from 4 who came to an audition?

Svetlanka [38]

First part its 4C2 = 4*3 / 2 = 6

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3 years ago

Read 2 more answers

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Answer:

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Step-by-step explanation:

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago