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postnew [5]
3 years ago
13

Please help with these! I am so confused​

Mathematics
1 answer:
Lemur [1.5K]3 years ago
8 0

Answer:

81°

Step-by-step explanation:

180°=37°+62°+x°

180-37=143

143-62=81

x=81

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What is the value of the expression below when y= 8 and z= 9?
g100num [7]

Answer:

27

Step-by-step explanation:

5y-2z

1.plug in

5(8)-2(9)

2.solve

5(8)=45

3.solve

2(9)=18

4.subtract

45-18=27

___________________________

answered by aurinda

hope it helps:)

____________________________

4 0
3 years ago
If the sections of the circle are as follows, what fraction represents the purple sector?
Keith_Richards [23]

Answer:

Should be 1/7

Step-by-step explanation:

I just measured it.

7 0
4 years ago
Read 2 more answers
Two vertical buildings 57 meters apart are 158 meters and 237 meters high. Find the angle of elevation from the top of the short
miskamm [114]

Given :

Two vertical buildings 57 meters apart are 158 meters and 237 meters high.

To Find :

The angle of elevation from the top of the shorter building to the top of the taller building.

Solution :

Distance between height of building, h = 237 - 158 = 79 m.

Distance between these building , d = 57 m.

Now,

tan\ \theta = \dfrac{h}{d}\\\\tan\ \theta = \dfrac{79}{57}\\\\tan\ \theta = 1.386\\\\\theta = tan ^{-1} 1.386\\\\\theta = 54.19^{\circ}

Therefore, the angle of elevation from the top of the shorter building to the top of the taller building is 54.19°.

Hence, this is the required solution.

4 0
3 years ago
Rule: multiply by 2, add 1 first term: 4
yan [13]
9 would be your answer
3 0
4 years ago
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Need help simplifying using factor tree
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