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mylen [45]
3 years ago
9

Someone help me please

Mathematics
1 answer:
laila [671]3 years ago
4 0

Answer:

37°

Step-by-step explanation:

You can see it is a right angle. Do 90-AOB angle=BOC angle.

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What is y = 1.65x + 2.35 if x=14?
Andrej [43]

Answer:

y is 25.45

Step-by-step explanation:

y=1.65x+2.35 insert the unknown x

y=1.65(14)+2.35 open brackets by multiplication

y=23.1+2.35

y=25.45

5 0
3 years ago
Solve the right triangle. Round decimal answers to the nearest tenth.
AnnZ [28]

Answer:

See solution below

Step-by-step explanation:

According to pythagoras theorem

hyp^2 = opp^2 + adj^2

10^2 = 4^2 + b^2

100 = 16 + b^2

b^2 = 100-16

b^2 = 84

b = √84

b ≈ 9

Using SOH CHA TOA identity

sin B = AC/AB

Sin B = 9/10

B = arcsin0.9

B ≈ 64degrees

sinA = BC/AB

Sin A = 4/10

A = arcsin0.4

A ≈ 24degrees

5 0
3 years ago
A sprinter runs 100 meters in 11.5 seconds. What is the runners average rate in meters per second?
iris [78.8K]

Answer:

8.69565217391 m per sec

8.7 (1dp)

Step-by-step explanation:

3 0
3 years ago
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Help :)
zysi [14]

Answer:what are we supposed to answer give brainl and I’ll come back

Step-by-step explanation:

5 0
3 years ago
A school has a square courtyard and wants to create diagonal walkways. The length of each side
Nastasia [14]

Answer:

Approximately 51 Yards

Step-by-step explanation:

You can solve this by cutting the square in half to make a right triangle. Than, you can use the Pythagorean theorem to solve for the hypotenuse.

a^2+b^2=c^2

36^2+36^2=c^2

1296+1296=c^2

2592=c^2

50.9116

Round to the nearest whole number since the question says approximately: 51

3 0
3 years ago
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