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Afina-wow [57]
3 years ago
9

An angle has a reference angle of 40° in the third quadrant what is a positive measure of the angle and a negative measure of th

is angle
Mathematics
1 answer:
sertanlavr [38]3 years ago
3 0

Answer:

2, probably

Step-by-step explanation:

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Determine whether the value of each power is positive or negative.
Leona [35]

Answer:

Positive: (-3)4,(-1)2,(-4)8

Negative:(-10)5,(-2)9,(-6)3

Step-by-step explanation:

4 0
3 years ago
A water yank holds 18,000 gallons. How long will it take for the water level to reach 6,000 gallons if the water is used at an a
Oduvanchick [21]

Answer:

see below  PLEASE GIVE BRAINLIEST

Step-by-step explanation:

18,000 - 6000 = 12,000

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8 0
2 years ago
A survey among freshman at a certain university revealed that the number of hours spent studying before final exams was normally
patriot [66]

Answer: 0.0775

Step-by-step explanation:

Given : Mean : \mu = 25

Standard deviation : \sigma =15

Sample size : n=36

Since its normal distribution , then the formula to calculate the z-score is given by :-

z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}

For x= 28.2 hours

z=\dfrac{28.2-25}{\dfrac{15}{\sqrt{36}}}=1.28

For x= 30 hours

z=\dfrac{30-25}{\dfrac{15}{\sqrt{36}}}=2

The P- value = P(1.28

=P(z

Hence, the probabiliy that the average time spent stydying for the sampe was between 28.2 and 30 hours = 0.0775

6 0
3 years ago
Which statement best explains why the equation X +2=3x-14 can be used to slice for x ?
Mariana [72]

Answer:

x would be equal on both sides so if you use that equation you'll find x and be able to solve for both sides

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Last week Amy ran 31 miles more than Ryan. Amy ran 40 miles. How many miles did Ryan run? I have to write an equation and solve
Korvikt [17]
Variable x is ryans miles
amy-ryan=answer
40-31=x
x=9
ryan ran 9 miles
hope this helps
40-31=x is the equation
8 0
3 years ago
Read 2 more answers
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