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balandron [24]
3 years ago
9

PLEASE HELP ASAP!!!! WILL GIVE BRAINLIEST TO CORRECT OR FIRST ANSWER!!!!

Mathematics
1 answer:
REY [17]3 years ago
7 0
D) the last answer is correct:
< = 1/2 (largest arc - smallest arc)
< = 1/2 (a-b)
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Solve and then use estimation to make sure your answer is reasonable.
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3 years ago
Suppose a population has a mean of 7 for some characteristic of interest and a standard deviation of 9.6. A sample is drawn from
valkas [14]

Answer:  A. 1.2

Step-by-step explanation:

Given : Sample size : n= 64

Standard deviation: \sigma=9.6

The formula to find the standard error of mean is given by :-

S.E.=\dfrac{\sigma}{\sqrt{n}}\\\\\Rightarrow\ S.E.=\dfrac{9.6}{\sqrt{64}}\\\\\Rightarrow\ S.E.=\dfrac{9.6}{8}=1.2

Therefore, the standard error of the​ mean= 1.2

Hence, A is the right option.

7 0
3 years ago
Help me out pleaseeee
gladu [14]

4x - y = 5 --> 4x = y + 5

substitute

4x + 4y = -4

(y + 5) + 4y = -4

5y + 5 = -4

5y = -9

y = -1.8

solve x

4x = y + 5 = -1.8 + 5 = 3.2

x = 3.2/4 = 0.8

6 0
3 years ago
Hello Math Solvers kindly help me with this!​
postnew [5]

Answer:

0.1kg×m3

0.1kgM3

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2 years ago
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Round 14.857 to the nearest tenth. A. 15.0 B. 14.8 C. 14.9 D. 10.0
LenKa [72]
C. 14.9  because the second number is 5 so you drop the seven and the 5 and round the 8 up to 9
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3 years ago
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