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algol [13]
3 years ago
11

During which two months do both the Northern and Southern Hemispheres receive the same amount of energy from the Sun?

Mathematics
2 answers:
Drupady [299]3 years ago
6 0

Answer: The correct answer is March and September

pls mark brainliest

meriva3 years ago
6 0

Answer:

Answer C

Explanation:

The answer is March and September

Step-by-step explanation:

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A volleyball reaches its maximum height of 13 feet, 3 seconds after its served. Which of the following quadratics could model th
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B and D.
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6 0
4 years ago
What came first into your mind when you read the word “union"? How did you
vodomira [7]

Answer:

well when you hear "union" you think 'joined' or 'together' since thats what it means, In a mathmatical set of numbers, union means that both of the sets are necessary for the equation to be true. I'm not sure what the sets are in this problem but in order to get "union" from anything, that means that when you checked for your domains, the values that you got had to be part of both the given sets

3 0
4 years ago
The average response time to a bank robbery is 9 minutes. A local community wants to improve on this time, so they implement adv
timurjin [86]

Answer:

The training does reduce response time at 0.05 level of significance

Step-by-step explanation:

Population mean for a population with normal distribution, where the standard deviation is known and the appropriate significant test is given then;

z=x-μ / δ/√n

where

μ= 9 minutes

x=8 minutes

δ= 4.2

n= 36

Applying the formula;

z= 8-9 / 4.2/√36

z= -1 / 4.2/6

z= -1 /0.7 = - 1.429

Perform the test where

H₀ : p=0.05 verse Ha : p < 0.05

Using the Z-table, find the probability that Z is less than -1.43.

You will find the probability of 0.0764 of Z being more than the value in test thus; there are high chances that results will be observed according to the null hypothesis

6 0
3 years ago
Stress at work: In a poll conducted by the General Social Survey, 80% of respondents said that their jobs were sometimes or alwa
Svet_ta [14]

Answer:

a) P=0.019

b) P=0.263

c) P=0.794

Step-by-step explanation:

We assume that the poll gives the population's proportion of respondents said that their jobs were sometimes or always stressful (p=0.8).

Then, a sample of size n=190 is taken.

The sample mean is:

\mu=np=190*0.8=152

The sample standard deviation is:

\sigma=\sqrt{np(1-p)}=\sqrt{190*0.8*0.2}=\sqrt{30.4}=5.514

The probability that 140 or fewer workers find their jobs stressful is:

z=(X-\mu)/\sigma=(140.5-152)/5.514=-11.5/5.514=-2.08 \\\\P(X\leq140)=P(X

Note: a correction for continuity is applied.

The probability that more than 155 workers find their jobs stressful is

z=(X-\mu)/\sigma=(155.5-152)/5.514=3.5/5.514= 0.635 \\\\P(X>155)=P(X>155.5)=P(z>0.635)=0.263

The probability that the number of workers who find their jobs stressful is between 145 and 158 inclusive is:

z_1=(X_1-\mu)/\sigma=(158.5-152)/5.514=6.5/5.514= 1.179\\\\  z_2=(X_2-\mu)/\sigma=(144.5-152)/5.514=-7.5/5.514= -1.360 \\\\ P(145\leq X\leq 158)=P(144.5< X< 158.5)\\\\P(145\leq X\leq 158)=P(X

5 0
3 years ago
Read 2 more answers
4 number lines going from negative 2 to positive 2. A has an open circle at negative one-half, everything to the right is shaded
guajiro [1.7K]

Answer:

ITS A PLEASE GIVE ME BRAINLIEST

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
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