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Margarita [4]
3 years ago
11

What are an equinox and a solstice ,and how many are there each year ?

Mathematics
1 answer:
Ket [755]3 years ago
4 0
An equinox is when there are equal amounts of daylight and hours in the night. The equinox falls twice in a year and there is a winter solstice and a summer solstice.
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You are swimming each 25 yard length of a swimming pool 3 seconds faster than your personal best. What integer represents your c
stealth61 [152]

To solve this problem you must apply the proccedure shown below:

1- The problem says that you are swimming each 25 yard length 3 seconds faster than your personal best and you have to calculate the change in time (which you can call x) of your personal best after 200 yards.

2- To calculate this, you must multiply 200 yards by 3 seconds and divide by 25 yards, as following:

x=\frac{(200yd)(3s)}{25 yd}=24s

Therefore, the answer is: 24 seconds.

7 0
3 years ago
PLEASE HELP ME I'LL GIVE BRAINLIEST.......
dlinn [17]
A.) Is true, because if you follow the graph, at each week, $10 has been added.
B.) Also true, look at the graph, Kari starts with 85 and Kristoff starts with 70.


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3 years ago
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What is the exponent for 100,000
Mnenie [13.5K]
If your question is to write it in scientific notation, it's 10^4 and the exponent is 4
6 0
3 years ago
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A social psychologist conducts an experiment and finds a statistically significant result. This means that the a. experiment is
coldgirl [10]

Considering that the hypothesis test found an statistically significant result, it is found that the correct option is:

c. probability of obtaining this finding by chance alone is less than some quantity.

<h3>What is an hypothesis test?</h3>
  • When a hypothesis test, there are two hypothesis, the null and the alternative hypothesis.
  • There is also a significance level.
  • If the probability of obtaining the finding by chance is less than the significant value, the result is statistically significant.

Hence, according to these bullet points, option C is correct.

You can learn more about hypothesis tests at brainly.com/question/16313918

7 0
2 years ago
Simplify the expression: w2 + 7w2 + 8w - 5 + 9 - 2w2
ololo11 [35]
<h3>6w^2 +8w +4 is the simplified expression</h3>

<em><u>Solution:</u></em>

Given that,

We have to simplify

w^2 + 7w^2 + 8w -5+9-2w^2

We can simplify the above expression by combining the like terms

Like terms are terms that has same variable with same exponent and same or different coefficient

From given,

w^2 + 7w^2 + 8w -5+9-2w^2

Group the like terms

w^2 + 7w^2 -2w^2 + 8w - 5+9\\\\Combine\ the\ like\ terms\\\\6w^2 +8w -5+9\\\\Combine\ the\ constants\\\\6w^2 +8w +4

Thus the given expression is simplified

4 0
3 years ago
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