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Semmy [17]
3 years ago
7

What is the following in expanded form?

Mathematics
1 answer:
butalik [34]3 years ago
4 0
2 + 0.3 +0.04
0.5 +0.01
5+0.06+0.004
1 + 0.008
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Valerie drives 500 meters up a hill that makes an angle of 15degrees with the horizontal. To the nearest tenth of a meter, what
erastova [34]
The horizontal component can be calculated using:
500cos(15)
= 483.0 meters
The answer is A.
3 0
2 years ago
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Evaluate 0.1m+8-12n0.1m+8−12n0, point, 1, m, plus, 8, minus, 12, n when m=30m=30m, equals, 30 and n=\dfrac14n= 4 1 ​ n, equals,
Rom4ik [11]

Answer:

8

Step-by-step explanation:

We are required to evaluate:

0.1m+8-12n

When m=30, n=\frac{1}{4}

Substituting these values into the expression, we have:

0.1m+8-12n=0.1(30)+8-12(\frac{1}{4})\\=3+8-\frac{12}{4}\\=3+8-3\\=8

8 0
2 years ago
Read 2 more answers
Please I need help!!!
AnnyKZ [126]

Answer:

22.5

Step-by-step explanation:

Because

180÷2=90

so that would mean

45÷2=22.5

5 0
2 years ago
Read 2 more answers
If the p-value is smaller than the level of significance, what conclusion should we reach?
marshall27 [118]

If the p-value is smaller than the level of significance, then it indicates strong evidence against the null hypothesis, as there is less than a 5% probability the null hypothesis is correct.

In this question,

A p-value is a probability, calculated after running a statistical test on data and it lies between 0 and 1. The p-value only tells you how likely the data you have observed is occurred under the null hypothesis.

One of the most commonly used p-value is 0.05. If the value is greater than 0.05, the null hypothesis is considered to be true. If the calculated p-value turns out to be less than 0.05, the null hypothesis is considered to be false, or nullified (hence the name null hypothesis).

A small p-value (< 0.05 in general) means that the observed results are unusual, assuming that they were due to chance only. Now, the smaller the p-value, the stronger the evidence that should reject the null hypothesis.

Hence we can conclude that if the p-value is smaller than the level of significance, then it indicates strong evidence against the null hypothesis, as there is less than a 5% probability the null hypothesis is correct.

Learn more about p-value here

brainly.com/question/15855760

#SPJ4

7 0
1 year ago
URGENT GEOMETRY!!
Darina [25.2K]

Answer: 140 degrees

A straight line is 180 degrees. Since we know one of the angles in the line is 40, we just subtract 40 from 180. So, the measure of angle 1 plus the measure of angle 2 is 140 degrees.

:)

6 0
2 years ago
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