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forsale [732]
3 years ago
13

Answer for this question?

Mathematics
1 answer:
Nataly [62]3 years ago
5 0

Answer:

B

Step-by-step explanation:

Lie should factor out 3 from the expression

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When converting between two measurement units, how can you tell which operation to use?
iris [78.8K]
When you're converting from a smaller unit to a larger unit, divide.

When you're converting from a larger unit to a smaller unit, multiply.
7 0
3 years ago
Consider the e-billing case. The mean and the standard deviation of the sample of n = 65 payment times are xbar= 18.4730 and s =
Travka [436]

Answer: The null and the alternative hypotheses are given below:

H_{0}:\mu=18.6

H_{a}:\mu

Under null hypothesis, the test statistic is:

z=\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }

        =\frac{18.4730-18.6}{\frac{3.9045}{\sqrt{65}} }

        =-0.26

\therefore z=-0.26

Now we have to find the left tailed critical value at 0.01 significance level using the standard normal table.

The critical value is:

z_{critical}=-2.33

Since the test statistic is -0.26 lies in acceptance region because the critical region is beyond -2.33, therefore, we fail to reject the null hypothesis.

5 0
3 years ago
Find the perimeter of the triangle below. Round to the nearest hundredth
postnew [5]
First, you have to apply the Pythagorean Theorem to this problem to solve for the hypotenuse.

22^2 + 15^2 = c^2

"C", which is the hypotenuse, is approximately 26.63 inches long. So, now add all the sides, and you should have 63.63 inches as your final answer.
7 0
3 years ago
1/2n+3/4n=1/2 what is the value of n?
Nataliya [291]

The answering you are looking for is

n= 2/5

or

0.4

hope this helped

7 0
4 years ago
Read 2 more answers
Help need it done for tomorrow ​
Gelneren [198K]

Step-by-step explanation:

the law of sines :

a/sin(A) = b/sin(B) = c/sin(C)

with the sides being opposite to the angles.

so,

14/sin(80) = x/sin(60)

x = 14×sin(60)/sin(80) ≈ 12.3cm

4 0
3 years ago
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