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sattari [20]
3 years ago
12

Please help !!!!!!!!!!!!

Mathematics
1 answer:
jekas [21]3 years ago
6 0
This is for 2.X=22 so the total angle is 90° and you take away 68° and that leaves you with 22°
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5.44 Teaching descriptive statistics: A study compared five different methods for teaching descriptive statistics. The five meth
maria [59]

Answer:

The null hypothesis is that all the different teaching methods have the same average test scores.

H0: μ1 = μ2 = μ3 = μ4 = μ5

The alternative hypothesis is that at least one of the teaching methods have a different mean.

Ha: at least one mean is different. (μ1 ≠ μi)

Step-by-step explanation:

The null hypothesis (H0) tries to show that no significant variation exists between variables or that a single variable is no different than its mean. While an alternative Hypothesis (Ha) attempt to prove that a new theory is true rather than the old one. That a variable is significantly different from the mean.

For the case above, let μ represent the average test scores for the teaching methods:

The null hypothesis is that all the different teaching methods have the same average test scores.

H0: μ1 = μ2 = μ3 = μ4 = μ5

The alternative hypothesis is that at least one of the teaching methods have a different mean.

Ha: at least one mean is different. (μ1 ≠ μi)

7 0
3 years ago
One-fourth of the sum of 6 and 2 times cis 3​
lidiya [134]
3/4 that really helpssssssss
7 0
3 years ago
Read 2 more answers
P(k)=k/7+k^4+3<br> What is the coefficient of k?
vova2212 [387]

Answer:the coefficient of k is 1/7

Step-by-step explanation:

The given expression is

P(k)=k/7+k^4+3

The coefficient of k is the number before the term k. The number before the term, k is 1/7

4 0
3 years ago
How do yo turn a fraction into a percent?
Kipish [7]
<span>You divide the top of the fraction by the bottom and t<span>hen multiply it by 100. 

Example : 1/4
 -you do 1 divied by 4 = 0.25
-then you mutiply 0.25 by 100
 -and you will get : 25%

-Hope this helps.</span></span>
8 0
3 years ago
Amrita bought a new delivery van for $32,500. The value of this van depreciates at a rate of 12% each year. Write a function f(x
FrozenT [24]

Answer:

The function, f(x) to model the value of the van can be expressed as follows;

f(x) = 32,500 \times \left(0.88\right)^x

Step-by-step explanation:

From the question, we have;

The amount at which Amrita bought the new delivery van, PV = $32,500

The annual rate of depreciation of the van, r = -12% per year

The Future Value, f(x), of the van after x years of ownership can be given according to the following formula

f(x) = PV \cdot \left(1 + \dfrac{r}{100} \right)^x

Therefore, the function, f(x) to model the value of the van after 'x' years of ownership can be expressed as follows;

f(x) = 32,500 \cdot \left(1 - \dfrac{12}{100} \right)^x = 32,500 \cdot \left(0.88\right)^x

8 0
3 years ago
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