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damaskus [11]
3 years ago
8

Find 5/6(−4 x 2/7). Write your answer in simplest form.

Mathematics
2 answers:
ololo11 [35]3 years ago
8 0
I got -0.96(rounded) and as a fraction -20/21
shtirl [24]3 years ago
4 0
-0.96
If you look up that exact equation on google you get -0.952380952 and you just round it to get -0.96
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vlada-n [284]
220:245 or it can be simplified to 44:49
3 0
3 years ago
According to creditcard , the mean outstanding credit card debt of college undergraduate was $3173 in 2010. A researcher believe
Mamont248 [21]

Answer:

a. The null and alternative hypothesis can be written as:

H_0: \mu=3173\\\\H_a:\mu< 3173

b. A Type I error is made when a true null hypothesis is rejected. In this case, it would happen if it is concluded that the actual mean outstanding credit card debt of college undergraduate is significantly less than $3173, when in fact it does not.

A Type II error is made when a false null hypothesis is failed to be rejected. In this case, the actual mean outstanding credit card debt of college undergraduate is in fact less than $3173, but the test concludes there is no enough evidence to claim that.

Step-by-step explanation:

We have a prior study of the mean outstanding credit card debt of college undergraduate that states that it was $3173 in 2010.

A researcher believes that this amount has decreased since then.

Then, he has to perform a hypothesis test where the null hypothesis states that the mean is still $3173 and an alternative hypothesis that states that the actual credit card debt is significantly smaller than $3173.

The null and alternative hypothesis can be written as:

H_0: \mu=3173\\\\H_a:\mu< 3173

3 0
3 years ago
ABCDE is a pentagon.
Katena32 [7]

Answer:

area = 44 cm²

Step-by-step explanation:

rectangle area = bh = 8 x 4 = 32 cm²

triangle height² = 5² - 4³ = 25 - 16 = 9

triangle height = 3

triangle area = 1/2bh = 1/2(8)(3) = 12 cm²

32 cm² + 12 cm² = 44 cm²

area = 44 cm²

8 0
3 years ago
Line A is perpendicular to Line B. If the slope of Line A is 2/5,what is the slope of Line B? PLS ANSWER ASAP, doing semester te
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The answer is; -5/2

Good luck
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3 years ago
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Step-by-step explanation:

hope it's help u jajajn s

8 0
2 years ago
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