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IceJOKER [234]
3 years ago
15

5th grade math. Correct answer will be marked brainliest.

Mathematics
2 answers:
postnew [5]3 years ago
5 0
Right on the next line under c would be the answer
-BARSIC- [3]3 years ago
3 0

Answer:

Step-by-step explanation:

find place on x axis first, then find y. <3

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90/110 reduce the fraction
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90/110 reduces to 9/11. Good luck!
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Is it even an option on my Penn Foster Exam?
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Solve for x in the equation x squared + 10 x + 12 = 36.
Anna35 [415]
It’s the first one

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3 years ago
In a restaurant, the proportion of people who order coffee with their dinner is p. A simple random sample of 144 patrons of the
mote1985 [20]
<h2>Answer with explanation:</h2>

Given : In a restaurant, the proportion of people who order coffee with their dinner is p.

Sample size : n= 144

x= 120

\hat{p}=\dfrac{x}{n}=\dfrac{120}{144}=0.83333333\approx0.8333

The null and the alternative hypotheses if you want to test if p is greater than or equal to 0.85 will be :-

Null hypothesis : H_0: p\geq0.85   [ it takes equality (=, ≤, ≥) ]

Alternative hypothesis : H_1: p  [its exactly opposite of null hypothesis]

∵Alternative hypothesis is left tailed, so the test is a left tailed test.

Test statistic : z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

z=\dfrac{0.83-0.85}{\sqrt{\dfrac{0.85(1-0.85)}{144}}}\\\\=-0.561232257678\approx-0.56

Using z-vale table ,

Critical value for 0.05 significance ( left-tailed test)=-1.645

Since the calculated value of test statistic is greater than the critical value , so we failed to reject the null hypothesis.

Conclusion : We have enough evidence to support the claim that p is greater than or equal to 0.85.

8 0
2 years ago
Use the order of operations to evaluate the expression below.<br> 5 + 7 • 2 - 90 / 3 + 8 - 1
Law Incorporation [45]
First Multiply 7x2 witch is 14 then divide -90 by 3 witch is -30 so now make your new equation 5+14-30+8-1 witch the answer is -4
3 0
2 years ago
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