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2 years ago

HELP PLEASE AGAIN WILL GIVE MORE POINTS

Mathematics

2 answers:

Vanyuwa [196]2 years ago

7 0

1. AD

2. BC

3 Parallel

sweet-ann [11.9K]2 years ago

6 0

Hey !!!

1) AD

2)BC

3) PARALLEL

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il63 [147K]

Answer:

here the link:

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2 years ago

Mae took out a 30-year loan for $235,000 at 4.6% interest, compounded monthly. If her monthly payment on the loan will remain $1

zvonat [6]

1204.71*30(years)*12(months per year)=$433,695.60
Original price was 235,000 so she paid 433,695.60-235,000=$198,695.60 in interest.

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3 years ago

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lutik1710 [3]

Answer:

1.15

2.1

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5.3

6.8

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2 years ago

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A circle has a radius of 20 centimeters and a central angle that measures 216 degrees. What is the length of the arc defined by

Bumek [7]

Answer:4320cm

Step-by-step explanation:

(length of the arc)/(length of the radius)=central angle

lengthof the arc/20=216

lengthof the arc=216×20

length of the arc=4320cm

8 0

2 years ago

An average computer mouse inspector can inspect 50 mice per hour. The 48 computer mice inspectors at a particular factory can on

Ronch [10]

Answer: C. Yes, because -2.77 falls in the critical region .

Step-by-step explanation:

Let $\mu$ be the population mean .

As per given , we have

$H_0:\mu=50\\\\ H_a: \mu$

Since the alternative hypothesis is left-tailed and population standard deviation is not given , so we need to perform a left-tailed t-test.

Test statistic : $t=\dfrac{\overline{x}-\mu}{\dfrac{s}{\sqrt{n}}}$

Also, it is given that ,

n= 48

$\overline{x}=46$

s= 10

$t=\dfrac{46-50}{\dfrac{10}{\sqrt{48}}}=\dfrac{-4}{\dfrac{10}{6.93}}\\\\=\dfrac{-4}{1.443}\approx-2.77$

Degree of freedom = df = n-1= 47

Using t-distribution , we have

Critical value = $t_{\alpha,df}=t_{0.025,47}=2.0117$

Since, the absolute t-value (|-2.77|=2.77) is greater than the critical value.

So , we reject the null hypothesis.

i.e. -2.77 falls in the critical region.

[Critical region is the region of values that associates with the rejection of the null hypothesis at a given probability level.]

Conclusion : We have sufficient evidence to support the claim that these inspectors are slower than average.

Hence, the correct answer is C. Yes, because -2.77 falls in the critical region

4 0

3 years ago