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2 years ago

12

8374274 x 345 What is the answer?

1 answer:

kkurt [141]2 years ago

6 0

Answer:

2,889,124,530

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Which set of integers does NOT represent the lengths of the sides of a triangle?

Dovator [93]

I thinks it’s B but not 100%

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2 years ago

Brandon is on one side of a river that is 50 m wide and wants to reach a point 200 m downstream on the opposite side as quickly

Serga [27]

In finding the minimum amount of time that Brandon can swim is to add the quotient of the distance to swim and its velocity and the quotient of the difference of 250 and the distance cover in running and its velocity. The minimum time is 43.33 seconds

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3 years ago

Read 2 more answers

1. Give the opposite of each number.

Sphinxa [80]

Answer:

1. -3

2. 9

3. 5

4. -12

2)

a 9-6=3

b.5-8=-3

c.-12-6=-18

d.10+8=18

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3 years ago

Help! I’m trying to help my friend get caught up who had been ill.

aniked [119]

Answer:

well, r = 79°

s = 63°

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r = 90° - 11° = 79°

s = 90° - 27° = 63°

3 0

3 years ago

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Joe heard from a reliable source that only 22% of people actually sleep 8 hours or more per night. You do a survey and find 58 o

Juliette [100K]

Answer:

95% Confidence interval: (31.32%,47.04%)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 148

Number of people who sleep for 8 hours or longer, x = 58

$\hat{p} = \dfrac{x}{n} = \dfrac{58}{148} = 0.3918$

95% Confidence interval:

$\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

Putting the values, we get:

$0.3918\pm 1.96(\sqrt{\dfrac{0.3918(1-0.3918)}{148}})\\\\ = 0.3918\pm 0.0786\\\\=(0.3132,0.4704)=(31.32\%,47.04\%)$

(31.32%,47.04%) is the required 95% confidence interval.

8 0

3 years ago