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m_a_m_a [10]
3 years ago
5

FIRST CORRECT ANSWER GETS BRAINLIEST!!!

Mathematics
1 answer:
castortr0y [4]3 years ago
6 0
The total material required to cover both is 29 sq. units.

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Mary ran 2 miles in about 23 minutes. If she continued at the same pace, how long will it take her to run 10 miles?
ZanzabumX [31]

Answer:115 minutes

Step-by-step explanation:

Set you problem 2/23 = 10/x

X represents the number of minutes you are trying to figure out. Cross multiply to get 2x=230. Decide both sides by 2 to get x=115

8 0
3 years ago
If you want to increase the acceleration of your rocket you need to: (Choose one of the following statements)
nignag [31]
D) increase the thrust force and increase the mass of the rocket.
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2 years ago
How many even numbers are there between 1 to 540
Diano4ka-milaya [45]
To find the number of even factors, we can multiply the number of odd factors by the power of 2 (not the power of 2 + 1!!!). For 540, we have (3 + 1)(1 + 1)(2) = 16 even factors.
6 0
3 years ago
Read 2 more answers
7.1.35-T Question Help You are the operations manager for an airline and you are considering a higher fare level for passengers
shusha [124]

Answer:

You must survey 784 air passengers.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

The margin of error is:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

95% confidence level

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

Assume that nothing is known about the percentage of passengers who prefer aisle seats.

This means that \pi = 0.5, which is when the largest sample size will be needed.

Within 3.5 percentage points of the true population percentage.

We have to find n for which M = 0.035. So

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.035 = 1.96\sqrt{\frac{0.5*0.5}{n}}

0.035\sqrt{n} = 1.96*0.5

\sqrt{n} = \frac{1.96*0.5}{0.035}

(\sqrt{n})^2 = (\frac{1.96*0.5}{0.035})^2

n = 784

You must survey 784 air passengers.

6 0
2 years ago
Given: SSA triangle, A=62°, a=5cm, b=15cm.
sattari [20]
I’m sure your answer it’s the second one 48:70:24.3 cm
5 0
2 years ago
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