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3 years ago

What is the area of the isosceles trapezoid shown?

Mathematics

2 answers:

igor_vitrenko [27]3 years ago

8 0

Answer:

the answer is 80

Step-by-step explanation:

you can split the trapezoid into a rectangle and two triangles to find the area

balandron [24]3 years ago

4 0

If you want the area of the entire trapeziod.

The formula for area of a trapeziod is:

1/2h(b₁+b₂)

So the equation applied to the trapeziod is:

2.5(20+12)

20+12 is 32. 32 multiplied by 2.5 is 80.

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Your company produces electrical components for a government project that are normally distributed with a mean frequency of 100

zalisa [80]

Answer:

Option C) 92.50%

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 100 MHz

Variance = 9 MHz

$\sigma^2 = 9\\\sigma = 3$

We are given that the distribution of frequency is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P( product that falls between 95.06 MHz and 105.88 MHz)

$P(95.06 \leq x \leq 105.88)\\\\ = P(\displaystyle\frac{95.06 - 100}{3} \leq z \leq \displaystyle\frac{105.88-100}{3})\\\\ = P(-1.645 \leq z \leq 1.96)\\\\= P(z \leq 1.96) - P(z < -1.645)\\= 0.975 - 0.05 =0.925 = 92.5\%$

92.5% of product will be acceptable to the government.

Thus, the correct answer is

Option C) 92.50%

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3 years ago

Answerrrrrrrr nowwww

Gre4nikov [31]

Answer:

a is equal to 22 because 11 times 2 is 22

6 0

3 years ago

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What is the value of 0.9

raketka [301]

Answer:So √0.9, would be ==> √9/10, which further will be equal to 3/√10.

Step-by-step explanation: Do the rationalisation part, and you will get your answer as 0.3(√10).

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3 years ago

A climber is standing at the top of a mountain, approximately 2.5 mi above sea level. The radius of the Earth is 3959 mi. What i

Kazeer [188]

1 foot is the distance from the climber to the horizon

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3 years ago

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A spinner is divided into five sections, labeled A, B, C, D, and E. Devon spins the spinner 50 times and records the results in

tatuchka [14]

Answer:

64/200 times the spinner will land on vowel

Step-by-step explanation:

On the table, the chart says 10 times for A and 6 times for E. This means that the experimental probability for rolling a vowel in a trial of 50 rolls is 16/50.

The next step is create equal ratios. 16/50 = x/200. 50 times <u>4 </u> is 200 so 16 times <u>4 </u> is 64.

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3 years ago