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4 years ago

Determine the measure of ABC 125 50° The measure of ABC is degrees

Mathematics

1 answer:

MAVERICK [17]4 years ago

5 0

Answer:

90 degrees

Step-by-step explanation:

angle ABC is a right angle

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How wide is a rectangular table with a length of 2/3 yard yard and an area of 1/2 square yard?

mylen [45]

a = Lw
---
1/2 = (2/3)w
w = (1/2)(3/2)
---
w = 3/4 yard

5 0

3 years ago

Suppose the weights of the Boxers at this club are Normally distributed with a mean of 166 pounds and a standard deviation of 5.

lesya [120]

Answer:

0.1994 is the required probability.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 166 pounds

Standard Deviation, σ = 5.3 pounds

Sample size, n = 20

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

Formula:

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

Standard error due to sampling =

$=\dfrac{\sigma}{\sqrt{n}} = \dfrac{5.3}{\sqrt{20}} = 1.1851$

P(sample of 20 boxers is more than 167 pounds)

$P( x > 167) = P( z > \displaystyle\frac{167 - 166}{1.1851}) = P(z > 0.8438)$

$= 1 - P(z \leq 0.8438)$

Calculation the value from standard normal z table, we have,

$P(x > 167) = 1 - 0.8006= 0.1994 = 19.94\%$

0.1994 is the probability that the mean weight of a random sample of 20 boxers is more than 167 pounds

3 0

3 years ago

A triangle has side lengths of 12 millimeters, 17 millimeters, and 13 millimeters. Is this triangle equilateral?

nordsb [41]

No, this triangle is not equilateral. This triangle is scalene. All three sides are of different lengths, which is why it's scalene. In order to have an equilateral triangle, all three sides need to be the same length.

7 0

3 years ago

Make sentences of worst confident anxious bandage crutches

Reil [10]

Answer:

Worst: That was the worst day of my life.

Confident : I am so confident that I will pass my exams with high grades.

Anxious : She was extremely anxious about her exams.

Bandage : Bandage the foot so that the leg is supported.

Crutches: The man with crutches is my best friend.

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4 years ago

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You are trying to sell a new product to a store owner. Which method of presentation is likely the most effective?

frutty [35]

Answer:

Opps I acidentally put it in the comments

The answer is D

Step-by-step explanation:

3 0

3 years ago

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