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Veseljchak [2.6K]
3 years ago
11

In this diagram, AC and AB are

Mathematics
1 answer:
Bad White [126]3 years ago
3 0

Answer:

angle CAB = 85 degrees

Step-by-step explanation:

angle CAB = 1/2(265-95)

angle CAB = 85 degrees

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Suppose medical records indicate that
Kay [80]

Answer:

Step-by-step explanation:

Let x be the random variable representing the the length of newborn babies (in inches). Since it is normally distributed and the population mean and population standard deviation are known, we would apply the formula,

z = (x - µ)/σ

Where

x = sample mean

µ = population mean

σ = standard deviation

From the information given,

µ = 20 inches

σ = 2.6 inches

the probability that a given infant is between 14.8 and 25.2 inches long is expressed as

P(14.8 ≤ x ≤ 25.2)

For x = 14.8,

z = (14.8 - 20)/2.6 = - 2

Looking at the normal distribution table, the probability corresponding to the z score is 0.023

For x = 25.2

z = (25.2 - 20)/2.6 = 2

Looking at the normal distribution table, the probability corresponding to the z score is 0.98

Therefore,

P(14.8 ≤ x ≤ 25.2) = 0.98 - 0.23 = 0.75

3 0
3 years ago
The random numbers below represent 10 trials of a simulation.
satela [25.4K]

Answer:1/10

Step-by-step explanation:

6 0
3 years ago
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The length of the rectangle is three more than the width find the length of the rectangle if the perimeter is 98 inches
Aleks [24]

Answer:

length is 26 and width is 23

Step-by-step explanation:

let width be x

then length is 3+x since it is 3 more than the width

perimeter of a rectangle = 2l + 2w

98=2 [3+x] + 2x

98=6+2x+2x

98=6+4x

98-6=4x

92=4x

x=23

width is 23 and

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5 0
3 years ago
Kevin can travel 22.50 miles in 0.3. What is his average speed in miles per hour?
weeeeeb [17]
His average speed will be 75 miles per hour. Hope it help!
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3 years ago
There are 4 jacks in a standard deck of 52 playing cards. If patricia selects a card at random, what is the probability that it
sammy [17]

Answer:

(C) 1/13

Step-by-step explanation:

Since, In a pack of 52 playing cards, there are 4 jacks in total.

If patricia selects a card at random, then the probability that it will be a jack will be:

Probability it is a jack=\frac{Total number of jacks}{Total number of cards}

=\frac{4}{52}

=\frac{1}{13}

Which is the required probability.

5 0
3 years ago
Read 2 more answers
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