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Doss [256]
3 years ago
10

A carpenter has less than 120 min. to spend painting furniture each day. Today, he has spent 30.5 min. painting a desk. Now he w

ill paint x chairs, each of which takes 12.5 min.
What is the maximum number of chairs the carpenter can paint?

A, 7
B, 8
C, 12
D, 13
Mathematics
2 answers:
kozerog [31]3 years ago
5 0
120 - 30.5 = 89.5
89.5 / 12.5 = 7.16
the maximum of chairs he can paint is A, 7 chairs
Finger [1]3 years ago
3 0
The answer would be A. 7
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Find the least common denominator of the two fractions from part B. To do this, list and compare the first five multiples of the
algol [13]

Answer:Find the least common denominator of the two fractions from part B. To do this, list and compare the first five multiples of the denominators. The smallest number that appears in both lists is the least common denominator. Show your work.

Step-by-step explanation:

4 0
2 years ago
When fishing off the shores of Florida, a spotted seatrout must be between 10 and 30 inches long before it can be kept; otherwis
Mademuasel [1]

Answer:

There is a 97.585% probability that a fisherman catches a spotted seatrout within the legal limits.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by

Z = \frac{X - \mu}{\sigma}

After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X. Subtracting 1 by the pvalue, we This p-value is the probability that the value of the measure is greater than X.

In this problem, we have that:

The lengths of the spotted seatrout that are caught, are normally distributed with a mean of 22 inches, and a standard deviation of 4 inches, so \mu = 22, \sigma = 4.

What is the probability that a fisherman catches a spotted seatrout within the legal limits?

They must be between 10 and 30 inches.

So, this is the pvalue of the Z score of X = 30 subtracted by the pvalue of the Z score of X = 10

X = 30

Z = \frac{X - \mu}{\sigma}

Z = \frac{30 - 22}{4}

Z = 2

Z = 2 has a pvalue of 0.9772

X = 10

Z = \frac{X - \mu}{\sigma}

Z = \frac{10 - 22}{4}

Z = -3

Z = -3 has a pvalue of 0.00135.

This means that there is a 0.9772-0.00135 = 0.97585 = 97.585% probability that a fisherman catches a spotted seatrout within the legal limits.

3 0
2 years ago
Gabe is planning on riding the roller coaster 25 times. If he has already ridden 36% of his 25 times, how many times has Gabe al
AVprozaik [17]
If you do 25 x X = 100
It would be x = 4
So we would divide 36% by 4 to get how many times he rode, which is 9
So he already has ridden 9 times.
BRANLIEST? :)
5 0
3 years ago
What is the value of x?<br><br><br><br> Enter your answer in the box.<br><br> x =
kogti [31]

Answer:

x = 98 degrees

Step-by-step explanation:

A heptagon has a total of 900 degrees for the interior angles. Add up all the angles and then subtract from 900 to find x.

146+122+142+140+110+142 = 802.

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4 0
2 years ago
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A $1,450 sofa is marked down to $899. find the percent of markdown.
Usimov [2.4K]
38%. 100 divided by 1,450 is 0.068965517241379 meaning each dollar is worth that much percentage-wise. So 0.068965517241379 times 899 for the new price would be 62% of the original price. 100%- 62% = 38%
4 0
3 years ago
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