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likoan [24]
3 years ago
13

The price of a sandwich is $1.50 more than the price of a smoothie, which is d dollars. What does the expression d + 1.5 represe

nt?
I really need help on this!! Please someone help me!!
Mathematics
2 answers:
slavikrds [6]3 years ago
8 0
The total cost of the smoothie
Bas_tet [7]3 years ago
8 0
D is the amount the smoothie is. You add 1.5 to represent how much more the sandwich is than the smoothie. I hope this helps :)
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In a randomly selected sample of 1169 men ages 35–44, the mean total cholesterol level was 210 milligrams per deciliter with a s
Aneli [31]

Answer:

The highest total cholesterol level a man in this 35–44 age group can have and be in the lowest 10% is 160.59 milligrams per deciliter.

Step-by-step explanation:

Problems of normally distributed samples are 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}

The Z-score measures how many standard deviations the measure is from the mean. 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, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 210, \sigma = 38.6

Find the highest total cholesterol level a man in this 35–44 age group can have and be in the lowest 10%.

This is the 10th percentile, which is X when Z has a pvalue of 0.1. So X when Z = -1.28.

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

-1.28 = \frac{X - 210}{38.6}

X - 210 = -1.28*38.6

X = 160.59

The highest total cholesterol level a man in this 35–44 age group can have and be in the lowest 10% is 160.59 milligrams per deciliter.

5 0
3 years ago
I need help plzz help!!​
Alborosie

Answer:

it's 2 because it's the smallest number

8 0
3 years ago
There is a small pond which is 8 metres long, 4 metres wide and 2 metres deep. What is the volume of the pond?
Rama09 [41]
8 x 4 x 2 = 64
Therefore the volume of the pond is equal to 64m³
5 0
3 years ago
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What is the answer to 3/5 x 10/21 in simplest form???
jeka94
6/21 I think cause you can't go down any more
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3 years ago
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In which number is the digit 5 one hundred times larger than it is in the number 253?
Paraphin [41]
The answer is B.
I timesed 50 by 100 and 1,000. So 5 would be in the thousands place.
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3 years ago
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