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I am Lyosha [343]
2 years ago
5

PLEASE HELP QUICK WILL MARK BRAINLIEST

Mathematics
1 answer:
ser-zykov [4K]2 years ago
7 0

Answer:

in my knowledge I think 13

we know the turtle is half as old as her parrot

so if we divide 10 by 3/4 we can get how old the turtle is

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Can I get more specific answers
DanielleElmas [232]

Answer:

Step-by-step explanation:

what do u mean

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2 years ago
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State whether the data described below are discrete or​ continuous, and explain why. The exact mass (in grams )of food eaten by
NARA [144]

Answer:

A. The data are continuous because the data can take on any value in an interval.

Step-by-step explanation:

The data surveyed is the exact mass, in grams, of food eaten by each person each day.

This type of data is continous, not discrete. The mass can take any value within the domain of positive real numbers. It represents a physic variable, and they are always continous.

5 0
3 years ago
Michael and Imani go out to eat for lunch.
Wittaler [7]
Part A= $27.32
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8 0
3 years ago
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A department store has daily mean sales of​ $28,372.72. The standard deviation of sales is​ $2000. On​ Tuesday, the store sold​
DiKsa [7]

Answer:

Tuesday z-score was 3.26.

Tuesday was a significantly good day.

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}

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.

A score is said to be significantly high if it has a z-score higher than 1.64, that is, it is at least in the 95th percentile.

In this problem, we have that:

\mu = 28372.72, \sigma = 2000

On​ Tuesday, the store sold​ $34,885.21 worth of goods. Find​ Tuesday's ​z-score.

This is Z when X = 34885.21

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

Z = \frac{34885.21 - 28372.72}{2000}

Z = 3.26

Tuesday z-score was 3.26.

Was Tuesday a significantly good​ day?

A z-score of 3.26 has a pvalue of 0.9994. So only 1-0.9994 = 0.0006 = 0.06% of the day are better than Tuesday.

So yes, Tuesday was a significantly good day.

8 0
2 years ago
8-(3+b)=b-9 ion understand this​
sp2606 [1]

Answer:

b = 7

Step-by-step explanation:

Given

8 - (3 + b) = b - 9 ← distribute parenthesis on the left by - 1

8 - 3 - b = b - 9, that is

5 - b = b - 9 ( subtract b from both sides )

5 - 2b = - 9 ( subtract 5 from both sides )

- 2b = - 14 ( divide both sides by - 2 )

b = 7

3 0
3 years ago
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