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3 years ago

Which of the diagrams below represents the statement, "If it is not an apple, then it is not fruit"?

Mathematics

2 answers:

Valentin [98]3 years ago

7 0

Answer:

A. Figure A

Step-by-step explanation:

Given: If it not an apple, then it is not fruit"

Here "not an apple" is subset of "not fruit"

So "not fruit" is whole set and "not apple" is a subset.

Therefore, Figure A is true.

Hope this will helpful.

Thank you.

kherson [118]3 years ago

3 0

I'm pretty sure it is figure A

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The weight of laboratory grasshoppers follows a Normal distribution, with a mean of 90 grams and a standard deviation of 2 grams

JulsSmile [24]

Answer:

95.44% of the grasshoppers weigh between 86 grams and 94 grams.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

Mean of 90 grams and a standard deviation of 2 grams.

This means that $\mu = 90, \sigma = 2$

What percentage of the grasshoppers weigh between 86 grams and 94 grams?

The proportion is the p-value of Z when X = 94 subtracted by the p-value of Z when X = 86. So

X = 94

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

$Z = \frac{94 - 90}{2}$

$Z = 2$

$Z = 2$ has a p-value of 0.9772.

X = 86

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

$Z = \frac{86 - 90}{2}$

$Z = -2$

$Z = -2$ has a p-value of 0.0228.

0.9772 - 0.0228 = 0.9544

0.9544*100% = 95.44%

95.44% of the grasshoppers weigh between 86 grams and 94 grams.

5 0

2 years ago

4/5 divided by -3/5 any answers because right now I’m really stuck

MatroZZZ [7]

Answer:

-1 1/3 as a mixed number (if they ask for it in simplest form, choose this one)

-4/3 as an improper fraction

Step-by-step explanation:

1. Keep, change, flip

4/5 x -5/3

2. Cross cancel the fives

4/1 x -1/3

3. Simplify

-4/3 or -1 1/3 (they're equivalent)

7 0

2 years ago

The volume of each cube is given. Estimate the side length of the cube to the nearest integer. Use the formula V=s(cubed). The v

sdas [7]

You get 8 if you round up from 8.041451517
and 8 cubed is 512

but if you round from 8.041451517 to 8.04, and you cube it, it equals 519.718464

and if you round that up it would equal 520

or 519.71

so it depends on how you do it

7 0

3 years ago

8624 to the nearest thousand

Alika [10]

✡ Answer: 9000 ✡

- - Solve:

If your 3 numbers to the right (in this problem its 3) are 499 or less, you round down, if its 500 or up, you round up.

In this case, round up.

- - Solve furthermore:
9000


✡Hope this helps✡

4 0

3 years ago

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2. Mia is making a set of clay bowls. Each bowl requires 3 /4 pound of clay. She has 5_ 5/ 6 pounds of clay. How many complete b

andreyandreev [35.5K]

Answer: 7 bowls

Step-by-step explanation:

5_ 5/6 divided by 3/4 equals 7.77777

4 0

2 years ago

Read 2 more answers