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solmaris [256]
3 years ago
7

For home economics class Sandra had 5 cups of flour. She made 3 batches of cookies that each used 1.5 cups of flour. Find the am

ount of flour Sandra had left after making the 3 batches of cookies
Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
5 0
Okay so what you would do is 1.5 multiply by 3 find out the answer there and then subtract the 5 cups with the answer.

so if it is 1.5×3 that would equal ____ then you would subract 5 - ___ then there is your answer
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Graph each inequality on a number line.<br><br><br> PLS HELP
Gelneren [198K]

Answer:

See below!

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
NASA is conducting an experiment to find out the fraction of people who black out at G forces greater than 6 6 . In an earlier s
Xelga [282]

Answer:

The sample size must be atleast 502 to have a margin of error of 0.03

Step-by-step explanation:

We are given the following in the question:

Proportion = 0.32

\hat{p} = 0.32

Level of significance = 0.15

Margin of error = 0.03

Formula for margin of error =

z_{stat}\times \sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

z_{critical}\text{ at}~\alpha_{0.15} = 1.44

We have to find the sample size such that the margin of error is atmost 0.03.

Putting values, we get,

z_{stat}\times \sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}\leq 0.03\\\\1.44\times \sqrt{\dfrac{0.32(1-0.32)}{n}}\leq 0.03\\\\\sqrt{n}\geq 1.44\times \dfrac{\sqrt{0.32(1-0.32)}}{0.03}\\\\\sqrt{n}\geq 22.39\\n\geq 501.3121\\\Rightarrow n\geq 502

Thus, the sample size must be atleast 502 to have a margin of error of 0.03 in approximation of proportion of people who would black out at 6 or more Gs.

3 0
3 years ago
Does the letter A have line of symmetry
egoroff_w [7]

Answer:

Yes.

Step-by-step explanation:

Searched it up and I am just hoping it's right. Have a good one ;)

5 0
3 years ago
Read 2 more answers
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