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algol13
3 years ago
12

Hannah owns a lemonade stand. She records her transaction throughout the day to keep

Mathematics
1 answer:
Marina CMI [18]3 years ago
3 0

Answer:

-2*3

Step-by-step explanation:

If she had to refund $2 for each cup (-2) and she refunded 3 cups (3) she would lose a balance of -2*3.

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How quickly do synthetic fabrics such as polyester decay in landfills? A researcher buried polyester strips in thes oil for diff
ad-work [718]

Answer:

no enough evidence to draw up a conclusion

Step-by-step explanation:

Data:

let: \mu _{1} = decay after 2 weeks

    \mu _{2} = decay after 16 weeks

Making the hypotheses:

Null hypothesis; H_{o} = \mu _{1}  - \mu _{2} = 0

the deviation = 0.05

the standard difference  = 4

Conditions:

The normal distribution curve can be plotted on a graph and the plot shows that the distribution is a skewed distribution.

Then,

t = \frac{(123.8-16.4)-0}{\sqrt{\frac{4.6^{2} }{5}+\frac{16.09^{2} }{5}   } } \\  = 0.989

Therefore, it can be concluded that 0.1983 > 0.05. This presents our failure to reject the null hypothesis.

Thus, there is not enough evidence to conclude that polyester decays more in less than 2 weeks.

5 0
3 years ago
Someone help me I will mark you the brainiest
love history [14]

Answer:

i think the answer b its pretty close

Step-by-step explanation:


7 0
4 years ago
Does anyone know what lazor wulf is? if so send me a picture
Alenkasestr [34]

Answer:

I think its like a cartoon or something like that

https://hbomax-images.warnermediacdn.com/images/GXyniGAhmEcJZOgEAAABz/tileburnedin?size=1280x720&format=jpeg&partner=hbomaxcom&productCode=hbomax&host=artist.api.cdn.hbo.com&w=1200

there image I think

7 0
3 years ago
* Any irrelevant answers will be reported as spam* PLEASE HELP!
AnnZ [28]

Answer:

x: the number of minutes spent reading

y: number of pages read

Step-by-step explanation:

339/40= 8.475

y=mx+b

339=40(8.475)+b

339=339+b

0=b

Hope this helps!

8 0
3 years ago
Read 2 more answers
PLEASE HELP ME! Thanks!
stepladder [879]

Answer:

I guess 21 is your answers.

3 0
3 years ago
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