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2 years ago

9

Janelle has 3.6 yards of wire, which she wants to use to make bracelets. She needs 0.3 yard for each bracelet. Altogether, how m

any bracelets can Janelle make?
Anyone know the answer please

1 answer:

Basile [38]2 years ago

5 0

Answer:

she can make 12 bracelets

Step-by-step explanation:

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Assume that trees are subjected to different levels of carbon dioxide atmosphere with 7% of the trees in a minimal growth condit

taurus [48]

Answer: The mean and standard deviation are 567.2 and 89.88 resp.

Step-by-step explanation:

Since we have given that

For 370 parts per million = 7% = 0.07

For 440 parts per million = 10% = 0.10

For 550 parts per million = 49% = 0.49

For 670 parts per million = 34% = 0.34

So, Mean of the carbon dioxide atmosphere for these trees would be

$E[x]=370\times 0.07+440\times 0.1+550\times 0.49+670\times 0.34=567.2$

And

$E[x^2]=370^2\times 0.07+440^2\times 0.1+550^2\times 0.49+670^2\times 0.34=329794$

So, Variance would be

$Var\ x=E[x^2]-E[x]^2=329794-567.2^2=8078.16$

So, the standard deviation would be

$\sigma=\sqrt{8078.16}=89.88$

Hence, the mean and standard deviation are 567.2 and 89.88 resp.

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3 years ago

What is the following quotient 9+sqrt 2/4-sqrt 7

babunello [35]

9 + √2 / 4 - √7

Multiply the numerator and denominator by the conjugate.

Exact form:

(36 + 9√ 7 + 4√2 + √14) / 9

or

about 7.69

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3 years ago

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How much will it cost if 12 people come to the party?

saveliy_v [14]

Answer:

y=5x+25

y=5(12)+25

y=85

Step-by-step explanation:

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3 years ago

3,619 people can fit in the auditorium for the concert. Twenty buses arrive with 68 people on each bus going into the auditorium

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So 20x68 is 1360 so 3,619 -1,360 is 2,259 so 2,259 more people will be able to fit inside of the auditorium-hope this helped you

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3 years ago

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D, while numbers is the answer

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3 years ago