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3 years ago

What is the biggest number less than 1,000 that has only 2s in its prime factorization?

Mathematics

1 answer:

Contact [7]3 years ago

8 0

Answer:

2^9 = 512

Step-by-step explanation:

2^9 = 512 is the largest number less than 1000 that has only 2s in its prime factorization.

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Kianna has $2.83. Avery has $5.18. They put their money together to buy packages of fruit snacks that each cost $0.30. How many

Nana76 [90]

Answer:

26 snack packs

Step-by-step explanation:

2.83+5.18=8.01

8.01/.30=26.7

26 snack packs

7 0

3 years ago

Read 2 more answers

Two college roommates have each committed to donating to charity each week for the next year. The roommates’ weekly incomes are

schepotkina [342]

Answer:

C. 5 weeks.

Step-by-step explanation:

In this question we have a random variable that is equal to the sum of two normal-distributed random variables.

If we have two random variables X and Y, both normally distributed, the sum will have this properties:

$S=X+Y\\\\\ \mu_S=\mu_X+\mu_Y=30+60=90\\\\\sigma_S=\sqrt{\sigma_X^2+\sigma_Y^2}=\sqrt{10^2+20^2}=\sqrt{100+400}=\sqrt{500}=22.36$

To calculate the expected weeks that the donation exceeds $120, first we can calculate the probability of S>120:

$z=\frac{S-\mu_S}{\sigma_S} =\frac{120-90}{22.36}=\frac{30}{22.36}=1.34\\\\P(S>120)=P(z>1.34)=0.09012$

The expected weeks can be calculated as the product of the number of weeks in the year (52) and this probability:

$E=\#weeks*P(S>120)=52*0.09012=4.68$

The nearest answer is C. 5 weeks.

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3 years ago

What is the equation of a line perpendicular to y= 3x +6 that crosses the ordered pair (3,2).

jasenka [17]

Answer:

y=- $\frac{1}{3}$ x+3

Step-by-step explanation:

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Ms. Salta buys buffalo wings for a party. If there are 3 servings per buffalo pound, exactly how many servings does she have for

gtnhenbr [62]

Answer:

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