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3 years ago

Boxes of granola are on sale at a price of 2 for $4.50. There are 12 ounces of

Mathematics

2 answers:

liraira [26]3 years ago

8 0

Answer:

$2.99

Step-by-step explanation:

so for one box of granola it costs (12 ounces)

2 boxes ($4.50) would be 24 ounces.

24/16

there are 16 ounces in a pound, so you get 1.5 pounds of granola when you buy two boxes.

1.5/2

in one box, you would be getting .75 pound of granola and it would cost $2.25 (4.5/2)

we need to find the price for one single pound of granola.

1/.75 = 1.33

so .75 x 1.33333333 (1.333333) would equal 1 pound. to get the unit price we can do the same thing to the price, so, 2.25 x 1.33 = about $2.99

Softa [21]3 years ago

4 0

Answer:

4.5/2 which is 2.25

Step-by-step explanation:

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3 years ago

(a) Find the size of each of two samples (assume that they are of equal size) needed to estimate the difference between the prop

zalisa [80]

Answer:

(a) The sample sizes are 6787.

(b) The sample sizes are 6666.

Step-by-step explanation:

(a)

The information provided is:

Confidence level = 98%

MOE = 0.02

n₁ = n₂ = n

$\hat p_{1} = \hat p_{2} = \hat p = 0.50\ (\text{Assume})$

Compute the sample sizes as follows:

$MOE=z_{\alpha/2}\times\sqrt{\frac{2\times\hat p(1-\hat p)}{n}$

$n=\frac{2\times\hat p(1-\hat p)\times (z_{\alpha/2})^{2}}{MOE^{2}}$

$=\frac{2\times0.50(1-0.50)\times (2.33)^{2}}{0.02^{2}}\\\\=6786.125\\\\\approx 6787$

Thus, the sample sizes are 6787.

(b)

Now it is provided that:

$\hat p_{1}=0.45\\\hat p_{2}=0.58$

Compute the sample size as follows:

$MOE=z_{\alpha/2}\times\sqrt{\frac{\hat p_{1}(1-\hat p_{1})+\hat p_{2}(1-\hat p_{2})}{n}$

$n=\frac{(z_{\alpha/2})^{2}\times [\hat p_{1}(1-\hat p_{1})+\hat p_{2}(1-\hat p_{2})]}{MOE^{2}}$

$=\frac{2.33^{2}\times [0.45(1-0.45)+0.58(1-0.58)]}{0.02^{2}}\\\\=6665.331975\\\\\approx 6666$

Thus, the sample sizes are 6666.

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2 years ago

The product of twenty-one negative integers is negative.<br> True<br><br> False

Shkiper50 [21]

Answer: TRUE:
_____________________
It is TRUE that the product of 21 (twenty-one) negative integer is a negative number; because you are multiplying an ODD NUMBER of NEGATIVE INTEGERS.
________________________

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3 years ago

Read 2 more answers

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Roman55 [17]

Answer:

1.0472

Step-by-step explanation:

= 60 × π/180 rad

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