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natima [27]
3 years ago
5

Nancy is making cookies for a bake sale. She needs a total of 4 pounds of chocolate chips. She has a 28-ounce bag of chocolate c

hips, but the store now only has 10-ounce bags. How many bags of chocolate chips does Nancy need to buy?
Mathematics
1 answer:
Westkost [7]3 years ago
4 0
How many ounces are in a pound? 16! SO 16 times 4 = 64.  So Nancy needs 64 ounces in all.  So 28 plus 10 = 38 that's still not enough, so lets add some more 38 plus 10 = 48 still not enough, add some more 48 plus 10 plus 10 = 68.  So lets add up how many bags we need.  So in all with her 28 that she already has, we need 4 bags.
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Answer:

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Step-by-step explanation:

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3 years ago
6. You want to go to the movies. A ticket for a movie
ivolga24 [154]
<h2>Answer:</h2>

The sale price of your ticket would be $9.22

<h2>Step-by-step explanation:</h2>

First you subtract 20% off from $10.90

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3 0
3 years ago
Find the margin of error for the given values of c, o, and n.
Alika [10]

Using the z-distribution, it is found that the margin of error is of 0.059.

We are given the standard deviation for the population, hence the <em>z-distribution</em> is used.

<h3>What is the margin of error for a z-confidence interval?</h3>

It is given by:

M = z\frac{\sigma}{\sqrt{n}}

In which:

  • z is the critical value.
  • \sigma is the population standard deviation.
  • n is the sample size.

In this problem, the parameters are:

  • \sigma = 0.25, n = 49.
  • Confidence level of 0.90, hence, using a z-distribution calculator, the critical value is z = 1.645.

Then:

M = z\frac{\sigma}{\sqrt{n}}

M = 1.645\frac{0.25}{\sqrt{49}}

M = 0.059

The margin of error is of 0.059.

You can learn more about the z-distribution at brainly.com/question/12517818

4 0
2 years ago
Find the volume of a cube with 5 ft. edges.
pochemuha
5*5*5=125 <span>feet³
......
</span>
4 0
3 years ago
Read 2 more answers
The area of a rectangle invitation card is 3/10 square foot. Given that the length of the card is 4/5 foot, find its perimeter.
Leokris [45]
Area is length times width [A=(L)(W)], if we know that the area of the card is 3/10 and the length is 4/5 we can set up the equation 3/10=(4/5)(W) where W is width. Solve for W by deciding both sides by 4/5 and we get that W=3/8. To find the perimeter of the card were have to add up all the sides of the card so 3/8+3/8+4/5+4/5 which equals 47/20
8 0
3 years ago
Read 2 more answers
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