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podryga [215]
3 years ago
7

you have 7/8 of a pizza left over from a party you would like to give each friend 1/4 of the leftover pizza how many friends can

you give 1/4 of a pizza too?
Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
6 0
1/4 is an equivalent fraction to 2/8. Thus, since you have 7/8, you can give at most 3 friends that 2/8 slice of pizza.

Why?:

3 friends recieving 2/8 slices would be a total of 6/8. If you were to give another friend a 2/8 slice, you would be giving away 8/8 of the pizza... but you only have 7/8!!!!! Therefore, at most you can give away 6/8 to a total of 3 friends, and then you wouldn't have any 2/8 (aka 1/4) slices leftover!!

Hope that helps, cheers


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neonofarm [45]

Answer:

Divide 63/9=7

7*2= (the number of teachers) 14

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Which function has zeros at x = 10 and x = 2?
Tasya [4]

Answer:

f(x) = x2 – 12x + 20

Step-by-step explanation:

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Thickness measurements of ancient prehistoric Native American pot shards discovered in a Hopi village are approximately normally
mariarad [96]

Answer:

a) 0.1587 (or 15.87%)

b) 0.0478 (or 4.78%)

c) 0.7935 (or 79.35%)

Step-by-step explanation:

Find the following probabilities:

(a) the thickness is less than 3.0 mm

We need to find the area under the Normal curve with a mean of 4.5 mm and a standard deviation of 1.5 mm to the left of 3 mm

<h3>(See picture 1 attached) </h3>

We can do that with the help of a calculator or a spreadsheet.

<em>In Excel use </em>

<em>NORMDIST(3,4.5,1.5,1) </em>

<em>In OpenOffice Calc use  </em>

<em>NORMDIST(3;4.5;1.5;1) </em>

and we get the value 0.1587 (or 15.87%)

(b) the thickness is more than 7.0 mm

Now we need the area to the right of 7 (1 - the area to the left of 7)

<h3>(See picture 2 attached) </h3>

<em>In Excel use </em>

<em>1-NORMDIST(7,4.5,1.5,1)  </em>

<em>In OpenOffice Calc use  </em>

<em>1-NORMDIST(7;4.5;1.5;1) </em>

and we get the value 0.0478 (or 4.78%)

(c) the thickness is between 3.0 mm and 7.0 mm

We are looking for the area between 3 and 7

<h3>(See Picture 3) </h3>

Since the area under the Normal equals 1, we have

Area to the left of 3 + Area between 3 and 7 + Area to the right of 7 = 1

Hence,  

0.1587 +  Area between 3 and 7 + 0.0478 = 1

and

Area between 3 and 7 = 1 - 0.1587 - 0.0478 = 0.7935 (or 79.35%)

4 0
3 years ago
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jek_recluse [69]

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8 0
2 years ago
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The residence of a city voted on whether to raise property taxes the ratio of yes to no votes was 2 to 3 is there were 4795 tota
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Answer: The number of yes votes = 1918.

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Given : The ratio of yes to no votes = 2:3

Then the ratio of yes to total votes = \dfrac{2}{2+3}=\dfrac25

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4 0
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