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Murrr4er [49]
3 years ago
10

roberto needs 6 cookies and 2 brownies for every 4 plates he makes for a bake sale. how many does roberto need for 10 plates?

Mathematics
1 answer:
lapo4ka [179]3 years ago
6 0
1.5 cookies and 0.5 brownies are needed for 1 plate. In 10 plates, you will need 15 cookies and 5 brownies.
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Lynna [10]

Answer:

\frac{18p-5}{30}

Step-by-step explanation:

8 0
3 years ago
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Simplify y^-3 <br><br> a.3/y<br> b.1/y^3<br> c.-3y<br> d.-1/y^3
nignag [31]

Answer:

b. \frac{1}{y^3}

Step-by-step explanation:

Here we are given  y^{-3} and are asked to simplify it. We are going to apply the law of exponents which says that

a^{-n}=\frac{1}{a^n}

Hence applying this rule in our problem we get, where a=y and n=3

y^{-3}=\frac{1}{y^3}

Hence our C) Option is correct

3 0
3 years ago
In a survey of music preferences 81 out of 450 students said that they preferred country music what percent of the students pref
Kazeer [188]
To write 81/450 as a percent have to remember that 1 equal 100% and that what you need to do is just to multiply the number by 100 and add at the end symbol % .
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81/450 * 100 = 0.18 * 100 = 18% </span>
81/450 as a percent<span> equals </span><span>18%</span>
6 0
3 years ago
You are the manager of a firm that sells its product in a competitive market at a price of $48. Your firm's cost function is C =
topjm [15]

Answer:

the correct answer is truly

Step-by-step explanation:

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4 0
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If a necklace is $250, and it's 125% of the original price, what's the original price?
Dima020 [189]
The original price would have been $312.5
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