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Viktor [21]
3 years ago
11

You have 45 pencils. Five out of every 9 are yellow pencils and the rest are brown. How many pencils are yellow?

Mathematics
2 answers:
Aleks [24]3 years ago
5 0

Five out of every nine pencils are yellow. You can make a fraction for this:

\frac{5}{9}

You have 45 pencils. To find the amount of yellow pencils, multiply the fraction by 45. First set up the equation:

\frac{5}{9} \times 45

Make 45 as a fraction so that you'll be multiplying fractions together. It will also make it easier.

To write a whole number as a fraction, <em>ALWAYS</em> make the whole number the denominator and 1 as the numerator.

45 \rightarrow \frac{45}{1}

Here is the "new equation":

\frac{5}{9} \times \frac{45}{1}

Multiply. You multiply the numerators and denominators together.

\frac{5}{9} \times \frac{45}{1} =\frac{225}{9} = 25

That means <u>25</u> pencils are yellow

Mandarinka [93]3 years ago
5 0

5/9 * 45/1 is 25

25 pencils are yellow hope this is helpful, have a good day! :D

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ANSWER

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EXPLANATION

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250 \: miles \equiv11 \: gallons

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x \: miles \equiv16 \: gallons


All other things being equal, the motorist should cover more than 250 miles with 16 gallons of gas.

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x =  \frac{250 \times 16}{11}




x =  \frac{4000}{11}   = 363.6 \: miles


Therefore the correct answer is C.

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2 years ago
Y=8-2x when x=8 the value of y
Lera25 [3.4K]

Answer:

-8

Step-by-step explanation:

Given that x and y are two variables.  they are related by the function

y =8-2x

Since x and y are related, given one value we can find the other using this equation.

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Substitute x value in the equation

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8 0
3 years ago
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Answer:

Step-by-step explanation:

lets say "a" for the empty line,

for small triangle; y^2 = 2^2 + x^2

right triangle; we say a for empty line, a^2= 6^2 + x^2

and big triangle covering both triangles, 8^2 = y^2 + a^2

lets add left sides and right sides in each;

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4 0
2 years ago
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