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3 years ago

12

A pancake calls for 1/3 cup of water. You want to have the recipe. What fraction of a cup of water do you need?

2 answers:

Karolina [17]3 years ago

5 0

Answer:

1/3 cup of water.

Step-by-step explanation:

tatyana61 [14]3 years ago

3 0

1/6 cup of water. In order to half something, you must divide by 2. When diving fractions, you must multiply by the reciprocal (opposite) so instead of 1/3 times 2/1, you would multiply 1/3 times 1/2. This gives you 1/6. To check this, divide 1/3 on a calculator. You’ll get 0. 33333333333. This divided by 2 is 0. 16666666666 which is 1/6.

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Convert the following repeating decimal to a fraction in simplest form .31 with the 1 repeating

bekas [8.4K]

Answer:

14/45

Step-by-step explanation:

So we have the fraction:

$0.3\bar1=0.31111...$

We can do this algebraically. Follow to following steps:

Let's let this number equal to n. Thus:

$0.31111...=n$

Since there is only 1 digit repeating, let's multiply everything by 10. So:

$3.1111...=10n$

Now, subtract n from both sides:

$3.1111-n=10n-n$

On the left, substitute the number for n. On the right, combine like terms:

$3.1111...-0.31111...=9n$

All of the 1s will cancel. So:

$3.1-0.3=9n$

Subtract:

$2.8=9n$

Divide both sides by 9:

$n=2.8/9$

Remove the decimal by multiplying both sides by 10:

$n=28/90$

Reduce:

$n=14/45$

And we're done!

Use a calculator to check:

$14/45\stackrel{\checkmark}{=}0.31111...$

7 0

3 years ago

What is the product 3x5(2x2+4x+1)

lesya692 [45]

Answer:

$6x^7+12x^6+3x^5$

Step-by-step explanation:

The given expression is:

$3x^5(2x^2+4x+1)$

We expand the parenthesis using the distributive property to obtain;

$3x^5(2x^2)+3x^5(4x)+3x^5(1)$

Recall that;

$a^m\imes a^n=a^{m+n}$

We apply this property and multiply out the constant terms to obtain;

$6x^7+12x^6+3x^5$

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Answer:

4

Step-by-step explanation:

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noname [10]

Answer:

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Step-by-step explanation:

We can keep every things in the blank boxes.

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Mama L [17]

Answer: 4

4 is the correct answer

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3 years ago