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3 years ago

A chef used 1/9 of a bag of potatoes for a meal. If the potatoes fed 5 people. What fraction of the bag did each person get

Mathematics

1 answer:

tangare [24]3 years ago

6 0

1/9 has to be divided by 5 if it is shared by others.

1/9 divided by 5 is 1/45 and each person would have 1/45

Answer is 1/45

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Determine the next step for solving the quadratic equation by completing the square.

Studentka2010 [4]

Answer:

The solutions are $x=\frac{1+\sqrt{7}}{2}$ and $x=\frac{1-\sqrt{7}}{2}$

Step-by-step explanation:

we have

$0=-2x^{2}+2x+3$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$-3=-2x^{2}+2x$

Factor the leading coefficient

$-3=-2(x^{2}-x)$

Complete the square. Remember to balance the equation by adding the same constants to each side.

$-3-0.5=-2(x^{2}-x+0.5^{2})$

$-3.5=-2(x^{2}-x+0.5^{2})$

Rewrite as perfect squares

$-3.5=-2(x-0.5)^{2}$

$7/4=(x-0.5)^{2}$

square root both sides

$x-0.5=(+/-)\sqrt{\frac{7}{4}}$

$x-\frac{1}{2}=(+/-)\frac{\sqrt{7}}{2}$

$x=\frac{1}{2}(+/-)\frac{\sqrt{7}}{2}$

$x=\frac{1+\sqrt{7}}{2}$

$x=\frac{1-\sqrt{7}}{2}$

4 0

3 years ago

1) A spinner is divided into equal red, blue, green,

Harlamova29_29 [7]

Answer:

1/18

Step-by-step explanation:

Probability of spinning red=2/6=1/3

Probability of spinning green=1/6

probability of spinning green and then red=(1/6)*(1/3)=1/18

3 0

3 years ago

At a grocery store a cake was on sale for 22% off if the original price of the cake was c what is the sale price in terms of c

Harlamova29_29 [7]

Answer:

( 39/50 ) * c

Step-by-step explanation:

Sale price = Original price - Reduced price

= C - (C * 22%)

= ( 39/50 ) * c

[If there's any mistake, please inform me]

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4 years ago

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Solve by using area model

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Can you show us the problem? What area model?

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3 years ago

What are the 2 steps that are true when you are dividing fractions.

skad [1K]

Answer:

C. Multiply by the reciprocal

A. Use the phrase keep, change, flip, then solve. 

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3 years ago

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