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Reil [10]
3 years ago
14

simplify 1/6 divided by 5/9 (Write final answers in lowest terms and mixed numbers, if necessary.) and please explain

Mathematics
1 answer:
Mkey [24]3 years ago
4 0

Answer:

\frac{3}{10}

Step-by-step explanation:

to divide 2 fractions follow the procedure

• Leave the first fraction

• Change division to multiplication

• Turn the second fraction upside down

• Simplify by cancelling common factors, if possible

\frac{1}{6} ÷ \frac{5}{9}

= \frac{1}{6} × \frac{9}{5} (cancel 6 and 9 by 3 )

= \frac{1}{2} × \frac{3}{5}

=\frac{1(3)}{2(5)}

= \frac{3}{10} ← in simplest form

The fraction is in simplest form when no factor apart from 1 divides into the numerator/ denominator




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Answer:

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Step-by-step explanation:

Part 1) Find the inequality that describes the relationship between the number of cookies each one of them has

Let

x----> the number of cookies when Jessica started

30-x ----> the number of cookies when Martha started

we know that

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so

The cookies left in each bag are

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The product of the number of cookies left in each bag is not more than 80.

so

(x-6)(24-x)\leq 80\\ \\24x-x^{2}-144+6x\leq 80\\ \\-x^{2} +30x-144-80\leq 0\\ \\-x^{2} +30x-224\leq 0

Multiply by -1 both sides

x^{2} -30x+224\geq 0

Part 2) Solve the quadratic equation

x^{2} -30x+224\geq 0

Solve by graphing

The solution is x=16 cookies

so

(30-x)=30-16=14 cookies

therefore

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The number of cookies when Martha started was 14 cookies

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Jessica

16-6=10 cookies

Martha

14-6=8 cookies

Jessica has at least 2 cookies more than Martha

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