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3 years ago

What is 39/9 as a mixed number?

1 answer:

6 0

So,

To convert 39/9 into mixed fraction form, first find how many wholes fit into 39.
9 * 4 = 36

That is the maximum number of wholes that can fit.

39 - 36 = 3

We have 3 ninth's left.
$\frac{3}{9} = \frac{1}{3}$

So we can write it in mixed fraction form.
$4 \frac{1}{3}$

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Solve the equation. 2(3x – 5) = 8

stiks02 [169]

You would distibute first distribute

6x-10=8

add 10 on both sides

6x=18

Then you divide 6 on both sides to get x by itself so

x=3

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3 years ago

Factorize this expression completely <br>using (a-b)² formula<br>3a²- 36a + 108

Novosadov [1.4K]

Answer:

$3a^2 - 36a + 108 = (\sqrt{3}a - 6\sqrt{3} )^2$

Step-by-step explanation:

$3a^2 = (\sqrt{3} a)^2\\108 = 9 \times 4 \times 3= 3^2 \times 2^2 \times 3 = (3\times2 \sqrt{3} )^2 = (6\sqrt{3})^2$

$so, a = \sqrt{3} a \ , \ b = 6\sqrt{3} \\\\(a - b)^2 = a^2 -2ab + b^2\\\\-36a = -2ab\\\\-36a = -2 \times \sqrt{3} a \times 6\sqrt{3}$

Therefore ,

$3a^2 - 36a + 108 = (\sqrt{3}a )^2 - 2(\sqrt{3}a \times 6\sqrt{3} ) + (6\sqrt{3} )^2 = (\sqrt{3}a - 6\sqrt{3} )^2$

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3 years ago

2) Tell whether each statement about the expression 5y + 9 is True or False

Snezhnost [94]

True the variable in the expression is y

7 0

3 years ago

Read 2 more answers

What number makes the sentence true?<br> 15 – 7 = 3+1

nasty-shy [4]

Answer:

Step-by-step explanation:

Although you didn't give me any answers to go with your problem, I am assuming that since 15-7 is 8, and 3 + 1 = 4, the answer should be 4. Now regarding if it is times, it would be x2. Because for times 2 would be 8. Overall the answer should be 4.

3 0

3 years ago

Helpppp. I don’t understand

Pie

Multiply 2^(-5) by 2^6. The correct result is 2^1, or just 2 (inches).

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3 years ago