3 years ago

Plz help me and explain the answer

Mathematics

1 answer:

Allisa [31]3 years ago

6 0

1 foot= 12 inches
so divide 30 into 12 which equals 2ft and 5 inches

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Can someone explain to me how to do this question? It needs to be simplified and no decimals or fractions.

Masteriza [31]

$\sqrt{180} - \sqrt{45 } \\ = \sqrt{2 \times 2 \times 3 \times 3 \times 5} - \sqrt{3 \times 3 \times 5 } \\$

Taking common

$\sqrt{3 \times 3 \times 5} ( \sqrt{4} - 1) \\ = 3 \sqrt{5} (2 - 1) \\ = 3 \sqrt{5}$

Hope it helps mate

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4 years ago

Solve for s. 1/2 s = 7/2. A 1/7. B 2/7. C 3. D 7.

fenix001 [56]

Simple equation and only requires one step to solve. Remember, a number and a variable juxtaposed means multiplications.

$\frac{1}{2} s = \frac{7}{2} \\ \\\frac{(\frac{1}{2}s)}{\frac{1}{2}} = \frac{\frac{7}{2}}{\frac{1}{2}} \\ \\\\s = \frac{\frac{7}{2}}{\frac{1}{2}} \\ \\\\s = \frac{7}{2} * \frac{2}{1} \\ \\\\s = 7$

One step? I know. It seems more because I was slowing down the calculations for you so could understand everything happening. For someone who can do this in their sleep it would, for them, take one step.

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3 years ago

Read 2 more answers

What is 4/6 + 5/6<br> If you could answer plz <3

Vikentia [17]

Answer: 9/6. The simplified answer would be 1 1/2!

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3 years ago

Number 2 help idk what to do Id understand

horsena [70]

The correct answer is (9 in the ones place) because dividing by 10 is moving back one tens place

3 0