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ella [17]
2 years ago
12

Round 644.4 644.4644, point, 4 to the nearest one.

Mathematics
2 answers:
creativ13 [48]2 years ago
7 0

Answer:

644

Step-by-step explanation:

Over [174]2 years ago
6 0

Answer:

6 \\ 6 \\ 0

Step-by-step explanation:

to  \: the \:  nearest  \: one \to \: and \: not \: one \: hundred \\

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Change the expression to a single square root, or its opposite:
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Answer:

a)2\sqrt{2}=\sqrt{8}

b)-7\sqrt{3} =-\sqrt{147}

c)\frac{1}{3} \sqrt{18b}  =\sqrt{2.b}

d)5\sqrt{y} =\sqrt{25y}

e)-6\sqrt{2a}  =-\sqrt{72a}

f)-0.1\sqrt{200c}=-  \sqrt{2c

Step-by-step explanation:

a) 2\sqrt{2}=( \sqrt{2}  )^2.\sqrt{2}=(\sqrt{2})^3 = \sqrt{2^3} =\sqrt{8}

b)-7\sqrt{3} =-(\sqrt{7} )^2\sqrt{3} =-\sqrt{7^2.3} =-\sqrt{147}

c)\frac{1}{3} \sqrt{18b} =\frac{1}{3} \sqrt{9.2.b} =\frac{1}{3} \sqrt{3^2.2.b} =\frac{1}{3} \times 3\sqrt{2.b} =\sqrt{2.b}

d)5\sqrt{y} =\sqrt{5^2} \sqrt{y}=\sqrt{25y}

e)-6\sqrt{2a} =-\sqrt{6^2}\sqrt{2a}  = -\sqrt{36.2a} =-\sqrt{72a}

f)-0.1\sqrt{200c}=-\frac{1}{10}  \sqrt{10^2.2c} =-\frac{1}{10}\times10  \sqrt{2c}=-  \sqrt{2c

4 0
3 years ago
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2 years ago
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Answer:

5 customers

Step-by-step explanation:

If she takes 1 hour to trim and 1 hour to style, she will take 2 hours per customer.

She plans to work 3 hours a day. So, she can only fit 1 customer in per day because if she scheduled 2 she would need at least 4 hours.

If she can only have 1 customer per day over a 5 day week she will only be able to schedule 5 customers per week.

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3 years ago
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