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3 years ago

-9 divided by 7.2 help me plz

Mathematics

1 answer:

Salsk061 [2.6K]3 years ago

7 0

Answer:

-1.25

Step-by-step explanation:

-9/7.2 = -1.25 or -5/4

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Please could I have some help :)

PtichkaEL [24]

Answer:

a) $\frac{\sqrt{15} }{\sqrt{5}}\cdot \frac{\sqrt{5} }{\sqrt{5}}=\frac{\sqrt{75} }{5}=\frac{5\sqrt{3}}{5}=\sqrt{3}$

or simply

$\frac{\sqrt{15}}{\sqrt{5}}=\sqrt{\frac{15}{5}}=\sqrt{3}$

b) $\frac{\sqrt{3}\:}{\sqrt{6}} \cdot \frac{\sqrt{6}\:}{\sqrt{6}}=\frac{\sqrt{18} }{6}=\frac{3\sqrt{2} }{6}=\frac{\sqrt{2} }{2}$

$\frac{\sqrt{3}}{\sqrt{6}}=\sqrt{\frac{3}{6}}=\sqrt{\frac{1}{2}}$

$\sqrt{\frac{1}{2}}=\frac{\sqrt{2} }{2}$

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3 years ago

Can someone help me here and check out the other two i have posted there both due soon and i have no clue how to do them

garik1379 [7]

Answer:

Since the question doesn't mention in what tide the answer should be, I will be giving a solution to both, the high and low tide. Hope this helps :)

Step-by-step explanation:

Using a cosine function, where time is measured in hours past high

tide: y=4cos30x + 10

Using a cosine function, where time is measured in hours past low

tide: y = 4cos[30(x-6)]+10

8 0

3 years ago

B. − 4 = 7 and − 4 + 4 = 7 + 4

daser333 [38]

Answeration:

they are both false

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3 years ago

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kow [346]

Answer:The answer is A

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Please help, it says NOT the correct way.

ololo11 [35]

Answer:

The first one or the 2nd one, since it says NOT worth half, I would say the first one is the answer.

Step-by-step explanation:

5 0

3 years ago