3 years ago

Can someone help me with question 7

Mathematics

1 answer:

Shalnov [3]3 years ago

6 0

For the area just multiply x^2y^3 by 2.

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Ab= 6cm Ac=12cm <br> Calculate the length of Ad <br> Give your answer to 3 significant figures

Allisa [31]

Answer:

12.686cm

Step-by-step explanation:

By using pythagoras, we can find CB.

We know that $a^2+b^2=c^2$

Therefore, $12^2-6^2=CB^2$

$CB=\sqrt{108}$ (it has to be positive since it is distance)

now we look at triangle BCD and use SOH CAH TOA.

$Sin55=CB/CD\\Therefore, CD= 12.686$

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2 matchsticks have the same length as 3 bottles tops.

Phantasy [73]

Multiply the ratio by 25 and then you will get 50 matchsticks, and 75 bottle tops :)

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Biological factors that may influence the onset of a personality disorder include all of the following except

viva [34]

Answer:

Not D or B

Step-by-step explanation:

Genetic influences play a part in many mental and personality disorders. Reduce frontal-lobe activity is a characteristic of many disorders such as alcohol dependence.

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4 years ago

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stepladder [879]

Answer:

True

Step-by-step explanation:

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3 years ago

Please help with this question I have been stuck on it for so long

Thepotemich [5.8K]

Answer:

Step-by-step explanation:

If i is 300 times as much as k, then i=300k.

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