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Mathematics

1 answer:

taurus [48]3 years ago

8 0

Answer:

Step-by-step explanation:

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30 find the length of AB. D 20 C Show your work

vovikov84 [41]

You use Pythagoras theorem for this:
You add 52 and 20 for AC which is 72
So you do
X^2 = 72^2 + 30^2
X^2 =5184 + 900
X^2= 6084
X = 6084 squared root
X= 78

4 0

2 years ago

Question 6 What is the additive inverse of 87? * Your answer

polet [3.4K]

Answer:

Additive Inverse of 87 = -87

Step-by-step explanation:

Since the additive inverse of 87 is -87, additive inverse is also known as the opposite number. To get the additive inverse of a postive number you put a minus in front of it and to get the additive inverse of a negative number, you remove the minus to make it a positive number.

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3 years ago

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sergiy2304 [10]

Answer:

Correct amnswer is A

Step-by-step explanation:

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3 years ago

Alexandra has a stand in the marketplace where she sells her cumin for 7.20 per kilogram. If she sells 90 kilograms of cumin her

Drupady [299]

Answer: