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-Dominant- [34]
3 years ago
11

Which property best justifiies why the two expressions below are equivalent? 3(m+5)=3m+15

Mathematics
1 answer:
nadya68 [22]3 years ago
4 0
The answer is the distributive property because it states that if you have a number multiplied by a quantity, you can just multiply that number by each of the terms in the quantity. For example, a(x+y)=ax+ay.

Hope this helps!
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Solve: (x ÷ 4) + 8 = 38
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First you have to rewrite the equation:
(x ÷ 4) + 8 = 38

Second you have to write the division as fraction:
(¼x) + 8 = 38

Third you have to take off the unecessary bracket:

¼x + 8 = 38

Fourth multiply 8 and 38 by 4
x + 32 = 152

Fifth step move the constant to the right hand and change the sign.
x = 152 - 32

Then subtract:

x = 120

Hope this helps :))
5 0
3 years ago
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Ierofanga [76]

Step-by-step explanation:

we can find the value of c by Pythagoras theorem

according to Pythagoras theorem

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h² = √900 = 30

c = 30

therefore, value of c is 30.

Hope this answer helps you dear!

3 0
2 years ago
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If you flip a coin 150 times about how many times would you expect to get heads
meriva
A coin has two sides, which means it has a 1/2 chance of landing on each individual side when you flip the coin. Since there is a 1/2 chance of landing on each side, you could expect the coin to land on "Heads' 75 times. 
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