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rodikova [14]
4 years ago
7

Find the unknown value 18 is 50% of

Mathematics
1 answer:
nasty-shy [4]4 years ago
6 0
Question : 18 is 50% of what number?

Answer : 36.

How : well if you multiply 18 times 2 the answer is 36. Since 18 is half of 36, being 50%

-procklown
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A.) Kathy starts each week with 108 phones to fix.
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What is a synthetic material made of?
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A school basketball team has an expense account and a fundraising account. After t weeks, the balance of the expense account is
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4 0
3 years ago
Check that 2b + b and 3b have the same value when b is 1,2, and 3
Misha Larkins [42]

For this case we have the following expressions:

2b + b\\3b

For b = 1:

2 (1) + 1 = 2 + 1 = 3\\3 (1) = 3

For b = 2:

2 (2) + 2 = 4 + 2 = 6\\3 (2) = 6

Forb = 3:

2 (3) + 3 = 6 + 3 = 9\\3 (3) = 9

For any number, the expressions will be equivalent because 2b + b = 3b

ANswer:

(2b + b)and 3b have the same value for b = 1,2,3

6 0
4 years ago
How do you know that 1.026÷5.051≠0.02 without doing the​ division?
OLga [1]

Answer:

Mental Math and Logic

Step-by-step explanation:

You might not have access to a calculator, so when times comes like this when you have to validate a statement if wrong or right, mental math comes in help.

You only need the approximate number to do something like mental math. Both numbers divided by each other, is really close to their whole numbers of 1 and 5, respectively. If you divide 1/5, you get 0.2, which is not what the answer is.  0.02 and 0.2 are very different answers, and you would not get 0.02 no matter how many decimals after that 1.0 and 5.0.

Which means the statement is not true based on logic and mental math.

4 0
2 years ago
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