Which of the following are mathematical sentences? Check all that apply.

Mathematics

2 answers:

zepelin [54]3 years ago

6 0

C,d,e i think and hope this could help you

shutvik [7]3 years ago

6 0

A and F are not math'l sentences; they're just numbers.

B, C, D and E all comment on the equality of two sides of given equations and are thus math'l sentences. For example: "10 times some number r equals 40."

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What is the least common denominator for 5,6,and7?

olga nikolaevna [1]

Answer:

210

Step-by-step explanation:

5 is a prime number, 6 = 2·3 and 7 is a prime number. Since those number do not have common factors, the least common multiple will be their product:5·6·7 = 210 . Given fractions are already in order from least to greatest.

7 0

3 years ago

I am having difficulties solving this problem someone pls help.

igor_vitrenko [27]

Answer:

Each time, the x is being multiplied by -3 to result in the output.

So for every x input, multiply by -3.

For the y output for 15, you would divide by -3 to find the input x

For example, when 7 is the input, multiply by -3, and the output y would result in -21.

7 0

3 years ago

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