3 years ago

51. The formula d=rt gives the

Mathematics

1 answer:

Reil [10]3 years ago

3 0

Answer:

C. 56

Step-by-step explanation:

252/4.5=56

Using the formula you can get this answer

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3. Find to the nearest thousandth: log7 80

enot [183]

Answer:

I believe 1000

Step-by-step explanation:

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3 years ago

One number is bigger than other number by 3 and the sum of these two number is 43

Zepler [3.9K]

$x-first\ number\\x+3-second\ number\\x+(x+3)=x+x+3=2x+3-the\ sum\ of\ these\ numbers\\43-the\ sum\ of\ these\ numbers\\\\therefore\\\\2x+3=43\ \ \ \ |subtract\ 3\ from\ both\ sides\\2x=40\ \ \ \ \ |divide\ both\ sides\ by\ 2\\x=20-first\ number\\x+3=20+3=23-second\ number\\\\Answer:\boxed{20\ and\ 23}$