math

posted by .

How would I explain that it is half of 420?

  • math -

    5 is 1/2 of ten
    so if 10x42=420
    then 5x42=420/2=210

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Chemistry

    1) Assume that the reference half-cell is changed to a standard mercury-mercury (II) half-cell. a) What would be the reduction potential of a standard chlorine half-cell. c) What would be the cell potential of a standard chlorine-nickel …
  2. Pre-calculus

    A set of data is normally distributed with a mean of 500 and standard deviation of 40. a). What percent of the data is between 460 and 540?
  3. math

    im having problems with these word problems. A bill is sent to the President of the United States when it has passed both houses of Congress. A majority vote in both the House of Representatives (435 members) and the Senate (100 members) …
  4. Math

    The area of a rectangle is 420 sq. meters. The width is 1 meter longer than half the length, find the dimensions of the court. Not sure how to do this, although I know the answer.
  5. Math

    How do I make a bar graph with this? Mass Distance Mass Distance Empty Full 161 456 420 546 161 273 420 455 161 456 420 456
  6. Geometry

    On a trip from Virginia to Florida the Smith family wants to travel at least 420 miles in 8 hours of driving, what must their average rate of speed be?
  7. Math

    Which set of factors of the number 420 has the least possible sum?
  8. Math

    I know when you decrease the height of a cone by half that the volume decreases by half from plugging in the numbers in the formula. However, I don't how to explain in words why a decrease in height by half results in a decrease in …
  9. math

    what is the mean median mode and range of 420,450,480,440,420,490,580,590,510, 450,430,480
  10. math

    1‚Äč. Write as a single power: 420 + 420 + 420 + 420

More Similar Questions