A coin contains 1.25 grams of nickel and 3.75 grams of copper, for a total weight of 5 grams what percentage of the metal in coin is copper

Solve the quadratic equation: x^2-2x-48=0

K (n) = n^3-3n; Find k (-5)

Write the following statements as mathematical implications: (c) "it is necessary that positive numbers are > 7. (d) to show a number is +, it is sufficient to show it is >10.

Jacob drive for 4 hours at 23 miles per hour, how far did he travel?

The tasty swirl sells ice cream for $4 dollars a bowl for the first bowl, and $2 for each bowl after that. Can you determine the cost when a family buys 1,2,3 and 4 bowls of ice cream at each place.

the perimeter of the flag is 2340 ft. what is the flags width and length if the length is 330 ft. greater than the width

48% = looking for a fraction

Boxes of shablamceral originally cost $3.00. The store has reduced the price by 25%. You have a coupon for an additional 20% off the already discounted price. What is the final price of the cereal

Write the number in order from greatest to least 7 9/10, 8.04, 7 1/6, 7.85

Two triangles are similar, and the ratio of the lengths of each pair of corresponding sides is 2:1. which statement regarding the two triangles is NOT True? A - Their corresponding angles have a ratio of 2:!