5 1/2 x is the correct answer! 5x must be multiplied by both fractions within the parentheses. Please vote my answer brainliest!
0.5 + 0.007 = 0.012
So the answer is 12 thousandths
The formula for a triangular pyramid is 1/3AH. A is the area of the base. H is the height of the pyramid. So to find the area of a right triangle, you would use the formula (a x b)/2. So (10 x18)/2 is 90 inches^2. Now you can fill in the first formula. 1/3(90 x 14), which equals 420 inches^3. I hope you find this helpful (if correct.)
Answer:
450
Step-by-step explanation:
639 is what percent of 142? = 450.
