Answer:
Step-by-step explanation:
Answer:
<em>x = 5/3 </em>or<em> x = -3</em>
Step-by-step explanation:
3x² + 4x - 15 = 0
Factor left side.
(3x - 5)(x + 3) = 0
Set factors equal to 0.
3x - 5 = 0
3x = 5
x = 5/3
x + 3 = 0
x = -3
Answer:
d
Step-by-step explanation:
to find the surface area you have to add all the following numbers and double them
hope this helps
Answer:
48 or 66
Step-by-step explanation:
Even numbers have digits that add to 12: 39, 48, 57, 66, 75.
48 and 66 are even and add up to 12.
Answer:
x = 25
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse x is equal to the sum of the squares on the other two sides, that is
x² = 20² + 15² = 400 + 225 = 625 ( take the square root of both sides )
x = 
= 25
