Answer:
y = x + 7
Step-by-step explanation:
3y - 3x = 21
3y/3 - 3x/3 = 21/3
y = x + 7
Answer:
1 hour and 17 minutes and 7 sec
Step-by-step explanation:
.
Answer:
729 is a perfect square
Step-by-step explanation:
because 27 * 27 = 729
Answer:
3 and 5
Step-by-step explanation:
In the expression on the right, the 8 is being multiplied by both 3 and 5. So the blanks should be occupied by 3 and 5.
Answer:
yes; 4² + 3² = 5²
Step-by-step explanation:
Pythagorean theorem.
In a right triangle the square of the hypotenuse is equal to the sum of the squares of the other two sides. Hypotenuse is the longest side of the triangle.
4² + 3² = 5²
16 + 9 = 25
25 = 25
