An easy way to do this mentally is split up the numbers:
90 x 4
9 x 10 x 4
9 x 4 x 10
36 x 10
360
Hope this helps :)
Answer:
cookies
Step-by-step explanation:
<span>For the answer to the question above, this is the formula for finding the rectangular base.
P = 2L + 2W</span>Consider the Width being twice as long as the length. If we write it down, it will look like this<span>W= 2 L</span>We'll plug that into the perimeter equation,<span>P = 2L + 2W→ P = 2L + 2(2L)</span>Now, just simplify the equation and problem is solved.
I hope I helped you with my answer.
Answer:
-4+(-3)= -7. The dolphin is -7 feet below sea level
Step-by-step explanation:
Start at -4 on the number line. When you add a negative number to a negative number, you move left on the number line. Move 3 units to the left to land at -7. The dolphin is 7 feet below sea level.