Answer:
21
Step-by-step explanation:
<em>Step 1: add 2 to 5</em>
=> 2 + 5
=> 7
<em>Step 2: Multiply the result by 3:</em>
=> 7 * 3
=> 21
Therefore the <u>final answer = 21</u>
Hope this helps!
Answer:
the formula for a cylinder is πr^2•h
Step-by-step explanation:
just plug in the numbers, and you can change π to 3.14 for an approximate answer!
hopefully this helps you!
To find the amount of time between two events, we can use subtraction, just like we do with regular subtraction problems. The subtraction will look something like this:
10:33
-
7:18
Like in a regular subtraction problem, we can subtract the digits that line up, like 10 and 7. Subtracting all of the corresponding digits, we get that it took Tony 3 hours and 15 minutes to finish baking the cookies.
Answer:
49/4
Step-by-step explanation:
x^2 + 7x = 4
Take the coefficient of x
7
Divide by 2
7/2
Square it
(7/2) ^2 = 49/4
Add this to each side
x^2 + 7x +49/4= 4+49/4