Surface Area of A Cylinder.
As=2(3.14)rh+2(3.14)r^2
Radius: 6in
Height: 9 in
Plug it in:
2(3.14)(6)(9)+2(3.14)(6^2)
6.28(54)+6.28(36)
339.12+226.08= 565.2
Therefore, it will take about 565.2in^2 of wrapping paper to cover the whole present.
Always when multiplying a positive number by a negative number, the answer is negative. So C and D Are out.
You calculate and Get -84
So, the Answer is A (-84)
Hope this Helps :)
Answer:
Q = (P-9)/2
Step-by-step explanation:
Answer:
John and Pam are paid $8.5 for each hour worked. John's share of the money is $29.75.
Step-by-step explanation:
Let x = the hourly salary. John worked for 3.5 hrs, and Pam for two. We can represent this using the equation:
3.5x + 2x = 46.75, where the coefficients equals the amount of hours.
Let's solve for x!
5.5x=46.75
x = 46.75/5.5 = 17/2 = 8.5
John and Pam are paid 8.5 dollars per each hour worked.
To figure out John's share of the money, we will multiply the wage by the hours he worked.
8.5 x 3.5 = 29.75
Answer:
A. 5
Step-by-step explanation:
The triangle will be a right triangle when the side lengths satisfy the Pythagorean theorem: the sum of the squares of the legs is equal to the square of the hypotenuse.
(x +1)^2 +x^2 = (√61)^2
x^2 +2x +1 +x^2 = 61 . . . eliminate parentheses
2x^2 +2x = 60 . . . . . . .subtract 1, collect terms
x^2 +x -30 = 0 . . . . . divide by 2, subtract 30
(x +6)(x -5) = 0 . . . . factor the quadratic
x = -6 or +5
The solution is x = 5.
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Side lengths cannot be negative. Solution values are values of x that make the factors zero. x+6=0 when x=-6, for example.
