Answer:
D: c^2 + (x+5)^2 = 841
Step-by-step explanation:
edge :)
Pyramid Surface Area = (½ * Perimeter of Base * Slant Height) + Base Area
Base perimeter = 4 * 18 = 72 inches
Base Area = 18*18 = 324 square inches
Pyramid Surface Area = (.5 * 72 * 12) + 324
Pyramid Surface Area = 432 + 324
Pyramid Surface Area = 756 square inches
Source:
http://www.1728.org/volpyrmd.htm
The answer is <span>c. 25
</span>
<span>sin(ϴ + 15) = cos(2ϴ)
</span>sin(ϴ + 15) =sin(25 + 15) =<span>sin(40) =0.64
</span>cos(2ϴ)=cos(2x25)=<span>cos(50)=0.64
</span> so <span>ϴ=25</span>
Answer:
$1200
Step-by-step explanation:
First, round the amount paid per month to the nearest hundred.
When rounding, follow this rule: If 5 or more, round up. If 4 or less, round down.
Round 80 to the nearest hundred. Round up because 8 is 5 or more
$80 ⇒ $100
Now calculate amount Joey pays each year.
Since there are 12 months in a year, multiply the rounded payment ($100) per month by 12.
$100 X 12 months = $1200 per year
Therefore, an estimate of how much Joey pays each year for a math tutor is $1200.
6/144=d/720
d=6*720/144
d=30 defective units
