9514 1404 393
Answer:
(c) 52.0
Step-by-step explanation:
The angle whose cosine is 8/13 is found using the inverse cosine function:
y° = arccos(8/13) ≈ 52.0°
y ≈ 52.0
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The calculator button to compute this value is probably labeled cos⁻¹. You may need to access the function using a <em>Shift</em> or <em>2nd</em> key. The calculator must be set to degrees mode to prevent the answer from appearing in radians or grads. If you use a spreadsheet, your formula may look like ...
=DEGREES(ARCCOS(8/13))
Answer:
poop hehe
Step-by-step explanation:
Answer:
The radius of the town is 3.641 km.
Step-by-step explanation:
The density of people in the city is given by the formula:
density = number of people / area of the city
Since the city is a perfect circle, it's area is given by:
area of the city = pi*r²
We have:
480 = 20000/pi*r²
480*pi*r² = 20000
r² = 20000/480*pi
r = sqrt(20000/480*pi) = 3.641
The radius of the town is 3.641 km.
Answer:
30 pounds of raspberries and 50 pounds of blueberries
Step-by-step explanation:
Let's use b to represent blueberries and r for raspberries. Each pound of raspberries costs $1, so to find the total cost of raspberries we use 1r, which is just r. For blueberries, we do 3.25b.
r+3.25b=192.5
We also know that we can combine the numbers for 80 total pounds.
r+b=80
We can subtract the two equations we have made to eliminate the r and solve for b.
2.25b=112.5
We divide both sides by 2.25.
b=50
We know that r+b=80, so if b is 50 then r must be 30.
Have a wonderful day! :D
Answer:
111
Step-by-step explanation:
The answer is 111.
I hope this helps you.
