Answer:
74.33
Step-by-step explanation:
We need to figure out the surface area. The formula for surface area is A=2πrh+2πr2
We substitute r with the radius of this cylinder and the h represents the height of this cylinder. The height we can find because we just add the diameters of the tennis balls. So 2.6*3 = 7.8. Then we get the radius, which will just be the radius of a sphere, so 1.3. Then we plug them into the formula, giving us 74.33
The inverse operation of division is multiplication <span />
Answer:
0
Step-by-step explanation:
y = 6x + 6
y = 6x - 12
Because both equations are equal to y, we can set them equal to each other, resulting in
6x + 6 = 6x - 12
Subtract 6x from both sides to eliminate the x values
6 = -12
This is impossible, so there are no solutions.
Answer:
y = 9.4
x = 5.7
Step-by-step explanation:
From the given triangle
Opposite to the acute angle is y
Hypotenuse = 11
Angle = 59degrees
using the SOH CAH TOA identity
sin 59 = opp//hyp
sin59 = y/11
y = 11sin59
y = 9.4
Also
Adjacent = x
cos theta = adj/hyp
cos 59 = x/11
x = 11cos59
x = 5.7
Answer:
36.36
Step-by-step explanation:
We can express 10% as a decimal by multiplying it by (1/100), resulting in 0.1. Therefore, adding 0.1 of the original price, or x, to the price will result in 40, so x+0.1*x=40
= 1.1x
Dividing both sides by 1.1, we get that x, or the original price, is $36.36 (approximately).