Answer:
Step-by-step explanation:
∠FGE + 110 = 180 {linear pair}
∠FGE = 180 - 110
∠FGE = 70°
The time taken for radio signal to the earth's surface we shall proceed as follows;
time=(distance)/(speed)
Distance=7.5×10^6 meters
speed=3×10^8 meters/second
therefore:
Time=(7.5×10^6)/(3×10^8)=0.025 seconds
We conclude that it will take the signal 0.025 seconds to reach the surface of the earth.
Answer: 1200 pennies
Step-by-step explanation:
Let x be the number of pennies Yoko's bank can hold.
We can set up an equation representing the information given.

We can multiply both sides by 15:
6x + 4800 = 10x
Combine like terms:
4x = 4800
Divide both sides by 4:
x = 1200
Answer: 15
Step-by-step explanation: 40 x 0.25 = 10 then 10 - 25 = 15
(f o g)=f(g(x))
just sub
f(g(x))
sub g(x) for x in f(x)
g(x)=2x
2x=x in f(x)
f(g(x)=f(2x)=5(2x)+1=10x+1
(f o g)=10x+1