Emma’s average speed in kph should be 54 kilometers per hour. I got this by putting 1 hour and 20 minutes into just minutes. which would be 80 minutes then dividing 72km by 80 minutes. Which gave me 0.9. Then multiplying 0.9 by 60 because there are 60 minutes in an hour. Which gave me 54 kph. hope I helped.
Hey there,
For part A: y < x
y > -2x
f(x) = 4 -2x^2
First we need to find f(6)
f(6) = 4 - 2( 6) ^2 = 4 - 2(36) = 4 - 72 = -68
Then we need to find
f(-6) = 4 - 2( -6) ^2 = 4 -2( 36) = 4 - 72 = -68
Now we find the average or mean slope
The mean slope is zero
Now f'(c) must equal 0
The derivative is -4x and evaluated at c
-4c
This must be equal to 0
-4c =0
Solving for c
c=0
9514 1404 393
Answer:
2.4 ft by 1.6 ft
Step-by-step explanation:
The scaled size is 1/5 the actual size, so is ...
12 ft/5 = 2.4 ft
by
8 ft/5 = 1.6 ft
_____
To convert to inches, multiply by 12 in/ft.
2.4 ft = (2.4 f)(12 in/ft) = 28.8 in
1.6 ft = (1.6 ft)(12 in/ft) = 19.2 in
In inches, the width and length on the blueprint are 28.8 in and 19.2 in.
Answer:
m = 11/36
Step-by-step explanation:
6/7 m - 1/7 = 5/ 42
Multiply each side by 42 to clear the fractions
42(6/7 m - 1/7) = 5/ 42 *42
36m - 6 = 5
Add 6 to each side
36m -6+6 = 5+6
36m = 11
Divide each side by 36
36m/36 = 11/36
m= 11/36
