Answer:
C. 253.5
Step-by-step explanation:
Answer:
-74
Step-by-step explanation:
f(x) = -2x^2 +8x -10
Let x = -4
f(-4) = -2 ( -4)^2 +8(-4) -10
= -2(16) -32-10
= -32 -32-10
= -74
Hello!
First you have to count how many tallies the car went 9 tallies
Multiply the amount of tallies by how far they represent
9 * 0.8 = 7.2 meters
The car when 7.2 meters in half a second so we double this to get how fast it was going a second
7.2 * 2 = 14.4
The answer is 14.4 m/s
Hope this helps!
Answer:
Step-by-step explanation:
<u><em>The question in English is </em></u>
A cube whose edge measures x cm has as its surface area
we know that
The surface area of a cube is equal to the area of its six square faces
so
where
b is the length side of each square face of the cube
we have
substitute
Answer:
n=0 , m= 13 A
Step-by-step explanation: