1 year ago

Can someone help me with this problem having trouble

1 answer:

4 0

So the bottom line is for vehicle weight so if you look at the bar at the top it says 25 so go to the graph and put a dot on 25 and then it says city mp is 27 so you put a dot between 25 and 30 and the connect it with a line

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An open box is made from a square piece of cardboard 30 inches on a side by cutting identical squares and turning up the sides.

pychu [463]

Step-by-step explanation:

The length of the box is 30 − 2x inches.

The width of the box is 30 − 2x inches.

The height of the box is x inches.

So the volume is:

V = x (30 − 2x)²

V(3) = 3 (30 − 6)² = 1728

V(4) = 4 (30 − 8)² = 1936

V(5) = 5 (30 − 10)² = 2000

V(6) = 6 (30 − 12)² = 1944

V(7) = 7 (30 − 14)² = 1792

As x increases, the volume of the box increases to a maximum and then decreases.

The ends of the domain occur when V = 0.

0 = x (30 − 2x)²

x = 0 or 15

So the domain is (0, 15).

3 0

2 years ago

Ginny is studying a population of frogs. She determines that the population is decreasing at an average rate of 3% per year. Whe

svp [43]

Answer:

Step-by-step explanation:

This is exponential, of the form

$y=a(b)^x$ where a is the initial amount and b is the growth/decay rate. If Ginny begins the study with 1200 frogs in the population, our a value is 1200.