Jake went to the movies. His mom dropped him off at 6:30 pm and picked him up at 8:50 pm. How long was Jake at the movies?

Mathematics

2 answers:

VikaD [51]3 years ago

6 0

Answer:

B. 2 hours and 20 minutes

Step-by-step explanation:

Hope this helped!! :3

Solnce55 [7]3 years ago

4 0

8:50 -
6:30

= 2:20

2 hours and 20 minutes

Option B is correct

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F=(9/5) C +32, C=15 Can you show me what a graph looks like?

CaHeK987 [17]

Answer:

Step-by-step explanation:

F=(9/5) C +32 has the form of the equation of a straight line: y = mx + b, where m is the slope and b is the y-intercept. By comparing these two equations we see that the slope, m, is (9/5) and the y-intercept is 32 (or (0, 32)).

To graph this, first locate the y-intercept (0, 32); put a dark dot there. Since the slope is 32, or 32/1, move your pencil point 1 unit to the right, from (0, 32) to (1, 32), and then from (1, 32) move y our pencil point 32 units upward. Plot another dark dot there and then draw a straight line through these two points.

We can evaluate the given function F=(9/5) C +32 at C = 15 by replacing C in the formula with 15: F = (9/5)(15) + 32, or F = 59.

8 0

3 years ago

Help with 7-12 please!

OLEGan [10]

How to solve 7-10: if a coordinate (x, y) is on the line, then f(x) = y.

7. Since x is 6, look at the graph, which shows that y (or f(x)) is 4. (look at picture)

8. Same thing as 7. you will see that f(x) is 15.

9. The other way around. since we know y = 2, looking at the graph shows us that x = 3.

10. Repeat process of 9. x = 10.

How to solve 11 + 12: slope formula (rise-over-run)

11. (14-4)/(12-6) = 10/6 = 5/3.