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postnew [5]
3 years ago
9

Driving through the mountains,Dale has to go up and over a high mountain pass. The road has a constant incline for 7 3/4 miles t

o the top of the pass. Dale notices from a road sign that in the first mile he climbs 840 feet. How many feet does he climb in all ?
Mathematics
1 answer:
creativ13 [48]3 years ago
8 0

Answer:

6510

Step-by-step explanation:

7.75 x 840 = 6510

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Collins has a part-time job as a dog walker. The table below shows the amount of money Collins earned for different numbers of h
kondor19780726 [428]

Answer:

See below.

Step-by-step explanation:

Part A:

For Dog walking, he earns $30 for 5 hours of work.

He earns $36 for 6 hours of work.

$30/5 hours = $6/hour

$36/6 hours = $6/hour

He earns $6/hour dog walking.

For 8 hours, he earns 8 hours * $6/hour = $48

To earn $66, he works 66/6 = 11 hours.

5 30

6 36

8 48

11 66

Part B:

He earns $7/hour for yard work, so multiply the number of hours by 7 to find the money he earns.

Table for yard work

Hours     Money

5             $35

6             $42

8             $56

Part C:

For 5 hours, he earns $35 for yard work and $30 as a dog walker.

$35 - $30 = $5

3 0
3 years ago
równanie zmiany prędkość autokaru poruszającego się po prostym odcinku szosy i rozpoczynającego hamowanie od szybkości 20m/s ma
Rasek [7]

Answer:

s = 22.5 m

Step-by-step explanation:

the equation for the speed change of a coach moving along a straight section of the road and starting braking at a speed of 20 m / s has the form v (t) = 25-5t. Using integral calculus, determine the coach's braking distance.

v (t) = 25 - 5 t

at t = 0 , v = 20 m/s

Let the distance is s.

s =\int v(t) dt\\\\s =\int (25 - 5t)dt\\\\s= 25 t - 2.5 t^2 \\

Let at t = t, the v = 20

So,

20 = 25 - 5 t

t = 1 s

So, s = 25 x 1 - 2.5 x 1 = 22.5 m

3 0
2 years ago
Use the graph to evaluate the function.<br> f(-5) =<br> y<br> -8 -6
DENIUS [597]

Answer:

-4

Step-by-step explanation:

Go to x value of -5 and go down until you touch line.

3 0
3 years ago
When you draw a circle and two of its diameters and connect the end points of the diameters what quadirateral do you get?
sergij07 [2.7K]
A vin diagram I'm pretty sure. or maybe drugs pflucked my brain up. js
3 0
3 years ago
Scientists believe that every day the number of viruses that exist (x) will be multiplied by 6. Write an expression to express t
Rasek [7]

Answer:

X*6

Step-by-step explanation:

The virus (x) time 6

8 0
3 years ago
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