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1 year ago

The number of hours, t, it takes a boat to travel 15 miles upstream is represented

Mathematics

1 answer:

iogann1982 [59]1 year ago

8 0

The equation of c is an illustration of subject of formula

The equation of c in terms of r and t is c = r - 15/t

<h3>How to determine the equation?</h3>

The equation is given as:

t = 15/(r - c)

Cross multiply

t(r - c) = 15

Divide both sides by t

r - c = 15/t

Subtract r from both sides

-c = -r + 15/t

Multiply both sides by -1

c = r - 15/t

Take LCM

$c = \frac{rt - 15}{t}$

Hence, the equation of c in terms of r and t is $c = \frac{rt - 15}{t}$

Read more about subject of formula at:

brainly.com/question/10643782

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When does it reach maximum height?<br><br> H(t)=-16t^2+112t+288

ivolga24 [154]

Answer:

484 feet maximum

Step-by-step explanation:

H(t)=-16t^2+112t+288

The maximum height occurs at the vertex of this graph.

Let us find the vertex.

vertex x-coordinate = -b/2a

x = -b/2a = -(112)/ (2*-16) = 7/2 sec.

H(7/2) = - 16 *(7/2)^2 + 112*(7/2) + 288

H(7/2) = -196 + 392 + 288 = 484 feet ..

5 0

2 years ago

A store charges $2.10 for a medium bag of fruit slices. Assuming that the rate stays the same, how much should the store charge

melomori [17]

Hey there,

Your question states: <span>A store charges $2.10 for a medium bag of fruit slices. Assuming that the rate stays the same, how much should the store charge for a large bag of the slices?

So sense this is a medium bad of fruit slices, we would divide 2.10 by 2.

Your answer would be 1.5 Now, all we do is we add 2.10+1.5 and we get 3.15. The reason would be because sense we now know the price of the size of it being small, we just add that size on top of the medium size to get 3.15.

Hope this helps.
~Jurgen</span>

6 0

3 years ago

Read 2 more answers

HELP me plz someone!

Kamila [148]

Answer:

4,095 ft³

Step-by-step explanation:

V=LWH

V = 3 x 15 x 14

V= 4,095

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