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Ira Lisetskai [31]
3 years ago
7

the length of a rectangle is given by 2t+1 and its height is t^(1/2), where t is time in sec. Find the rate of change of the are

a with respect to time
Mathematics
1 answer:
Nata [24]3 years ago
5 0
<span>A=(2t+1)t^1/2 differentiate both sides w.r.t t to get the solution</span>
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The gas tank of a Mauer holds 5 L of gas how many 5 L castings can you feel from a bowl 20 L gas can
Grace [21]
20= 5 times as many fill ups divide both sides 5 20/5=5/5 times how many fill ups 4=1 how many fill ups so it’s 4 tanks
6 0
3 years ago
What is the sum of 1/8 + 5/16 +3/8 = and can I please have step by step
AlekseyPX

Answer:

13/16

Step-by-step explanation:

(1/8) + (5/16) + (3/8) =

The denominator 8 goes into 16 twice so multiply the top and bottom numbers by 2

(1 x 2) + (5/16)  + (3 x 2)

(8 x 2)                 (8 x 2)

2/16 + 5/16 + 6/16 = 13/16

I hope this helps!

3 0
2 years ago
5. Use the equation shown to answer a-b.
soldi70 [24.7K]

Answer:

a. No

b. 2.25 days

Step-by-step explanation:

0.75x + 3 = 0.25x + 5.25

a......................

Constants are $3 and $5.25 respectively

Topping costs $0.75 and $0.25 respectively

To have same cost the toppings number would be different as cost is different.

Suppose the number of toppings is x in one shop and y in the other, then the spending if same, we get this equation:

  • 0.75x + 3 = 0.25y + 5.25

The answer is NO due to two different variables in the equation

b.......................

Constants are $3 and $5.25 respectively

Joseph adds $0.75 each day and Kelsey spends $0.25 each day

Number of days should be same in this case, so variable will be same and the result (amount left in bank) is same.

<u>So the equation for this case is:</u>

  • 3 + 0.75x = 5.25 - 025x

<u>Solving, we get:</u>

  • 0.75x + 0.25x = 5.25 - 3
  • x = 2.25

This is the solution to equation despite being a whole number.

4 0
3 years ago
The Smiths are moving from New Jersey to South Africa. They pack their belongings in rectangular creates and hire a box to ship
Viefleur [7K]

Answer:

16 crates

Step-by-step explanation:

-This is a division problem.

-Let x be the number of crates that will fit in to the box car.

-To solve x, we divide the volume of the boxcar by the volume of one crate:

V=lwh\\\\l=length\\w=width\\h=height\\\\V_{bc}=20m\times 3m\times 4m\\\\=240\ m^3\\\\V_c=lwh\\\\=5m\times1.5m\times 2m\\\\=15\ m^3\\\\\therefore x=\frac{V_{bc}}{V_c}\\\\=\frac{240}{15}\\\\=16\ crates

Hence, 16 crates will fit in the boxcar.

6 0
4 years ago
How do you do this? I need some helps please
igor_vitrenko [27]
Well for an explanation you want to find the volume of the cone and the cylinder then just add them together
7 0
4 years ago
Read 2 more answers
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