Oxygen is being added to a canister which originally contained 5 cubic feet of the gas at

Mathematics

1 answer:

lesantik [10]2 years ago

7 0

Answer:

The change is negative, since the volume in the final state is smaller than the volume in the initial state. 2.25 We express V for the ideal gas as a function of T , p and n: V (T , p, n) = ... each smooth part of the curve and add the integrals, used up yearly by living organisms, which means that even if the oxygen supply was.

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A sailboat depreciates at 15% of its original value each year. If the sailboat was $9500 at its time of purchase, what is the va

eimsori [14]

Answer: After 7 years, the value of the sailboat is $3045.49.

Step-by-step explanation:

Since we have given that

Original value of the sailboat = $9500

Depreciation rate = 15%

Number of years = 7

As we know the formula for "Compound Interest "i.e

$A=P(1-\frac{r}{100})^n$

where,

A denotes Amount

P denotes original value

r denotes rate of depreciation,

n denotes number of years.

So, our equation becomes ,

$A=9500(1-\frac{15}{100})^7\\\\A=9500(1-0.15)^7\\\\A=9500(0.85)^7\\\\A=\$3045.49$

Hence, after 7 years, the value of the sailboat is $3045.49.

6 0

3 years ago

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A first number plus twice a second number is 1. Twice the first number plus the second totals 14. Find the numbers

poizon [28]

Let's consider the first number to be $f$ and the second number to be $s$ . Based on the information in the problem, we can create the following equations:

$f + 2s = 1$

$2f + s = 14$

Now, we can solve the equations through systems of equations. One way of doing this is by multiplying one of the equations so that there is a term in both equations which can be removed by addition or subtraction. In our case, we can multiply the entire first equation by 2 to get:

$2f + 4s = 2/tex][tex]2f + s = 14$