4 years ago

PV = nRT solve for R

Mathematics

1 answer:

sukhopar [10]4 years ago

8 0

Answer:

you need to have values to solve for this

Step-by-step explanation:

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The monthly cost of driving a car depends on the number of miles driven. Lynn found that in May it cost her $420 to drive 500 mi

djyliett [7]

Answer:

$C(d) = \frac{1}{5}d + 320$

Step-by-step explanation:

Given

$d \to miles$

$C \to cost$

So:

$(d_1,C_1) = (500,420)$ --- May

$(d_2,C_2) = (620,444)$ --- June

Required

Express as a function

Start by calculating the slope (m)

$m = \frac{\triangle C}{\triangle d}$

$m = \frac{444-420}{620-500}$

$m = \frac{24}{120}$

Simplify

$m = \frac{1}{5}$

The equation is:

$C(d) = m(d - d_1) +C_1$

$C(d) = \frac{1}{5}(d - 500) +420$

$C(d) = \frac{1}{5}d - 100 +420$

Take LCM

$C(d) = \frac{1}{5}d + 320$

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3 years ago

What is the area of a rectangle that has a perimeter of 87.20?

harkovskaia [24]

The answer is 43.6 your welcome 87.20 divided by two is 43.6.

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3 years ago

What are the three differences between an inconsistent system and a consistent and independent system. Explan?

RUDIKE [14]

Hey there Mejia021274,
1) Independent systems have exactly one solution:
x + y = 1
x - y = 3
x = 2, y = -1

2) Inconsistent systems have no solutions :
5x + y = 6
5x + y = 10
There is no solution as 5x + y cannot be equal to 6 and 10

3) Consistent systems have a lot of solutions:
x+y = 5
<span>2x+2y = 10 </span>
<span>A few solutions to this system are (1,4), (2,3), (3,2), (4,1), (5,0), and so on.
</span>
Hope this helps :))

~Top

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3 years ago

What is the number two hundred seven thousand, four hundred sixty written in standard form?

Zinaida [17]

Answer:

207,460

Step-by-step explanation:

brainiest plz

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3 years ago

You have to write 0.33 as a fraction.how do you choose the denominator?

yaroslaw [1]

100 is the easiest because 1/100 =0.01
33/100=0.33

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3 years ago

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