2 years ago

Write a proportion for 48 aintains for $24 then how many can you buy with $4?

1 answer:

7 0

Step-by-step explanation:

the answer is on the pic above

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kirill [66]

Answer:

Step-by-step explanation:

Given that acceleration of an object is

$\frac{dv}{dt} =-2v\\\frac{dv}{v} =-2dt\\ln v = -2t+C\\$

is the solution to the differential equation

Since v(0) =7

we get ln 7 = C

Hence $lnv = -2t+ln 7\\v=7e^{-2t}$

since velocity is rate of change of distance s we have

$v=\frac{ds}{dt} =7e^{-2t}\\s= [tex]s(t) =\frac{-7}{2} (e^{-2t})+C)[$

substitute t=0 and s=0

$C=7/2$

So solution for distance is

$s(t) =\frac{-7}{2} (e^{-2t}-1)$

4 0

3 years ago

Agata [3.3K]

$2-7x-3x=-8x-8\\\\-7x-3x+8x=-8-2\\\\-2x=-10 \ \ /:(-2)\\\\\huge\boxed{x=5}$

4 0

2 years ago

PtichkaEL [24]

Answer: Oslo was colder

Step-by-step explanation: The other one was -5 and this won is -12 so Oslo is colder!! Hope it helped! :)

8 0

2 years ago

igomit [66]

Answer: y+5= -1/7(x-7)

3 0

2 years ago

Ksenya-84 [330]

Your answer would be 1 1/2 cups

6 0

2 years ago