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2 years ago

I need to find the value of X.

Mathematics

1 answer:

kkurt [141]2 years ago

6 0

Answer:

Step-by-step explanation:

because it looks like a square tilted

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Mary went to the park with Amy at 2:30 pm. They played for 1 hour 30 min. At what time did the finish playing? Give your answer

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Answer:

4:00 pm

Step-by-step explanation:

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2 years ago

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22+63 is the same as 20 +

puteri [66]

Answer:

because 22 + 63 equals 85 and 20+65 equals 85 as well.

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2 years ago

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30 points pls help quick

AVprozaik [17]

X+2y=5
-x+3y=6
Answer: (-3, 4)

x+2(0)=5
x=5

(0)+2y=5
y=5/2

-x+3y=6
Answer: x-intercept: A. y-intercept: C.
(-6,2)

Not sure, here though.

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2 years ago

During the period from 1790 to 1930, the US population P(t) (t in years) grew from 3.9 million to 123.2 million. Throughout this

alex41 [277]

Answer:

Step-by-step explanation:

Given that during the period from 1790 to 1930, the US population P(t) (t in years) grew from 3.9 million to 123.2 million. Throughout this period, P(t) remained close to the solution of the initial value problem.

$\frac{dP}{dt} =0.03135P =0.0001489P^2, P(0) = 3.9$

a) 1930 population is the population at time t = 40 years taking base year as 40

We can solve the differential equation using separation of variables

$\frac{dP}{0.03135P – 0.0001489P^2 } =dt\\\frac{dP}{-P(0.03135 – 0.0001489P } =dt$

Resolve into partial fractions

$\frac{31.8979}{P} -\frac{0.00474}{0.0001489P-0.03135}$

Integrate to get

ln P -0.00474/0.0001489 (ln (0.0001489P-0.03135) = t+C

ln P -31.833 (ln (0.0001489P-0.03135) =t+C

$\frac{P}{( ( (0.0001489P-0.03135)^{31.833} } =Ae^t$

Limiting population would be infinity.

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3 years ago

In addition to prizes for first, second, and third place, the organizers of a race have a prize that they want each participant

ziro4ka [17]

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3 years ago