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VladimirAG [237]
2 years ago
14

Please help me i need to solve for x

Mathematics
1 answer:
butalik [34]2 years ago
4 0

Answer:

1.732i (complex form)

its weird, at high-school level complex shouldn't come, its considered mistake in the question. But the mathematically its all correct

Step-by-step explanation:

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statistical models predict that price p( in dollars) of a new smartphone will change according to the function p=900-4t^2. where
Gre4nikov [31]

we are given

p=900-4t^2

where

price p( in dollars) of a new smartphone

t is the number of months since January

now, we can solve for t

step-1:

Add both sides by 4t^2

p+4t^2=900-4t^2+4t^2

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step-2:

Subtract both sides by p

p+4t^2-p=900-p

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step-3:

divide both sides by 4

\frac{4t^2}{4} =\frac{900-p}{4}

t^2=\frac{900-p}{4}

t^2=225-0.25p

step-4:

Take sqrt both sides

\sqrt{t^2} =\sqrt{225-0.25p}

t=\sqrt{225-0.25p}

so, we get

t=\sqrt{225-0.25p}..............Answer

7 0
3 years ago
How do i solve this?
Damm [24]
From the ratio given you can determine that m is proportional to 1/(r^3). You can write this as m = k * 1/(r^3), k being your constant of proportionality. Then use this to calculate the next parts of the question.
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Solve the following for the variable: 15x−3=2
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Answer:

15x3= - 3 =2

Step-by-step explanation:

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