3 years ago

2 x 10^-1 4 x 10^2 how many times longer

Mathematics

2 answers:

postnew [5]3 years ago

7 0

Answer:

2x10^-12

Step-by-step explanatiion:

posledela3 years ago

6 0

I don’t know what you mean can you explain more?

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What is the value of the y-intercept of the graph of h(x) = 1.2(4.15)^x?

gizmo_the_mogwai [7]

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Answer:

h(0) = 1.2

Step-by-step explanation:

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Find the solution of the system x′=−4y,y′=−2x, where primes indicate derivatives with respect to t, that satisfies the initial c

Andreas93 [3]

Answer: $2y^2 = x^2+4$

Step-by-step explanation:

given is a differntial equation in parametric form as

$x'=-4y\\y'=-2x$

We can find dy/dx by dividing y' by x'

$\frac{dy}{dx} =\frac{-2x}{-4y} \\4ydy =2x dx\\2y^2 = x^2+C$

(By separating the variables and integrating)

C is arbitrary constant

When x=-2, y =-2

Substitute to get

$8=4+C\\C=4$

So solutoin is

$2y^2 = x^2+4$

is the solution

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3 years ago