3 years ago

How to prove that 328 is equivalent to 12 32

Mathematics

1 answer:

Tamiku [17]3 years ago

6 0

Prove that 3:8 is equivalent to 12:32.

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What are all real square roots of .027

mario62 [17]

Answer:

Step-by-step explanation:

The principal, real, root of:

$^{2} \sqrt{0.027}$

= 0.164316767

All roots:

0.164316767

−0.164316767

0.027 is not a perfect square

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3 years ago

John runs a computer software store. Yesterday he counted 127 people who walked by his store, 58 of whom came into the store. Of

Alona [7]

The estimate/fraction is 3/4

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3 years ago

Read 2 more answers

Find the inverse Laplace transform f(t) of the function F(s). Write uc for the Heaviside function that turns on at c, not uc(t).

zzz [600]

Answer:

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

Step-by-step explanation:

We have given $F(S)=\frac{7e^{-7s}}{s^2-49}$

Now $F(S)=e^{-7s}G(s)$

Here $G(S)=\frac{7}{S^2-49}$

Now first find the Laplace inverse of G(S)

Using partial fraction

$\frac{7}{(s+7)(s-7)}=\frac{A}{(S+7)}+\frac{B}{S-7}$

$7=A(S-7)+B(S+7)$

On comparing the coefficient

$A=\frac{1}{2}$ and $B=\frac{-1}{2}$

On putting the value of A and B

$G(S)=\frac{-1}{2(S+7)}+\frac{1}{2(S+7)}$

Taking inverse Laplace

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

Now in G(s) there is onether term $e^{-7s}$

So F(t) $=\frac{-1}{2}e^{7(t-7)}+\frac{1}{2}e^{-7(t-7)}$

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3 years ago

Graph the function y=√x+1-4. Which point lies on the graph?

nataly862011 [7]

The answer is C (-1,-4)
I got the answer by graphing the equation and plotting each the points down to see which one lies on the graph

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2 years ago

Ryan rode his bike of a mile. James rode his bike of a mile. Who rode farther? Exactly how much farther? Use the rectangles belo

34kurt

Answer:

Stewhapt

rectangles-by-step explanation:

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4 years ago