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3 years ago

Please help?

Mathematics

1 answer:

Oxana [17]3 years ago

8 0

Answer:

Physics isn't my strongest subject but I'll do my best to give you an explanation to help you get the answer!

Step-by-step explanation:

The equation is:

F = m g

where m=mass and g = acceleration due to gravity (gravitational force)

okay, lets substitute our numbers in the equation.

F (125N) = m g (25m/s^2)

'<em>m</em>' is our unknown.

g is equal to 625

hope this helps you get going on this problem!! feel free to leave any questions in the comments and I'll do my best to help you! :)

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3 years ago

Express the radical using the imaginary unit, i

Kipish [7]

Answer:

7i.

Step-by-step explanation:

Note : The given expression must be $\sqrt{-49}$ .

We have to write this radical value in the imaginary value.

The given value can be rewritten as

$\sqrt{-49}=\sqrt{49\times (-1)}$

$\sqrt{-49}=\sqrt{49}\times \sqrt{-1}$ $[\because \sqrt{ab}=\sqrt{a}\sqrt{b}]$

$\sqrt{-49}=7\times i$ $[\because \sqrt{-1}=i]$

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3 years ago

Solve for h.

Luden [163]

Solving for h means we write the equation in such a way that h is isolated from other variables. It is done as follows:

(P = mgh) 1/mg
P/mg = mgh/mg
h = P/mg

Therefore, the correct answer from the choices listed above is option C, h = p/mg.

Hope this answers the question. Have a nice day.

4 0

3 years ago

Karen depostited $5000 as a certificate of deposit in a bank for a period of 3 years. The certificate or deposit pays a simple i

Ira Lisetskai [31]

Answer:

15% per year

7.5% half year

5000 * 7.5% = $375 every 6 months.

Step-by-step explanation:

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