3 years ago

Need help fast show work please!!

Mathematics

1 answer:

lozanna [386]3 years ago

3 0

Is that go math? So i can check

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Evaluate the exponential expression: (2x)2−3y2=___, if x = 5 and y = 3.

777dan777 [17]

Answer:

Step-by-step explanation:

Put the values of the variables where the variables are, then do the arithmetic.

(2·5)^2 -3·3^2 = 10^2 -3·9 = 100 -27 = 73

___

Or, you can let a calculator or spreadsheet evaluate the function for you.

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3 years ago

The quantity a varies directly with b and c and inversely with d. The quantity d is tripled. Which of the following must be true

Vinvika [58]

Lets name the quantity Q
$Q=k* \frac{b*c}{d} 

When quantity d is tripled, we get




$
$Q=k \frac{b*c}{3d} 

To be the relationship the same, we see that we need to$ $
multiply /numerator / by /3 


$ $Q = k \frac{3bc}{3d} 

So the answer should be 
"The product of c and b must be tripled."$

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3 years ago

Find the measures of angles a and b when 0=44

puteri [66]