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mezya [45]
3 years ago
10

Perform the operation (5x^2 + 4) - (-2y^2 + 4)

Mathematics
1 answer:
KIM [24]3 years ago
6 0
5x^2+2y^2 is the answer to you problem.
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find the simple interest earned, to the nearest cent, for each principal, interest rate, and time.$750 - 7% - 3 years
Phoenix [80]

We have to apply the simple interest formula:

I = p x r x t

Where :

I = interest

p = principal amount

r= interes rate ( in decimal form, percentage divided by 100)

t= time (years)

Replacing with the values given:

I = 750 x (7/100) x 3

I = 750 x 0.07 x 3

I = $157.7

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50 POINTS<br> Simplify. 57‾‾√ <br> 35√7 <br> 5√7 <br> 7√5 <br> 12√7
liraira [26]

Answer:

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Step-by-step explanation:

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4 years ago
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To eliminate the x terms and solve for y in the fewest steps, by which constants should the equations be multiplied by before ad
aliya0001 [1]

Answer:

See below.

Step-by-step explanation:

Here is an example:-

Solve by elimination:

2x - 3y  =   0

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4x  - 6y = 0

9x + 6y = 39      Adding the 2 equations:

13x + 0 = 39

13x = 39

x = 39/13 = 3

Finally we find y by plugging x = 3 into the first equation:

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Someone please help me with thIS!!!!!!
Whitepunk [10]
120 in. to the power of 3
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