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Goshia [24]
3 years ago
5

If x=(2a-3b),y=(2a+3b)and z=9bsquare -4absquare,show that xy+z=0​

Mathematics
1 answer:
kaheart [24]3 years ago
5 0

Answer:

<h2>Hope it helps you........</h2>

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Select yes or no for each literal equation.
ch4aika [34]

Answer:

No, Yes, Yes

Step-by-step explanation:

<em>5x + 2y = 3</em>

2y = 3 - 5x

y = (3-5x) / 2

<em>F</em><em>A</em><em>L</em><em>S</em><em>E</em>

\frac{w + 8}{2}  =  p

2P = w + 8

w = 2P - 8

<em>T</em><em>R</em><em>U</em><em>E</em>

<em>ax + by = c</em>

by = c - ax

y = (c - ax) / b

<em>T</em><em>R</em><em>U</em><em>E</em>

6 0
3 years ago
Solve the linear equation 29 - 3x = 5x + 5
steposvetlana [31]

Answer:

x = 3

Step-by-step explanation:

29 - 3x = 5x + 5

You want to have the variable of x on one side of the equation, so add 3x to both sides.

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You want to isolate the variable of x, so subtract 5 from both sides.

24 = 8x

You want the variable x on its own, so divide both sides by 8.

3 = x

Check your answer by plugging x back into the original equation.

29 - 3(3) = 5(3) + 5

Solve.

29 - 9 = 15 + 5

20 = 20

Your answer is correct!

3 0
3 years ago
An account had an initial deposit made and then interest was applied once a year at a fixed rate. The amount of money, in dollar
Cerrena [4.2K]
The equation says
A=p(1+r)^t
A=103(1+0.02)^t
So the interest rate is
0.02*100=2%
8 0
3 years ago
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nadya68 [22]
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3 years ago
An Advertising firm has an old computer that can prepare a whole mailing in 6 hours. With the help of newer model the job is com
tiny-mole [99]

Answer:

It would only take three hours.

Step-by-step explanation:

1/6+1/x=1/2

x + 6=3x

6=2x

x=3hr

5 0
3 years ago
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