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sveticcg [70]
3 years ago
15

What is the answer (x+5/2)^2= (-5/2)

Mathematics
1 answer:
sashaice [31]3 years ago
3 0

(x + 5/2 * 2/5)^2 = -5/2

(x)^2 sqrt 2 = -5/2 sqrt 2

(x) = i sqrt10/2 - 5/2, i sqrt10/2 - 5/2

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0.5 +6.38 = 6.88 because 6.38 is precise to the hundredth digit, so the
Alika [10]

Answer:

True-  because 0.5 isnt written as 0.50 because its been simplified so the answer should be too and to simplify the answer 6.88 would be to round it to 6.9.

Step-by-step explanation:

8 0
3 years ago
A population numbers 18,000 organisms initially and grows by 16% each year.
Svetllana [295]

Answer:

The answer is <u><em>20,880</em></u>

Step-by-step explanation:

This won't be a very long explanation. What I did was add 18,000 plus 16% and I got <u><em>20,880</em></u>.

Hope this helps!  

Have a nice day/night/afternoon.  

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8 0
3 years ago
How do i fid the x of the equation? x2 + 8x − 9 = 0
yKpoI14uk [10]

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5 0
3 years ago
What is the surface area of the figure shown below?
Novosadov [1.4K]
We know that 
surface area of the figure=surface area rectangular prism+surface area triangular prism

surface area rectangular prism=2*[12*6]+2*[16*6]+[16*12]---> 528 ft²

surface area triangular prism=2*[12*8/2]+2*[16*10]----> 416 ft²

surface area of the figure=528+416-----> 944 ft²

the answer is
944 ft²
7 0
3 years ago
How do you do this? This is trig mixed sides​
Marina CMI [18]

In this triangle,

\cos45^\circ=\dfrac n{60}

You should know that

\cos45^\circ=\dfrac1{\sqrt2}

so that

n=\dfrac{60}{\sqrt2}=30\sqrt2\approx42.4

8 0
3 years ago
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