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Vika [28.1K]
3 years ago
10

Which expression is equal to 2X^2+7 (Simplify)

Mathematics
1 answer:
almond37 [142]3 years ago
5 0

This expression cannot be simplified any further.

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Find cot theta if csc theta = <br><br>sqrt17/4 and tan theta &gt;0.​
Lorico [155]

Answer:

tan \theta = 4

Step-by-step explanation:

We know that

cosec \theta = \frac{hypotenuse }{opposite }

Given :

cosec \theta =\frac{\sqrt{17}}{4}\\

So 4 is the opposite side of theta.

tan \theta = \frac{opposite}{adjacent}

We use the Pythagorean theorem to find for the adjacent side.

a = \sqrt{17 - 4^2} = \sqrt{17-16} = 1

Therefore, \ tan \theta = \frac{4}{1} = 4

7 0
3 years ago
The water level in a plastic pool changed
Misha Larkins [42]

Answer: 180 gallons

Step-by-step explanation:

If you take 8 times 6 you get 48, now take 132 plus 48 and you get 180.(hope this helped):)

5 0
3 years ago
The length of a rectangle is twice its width<br> The perimeter of the rectangle is 43cm
boyakko [2]

Answer:

7.17 cm

Step-by-step explanation:

If the width is x, the length is twice this  = 2x

And

Perimeter = 2 (W + L)

so

Perimeter =  2 ( x + 2x)

Perimeter  = 2 (3x)

Perimeter  = 6x

43  =  2 ( x + 2x )

43= 2 ( 3x)  

43  =  6x

= 7.17 cm

Hope this helps i'm pretty sure this is how you do it :-)

6 0
3 years ago
Quizzz please help !
maw [93]

Answer:

it costs 2 dollars :)

Step-by-step explanation:

8 0
3 years ago
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What value of x makes the proportions true?
Marianna [84]
The answer is 9.
6x4=24
?x4=36
3 0
3 years ago
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