2 years ago

Write in full text, no files plz.

Mathematics

1 answer:

slava [35]2 years ago

7 0

Answer:

108 student tickets, and 176 adult tickets were sold.

I hope I helped, and thanks for the points!

Step-by-step explanation:

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Estimate 1/4 times 21

olga55 [171]

Answer:

63/4 or 15.75 or 153/4.

5 0

2 years ago

Please find the square roots of the following complex number.

Nana76 [90]

Hey there,

First, find the square root of the given equation.

$\sqrt{z}=\sqrt{81(\text{cos}(\frac{4\pi}{9})+i\text{sin}(\frac{4\pi}{9})}\\=9\text{cos}\frac{1}{2}(2k\pi+(\frac{4\pi}{9}))+i\text{sin}\frac{1}{2} (2k\pi+(\frac{4\pi}{9}))$

Keep in mind that this is solved for k = 0 and 1.

Second, simplify.

$=9\text{cos}(\frac{2\pi}{9})+i\text{sin}(\frac{2\pi}{9})~\text{or}~9\text{cos}(\frac{11\pi}{9})+i\text{sin}(\frac{11\pi}{9})$

Best of Luck!

6 0

2 years ago

The length of a rectangle is 12 in. and the perimeter is 56 in. Find the width of the rectangle.

yuradex [85]

Answer:

W = 16 in

Step-by-step explanation:

P = 2L + 2W

56 = 2(12) + 2W

56 = 24 + 2W

56-24 = 2W

32 = 2W

W = 32/2

W = 16 in

Best regards

7 0

2 years ago

I believe the answer is C. however, I'm not 100% sure.

Brut [27]

The answer would be C. You’re correct! Because there are 3 blue marbles @ $1 each that amounts to a possible $3 gain for Mark. Evan has the chance to get $4. Cayla also can make $3 like Mark.

7 0

2 years ago

Which place is the 7 in 115.87

kirill [66]

Answer:

Hundredth

Step-by-step explanation:

Hundrends, Tens, decimal, tenth, hundredth

4 0

2 years ago