2 years ago

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Mathematics

2 answers:

Rasek [7]2 years ago

5 0

I believe That it is c hope this helps

Studentka2010 [4]2 years ago

3 0

Answer: no cheating on the state test

Step-by-step explanation:

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What is the value of x

Nezavi [6.7K]

$\tan(16) = \frac{8.3}{x} \\$

$0.2867453858 = \frac{8.3}{x} \\$

Thus :

$x = \frac{8 .3}{0.2867453858} \\$

$x = 28.9455398797$

Thus :

$x = 28.9$

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2 years ago

Name four angles whose tangent equals 0.

ehidna [41]

Answer:

The answer is C. Hope this helps!

8 0

2 years ago

If a= 5^99 x 2^98 and b= 5^72 x 4^38 show ab has 172 digits when written as a ordinary number

Nonamiya [84]

Step-by-step explanation:

= (5⁹⁹ * 2⁹⁸) * (5⁷² * 4³⁸)

= 2⁹⁸ * 2⁷⁶ * 5⁹⁹ * 5⁷²

= 2¹⁷⁴ * 5¹⁷¹

= 2³ * (2¹⁷¹ * 5¹⁷¹).

The 2¹⁷¹ * 5¹⁷¹ will give 171 ending zeroes as 2 * 5 = 10.

And there is a 8 infront as 2³ = 8.

Hence altogether there are 171 + 1 = 172 digits.

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3 years ago

At a pizza party, where each person had their own pizza, 12 people ate 100% of their pizza, 7 people ate 75% of their pizza, and

Vika [28.1K]

The answer would be 75

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2 years ago

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!! I CANNOT RETAKE THIS!!

cupoosta [38]

$x = \frac{ - b \pm \sqrt{ {b}^{2} - 4ac} }{2a} \\ \\ x = \frac{8 \pm \sqrt{ {8}^{2} - 4 \times 2 \times 5 } }{2 \times 2}$

$x = \frac{8 \pm \sqrt{24} }{4} \\ \\ x = \frac{8 \pm2 \sqrt{6} }{4}$

$x = 2 \pm \frac{ \sqrt{6} }{2} \\ \\ x = 2 \pm \sqrt{1.5} \\ \\ x = 2 + \sqrt{1.5} \: \: and \: \: \: 2 - \sqrt{1.5}$

$\textbf{\red{Your answers are correct.}}$

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2 years ago