MATHEMATICS HIGH SCHOOL

Write 3.777777 as a fraction

Answers

Answer 1
Answer:

Answer:

\huge\boxed{\sf (34)/(9)\ \ OR \ \ 3(7)/(9) }

Step-by-step explanation:

Let

x = 3.777.......                (1)

Then

10x = 37.777.....             (2)

Subtracting (1) from (2)

10x - x = 37.7777..... - 3.77777.......

9x = 34

Dividing both sides by 9

x = 34 / 9

x = 3 \ (7)/(9)

\rule[225]{225}{2}

Hope this helped!

~AnonymousHelper1807

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Solve 2cos^2x+3cosx-2=0

Answers

\bf 2cos^2(x)+3cos(x)-2=0\impliedby \textit{so, notice is just a quadratic} \n\n\n\ [2cos(x)~~-~~1][cos(x)~~+~~2]=0\n\n -------------------------------\n\n 2cos(x)-1=0\implies 2cos(x)=1\implies cos(x)=\cfrac{1}{2} \n\n\n \measuredangle x=cos^(-1)\left( (1)/(2) \right)\implies \measuredangle x= \begin{cases} (\pi )/(3)\n\n (5\pi )/(3) \end{cases}\n\n -------------------------------\n\n cos(x)+2=0\implies cos(x)=-2

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Anthony earned $131 in tips last night while working at the restaurant. If his tipsconsisted of $1 bills and $5 bills only and he counted 47 bills in total, then how
many $5 bills did Anthony receive?

Answers

Answer:21 5 dollar bills

Step-by-step explanation:

(x^2-10x+30) / (x-5)

NOT a fraction.

Answers

(x²-10x+30)/(x-5)

= (x²-10x+30)/(x-5)


I hope that's help !

Solve the equation.x^2 = 150

A. ± 25√6

B. 15

C. -15,15

D. ± 5√6

Answers

x^2 = 150
√x^2 = √150
x = 5√6 (or) ≈12.25

HOPE THIS HELPS!!!!

Hi Brainiac


x²= 150

Just take the square root of 150

x= +/- 5√6 or x= -5√6


I hope that's help:0

THE VOLLEYBALL TEAM WON 80% OF THE GAMES THEY PLAYED THIS SEASON. THETEAMPLAYED A TOTAL OF 25 GAMES. how many games the volleyball team won

Answers

Answer:

20 games won

Step-by-step explanation:

duh

There were 15 cars and 25 trucks in the parking garage. what is the ratio of cars to total vehicles

Answers

15:25 = 3:5
simply divide 15 and 25 both by 5 to get 3:5.
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