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EastWind [94]
3 years ago
8

I Need Help Like Now!!

Mathematics
1 answer:
kogti [31]3 years ago
5 0

Answer:

\frac{136}{999}

Step-by-step explanation:

We require 2 equations with the repeating decimal after the decimal point in both equations.

The bar above 136 indicates that 136 is being repeated

let x = 0.136136...... → (1) Multiply both sides by 1000

1000x = 136.136.... → (2)

Subtract (1) from (2) to eliminate the decimal part

999x = 136 ( divide both sides by 999 )

x = \frac{136}{999}

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Simplify the following fractions using ur magic number. (*2,3,5,7,11,13*)
pshichka [43]

1) 6/14  divide by 2 =        3/7

2) 9/12 divide by 3 =         3/4

3) 15/25 divide by 5 =        3/5

4 0
3 years ago
A wooden board 100 centimeters long is cut into two pieces. One piece is 16 centimeters longer than the other. What are the leng
Bezzdna [24]

x = the length of one piece

y = the length of the other piece


the total length is 100 cm this means 


x + y = 100


one piece is 16 inches longer than the other


first we need to convert inches to cm: 


1 in = 2.54 cm

16 in = 2.54*16 = 40.64


now we can write


x = y + 40.64


by solving the system of equations


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x = y + 40.64


we find


x = 70.32 cm


y = 29.68 cm


the lengths of the two pieces are 70.32 cm and 29.68 cm.

4 0
3 years ago
Which of the following equations is a direct variation?<br> y=3X+2<br> y=5<br> y=2x<br> y=8x+6
Alex

direct \: varition \: means \: y \alpha x \\   it \: becomes \: y = kx
So y=2x is the only answer that fit y=kx, while k=2
3 0
3 years ago
What is the 12th term of the sequence 3,6,12,24....
Sati [7]
a_{0}=3

r=common ratio: 12/6=2; 6/3=2

r=2, a_{n}=2^{n-1}*3

plug in 12 for n:

a_{12}=2^{12-1}*3

a_{12}=2^{11}*3

a_{12}=2048*3

a_{12}=6144

The twelfth term in the sequence is 6144


 




7 0
3 years ago
Read 2 more answers
A dilation has center at the origin. Which of the following is the image of the point P(1.- for a scale
Natasha2012 [34]

Answer:

C. D_\frac{1}{7} (P)=P'(\frac{1}{4},-\frac{5}{14} )

Step-by-step explanation:

\frac{7}{4}*\frac{1}{7}=\frac{7}{28} =\frac{1}{4}

-\frac{5}{2} *\frac{1}{7} =-\frac{5}{14}

7 0
3 years ago
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