Is 2.6 bigger than 2.661

Answers

Answer 1
Answer: 2.6 = 2.600
So, 2.6 is not bigger than 2.661
Answer 2
Answer: No because 2.6 is the same as writing 2.60. Know you know that 2.661 is bigger. (2.60 < 2.661) Hope this helps! :D

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Make x the subject of y=3x-2

Answers

To make x the subject of the equation
y
=
3
x

2
y=3x−2, you can isolate
x
x:

Start with the equation:
y
=
3
x

2
y=3x−2.
First, add 2 to both sides of the equation to isolate the term with
3
x
3x:
y
+
2
=
3
x
y+2=3x.
Finally, divide both sides by 3 to solve for
x
x:
x
=
y
+
2
3
x=
3
y+2

.
So,
x
x is the subject of the equation
y
=
3
x

2
y=3x−2, and it can be expressed as
x
=
y
+
2
3
x=
3
y+2

.

Step-by-step explanation:

y = 3x-2      add '2' to both sides of the equation to get :

y+2 = 3x     Now divide both sides by 3 to get :

(y+2)/3 = x     Done.

How do you do this problem?
Solve by factoring or finding square roots.
x^2-1=0

Answers

use formula^:   a²-b²= (a-b)(a+b)
x²-1=0

x²-1²=0
(x-1)(x+1)=0
x-1=0⇒ x₁=-1
x+1=0 ⇒x₂=1
Answer: x=+-1
x² - 1 = 0
   + 1  + 1
      x² = 1
       x = +1

Solve allgebraically for x: log base 27 (2x-1)=4/3

Answers

log_(27)(2x-1)=(4)/(3);\ \ \ \ D:2x-1 > 0\to x > (1)/(2)\n\nlog_(27)(2x-1)=log_(27)27^(4)/(3)\iff 2x-1=27^(4)/(3)\n\n2x-1=\left(\sqrt[3]{27}\right)^4\n\n2x-1=3^4\n\n2x-1=81\ \ \ /+1\n\n2x=82\ \ \ \ /:2\n\nx=41\in D

Factor completely
16x^2 + 24x + 9

Answers

16x^2+24x+9=(4x)^2+2(4x)(3)+3^2=(4x+3)^2=(4x+3)(4x+3)



16x^2+24x+9=16x^2+12x+12x+9=4x(4x+3)+3(4x+3)\n\n=(4x+3)(4x+3)
16x^2 + 24x + 9 =\n (4x+3)^2

Y 1=4/5(x-3) solve this equation

Answers

y+1=4/5(x-3)
you want me to convert to standard form or slope-intercept
ax+by=c or y=mx+b

so
standard
y+1=4/5(x-3)
first distribute 4/5
y+1=4/5x-12/5
minus 1 or 5/5 from both sides
y=4/5x-17/5

standard form
y=4/5x-17/5
minus 4/5x from both sides
-4/5x+y=-17/5
we like whole, positivve numbers
times both sides by -5
4x-5y=17


it is
y=4/5x-17/5 or
4x-5y=17

Robert can paint a room in 6 hours. Julio can paint a room in 8 hours.how long will it take for the two of them to paint a room together?

Answers


Robert paints  1/6  of a room in an hour.
Julio paints  1/8  of a room in an hour.
Working together, they can paint (1/6 + 1/8) room/hour =

                                                (4/24 + 3/24) room/hour =

                                                      7/24 of a room per hour.

7/24 of a room per hour means

                                 24 hours / 7 rooms  = 

                                     (24 / 7) (hour/room) =   (3 and 3/7) hour per room.


1/6+1/8=1/x
1/6*(6*8*x)+1/8(6*8*x)=1/x(6*8*x)
8x+6x=48
14x=48
divide each by 14
x=48/14
x= 3.43 roughly