What is the value of w, when the equation is 5w + 9z = 2z + 3w

Answers

Answer 1

Answer: The value of w would be -7z/2
Hope this helps

Answer 2

Answer: 5w+9z=2z+3w

First collect like terms which are terms with the same variables to the same degree

5w-3w=2z-9z

Then simplify on each side

2w=-7z

Next isolate w completely

w=-7z/2

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Show all the ways to take 10

Answers

10-1 10-2 10-3 10-4 10-5 10-6 10-7 10-8 10- 9 10-10

A sheet of standard size copy paper measures 8.5 inches by 11 inches. If a ream is 500 sheets of paper has a volume of 187 inches cube. How thick is the ream?

Answers

Answer:

\large \boxed{\text{2.00 in}}

Step-by-step explanation:

The formula for the volume of a rectangular solid is

V = lwh

$\begin{array}{rcl}V & = & lwh\n187 & = & 8.5 * 11 * h\n& = & 93.5h\nh & = &(187)/(93.5)\n\n& = & \textbf{2.00 in}\n\end{array}\n\text{The ream is $\large \boxed{\textbf{2.00 in}}$ thick.}$

X +5+11x=12x+Y It says find the value of y that makes each equation true for all values of

Answers

x + 5 + 11x = 12x + y

Simplify: 12x + 5 = 12x + y (We are adding x and 11x on the left side)

Subtract 12x from each side makes each zero.

5 = y

So we can plug in and test. I'm picking two random numbers to plug in for x. 10, and 82

x = 10, y = 5
10 + 5 + 11(10) = 12(10) + 5
125 = 125

x = 82, y = 5
82 + 5 + 11(82) = 12(82) + 5
989 = 989

So we verified y = 5

The population of mice on an island is given byP= 40 1.2
where P is the population t years after 1st January 2010.
The graph below shows the growth of the population.
a) Write down the coordinates of
the point a.
b)
How many mice were on the
island on January 1st 2010?
C)
To the nearest whole number,
how many mice were on the
island on 1st January 2014?

Answers

a) The coordinates of point a are (t, 0).

b) There were 40 mice on the island on January 1st, 2010.

c) Rounding to the nearest wholenumber, there were approximately 92 mice on the island on January 1st, 2014.

a) To find the coordinates of point a on the graph, we need to look at the intersection of the curve with the x-axis (time axis). Since point a is on the x-axis, its y-coordinate (population) is 0. Note that the x-coordinate (t) represents the time in years.

b) To find the population of mice on January 1st, 2010 (t = 0 years), we can substitute t = 0 into the population equation:

$P = 40 * 1.2^t\nP = 40 * 1.2^0\nP = 40 * 1\nP = 40$