All categories

3 years ago

What equations are equivalent to 3(5x+4)=12x+18

Mathematics

2 answers:

Alchen [17]3 years ago

8 0

Answer:

Step-by-step explanation:

Vladimir79 [104]3 years ago

4 0

Answer:

Step-by-step explanation:

You might be interested in

Let $f(x)$ be a function defined for all positive real numbers satisfying the conditions $f(x) > 0$ for all $x > 0$ and $f

algol [13]

Suppose we choose $x=1$ and $y=\dfrac12$ . Then

$f(x-y)=\sqrt{f(xy)+1}\implies f\left(\dfrac12\right)=\sqrt{f\left(\dfrac12\right)+1}\implies f\left(\dfrac12\right)=\dfrac{1+\sqrt5}2$

Now suppose we choose $x,y$ such that

$\begin{cases}x-y=\dfrac12\\\\xy=2009\end{cases}$

where we pick the solution for this system such that $x>y>0$ . Then we find

$\dfrac{1+\sqrt5}2=\sqrt{f(2009)+1}\implies f(2009)=\dfrac{1+\sqrt5}2$

Note that you can always find a solution to the system above that satisfies $x>y>0$ as long as $x>\dfrac12$ . What this means is that you can always find the value of $f(x)$ as a (constant) function of $f\left(\dfrac12\right)$ .

3 0

3 years ago

Read 2 more answers

Based on a kc value of 0.200 and the given data table, what are the equilibrium concentrations of xy, x, and y, respectively?

MariettaO [177]

There is no given data table but based on the question, the reaction is
xy <=> x + y
If we let M as the initial concentration of xy and c as the in the concentration after the dissociation, then we can use the ICE method
xy <=> x + y
I M
C -c c c
-----------------------------
E M-c c c

Solve for c using
Kc = c(c) / (M - c)
And the concentration of the xy, x, and y can then be determined

3 0

3 years ago

Write 2.4 x 10 to the power of -3 in standard form

fomenos

Answer:

Step-by-step explanation:

$2.4 \times10^{-3}=\frac{24}{10} \times \frac{1}{10^3} =\frac{24}{10^4} =\frac{24}{10000} =0.0024$

6 0

3 years ago

When using re-grouping to solve 21 x 43, what are the four products that would be calculated and then added?

pshichka [43]

Answer:

Step-by-step explanation:

21×43

=(20+1)×(40+3)

=800+40+60+3

3 0

2 years ago

Read 2 more answers

water weighs about 8.34 pounds per gallon. About how many ounces per gallon is the weight of the water?

notka56 [123]

Use a conversion factor and turn pounds to ounces. 1 pound = 16 ounces so
$\frac{8.34pounds}{gallon} \times \frac{16 ounces}{ 1 pound} =133.44 \frac{ounces}{gallon}$

3 0

3 years ago