All categories

3 years ago

What is the sum of the rational expressions below? x+3/x-2 + 3x-8/x-2

Mathematics

1 answer:

Mamont248 [21]3 years ago

6 0

Answer: $\bold{\dfrac{4x-5}{x-2}}$

Step-by-step explanation:

Since the expressions have the same denominator, we simply need to add the numerators.

$\dfrac{x+3}{x-2}+\dfrac{3x-8}{x-2}\quad =\quad \dfrac{x+3+3x-8}{x-2}\quad = \quad \large\boxed{\dfrac{4x-5}{x-2}}$

You might be interested in

The population of a town is increasing by 300 inhabitants each year. If its population at the beginning of 1990 was 21,152, what

babunello [35]

Answer:

Step-by-step explanation:

You take the starting year of 1990 and subtract it from 1999 to get the year span of 9,

You then take the amount per year the population goes up by which is 300, so 300 multiplied by 9 is 2,700

You add 2,700 to 21,152 to get B-23,852

8 0

4 years ago

Will mark Brainlest Help please If a:b =4:5 then find the duplicate value of a:b

Nostrana [21]

Answer:

it must be 5:4..I'm not sure.

4 0

3 years ago

Read 2 more answers

{362 – [63 + (48 ÷ 2) x 2]} + 3(9 +4)

Julli [10]

Answer:

Step-by-step explanation:

Solving with one operation at each step:

{362 – [63 + (48 ÷ 2) x 2]} + 3(9 +4) =
{362 – [63 + 24 x 2]} + 3(9 +4) =
[362 – (63 + 48)] + 3(9 +4) =
(362 – 111) + 3(9 +4) =
251 + 3(13) =
251 + 39 =
290

6 0

3 years ago

Read 2 more answers

The box plots represent the ages of pennies in two 50-cent rolls. By looking at the plots, Beth says that the two means are abou

Jlenok [28]

Answer:

The correct option is D

D) She may not be correct because means cannot be determined from the box plots

Step-by-step explanation:

The question is incomplete because the box plots are not attached in the question. I've attached the box plots of this question at the bottom.

The box plot, also know as box and whisker plot, displays only five type of values, which are:

Minimum value
First Quartile
Median
Third Quartile
Maximum value

Mean cannot be determined by just lookin at the box plots. To find the mean, we need to know the values of data and total number of values.

As mean cannot be determined from the box plot, correct option is D

6 0

3 years ago

Read 2 more answers

30 POINTS HELP ME-

Ray Of Light [21]

Answer:

Number line graph with closed circle on 30 and shading to the right

because you already have 30 dollars and they need at least 120 but if they get more then 120 they can still hold the science fair.

THIS ANSWER ISN'T MINE. I TOOK IT FROM AN ANSWER TO THE SAME QUESTION ANOTHER USER POSTED.

4 0

3 years ago

Read 2 more answers