1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
never [62]
3 years ago
12

The length of a rectangle is two more than two times its width. The perimeter of the rectang

Mathematics
1 answer:
sattari [20]3 years ago
8 0

Answer:

a

Step-by-step explanation:

You might be interested in
plain why the function is discontinuous at the given number a. (Select all that apply.) f(x) = x2 − 2x x2 − 4 if x ≠ 2 1 if x =
ElenaW [278]

Answer with Step-by-step explanation:

We are given that

f(x)=\left\{\begin{matrix}\dfrac{x^2-2x}{x^2-4}&,if\ \ x\neq 2 \\ 1&,if\ \ x=2\end{matrix}\right.

We have to explain that why the function is discontinuous at x=2

We know that if function is continuous at x=a then LHL=RHL=f(a).

f(x)=\frac{x(x-2)}{(x+2)(x-2)}=\frac{x}{x+2}

LHL=Left hand limit when x <2

Substitute x=2-h

where h is small positive value >0

\lim_{h\rightarrow 0}f(x)=\lim_{h\rightarrow 0}\frac{2-h}{2-h+2}

\lim_{h\rightarrow 0}\frac{2-h}{4-h}=\frac{2}{4}=\frac{1}{2}

Right hand limit =RHL when x> 2

Substitute

x=2+h

\lim_{h\rightarrow 0}f(x)=\lim_{h\rightarrow 0}\frac{2+h}{2+h+2}=\lim_{h\rightarrow 0}\frac{2+h}{4+h}

=\frac{2}{4}=\frac{1}{2}

LHL=RHL=\frac{1}{2}

f(2)=1

LHL=RHL\neq f(2)

Hence, function is discontinuous at x=2

4 0
4 years ago
I don’t know how to solve this
snow_lady [41]
First you have to find the area of the WHOLE BOX. So you multiply,
8×7=56
Then find the area of the small box,
5×4=20
It says take away the area of the small box from the whole box and you should do just that: 56-20=36
The area of the shaded region is 36cm²
5 0
4 years ago
Read 2 more answers
Evaluate (8 x 10-3) +0.45 – (7 X 10-2). Write your answer in<br> scientific notation.
natulia [17]

Answer: 80 x  −  60.55

6 0
3 years ago
Do the functions have the same concavity? f(x)=2x^2-10x-30
kumpel [21]

Answer:

Use the inflection points to set up intervals. Substitute a value into each interval to find where the curve is concave up or down.

The graph is concave up

5 0
3 years ago
Read 2 more answers
PLEASE HELP ME WITH THIS MATH QUESTION
Helen [10]

Answer: 24%

Step-by-step explanation:

2610+8120 = The undergraduates and graduates combined.

That is 10730. You are figuring out the probability the student is a graduate when those two graduates are combined, because that is all the data given. So you would do 2610/10730 in your calculator, resulting in 24.324324324%. As it says rounded to the nearest percent in parentheses, it has to round to the whole number, 24%, and .3 rounds down.

5 0
3 years ago
Other questions:
  • What is 212 tens / 10
    8·2 answers
  • Slove the equation <br> ×+20=29
    10·1 answer
  • What is 50%+100094648%
    9·1 answer
  • In cele două săptămâni cât a stat la bunici, Adrian a citit o carte de povești. Ştiind că în prima
    8·2 answers
  • A jar has one red, one orange, one yellow, one green, one blue, and one purple marble in it. Wha
    11·1 answer
  • X^3=27 2,3,7,4 which one is it ?
    12·1 answer
  • Solve the equation 2x-11=k for x
    15·1 answer
  • The rectangle shown has a perimeter
    11·1 answer
  • Consider the equation and its solution.10 pt
    9·2 answers
  • Sarah can make 5 tables in 3 days, how many can she make in 21 days?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!