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
Nookie1986 [14]
3 years ago
10

What is the variance of the following data? If necessary, round your answer to two decimal places.

Mathematics
1 answer:
Assoli18 [71]3 years ago
3 0
Definitely The answer B
You might be interested in
A car traveling at a certain speed will travel 76 feet per second. How many miles will the car travel in 3.1 hours if it maintai
murzikaleks [220]
\sf  \frac{76~ feet}{1~second} \times  \frac{1~mile}{5280~feet} \times  \frac{3600~seconds}{1~hour} =  \frac{51.82~miles}{hour}

51.82 miles in one hour, so 51.28 x 3 = <span>155.46 miles in 3 hours.

Your answer is </span><span>155.46 miles in 3 hours.</span>
6 0
3 years ago
$44 marked up by 40%
Vlada [557]
You will take 44+(40/100 * 44) = 44 + 17.6 = $61.60 ($61.60 is going to be the retail price of the lamp).
5 0
3 years ago
Read 2 more answers
Elsa, Ryan, and Bill have a total of $135 in their wallets. Ryan has 4 times what Bill has. Elsa has $9 more than Bill. How much
NNADVOKAT [17]

Answer:

Bill has $21.

Step-by-step explanation:

There's $135. 84/4=21. At the same time, 21+9=30. 30+21+84=135.

6 0
3 years ago
Which expression is equivalent to (x^2 -8) - (-2x^2+4)?​
Phoenix [80]

Answer:

D) 3x^2 - 12

Step-by-step explanation:

Using PEMDAS;

There is no need to evaluate the part of the equation (x^2 - 8) because is no need to, as it is already in its simplest form.

We must evaluate the part of the equation continuing with, "- (-2x^2+4)," as it is not in its simplest form.

Evaluating "- (-2x^2+4)":

Step 1: Distributing the negative

Once distributing the negative symbol amongst the values within the parenthesis according to PEMDAS, we get "2x^2 - 4" as the product.

Step 2: Consider the rest of the equation to evaluate

Since the part of the equation is still in play here as it is a part of the original equation to be solved, we must evaluate it as a whole to get the final answer.

Thus,

x^2 -8 + 2x^2 - 4 = ___

*we can remove the parenthesis as it has no purpose, since it makes no difference.

Evaluating for the answer, we get,

x^2+2x^2 + (-8 - 4) = 3x^2 - 12

Hence, the answer is D) 3x^2 - 12.

3 0
3 years ago
I need help please and thanks
Akimi4 [234]
Perimeter of rectangle = all sides added
= 3+3+7+7 =20


volume of sphere = 4/3 x π x r(cubed)
= 4/3 x π X 4(cubed)
= 268.08257

area of triangle = base x height / 2
= 5 x 6 / 2
=30/2 =15

volume of pyramid = base height x base width x height / 3
= 300

side of triangle ---> use Pythagoras theorem so a(squared) + b (squared) = c(squared)
4(squared) + 3(squared) = c(squared)
16 + 9 = c(squared)
25 = c(squared)
c = 5


yw sis xoxoxo





7 0
3 years ago
Other questions:
  • What is the area of this trapezoid?
    15·1 answer
  • Bryan plays on the high school basketball team. In his first ten games he scored 12, 14, 8, 9, 8, 16, 8, 13, 22, and 19 points.
    13·1 answer
  • .Which of these numbers are factors of 9? Check all that apply. 1 2 3 9 18
    15·1 answer
  • Rewrite the exponent as a fraction with postive a positive exponent.<br><br> (-2)^-3
    8·1 answer
  • Given h(x) = 3x^2 - 2x +8 what is h(2) <br><br> Help please
    6·1 answer
  • 70% of What number 56
    14·1 answer
  • Consider the following portion of an electric circuit with three relays. Current will flow from point a to point b if there is a
    5·1 answer
  • Find the formula for<br> B
    14·2 answers
  • What is 900 / y = 50 nwividsjvksfnvkjsjvcjsjvsajijviajsnjsikfjvinsjgksjvkksnvksafojbknfbnajdsvnjfdjvjvndj
    13·1 answer
  • 4x²-24x-36 = 0<br>Help please......​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!