A hubcap has a radius of 11 centimeters. What is the area of the hubcap? Round your answer to the nearest hundredth. Use 3.14 for π.

Answers

Answer 1

Answer:

379.94 cm 2

Step-by-step explanation:


Related Questions

i will mark you as brainliest if you answer this correctly!

Answers

Answer:

1/32 yd

Step-by-step explanation

You roll two fair dice, a green one and a red one.

Required:
a. What is the probability of getting a sum of 8? (Enter your answer as a fraction.)
b. What is the probability of getting a sum of 4?
c. What is the probability of getting a sum of 8 or 4?
d. Are these outcomes mutually exclusive?

Answers

Answer:

[tex]a.\ \frac{5}{36}\\b.\ \frac{1}{12}\\c.\ \frac{2}{9}\\d.\ $Not mutually exclusive$[/tex]

Step-by-step explanation:

Given two fair dice are rolled, one green and one red.

To find:

a. Probability of getting a sum of 8.

b. Probability of getting a sum of 4.

c. Probability of getting a sum of 8 or 4.

d. Are these outcomes mutually exclusive?

Solution:

First of all, let us have a look at the output of roll of two dice.

There are a total of 36 outcomes.

{(1,1) (1,2) (1,3) (1,4) (1,5) (1,6)

(2,1) (2,2) (2,3) (2,4) (2,5) (2,6)

(3,1) (3,2) (3,3) (3,4) (3,5) (3,6)

(4,1) (4,2) (4,3) (4,4) (4,5) (4,6)

(5,1) (5,2) (5,3) (5,4) (5,5) (5,6)

(6,1) (6,2) (6,3) (6,4) (6,5) (6,6)}

a. Getting a sum equal to 8, we have following outcomes:

{(2, 6), (3,5), (4, 4), (5,3), (6, 2)}

5 possible outcomes for this event.

Formula for probability of an event E can be observed as:

[tex]P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}[/tex]

[tex]P($Getting 8$) = \dfrac{5}{36}[/tex]

b. Getting a sum equal to 4, we have following outcomes:

{(1, 3), (2,2), (3, 1)}

3 possible outcomes for this event.

Formula for probability of an event E can be observed as:

[tex]P($Getting 4$) = \dfrac{3}{36} = \dfrac{1}{12}[/tex]

c. Probability of getting a sum of 8 or 4?

Following possible outcomes are there:

{(2, 6), (3,5), (4, 4), (5,3), (6, 2), (1, 3), (2,2), (3, 1)}

Total 8 possible outcomes:

[tex]P($Getting 8 or 4$) = \dfrac{8}{36} = \dfrac{2}{9}[/tex]

d. Are these outcomes mutually exclusive?

These events are not mutually exclusive because they contain the similar outcome from both of the dice.

i.e. (4, 4) and (2, 2)

Samples of emissions from three suppliers are classified for conformance to air-quality specifications. The results from 100 samples are summarized as follows:

conforms
yes no
1 22 8
supplier 2 25 5
3 30 10

Let A denote the event that a sample is from supplier 1, and let B denote the event that a sample from any supplier conforms to specifications. If a disk is selected at random, determine the following probabilities.

a. P(A)=0.3
b. P(B)=0.77
c. P(A ∩ B) =0.22
d. P(A U B)=0.85

Answers

Answer

[tex]P(A) = 0.30[/tex]

[tex]P(B) = 0.77[/tex]

[tex]P(A\ n\ B) = 0.22[/tex]

[tex]P(A\ u\ B) = 0.85[/tex]

Explanation:

Given

See attachment for proper data presentation

[tex]n = 100[/tex] --- Sample

A = Supplier 1

B = Conforms to specification

Solving (a): P(A)

Here, we only consider data in sample 1 row.

Here:

[tex]Yes = 22[/tex] and [tex]No = 8[/tex]

[tex]n(A) = Yes + No[/tex]

[tex]n(A) = 22 + 8[/tex]

[tex]n(A) = 30[/tex]

P(A) is then calculated as:

[tex]P(A) = \frac{n(A)}{Sample}[/tex]

[tex]P(A) = \frac{30}{100}[/tex]

[tex]P(A) = 0.30[/tex]

Solving (b): P(B)

We only consider data in the Yes column.

Here:

[tex](1) = 22[/tex]    [tex](2) = 25[/tex] and [tex](3) = 30[/tex]

[tex]n(B) = (1) + (2) + (3)[/tex]

[tex]n(B) = 22 + 25 + 30[/tex]

[tex]n(B) = 77[/tex]

P(B) is then calculated as:

[tex]P(B) = \frac{n(B)}{Sample}[/tex]

[tex]P(B) = \frac{77}{100}[/tex]

[tex]P(B) = 0.77[/tex]

Solving (c): P(A n B)

Here, we only consider the similar cell in the yes column and sample 1 row.

i.e. [Supplier 1][Yes]

This is represented as: n(A n B)

[tex]n(A\ n\ B) = 22[/tex]

The probability is then calculated as:

[tex]P(A\ n\ B) = \frac{n(A\ n\ B)}{Sample}[/tex]

[tex]P(A\ n\ B) = \frac{22}{100}[/tex]

[tex]P(A\ n\ B) = 0.22[/tex]

Solving (d): P(A u B)

This is calculated as:

[tex]P(A\ u\ B) = P(A) + P(B) - P(A\ n\ B)[/tex]

This gives:

[tex]P(A\ u\ B) = \frac{30}{100} + \frac{77}{100} - \frac{22}{100}[/tex]

Take LCM

[tex]P(A\ u\ B) = \frac{30+77-22}{100}[/tex]

[tex]P(A\ u\ B) = \frac{85}{100}[/tex]

[tex]P(A\ u\ B) = 0.85[/tex]

Plz can anyone help me?

Answers

Answer:

400x

Step-by-step explanation:

as shown in the graph from points such as (1, 400) or (2,800) the person is traveling 400 per day

How to turn 11 over 25 to a percet

Answers

Answer:

44%

Step-by-step explanation:

11 = x

25    100

'percent' means out of 100

25 x 4 = 100

11 x 4 = 44

If chicken and a half lays an egg in a half in a day and a half, how many eggs would 3 chickens lay in 3 days?

Answers

Answer:

3 and a half

Step-by-step explanation:

Since it is half in a day they will lay 3 eggs and an egg will be in the process of coming

which graph is it?
[tex]g(x) = |x + 3| [/tex]

Answers

i believe the graph on the top row in the middle

HELP ASAP PLZ HELPPPP

Answers

Answer:

The angle ACX equals 51 degrees. The angle ACB equals 129 degrees.

Step-by-step explanation:

21 + 30 + y = 180

y = 129

129 + x =180

x = 51

Answer:
A teacher had 20 ounces of water in der
water bottle. She drank of the water.
How many ounces did she drink?

Answers

Answer:

the question is wrong

i cant answer it sorry

in the following census population density dataset, what are the first, second, third quartiles? 1,19,35,43,49,55,56,56,63,67,94,105,110,168,175,181,212,231,239,351,461,595,738,839,9857

Answers

It is do 67 my88
Ta 66

HELP ME PLEASE HELP HELP HELP WALLAHI HELP

Answers

9514 1404 393

Answer:

  48

Step-by-step explanation:

The Pythagorean theorem tells you the square of the hypotenuse (longest side) is the sum of the squares of the other two sides. Let x represent the unknown side.

  73² = x² +55²

  5329 = x² +3025 . . . evaluate the squares

  2304 = x² . . . . . . . . . subtract 3025 from both sides

  48 = x . . . . . . . . . . . . take the square root of both sides

The exact length of the third side is 48.

y=3x+5
y=4x+8
Find X

Answers

Answer:

The value of x is -3.

Step-by-step explanation:

It is given that:

y=3x+5       Eqn 1

y=4x+8       Eqn 2

Putting value of y from Eqn 2 in Eqn 1

4x + 8 = 3x + 5

4x - 3x = 5 - 8

x = -3

Therefore,

The value of x is -3.

PLEASE HELP!! URGENT!!!
If the expression below is written in
the form ax2 + bx + c and a, b, and
care constants. What is the value
of a + b + c?
(3x2 – 2x + 5) – (-2x2 – 2x + 2)

Answers

Im not sure the answer

Step-by-step explanation:

sorry tho

Find the x- and y-intercepts of the graph of the equation.
y = 2/3x-12
Help plz
I know the y is 0,-12 but is the x intercept?

Answers

Answer:

(18,0)

Step-by-step explanation:

Set y equal to zero

0=2/3x-12

12=2/3x

x=18, the x intercept is (18,0)

Answer:

x-intercept at (18, 0)

Step-by-step explanation:

to find x-intercept, set 'y' equal to zero and solve for 'x'

0 = 2/3x - 12

12 = 2/3x

2x = 36

x = 18

What is the solution to the inequality below

Answers

Answer:

x² ≤ 16

x²-16 ≤ 0

x²-4²≤0

(x-4)(x+4) ≤ 0

-4 ≤ x ≤ 4

B. is the right answer.

Product A is an 8-oz. bottle of cough medication that sells for $1.36. Product B is a 16-oz. bottle of cough medication that costs $3.20. Which product has the lower unit price?

Answers

Answer:

A

Step-by-step explanation:

Joel has a bag with 128 pieces of candy in it He gives his sister 25% of the candy how many peices of candy does joel give his sister

Answers

Answer:

32

Step-by-step explanation:

So basically multiple 128 to 25%
it would be 128 x 25/100
=32

solving system equations
y=5
x=-2y+56

Answers

X equals 46 I think I’m not so sure

Worth a lot of points

Answers

6. Is 6MPH because 12M / 2H
8. Is 40Seconds because 120 / 3
10. Is 113.3 seconds

Answer: guy Belows right

Step-by-step explanation:

Rewrite 6/4as a percent

Answers

Answer:  150%

Step-by-step explanation:

6/4 is the same as 3/2 or 1¹/₂

Change to a decimal by dividing the denominator into the numerator

3/2 = 1.5

Then multiply by 100 to change from a decimal to a percent.

1.5 × 100 = 150  Add the % sign

150%

a in the solution to the system of equations below?
a=38 +7
4a +9 = 70

Answers

Answer:

A=45

15.25

Step-by-step explanation:

You and three friends are going to the fair. The cost for
parking is $5 per car and admission to the fair is $19 per person. If you have
a total of $113, how much can each person spend on food?

Answers

Answer:

$17 on food per person

Step-by-step explanation:

The cost of parking a car is $5

Assuming that the friends used one car, then the parking cost=$5

Admission cost is 19

For three people, Admission cost =19*3=57

TOTAl COSTS=Parking cost+Admission cost

TOTAl COSTS=57+5=62

Remaining amount can be used for food

FOOD= 113-62=51

Therefore each person can spend 51/3=$17 on food

I hope this was helpful and clear to follow

Answer:

$8

Step-by-step explanation:

19 x 4 + 5 + c =113

81 + c =113

-81         -81

c =32

32 divided by 4 ppl = 8

Hello, I have been needing help for this problem for awhile. Can someone help me please?​

Answers

Answer:

x = 6

Step-by-step explanation:

[tex]x = \sqrt{10 {}^{2} - 8 {}^{2} } [/tex]

[tex]x = \sqrt{100 - 64} [/tex]

[tex]x = \sqrt{36} [/tex]

[tex]x = 6[/tex]

If x= 25 and y= 54. What is the constant of proportionality?

Answers

9514 1404 393

Answer:

  2.16

Step-by-step explanation:

The constant of proportionality is the ratio of y to x:

  k = 54/25 = 2.16

The constant of proportionality is 2.16.

What is the volume of the cone?
21 cm
16 cm
17 cm
12 cm
A 201.1 cm3
B. 603.2 cm
0
C. 640.9 cm3
D. 791.7 cm

Answers

Answer:

C

Step-by-step explanation:

help pls will give you brandy

Answers

Answer:

9+2=7-4+3

9-4=5+2=7

4-9=5+2=7

4-9+5+2=7

Step-by-step explanation:

Your welcome bro

Answer:

1. A

2. C

3. B

4. B

5. A

Step-by-step explanation:

I hope this helps might be wrong if they are just delete my answer.

-10(1 - 9x) + 6(x - 10)
Combining like terms

Answers

Answer: 96x - 70

Explanation:

-10(1 - 9x) + 6(x - 10)
-10 + 90x + 6x - 60
96x - 70

What is the equation in the standard form of a parabola with a vertex of (4,2) that passes through (2, 14)?​

Answers

9514 1404 393

Answer:

  y = 3x^2 -24x +50

Step-by-step explanation:

The vertex form is ...

  y = a(x -4)^2 +2

where 'a' is chosen to make the curve pass through the given point.

  14 = a(2 -4)^2 +2 . . . . substitute the given point

  14 = 4a +2 . . . simplify

  12 = 4a . . . . . subtract 2

  3 = a . . . . . . . divide by 4

Then the standard form is the expansion of the vertex form:

  y = 3(x -4)^2 +2 = 3(x^2 -8x +16) +2

  y = 3x^2 -24x +50

B(t)=100•2^t/10 how many minutes will it take for the culture to achieve 10,000 bacteria? Round answer to nearest hundredth

Answers

Answer:

66.44

Step-by-step explanation:

66.44 minutes will it take for the culture to achieve 10,000 bacteria.

What is logarithm?

In mathematics, the logarithm is the inverse function to exponentiation. That means the logarithm of a given number x is the exponent to which another fixed number, the base b, must be raised, to produce that number x

Given

B(t)=[tex]100.2^{\frac{t}{10} }[/tex] = 10000

[tex]2^{\frac{t}{10} } = 100\\t = 100\frac{ln 10}{ln 2} = 66.44[/tex]

To know more about logarithm refer to :

https://brainly.com/question/2411204

#SPJ2

Please help!!! I need someone to use some brain power

Answers

Answer:

r = 4, s = 3, t = 5

Step-by-step explanation:

Solving quadratic equation:

5x² - 8x + 5 = 0x = (-b ± √b²-4ac)/2ax = (8 ± √8²-4*5*5)/2*5x = (8 ± √64-100)/10x = (8 ±√-36)/10x = (8 ± 6i)/10x = (4 ± 3i)/5

x = (r ± si)/t

r = 4, s = 3, t = 5

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