Which of the following is not a real number?

Which Of The Following Is Not A Real Number?

Answers

Answer 1
I think it is b because in the root can not have negative
Answer 2

Step-by-step explanation:

A


Related Questions

Alexandra has a stand in the marketplace where she sells ground cumin. She has a fixed amount of weekly expenses, and she sells her cumin for \$7.20$7.20dollar sign, 7, point, 20 per kilogram. If she sells 909090 kilograms of cumin, her weekly net profit is \$414$414dollar sign, 414.

Answers

Answer:

Alexandra's weekly expenses is $234

Step-by-step explanation:

Selling price of 1 kg cumin = $7.20

She sells amount of cumin = 20 kg

Selling price of 90 kg cumin = 90 \times 7.20

Selling price of 90 kg cumin =648

We are given that his weekly profit is $414

We are supposed to find his weekly expense

So, Expense = SP - Profit

Expense = 648-414

Expense=$234

Hence Alexandra's weekly expenses is $234

A person can pay $7 for a membership to the science museum and then go to the museum for
just $1 per visit. What is the maximum number of visits a member of the science museum can
make for a total cost of $46? Write an equation and solve. Show all work!

Answers

Answer:

39 visits.

Step-by-step explanation:

In order to solve, we must add the cost of the membership and the cost of the visits to get the sum of 46.

$7 is the cost of the membership, so thats going to be the first number we add. If you revist the museum, you will need to pay $1. Now to save time and space, I will not continusely write $1 until we get to 46, but instead, subtract 46 from 7. The difference we get will be the number of visits. I will be using the variable v to represent the difference/maximim number of visits a member of the science museum can make for a total cost of $46.

Current Equation: 7+1v = $46.

46 - 7 = 39.

7+1(39) = 46

I agree with the previous answer. It indeed is 39.

46-7=39 (7 - price of the membership)

39/1=39 (1 - price of the tickets)

Julie is wrapping presents. One present has
dimensions 10 cm by 10 cm by 10 cm and the other
present has dimensions 70 mm by 90 mm by 150
mm?
Which present will take more wrapping paper?

Answers

Answer:

The present with dimensions 70 mm by 90 mm by 150 mm will take more wrapping paper.

Step-by-step explanation:

70 mm = 7 cm, 90 mm = 9 cm,

150 mm = 15 cm. From this:

[tex]2(7)(9) + 2(7)(15) + 2(9)(15) = 126 + 210 + 270 = 606[/tex]

[tex]6( {10}^{2} ) = 6(100) = 600[/tex]

Help pls i am confused

Answers

Answer:

function two

Step-by-step explanation:

it is the only one with change

I need a answer asap What letter is located at approximately

22
22
?

A E

B F

C G

D H





Answers

Answer:

From what I'm interpreting, you are asking for the sqrt of 22, which then the answer would be point F

Step-by-step explanation:

knowing sqrt 25 = 5 and sqrt of 16 = 4, and knowing 22 is closer to 25, it can be estimated that sqrt of 22 would be closer to 5 however still less than it.

The numbers of regular season wins for 10 football teams in a given season are given below. Determine the​ range, mean,​ variance, and standard deviation of the population data set. ​, ​, ​, ​, ​, ​, ​, ​, ​, The range is 13 13. ​(Simplify your​ answer.) The population mean is nothing. ​(Simplify your answer. Round to the nearest tenth as​ needed.) The population variance is nothing. ​(Simplify your answer. Round to the nearest hundredth as​ needed.) The population standard deviation is

Answers

Answer:
The range is: 13. The population mean is: 8.5. The population variance is: 15.85. The population standard deviation is: 3.9812.
Step-by-step explanation:
The range: 15 - 2 = 13
The population mean is:
Mean = ( 2 + 9 + 15 + 5 + 14 + 8 + 11 + 7 + 4 + 10 ) / 10 = 8.5
The population variance ( S² or Sigma² ):
S ² = 1/10 · ( ( 2 - 8.5 )² + ( 9 - 8.5 )² + ( 15 - 8.5 )² + ( 5 - 8.5 )² + ( 14 - 8.5 )² + ( 8 - 8.5 )² + ( 11 - 8.5 )² + ( 7 - 8.5 )² + ( 4 - 8.5 )² + ( 10 - 8.5 )² )
S ² = 15.85
The population standard deviation:
S = √(S²) = √15.85 = 3.9812

The value of range = 13

The value of mean = 8.4

The value of variance = 23.6

The value of  standard deviation = 4.86

What is a mean?

It is the average value of the set given.

It is calculated as:

Mean = Sum of all the values of the set given / Number of values in the set

We have,

Population data set:

2​, 10​, 15​, 2​, 12​, 6​, 14​, 10​, 3​, 10.

Range:

= Highest - Lowest

= 15 - 2

= 13

Now,

Mean.

= (2 + 2 + 3 + 6 + 10 + 10 + 10 + 12 + 14 + 15) /  10
= 84/10

= 8.4

Now,

S = Sum of all (x - Mean)²

S = (2 - 8.4)² + (2 - 8.4)² + (3 - 8.4)² + (6 - 8.4)²+ (10 - 8.4)² + (10 - 8.4)² + (10 - 8.4)² + (12 - 8.4)² + (14 - 8.4)² + (15 - 8.4)²

S = 212.4

n = 10

n - 1 = 9

So,

Variance.

S² = S/(n - 1)

= 212.4/9

= 23.6

Now,

Standard deviation = √S²

So,

= √23.6

= 4.86

Thus,

Range = 13

Mean = 8.4

Variance = 23.6

Standard deviation = 4.86

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The complete question:

The numbers of regular season win for 10 football teams in a given season are given below.

Determine the​ range, mean,​variance, and standard deviation of the population data set. 2​, 10​, 15​, 2​, 12​, 6​, 14​, 10​, 3​, 10.

The range is 13. ​(Simplify your​ answer.)

The population mean is 8.4. ​(Simplify your answer.

Round to the nearest tenth as​ needed.)

The population variance is nothing. ​(Simplify your answer.

Round to the nearest hundredth as​ needed.)

The population standard deviation is nothing.

The dimensions of this figure are changed so that the new surface area is exactly 1/3 what it was originally. What is the new surface area? Enter your answer as a decimal in the box. ft² Please help! tysm ♥

Answers

Answer = 192.5 ft2

Surface Area of original figure= 577.49 ft2

Surface Area of new figure
= 1/3 x 577.49 = 192.497
= 192.5 ft2

Detailed Solution is in the picture below

The new surface area is 198.79 ft².

What is Surface Area?

An object's surface area is the total area that all of its surfaces occupy. Many 3D shapes in geometry have various surface areas, which are simply calculable using the formulas.

As per the given diagram:

All the dimensions are mentioned

new surface area is exactly (1/3) of original surface area.

Original surface area = (5 × 6.1) + (5 × 10) + (9.8 × 6.1) + (4.9 × 6.1) + (10 × 5) + (14.8 × 4.9) +  (10 × 5) + (14.8 × 4.9) + (14.8 × 6.1) + (14.9 × 6.1)

Original surface area = 30.5 + 50 + 59.78 + 29.89 + 50 + 72.52 + 50 + 72.52 + 90.28 + 90.89

original surface area = 596.38 ft²

Therefore,

New surface area = (1/3) of original surface area

= (1/3) × 596.38

= 198.79 ft²

Hence, the new surface area is 198.79 ft².

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At a NASCAR racetrack, the distance per lap is 2 miles. Lou Lambert drives his car at a constant rate of 160 miles per hour. Ralph Redding drives his car at a constant rate of 170 miles per hour. How long will it take before Ralph gains 2 laps in relation to Lou?​

Answers

Answer:

24 minutes

Step-by-step explanation:

Given:

Distance per lap = 2 miles

Speed of Lou Lambert = 160 miles/hr

Speed of Ralph Redding = 170 miles/hr

Speed difference between the two = 170 - 160 = 10 miles/hr

Therefore, we can say that Ralph gains 10 miles in 60 minutes over Lou.

We have to find the time in which Ralph will gain 2 laps i.e. 2 [tex]\times[/tex] 2 = 4 miles.

Let us use unitary method to find the required time.

10 miles are gained by Ralph in 60 minutes

1 mile will be gained in [tex]\frac{60}{10} = 6\ minutes[/tex]

4 miles will be gained in 6 [tex]\times[/tex] 4 = 24 minutes

Alex has a principal of $2,950 that earns 4% annual interest. What is Alex's balance?

Answers

your answer is 900.00

your welcome

have a good day or night

Answer:

$3068 after 1 year

Step-by-step explanation:

On Monday, your bank account balance was -12.58. Because you didn’t realize this, you wrote a check for $ 30.72 for groceries?? What is the new balance in your checking account?

Answers

Answer:

43.30

Step-by-step explanation:

hope this helped ;)

If QR=x+29 and PS=x–16, what is the value of x?

Answers

Answer: 61

By the triangle midsegment theorem, 2(SP)=RQ.

So, 2(x-16)=x+29, meaning x=61.

A cheese farmer distributes 672 ounces of
cheese each day. The cheese is packaged
in 16-ounce containers. Find the number
of containers of cheese distributed each
day by solving the equation 16c = 672.

Answers

Answer:

there are 42 containers

says find the measure of the indicated angle!! pls help!!! marking brainliest and i have to show work!!

Answers

answer:

sin theta=18/21

sin theta ^-1 (18/21)

=58.9972808661

therefore, angle ? = 59°

Please help greatly appreciated

Answers

The answer is: 190.091

Answer:

Today: Monday, 12 October 2020

Hour: 05.29 WIB (in Indonesian)

_________________________

area of semicircle

πr²/2

= 3.142 × 11²/2

= 3.142 × 121/2

= 380.182/2

= 190.091 cm²

A boat travels 160 miles in 5 hours. What is its speed in miles per minute?

—> Please show your work!

Answers

Step-by-step explanation:

distance = 160mile

time =5 hour or 5×60=300 minutes

speed =distance /time

v=160/300

v=0.5334miles per minute

the distance between the school and the library is 3 miles. About how many yards apart are the school and the library

Answers

Answer:

5280

Step-by-step explanation:

Take the amount of miles, multiply it by 1760, and you should get the approximate amount of yards.

What is the unit rate for 4 candy bars for $3

Answers

Answer:

$1.33

Step-by-step explanation:

divide 4÷3

and you get

1.333333333=

$1.33

Atlanta, GA has a CPI of 168. Seattle, WA has a CPI of 204. How does the purchasing power of an Atlanta resident earning a $32,800 salary compare to the purchasing power of a Seattle resident earning a $46,400 salary? a. The Atlanta resident has $34. 46/CPI more than the Seattle resident. B. The Atlanta resident has $83. 20/CPI more than the Seattle resident. C. The Seattle resident has $48. 74/CPI more than the Atlanta resident. D. The Seattle resident has $32. 21/CPI more than the Atlanta resident. Please select the best answer from the choices provided A B C D.

Answers

Answer: D, The Seattle resident has 32.21/CPI more than the Atlanta resident.

Step-by-step explanation: This can be solved by figuring out the price per CPI.

A helicopter hovers 1300 feet above a small island. The figure shows that the angle of depression from the helicopter to point P is 47°. How far off the​ coast, to the nearest​ foot, is the​ island?

Answers

Answer:

1.212 ft

Step-by-step explanation:

[tex] \tan(47) = \frac{1300}{d} \\ \\ d = \frac{1300}{ \tan(47) } \\ \\ d = 1.212 \\ \\ [/tex]

ANSWER: 1.212 ft

what goes in the boxes?

Answers

Answer:

8 10/3

MARK ME AS BRAIN LIESTS

what is the length of side BC in the right triangle

A.225
B.21
C.3
D.15
E.63
F.
[tex] \sqrt{63} [/tex]


Answers

Answer: I’m guessing it’s e but I might be wrong .

Step-by-step explanation:

Answer: bro it quince (15 in ingles)

Step-by-step explanation:

What is the measure of angle x?

Answers

55
Explanation: the triangle is equal to 180, 35 plus 90 is 125 and 180-125= 55.

Answer:

B) 55°

Step-by-step explanation:

The ∑ of all interior angles of a triangle is 180°.

When you see a square in a angle (as seen in the bottom left of the triangle), it means that it is a right angle, or 90° in measurement.

Set the equation:

180 = x + 90 + 35

First, combine like terms:

180 = x + (90 + 35)

180 = x + 125

Next, subtract 125 from both sides of the equation to isolate the x:

180 (-125) = x + 125 (-125)

x = 180 - 125

x = 55

55°, or B) is your answer.

~

PLS HELP ASAP THANKS ILL GIVE BRAINLKEST PLS THANKS PLS ASAP

Answers

Answer: it think it’s the third one

Step-by-step explanation:

The following represents a graph of the function h(x). Evaluate for h(-2).

Answers

Answer:

2 is the answer of the function h(-2) evaluated

Step-by-step explanation:

A customer at a store paid $64 for 3 large candles and 4 small candles. At the same store, a second customer paid $4 more than the first customer for 1 large candle and 8 small candles. The price of each large candle is the same, and the price of each small candle is the same.

Which system of equations can be used to find the price in dollars of each large candle, x , and each small candle, y ?

Answers

Step-by-step explanation:

Plug in x where you see large candle and y for small candle

64= 3x + 4y

64+4= x+ 8y

Brady and 3 Friends went to lunch at Mazzio's Pizza. Their meal cost $32, they left a 15% tip. How much was the total Bill, including tip?

Answers

Answer:

(32/100) x 115 = $36.80

Step-by-step explanation:

Not much to explain...

Wynona buys some new boots that are priced $85. 79. She gets successive discounts of 10% followed by 5% off on the boots. The purchase price of Wynona’s boots is _____ of the original price. A. 84% b. 84. 5% c. 85% d. 85. 5% Please select the best answer from the choices provided A B C D.

Answers

By applying basic concept of percentage we got that  if She gets successive discounts of 10% followed by 5% off on the boots. The purchase price of Wynona’s boots is 85.5%

What is percentage?

Percentage is a number expressed as a fraction of 100.

Here given that Wynona buys some new boots that are priced $85. 79. She gets successive discounts of 10% followed by 5% off on the boots.

First she get 10% discount so she has to pay only 90% amount of original

Now she is getting 5% more off

She has to pay 95% of 90%

so  purchase price 0.95[tex]\times[/tex] 90%

= 85.5%

By applying basic concept of percentage we got that  if She gets successive discounts of 10% followed by 5% off on the boots. The purchase price of Wynona’s boots is 85.5%

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A movie theater sells popcorn in a reusable bucket for $3.50. They offer refills for $1.00 each.

Write an equation in slope-intercept form to model the cost in dollars, y, for x refills.

Answers

Answer:

3.50= 1x + i dont know B

Step-by-step explanation:

the equation is y=mx + b

The equation in slope-intercept form to model the cost in dollars, y, for x refills is 3.50= 1x + b.

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

We have been given that movie theater sells popcorn in a reusable bucket for $3.50. They offer refills for $1.00 each.

The value of y  is popcorn cost = $3.50

The slope will be $1.00

Therefore, the equation is y=mx + b

Plug the values;

3.50= 1x + b

Hence, the equation in slope-intercept form to model the cost in dollars, y, for x refills is 3.50= 1x + b.

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Start time 7:30 pm end time 9:55 pm elapsed time:

Answers

Answer:

this would be 2 hours and 25 minutes friend :)

Step-by-step explanation:

Please rate 5 star and give brainlest! have an amazing day/night .

1. Prove the identity
a. tanθ cos θ

Answers

Answer:

[tex] \sin0[/tex]

Step-by-step explanation:

[tex] \tan0 \cos0 = \frac{ \sin0 }{ \cos0} \cos0 \\ \\ [/tex]

Therefore,

[tex] \tan0 \cos0 \: = \sin0 [/tex]

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