PLEASE HELP!!! The half life of carbon-11 is 20 minutes. A sample of carbon-11 has
25mCi. How much is left after 1 hour?*
A)12.5mci
B)10.2mCi
C)2.25mci
D)3.125mci

Answers

Answer 1

Answer:

3.125 (D)

Step-by-step explanation:

1 is 1/2

25-1 4

20x3 = 60mins

3.125 would be took away results end with what you have took for this equation


Related Questions

Kirsty counts number of peas in a pod

Answers

Answer:

I do not know

Step-by-step explanation:

You need to put the rest of the question there so that we know how many peas there are and what is happening to the peas.

Answer:

Put the rest of the equation so we can help you

Step-by-step explanation:

Usa mmm para mostrar cada número.
Comienza con
este número.
Encierra en un
Escribe un
círculo es mayor
número para
que o es menor que comparar.
1.
es mayor que
es menor que
37
2.
es mayor que
es menor que
61

Answers

1. es menor que
2. es menor que


Please help me I’m failing!!!

Answers

-9 is the answer hope you pass
-9 Is The Answer Hope This Helps

0.77 times 0.112 divided by 78 times 90

Answers

Answer:

0.0995076923

Step-by-step explanation:

FREE GIFTCARD/ROBUX GIVE AWAY FOR RIGHT ANSWERS ONLY

GUYS PLEASE HURRY I NEED HELP

graph each figure with the given vertices and identify the figure. Then find the perimeter and area of the figure

1. S(0,0), T(3,-2), U(8,0)

2. 0(3,2), P(1,2), Q(1,-4), R(3,-4)

Answers

JUST PUT THE FREAKING POINTS ON THE GRAPH

Answer:

put the stuff on 1 to the first graph

Step-by-step explanation:

putt the stuff on 2 in the second one

walking in the winter wonderland here comes ________right down Santa claus lane

Answers

Answer:

Santa Claus

Step-by-step explanation:

It goes " walking in a winter wonderland here comes Santa Claus right down Santa Claus lane :) hope this helps

Answer:

Santa Clause

Step-by-step explanation:

Happy Holidays

A map of a rectangular park has a length of 4 inches and a width of 6 inches. Ir uses a scale of 1 inch for every 10 miles. What is the area of the park? Is tthe answer 2,400 miles?

Answers

Answer:

yes, your answer would be 2400

The mean hourly pay of an American Airlines flight attendant is normally distributed with a mean of $29.81 per hour and a standard deviation of $9.31 per hour. What is the probability that the hourly pay of a randomly selected flight attendant:


a. Is between the mean and $35.00 per hour? (Round intermediate calculations to 2 decimal places and final answer to 4 decimal places.)




b. Is more than $35.00 per hour? (Round intermediate calculations to 2 decimal places and final answer to 4 decimal places.)




c. Is less than $20.00 per hour? (Round intermediate calculations to 2 decimal places and final answer to 4 decimal places.)

Answers

Answer:

a

[tex]P(29.81 < X < 35) = 0.21141[/tex]

b

[tex]P( X > 35) =0.28859[/tex]

c

 [tex]P( X < 20) =0.14601[/tex]    

Step-by-step explanation:

From the question we are told that

    The mean is  [tex]\mu = \$29.81[/tex]

    The standard deviation is [tex]\sigma = \$9.31[/tex]

Generally the probability that the hourly pay of a randomly selected flight attendant  Is between the mean and $35.00 per hour is mathematically represented as

      [tex]P(29.81 < X < 35) = P( \frac{ 29.81 - 29.81 }{9.31} < \frac{x - \mu }{\sigma} < \frac{ 35 - 29.81 }{9.31} )[/tex]

[tex]\frac{X -\mu}{\sigma }  =  Z (The  \ standardized \  value\  of  \ X )[/tex]

     [tex]P(29.81 < X < 35) = P( 0 < Z < 0.5575 )[/tex]

=>   [tex]P(29.81 < X < 35) = P( Z < 0.5575) - P( Z < 0)[/tex]

From the z table  the area under the normal curve to the left corresponding to  0 and  0.5575   is  

   [tex]P( Z < 0) =0.5[/tex]

and

   [tex]P( Z < 0.5575) = 0.71141[/tex]

=>   [tex]P(29.81 < X < 35) = 0.71141 - 0.5[/tex]

=>   [tex]P(29.81 < X < 35) = 0.21141[/tex]

Generally the probability that the hourly pay of a randomly selected flight attendant  Is more than $35.00 per hour is mathematically represented as

   [tex]P(X > 35) = P( \frac{x - \mu }{\sigma} > \frac{ 35 - 29.81 }{9.31} )[/tex]

   [tex]P( X > 35) = P( Z > 0.5575 )[/tex]

From the z table  the area under the normal curve to the right  corresponding to 0.5575   is  

    [tex]P( Z > 0.5575 ) = 0.28859[/tex]

=>  [tex]P( X > 35) =0.28859[/tex]

Generally the probability that the hourly pay of a randomly selected flight attendant Is less than $20.00 per hour is mathematically represented as

   [tex]P(X <20 ) = P( \frac{x - \mu }{\sigma} < \frac{20 - 29.81 }{9.31} )[/tex]

   [tex]P( X < 20) = P( Z < -1.0537 )[/tex]

From the z table  the area under the normal curve to the right  corresponding to -1.0537  is  

    [tex]P( Z < -1.0537 ) = 0.14601[/tex]

=>  [tex]P( X < 20) =0.14601[/tex]    

Piper used 1/3yard of ribbon to create a border around a
triangle. If the sides of the triangle are all the same length, how much ribbon did she use for each side

Answers

Answer:

1/9 yards of ribbon

Step-by-step explanation:

triangle = 3 sides

since it has the same length sides, then

(1/3) / 3 = 1/9 yards, or

1/3 feet, or

0.1111111... yards, or

0.3333333... feet, or

4 inches

math practice thank you​

Answers

Answer:

The missing part is 90 degrees

Answer:

yea u r missing the 90 degrees

Step-by-step explanation:

The area of a rectangular garden is 6290 ft 2. If the width of the garden is 74 feet, what is its length?

Answers

Answer:

85

Step-by-step explanation:

The graph shows the number of miles Peter's car traveled and the gallons of gas used.
MILEAGE OF PETER'S CAR
160
140
120
100
Miles Traveled
80
60
40
20
8
9 10
1 2 3 4 5 6 7
Gallons of Gas
Which equation can be used to find the distance in miles, d, that the car can travel on g gallons of gas?

Answers

Answer:

I believe it’s d=16g

Step-by-step explanation: Because the graph is on 160 but we are converting it to a bigger number or smaller so it’s 16 I think

I don't understand this question, help me, someone, please

Answers

Answer:

Arranging the terms from least to greatest:

[tex]\frac{3039}{1000}<\frac{3200}{1000}<\frac{3990}{1000}<\frac{8200}{1000}[/tex]

Now actual terms arranged from least to greatest will be:

[tex]3\frac{39}{1000}<3\frac{1}{5} <3\frac{99}{100}<3\frac{52}{10}[/tex]

Step-by-step explanation:

We need to arrange the weights [tex]3\frac{1}{5} ,3\frac{39}{1000},3\frac{99}{100},3\frac{52}{10}[/tex] from least to greatest.

To arrange them in least to greatest we need to convert them into improper fractions and then make their denominators same.

[tex]3\frac{1}{5}=\frac{16}{5} \\3\frac{39}{1000}=\frac{3039}{1000} \\3\frac{99}{100}=\frac{399}{100} \\3\frac{52}{10}=\frac{82}{10}[/tex]

Now, Making their denominator same by taking LCM of 5,1000,100 and 10

The LCM is 1000

Now the fractions will become:

[tex]\frac{16}{5}=\frac{16*200}{5*200}=\frac{3200}{1000}[/tex]

[tex]\frac{399}{100}=\frac{399*10}{100*10}=\frac{3990}{1000}[/tex]

[tex]\frac{82}{10}=\frac{82*100}{10*100}=\frac{8200}{1000}[/tex]

Now we have fractions: [tex]\frac{3200}{1000},\frac{3990}{1000},\frac{8200}{1000},\frac{3039}{1000}[/tex]

Now the smallest term will be one having smallest numerator

Arranging the terms from least to greatest:

[tex]\frac{3039}{1000}<\frac{3200}{1000}<\frac{3990}{1000}<\frac{8200}{1000}[/tex]

Now actual terms arranged from least to greatest will be:

[tex]3\frac{39}{1000}<3\frac{1}{5} <3\frac{99}{100}<3\frac{52}{10}[/tex]

(help!)


On a game show, Luke got to spin the wheel twice.
The first time, he got 900 points.
The second time, he got -200 points.
Assuming he started with no points, what was his total score?
A) 700
B) -700
C) 1100
D) - 1100

Answers

Answer:

a)700 is the answer that was easy

A turntable has a diameter of 40 cm what its circumference

Answers

Answer:

Circumference of turntable is 125.6 cm

Step-by-step explanation:

Diameter of turntable = 40 cm

We need to find circumference of turntable.

The formula used to calculate circumference is: [tex]Circumference=2\pi r[/tex]

where r is radius

We know that: [tex]radius=\frac{diameter}{2}[/tex]

Finding radius first:

[tex]radius=\frac{diameter}{2}\\radius=\frac{40}{2}\\radius = 20 \ cm[/tex]

So, radius r=20 cm

Now finding circumference

[tex]Circumference=2\pi r\\Circumference=2\times3.14\times20\\Circumference=125.6 \ cm[/tex]

So, circumference of turntable is 125.6 cm

-9x=36
What is the value of x?

Answers

Answer:

x = 16 because if you multiply that and then divide

Answer: x=-4

Step-by-step explanation:

-9x=36

Divide both sides by -9 to get x alone

x=-4

Help please, also put a small explanation if u want brainliest, I wanna double check my answer

Answers

Answer:

C. 90 inches squared

Step-by-step explanation:

5 times 3 = 15

2 times 3 = 6

15 times 6 = 90 inches squared

Answer:

the answer is D

Step-by-step explanation:

the reason why it is D because you do 5x2 which equales 10 then u have to do 10x3 which equals 30 so the answer is 30 because she used the factor 3

Brainliest if you provide a valid answer and explanation!

Q: Find the area!

Answers

Answer:

113.04 in^2

Step-by-step explanation:

A=pi*r^2

A=3.14*6^2

A=3.14*36

A=113.04

Answer

The area of the circle is [tex]36\pi[/tex] inches squared.

Explanation

The formula for the area of a circle is [tex]\pi r^{2}[/tex]. You are already given the radius (which is 6) so all you have to do is substitute the 6 for 'r' and solve the equation.

After substituting 6 for 'r' you get [tex]\pi 6^{2}[/tex].

According to PEMDAS, you have to solve 6 to the power of 2 first. 6 to the power of 2 is 36.

So the area of the circle is [tex]36\pi[/tex] inches squared.

If you would like to completely solve for the area, you can multiply 36 by 3.14. 36 times 3.14 equals 113.04. Note that this is not the exact answer, because [tex]\pi[/tex] is a never ending number, meaning if you multiplied both numbers, you product would also be a never ending number.

So the area of the circle is [tex]36\pi[/tex] or about [tex]113.04[/tex] inches squared.


Name the corresponding angle or side. a, b, c, or D

Answers

Answer:

I think it is B. LM

Step-by-step explanation:

i think this because the shape just looks like it is rotated.

Write the following as a base-10 numeral in standard form.
4 x 105 + 2 x 102 + 7 =

Answers

Answer:

631

Step-by-step explanation:

4x105=420

102*102=204

Rewrite the equation:

420+204+7= 631

point k lies at (-3,4) Image

Answers

Answer:

[tex]k(x,y) --> k'(x,y-7)[/tex]

Step-by-step explanation:

Given

[tex]k = (-3,4)[/tex]

Translation: 7 units down

Required

Determine the rule to produce k'

When an (x,y) coordinate is translated down by h units, the resulting point is:

(x,y) --> (x, y - h)

In this case:

[tex]h = 7[/tex]

So, we have:

[tex]k(x,y) --> k'(x,y-7)[/tex]

Hence, option A answers the question.

Solving further to determine the coordinates of k'.

[tex]k = (-3,4)[/tex]

[tex]k' = (-3,4-7)[/tex]

[tex]k' = (-3,-3)[/tex]

777×900
Can u help me​

Answers

1st Answer:

The answer to this would be 699,300!

Have a great day good luck! Plugging it into a calculator was easy^^

Answer:

699,300

Step-by-step explanation:

777x900=699,300

WILL GIVE BRAINLIEST

Answers

You’re right the first one

Solve x2 - 16 = 59. What does x
equal?

Answers

Answer:

37.5

Step-by-step explanation:

Answer:  x = 75/2 = 37.5

Step by Step:

Solve for x:

2 x - 16 = 59

Hint: | Isolate terms with x to the left hand side.

Add 16 to both sides:

2 x + (16 - 16) = 16 + 59

Hint: | Look for the difference of two identical terms.

16 - 16 = 0:

2 x = 59 + 16

Hint: | Evaluate 59 + 16.

59 + 16 = 75:

2 x = 75

Hint: | Divide both sides by a constant to simplify the equation.

Divide both sides of 2 x = 75 by 2:

(2 x)/2 = 75/2

Hint: | Any nonzero number divided by itself is one.

2/2 = 1:

Answer:  x = 75/2 = 37.5

what is the absolute value of 600

Answers

Answer: 600

Step-by-step explanation:

X-97x = 90
Solve for this equation

Answers

Answer: X= -15/16 or X= -0.9375

Step-by-step explanation:

Pls help will mark brainliest

Answers

Answer:

f(5) = 9

Step-by-step explanation:

f(x) = 4x - 11

f(5)

f(5) = 4(5) - 11       Substitute 5 for x

f(5) = 20 - 11         Solve down

f(5) = 9

Hope this helps!

Answers must be in standard form:
(Y-1)(y-3)

Answers

Answer:

Its already,

I guess

But

= Y^2 - 4y + 3

Answer:

Y * Y -3Y-Y+3

Y2-4Y+3

when Y2is square of Y

use a ciommon denominator to write an equivalent fraction for each fraction

Answers

A common denominator, which means having the same number in the denominator (or the bottom) of each fraction, creates equivalent fractions that can be added, subtracted, or compared. Finding a common denominator means finding one number that each denominator can divide into easily.

[tex] : )[/tex]

Write down the name of each of these shapes.
a)
b)

Answers

Answer:

a. right triangle or right-angled triangle

b. scalene triangle

Answer:

a) right-angled triangle

b) scalene triangle

Step-by-step explanation:

a) the square represents 90 degrees, and 90 degrees is called a right angle.

b) It has no defined sides or angles and all sides or angles are different.

Other Questions
Need help ASAP !Per capita GDP is a better measure of a nation's economic development than total GDP because...a. it shows how wealthy each person in the country is.b. it gives a better comparison between countries of different population sizes.c. it shows how the unemployment rate affects GDP.d. it uses the exchange rate of the country involved. Assume that the weekly payroll of Hunter Hardware, Inc., is $1,000. The end of the year, December 31, falls on Tuesday. Hunter Hardware will pay its employees on Friday for the full week. What adjusting entry will Hunter Hardware make on Tuesday, December 31? (Use five days as a full workweek.)Date Accounts and Explanations Debit CreditA. Salaries Expense 400 Salaries Payable 400B. Salaries Payable 400 Salaries Expense 400C. Salaries Expense 600 Cash 600D. Salaries Expense 600 Salaries Payable 600 When something happens that is contrary to what you may be expecting, what is this called? A)situational ironyB)dramatic ironyC)symbolismD)metaphorPLEASE HELP MAKE YOU BRAINIEST!!! Hi My Name Is Christine I am New on here and I need help on math I'm usually good at it but I need help pleaseAlso before I put the question I need a Boy Named Scott They always seem to be smart So if your name is Scott HELP5x-3x+58=? I need help solving for XThe answer choices are -910-119 pls help find the amount at the end of 6 hours What is the answer this is due in 10 MINUTES The properties of a substance are not affected by chemical reactions.A) trueB) false Which equation represents the line with a slope of 56 that passes through the point (2,1)? Select the three fractions that are equal to 8/14 A) 4/7B) 48/84C)16/28D) 2/3E) 24/48 In a sequence, each number after the first number is obtained by adding 4 to the previous number. If the first number in the sequence is 7, which of the following expressions represents the nth number in the sequence?A 7+4nB 7+(4n1)C 7+4(n1)D 7+4(n+1) Mia has $50 on a gift card to her favorite coffee shop. Each time she visits the coffee shops she spends $3.75 on her favorite drink. Choose the equation that represents the relationship between x, the number of times she visits the coffee shop, and y, the total amount on her gift card. Read and match each incomplete sentence with the correct word or phrase to complete it. Match Term Definition Antes de ________ el carro, ponte el cinturn de seguridad. A) manejar Luca, ________; hay embotellamientos en la calle Laurel. B) el gato Marta es una conductora segura; tiene ________ en el bal del carro. C) ten cuidado Pablo est triste hoy; tiene ________. D) una multa por exceso de velocidad What is a persuasive speech ? What is the answer for the quotient It is estimated that 88% of senior citizens suffer from sleep disorders and 7% suffer from anxiety. Moreover, 5% of senior citizens suffer from both sleep disorders and anxiety. a)Given that a senior citizen suffers from anxiety, what is the probability that he or she also suffers from a sleep disorder? Round your answer to the nearest hundredth. B) Find the probability that a senior citizen suffers from anxiety, given that he or she has a sleep disorder. Round your answer to the nearest hundredth. Hi, I need help pretty plz! If anyone has the right answers, plz share! Thank u! (Screenshots below) Question:What is the relationship between temperature and kinetic energy of the molecules?(As temperature increases, kinetic energy ....) Based on the details "Youth Activism and Animal Rights, which aspects of "Undercover Farmer are factual elements? Select 3 options. the occurrences of abuse at the farm the name of the students club the students becoming activists the existence of a factory farm the narrators disgust at the farms conditions How does this image reflect George Washington's views on government? He believed in the importance of state sovereignty. He had a foreign policy that favored Great Britain. He did not believe presidents ought to have a third term. He believed the federal government needed more power.