Element X is a radioactive isotope such that every 40 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 110 grams, how much of the element would remain after 29 years, to the nearest whole number?

Answers

Answer 1

Answer:67 or 66.549674907

Step-by-step explanation:

Man women baby


Related Questions

Harper plans to purchase her school pictures. The prints cost $108 plus any add-ons she wants to purchase. If she saves $18 per week, which solution represents how many weeks, x, it will take Harper before she can purchase her school pictures?

Answers

Answer:

It will take 6 weeks

Step-by-step explanation:

Weeks = x

$18x = $108

X = $108/$18

X = 6

So 6 weeks

Javed downloaded from the Internet two files that had a combined size of 696 megabytes. The size of the first file was
290 megabytes, and it took 5 minutes to download, Assuming that the files downloaded at a constant speed, how long
did it take for the second file to download?
2 minutes
4 minutes
7 minutes
12 minutes

Answers

The answer is C seven minutes

Answer:

c 7 mins

Step-by-step explanation:

You decided to join a fantasy Baseball league and you think the best way to pick your players is to look at their Batting Averages.

You want to use data from the previous season to help predict Batting Averages to know which players to pick for the upcoming season. You want to use Runs Score, Doubles, Triples, Home Runs and Strike Outs to determine if there is a significant linear relationship for Batting Averages.

You collect data to, to help estimate Batting Average, to see which players you should choose. You collect data on 45 players to help make your decision.

x1 = Runs Score/Times at Bat

x2 = Doubles/Times at Bat

x3 = Triples/Times at Bat

x4 = Home Runs/Times at Bat

x5= Strike Outs/Times at Bat

Interpret the slope(s) of the significant predictors for Batting Average (if there are any).

See Attached Excel for Data.

Baseball data.xlsx
Doubles/Times at Bat Triples/times at bat HR/Times at Bat SO/Times at Bat
0.049 0.012 0.013 0.086
0.039 0.013 0.002 0.062
0.045 0.021 0.013 0.074
0.043 0.001 0.03 0.032
0.044 0.011 0.07 0.076
0.047 0.018 0.05 0.007
0.036 0.008 0.012 0.095
0.03 0.006 0.003 0.145
0.05 0.008 0.061 0.112
0.041 0.005 0.014 0.124
0.047 0.012 0.009 0.111
0.058 0.01 0.011 0.07
0.041 0.009 0.005 0.065
0.037 0.003 0.004 0.138
0.058 0.014 0.011 0.032
0.05 0.012 0.05 0.06
0.04 0.008 0.049 0.233
0.038 0.013 0.003 0.068
0.06 0.016 0.085 0.158
0.066 0.021 0.037 0.083
0.051 0.02 0.012 0.04
0.052 0.008 0.054 0.095
0.037 0.003 0.043 0.135
0.063 0.026 0.01 0.031
0.054 0.027 0.01 0.048
0.025 0.006 0 0.061
0.044 0.003 0.022 0.151
0.063 0.02 0.037 0.081
0.045 0.008 0 0.252
0.053 0.017 0.013 0.07
0.041 0.007 0.051 0.264
0.057 0.03 0.017 0.058
0.029 0.007 0.011 0.188
0.034 0.019 0.005 0.014
0.038 0.006 0.015 0.142
0.068 0.016 0.022 0.092
0.042 0.009 0.066 0.211
0.052 0.008 0.054 0.095
0.049 0.007 0.038 0.101
0.044 0.007 0.002 0.205
0.037 0.003 0.004 0.138
0.061 0.002 0.012 0.147
0.049 0.012 0.021 0.13
0.026 0.011 0.002 0
0.053 0.005 0.039 0.115


Question 4 options:

There are no significant predictors.


When you hold Double, Triples, Home Runs and Strike Outs constant, as Runs Score increases by 1, your Batting Average will increase by .109/Times at Bat.

When you hold Runs Score, Triples, Home Runs and Strike Outs constant, as Doubles increases by 1, your Batting Average will increase by .313/Times at Bat.

When you hold Runs Score, Doubles, Triples, and Home Runs constant, as Strike Outs increase by 1, your Batting Average will decrease by .052/Times at Bat.


When you hold Double, Triples, Home Runs and Strike Outs constant, as Runs Score increases by 1, your Batting Average will increase by .225/Times at Bat.

When you hold Runs Score, Triples, Home Runs and Strike Outs constant, as Doubles increases by 1, your Batting Average will increase by .358/Times at Bat.

When you hold Runs Score, Doubles, Triples, and Home Runs constant, as Strike Outs increase by 1, your Batting Average will decrease by .389/Times at Bat.


When you hold Double, Triples, Home Runs and Strike Outs constant, as Runs Score increases by 1, your Batting Average will increase by .447/Times at Bat.

When you hold Runs Score, Triples, Home Runs and Strike Outs constant, as Doubles increases by 1, your Batting Average will increase by .991/Times at Bat.

When you hold Runs Score, Doubles, Triples, and Home Runs constant, as Strike Outs increase by 1, your Batting Average will decrease by .285/Times at Bat.

Answers

It’s b because you just yeah it’s b

Solve (x + 3)2 - 5 = 0 using the quadratic formula.
A) x= 3 + 15 , x= 3 - 15
OB) x= 3
C) x= -3
ODx= -3 + 15x= -3 - 15

Answers

Answer:

x=−3±√5

Decimal Form:

x=−0.76393202…,−5.23606797

So D would be your answer

Step-by-step explanation:

TEST QUESTION: Jane is making bows for the holidays. One bow requires 23 yard of ribbon. Jane has 13 yards of ribbon. What is the GREATEST number of projects Jane can complete with this ribbon? ​

Answers

Answer:

this makes no sense she can make any bows

1/3(9x +45) - x = 6x +4

Answers

1/3(9x+45)-x=6x+4

we can move the numbers on the right and the x's on the left

9x/3+45/3-x=6x+4

3x-x-6x=4-15

-4x=-11

x=11/4

Answer:

x = 11/4

Step-by-step explanation:

thats the answer...........................

Which two recipes have equivalent ratios of cups of flour needed to the number of cookies?

recipes cups of flour needed number of cookies
sugar 3 33
oatmeal raisin 4 40
chocolate chip 3 32
Macadamia Nut 2 22
Question 7 options:

Macadamia Nut & Oatmeal Raisin


Sugar & Oatmeal Raisin


Chocolate Chip & Sugar


Sugar & Macadamia Nut


Oatmeal Raisin & Chocolate Chip

Answers

Answer:

poop

Step-by-step explanation:

Desmond bought 7 1/2 pints of ice cream for his party. He is going to serve each guest 3/4 pint

Answers

Answer:

10 guests

Step-by-step explanation:

Step one:

Desmond bought 7 1/2 pints of ice cream

each guest gets a 3/4 pint

Required

The number of guests that Desmond can serve

Step two:

let us convert  7 1/2 to a simple fraction

= 15/2

The number of guests to be served is

=15/2/3/4

multiply the numerator by the inverse of the denominator

=15/2*4/3

=60/6

=10 guests

Diana got 0.85 of the questions correct on her assessment. What fraction
represents the amount of questions she got incorrect?

Answers

Answer:

85100

Step-by-step explanation:

the decimal 0.85 can be converted to the fraction 85100 , by defintion of a decmial.

A 3-pound box of grapes costs $12.00. What is the price per ounce?

Answers

Answer:

$2.64

Step-by-step explanation:

I hoped I could help you!!

$2.64
hopefully this was a help!!

0 Help please!
If you know geometry please help!

Answers

Answer:

D

Step-by-step explanation:

It's an Icoseles triangle do the two bottom angles are equal. 50+ 50 = 100. All triangle angles add up to 180 so 180 - 100 = 80

Answer:

Option D - 80

Step-by-step explanation:

The triangle is an isosceles triangle, which means that two angles and sides are the same. That means that other side is also 50°. All the angles in a triangle add up to 180°. Since we know two of the angles, we should know what the angle x is. We can write it as 50 °+ 50° + x = 180°. You can add 50° and 50° to get 100°. Now you have 100° + x = 180°. Subtract 100° from both sides to get x = 80°.

Hope this helps! :)

HELPPPP PLEASSSSEEEiffgxhxgxgkxgjxgxutx

Answers

(1,-3) i think it’s correct

What is the answer for this plz??? I will mark brainliest!!!

Answers

Answer: 59 1/2

Step-by-step explanation:

Answer:

The new elevation is -92 [tex]\frac{1}{8}[/tex] ft.

Step-by-step explanation:

-75 [tex]\frac{3}{4}[/tex] = -75[tex]\frac{6}{8}[/tex]

-75 [tex]\frac{6}{8}[/tex] + -16 [tex]\frac{3}{8}[/tex] = -91 [tex]\frac{9}{8}[/tex] = 92 [tex]\frac{1}{8}[/tex]

Tina is taking picture of her friends. if she sets a tripod level on the ground, will the bottom of each of the legs of tripod be coplanar

Answers

Answer:

Yes

Step-by-step explanation:

The drama club is selling tickets for a play. The profit, y, is
modeled by the equation, y = x2 – 40x – 3,200, where x is
the number of tickets sold. What is the total number of
tickets, x, that need to be sold for the drama club to break
even (profit = $0)?

Answers

Answer:

80 tickets

Step-by-step explanation:

Given the profit, y, modeled by the equation, y = x^2 – 40x – 3,200, where x is the number of tickets sold, we are to find the total number of  tickets, x, that need to be sold for the drama club to break  even. To do that we will simply substitute y = 0 into the given the equation and calculate the value of x;

y = x^2 – 40x – 3,200,

0 = x^2 – 40x – 3,200,

x^2 – 40x – 3,200 = 0

x^2 – 80x  + 40x – 3,200 = 0

x(x-80)+40(x-80) = 0

(x+40)(x-80) = 0

x = -40 and x = 80

x cannot be negative

Hence the total number of  tickets, x, that need to be sold for the drama club to break  even is 80 tickets

It costs $6 to buy 3 bags of chips. How much do 24 bags of chips cost?

Answers

Answer:

$48

Step-by-step explanation:

24/3 = 8

8 x 6 = $48

Answer:

48

Step-by-step explanation:

because butterfly method 6 time 24 =144 and didved 144 by 3 which gives you 48

A 6 pack of batteries cost $7.80. How much is 1 battery?​

Answers

Answer:

$1.30

Step-by-step explanation:

divide the cost by 6 and you get 1.3 so 1 battery=1.30

Answer:

Each battery would cost 1.30

Step-by-step explanation:

7.80 divided by 6 equals 1.3

Another way to find the answer would be

1.3x6

or

1.3+1.3+1.3+1.3+1.3+1.3

find the slope of the line please help

Answers

Answer:

2/5 I think I'm not sure tho :/

Answer:

Slope is -1/2 this is the answer 1 down and 2 across.

Step-by-step explanation:

Can I have brainiest

nature of roots of 4x²-4x-19=0​

Answers

Answer:

The roots are real.

Step-by-step explanation:

Given quadratic equation to us is 4x² -4x -19 = 0.

With respect to Standard form ax² +bx +c = 0 , Discriminant of the quadratic equation is given by b² - 4ac . Here's a table for Nature of Roots .

[tex]\boxed{\begin{array}{|r|r|r|} \underline{\red{\bf S.no.}} & \underline{\red{\bf Condition }} & \underline{\red{\bf Nature \ of \ Roots }} \\\\ \sf 1 & \sf Discriminant > 0 & \sf Real \:Roots \\\\ \sf 2 &\sf Discriminant = 0 &\sf Equal \:Roots \\\\ \sf 3 & \sf Discriminant < 0 &\sf Complex \: Roots \end{array} }[/tex]

Hence here , wrt Standard form ,

• a = 4 , • b = -4 & •c = -19 .

[tex]\implies Discriminant = b^2-4ac \\\\\implies Discriminant = (-4)^2-4(4)(-19) \\\\\implies Discriminant = 16+304 \\\\\boxed{\red{\bf \implies Discriminant = 320 }}[/tex]

Hence since Discriminant is Greater than 0 , hence the nature of roots of the quadratic equation is real.

A truck travels from a factory to a gas station in 2 minutes. It stops at the gas station for 5 minutes. The truck then returns to the factory in 3 minutes, which graph best rep
distance, y, in miles, of the truck from the factory after a certain amount of time, x, in minutes? (5 points)
Factory
Trucks
Die
SAVE & EXIT
SUBMIT ALL ANSWERS
08:27

Answers

Answer:

y is the question -distance, y, in miles, of the truck from the factory after a certain amount of time, x, in minutes?-  witch is what we are figuring out

Step-by-step explanation:

Please help! :DD CORRECT ANSWERS ONLY!

Answers

The answer is B
Merry Christmas


If 3 quarts of paint are needed for 50 ft of fence, how many quarts are needed for 300 ft of fence?
at

Answers

Answer:

18

Step-by-step explanation:

First, you would do a proportion

[tex]\frac{3}{50}[/tex]=[tex]\frac{x}{300}[/tex]

Then you would cross multiply, getting 50x=900.

After that, you would do 900/50, which is 18.

To paint 300 feet of fence we need 18 quarts of paint.

What is a unitary method?

A unitary method is a mathematical way of obtaining the value of a single unit and then deriving any no. of given units by multiplying it with the single unit.

Given, 3 quarts of paint are needed for 50ft of fence.

∴ To paint 1 foot of fence (3/50) quarts of paint are needed.

∴ To paint 300 feet of fence (3/50)×300 = 18 quarts of paint needed.

learn more about the unitary method here :

https://brainly.com/question/28276953

#SPJ2

Which of the following is true? (1 point)

Question 19 options:

1)

|–8| < 6

2)

|–6| < |–8|

3)

|8| < |–6|

4)

|–6| < –8
PLS GOD HELP ME

Answers

2 is true since the absolute value of -6 is 6 and the absolute value of -8 is 8. The absolute value of a number will always be the number itself but positive. Also 6 is less than five which make this true.

What is the value of the expression 20/4 - (1/2 + 3 3/4)

Answers

Answer:

3/4

You need the LCD which is 4

3 + 1x2/2x2 + 3/4

3 + 2/4 + 3/4

3 + 2+3/4

3+5/4

3 + 1 1/4

20/4 - 4 1/4

20/4 - 4x4+1/4

20/4 - 17/4

5 - 17/4

5x4/4 - 17/4

20/4 - 17/4

3/4

How do solve this problem?
find an equation of a line parallel to the given line and contains the given point. Write the equation in slope–intercept form. line 2x + 5y= -10 point (10, 4)

Answers

Answer:

y=-2/5x+8

Step-by-step explanation:

Step 1: Begin by changing the equation into slope-intercept form. Subtract 2x to both sides to get 5y=-10-2x. Divide 5 to both sides to isolate the variable, y. You should get y=-2/5x-2.

Step 2: Because we are looking for a line parallel to the given line, the slope should be the same, but the y-intercept should be different. Remove -2 to replace it with b, so it's unknown. The equation should be y=-2/5x+b. Plug in the ordered pair, (10, 4), into the equation to get 4=-2/5(10)+b. Multiply -2/5 and 10 to get -4. Add -4 to both sides and b=8. Plug in 8 and your final equation should be y=-2/5x+8.

Simplify 18 - 6x + 5x - 11

Answers

Answer:

7-x

Step-by-step explanation:

18-11=7

-6x+5x=-x

therefore, the answer is 7-x

The solution of the expression is,

⇒ - x + 7

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

The expression is,

⇒ 18 - 6x + 5x - 11

Now, We can solve the expression as;

⇒ 18 - 6x + 5x - 11

Rearrange as;

⇒ - 6x + 5x + 18 - 11

Combine like term as;

⇒ - x + 7

Thus, The solution of the expression is,

⇒ - x + 7

Learn more about the mathematical expression visit:

brainly.com/question/1859113

#SPJ2

Alexa bought 25 pounds of turkey for $26.25. What is the cost per
pound?

Answers

Answer:

$1.05 Per Pound

Step-by-step explanation:

Answer: $1.05/pound

Step-by-step explanation:

$26.25 / 25 = $1.05

Help asap i will do brainlist and everything

Answers

Answer:

the picture isnt showing

What is the answer to -7(-6)

Answers

Answer:

42

Step-by-step explanation:

Hope this helps and have a great day! :)

Answer: -7(-6) is 42

hope this helps :)

Step-by-step explanation:

when You multiply two negative numbers, the answer is positive.

What is the volume of the following rectangular prism pls help me I’m being timed

Answers

Answer:

ummmmm I guess I could add the dimensions in the text.

Step-by-step explanation:

The picture is a black screen.

Other Questions
Heey may someone plz help me with these two questions thx!!! alice started at the origin and moved to the left and then down to plot a point. which quadrant and which possible point did alice plot at? What is the equation of the line that passes through the point (2,0) and has a slope of 5/2 should i put this in my writings What effect does the use of a literary device have on the meaning of thispassage?In an email, Brenda told me she's the best golfer, rower, speller, andrunner in the county. She's probably a good storyteller too.A. It uses a comparison to demonstrate that the author is a betterathlete.B. It humorously conveys the author's negative opinion of Brenda.C. It adds completeness by bringing up an activity that Brenda didn'tmention.D. It provides a list of all of the activities that Brenda excels at. How to cross multiply for sin You have 2 nickels, 11 dimes and 5 quarters in your pocket. What is the ratio of nickels to quarters? Use Figure 5-5 to determine the types of radiation described in problem 5 How many moles of Mg(OH)2 will react with 2.5 mol HCI? Who is a sessions judge The ten countries with the lowest development in the world, with regard to income, standard of living, and life expectancy,are all found in which geographic region?A Asia B. AfricaC. EuropeD. the Middle EastPlease select the best answer from the choices provided Which detail uses sensory words to describe Akela? Father Wolf waited till his cubs could run a little, and then on the night of the Pack Meeting took them and Mowgli and Mother Wolf to the Council Rock a hilltop covered with stones and boulders where a hundred wolves could hide. Akela, the great gray Lone Wolf, who led all the Pack by strength and cunning, lay out at full length on his rock, and below him sat forty or more wolves of every size and colour, from badger-coloured veterans who could handle a buck alone, to young black three-year-olds who thought they could. The Lone Wolf had led them for a year now. He had fallen twice into a wolf-trap in his youth, and once he had been beaten and left for dead; so he knew the manners and customs of men. Which detail uses sensory words to describe Akela? a hilltop covered with stones and boulders who led all the Pack by strength and cunning lay out at full length on his rock from badger-coloured veterans chess club with 30 members is electing a new president. Yolanda received 27 votes. What percentage of the club members voted for Yolanda? i need a very smart person to help me solve this What are your thoughts regarding privacy rights and national security. Do you agree that it is necessary to give up some of your privacy rights for national security? Why or why not? But the threat of terrorists, operating within the United States, who converted civilian aircraft into missiles, and who may have access to radioactive, chemical, and biological weapons capable of causing unimaginable destruction, has prompted a reexamination of Franklin's warning. Science? Study island PRIMERO DE SECUNDARIASegn el programa APRENDO EN CASA de hoy, en qu parte de la estructura de una crnica debera ir la reflexin generada por el autor?A) TtuloB) IntroduccinC) DesarrolloD) Conclusinaydenme por favor es de aprendo en casa de hoy viernes es para hoy lo necesito urgente por fis.. Ella's father paid her $9.15 for helping him rake leaves, clean flower beds, and haul trash. If she received an equal amount for each job, how much did he pay her for raking the leaves? At the farmer's market,eight peaches (x) plusthree cantaloupe (y) cost$63. Two peaches plusthree cantaloupe cost $27.How much does each fruitcosto What is the solution to m/-7