A random sample of 49 people are selected from a population and it is found that 12 people in the sample are over six feet tall. what is the best point estimate of the proportion of people in the population who are over 6 feet tall? write your answer as a decimal using the appropriate rounding rule.

Answers

Answer 1

If a random sample of 49 people is selected from a population and it is found that 12 people in the sample are over six feet tall, then the best point estimate of the proportion of people in the population who are over six feet tall is 0.24

The point estimate is a term used in mathematics to calculate a single value as an approximate of a parameter of a population.

Point estimate can be given the formula:

point estimate = Number of successes / Total number of samples

In this case, the total number of samples = 49

number of people over six feet tall (successes) = 12

Therefore,

proportion of people over six feet tall = 12 / 49

proportion of people over six feet tall = 0.2448

Decimal can be rounded to two decimal places, if the third digit is less than 5, round the second digit down. On the other hand, if the third digit is more than 5, round the second digit up.

Therefore,

proportion of people over six feet tall = 0.2448 = 0.24

Thus the point estimate of the proportion of people in the population who are over 6 feet tall is calculated to be 0.24

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Related Questions

What are two ways to generate fractions equivalent to a given​ fraction? Choose the correct answer below.
Question content area bottom
Part 1
A.
Multiply the numerator by a nonzero number or divide the denominator by a nonzero number.
B.
Multiply or divide the numerator and denominator by the same nonzero number.
C.
Add to or subtract from the numerator a nonzero​ number, but keep the denominator the same.
D.
Add to or subtract from the numerator and​ denominator, the same nonzero number.

Answers

The two ways to generate fractions equivalent to a given fraction include:

A Multiply the numerator by a nonzero number or divide the denominator by a nonzero number.

B..Multiply or divide the numerator and denominator by the same nonzero number.

How to illustrate the fraction?

It should be noted that equivalent fractions simply means the fractions that are the same when reduced to their lowest terms.

It should be noted that multiplying the numerator by a nonzero number or divide the denominator by a nonzero number as.also.doung the same for the numerator and denominator by the same nonzero number will given an equivalent fraction.

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Solve the formula for the variable c
b(c — d) = y

Answers

Answer:

c = (y + bd) / b

Step-by-step explanation:

Use the distributive property to open the parentheses.

b(c - d) = y

bc - bd = y

Move the bd to the other side

bc = y + bd

Move the b to the other side

c = (y + bd) / b

Hope this helped! Have a great day!


Simplify each expression.
ln e³

Answers

ln e³ = 3, by definition and properties of logarithm.

What is Logarithm?The opposite of exponentiation is the logarithm.This indicates that the exponent to which a fixed number, base b, must be raised in order to obtain a specific number x, is represented by the logarithm of that number.A number's natural logarithm is its logarithm to the base of the transcendental and irrational number e, which is roughly equivalent to 2.718281828459.

Now,

As seen by the definition of logarithms, [tex]log_b(a)=x[/tex]

In case of natural logarithm, b = e, i.e., [tex]log_e(a)[/tex] = ln (a) = x

In the question, ln (e)³, a = e

By property of logarithms, [tex]log_b(a^m) = m(log_b(a))[/tex] ,

=> 3 (ln (e)) = 3 [tex]log_e(e)[/tex]

Since, [tex]log_e(e)[/tex] = 1, ln (e)³ = 3 (1) = 3.

Hence, ln e³ = 3, by definition and properties of logarithm.

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Triangle JKL is formed by connecting
the midpoints of the side of triangle
GHI. The lengths of the sides of triangle
JKL are shown. What is the length of
HI? Figures not necessarily drawn to
scale.

Answers

Based on the triangle midsegment theorem, the length of HI is: 8 units.

What is the Midsegment of a Triangle?

Every triangle has three midsegments. A midsegment of a triangle can be described as the segment that intersects two sides of a triangle at their midpoint.

For example, in the diagram given, the midsegments in triangle GHI are segments JL, KL, and JK.

What is the Triangle Midsegment Theorem?

According to the triangle midsegment theorem:

JL = 1/2(HI)

KL = 1/2(HG)

JK = 1/2(GI)

Given that, JL = 4 units, applying the triangle midsegment theorem, we would have:

JL = 1/2(HI)

4 = 1/2(HI)

Multiply both sides by 2

2(4) = 1/2(HI)(2) [multiplication property]

8 = HI

HI = 8 units

In conclusion, based on the triangle midsegment theorem, the length of HI is: 8 units.

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Find each real root. 4√1/160,000

Answers

The value of real root 4√1/160,000 is 1.5625e-6.

By considering the given value

4√1/160,000

=(6.25e-6)^1/4

=1.5625e-6

The values of x where the function's graph actually crosses the x-axis are known as real roots. Any roots without a I term are real roots. Imaginary roots are x-values that set the function to zero but do not actually cause the graph to cross the x-axis.

If there are no stationary points on the curve, then f has a single real root. If stationary points are found, you could demonstrate using the geometry of the curve that the curve can only intersect the x axis once due to the configuration of the stationary points.

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(6) In a triangle ABC ,AB = (x +1) cm, AC = x cm and angle BAC =30°. If the area of triangle ABC=18 cm². Draw the figure and find the value of x.​

Answers

Answer:   x = 8

The diagram is shown below.

==================================================

Explanation:

Use the SAS triangle area formula to get the following equation.

area = 0.5*side1*side2*sin( angle between those sides)

area = 0.5*AB*AC*sin( angle BAC )

area = 0.5*(x+1)*x*sin(30)

area = 0.5x(x+1)*0.5

area = 0.25x^2+0.25x

Set this equal to the stated area of 18 square cm and solve for x.

0.25x^2+0.25x = 18

4*(0.25x^2+0.25x) = 4*18

x^2+x = 72

x^2+x-72 = 0

(x-8)(x+9) = 0

x-8 = 0 or x+9 = 0

x = 8 or x = -9

Ignore the negative value since we cannot have a negative side length.

The only possible outcome is that x = 8 which leads to x+1 = 8+1 = 9.

The diagram is below.

can anyone tell me what goes with what?

Answers

CONVERSE = 2

INVERSE= 1

CONTAPOSITIVE=3


AB has endpoints A (4, 6) and B (2, -14). What are the coordinates of midpoint M?

Answers

The coordinates of midpoint M is (3,-4)

It is given that AB is a line segment whose end points A ( 4,6) and B (2.-14) and M is the midpoint

We need to find out the coordinates of midpoint  M which can be found out using the mid point formula  which is (x1 + x2/2 , y1 +y2/2)

the x coordinate of the midpoint M of line segment AB = 4 + 2/2

                                                                                               = 6/2

                                                                                                = 3

the y coordinate of the midpoint M of line segment AB = 6+ (-14) /2

                                                                                               = -8/2

                                                                                               = -4

Hence the coordinates of the midpoint M of line segment AB is (3,-4)

In geometry, the midpoint is the center point of a line section. it's far equidistant from each endpoints, and it's far the centroid each of the segment and of the endpoints. It bisects the section.

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5. Complete each geometric sequence with the missing terms. Then find the growth
factor for each.
a. __,5, 25, __625
-1,__,-36, 216,__
c. 10, 5, __, __0.625
d.__ ,__,36,-108,__
e.__,12,18,27,__

Answers

The complete terms and growth factors are as follows

1, 5, 25, 125, 625 growth factor is 5-1, 6, -36, 216, -1296 growth factor is -610, 5, 2.5, 1.25, 0.625 growth factor is 0.56, -18, 36,-108, 324 growth factor is -38, 12, 18, 27, 40.5 growth factor is 1.5

Given data

a. __,5, 25, __625

-1,__,-36, 216,__

c. 10, 5, __, __0.625

d.__ ,__,36,-108,__

e.__,12,18,27,__

How to find the missing terms and growth factor

The terms of a geometric sequence is gotten by

a * r = T2

a is the first term

r is the growth factor

T2 is the second term

a. __,5, 25, __625

5 * r = 52

r = 5

growth factor is 5

the complete terms include

1, 5, 25, 125, 625

b. -1,__,-36, 216,__

-36 * r = 216

r = 216 / -36 = -6

r = -6

growth factor is -6

the complete terms include

-1, 6, -36, 216, -1296

c. 10, 5, __, __0.625

10 * r = 5

r = 5 / 10 = 0.5

r = 0.5

growth factor is 0.5

the complete terms include

10, 5, 2.5, 1.25, 0.625

d.__ ,__,36,-108,__

36 * r = -108

r = -108 / 36 = -3

r = -3

growth factor is -3

the complete terms include

6, -18, 36,-108, 324

e.__,12,18,27,__

12 * r = 18

r = 18 / 12 = 1.5

r = 1.5

growth factor is 1.5

the complete terms include

8, 12, 18, 27, 40.5

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John's annual gross income is
$87,600, but FICA is deducted
from his paycheck, and 23% of
his salary is withheld for income
taxes (federal, state, and local
combined), as well. If his
employer pays 60% of the cost of
a $2500-per-year health
insurance plan, and if health
insurance is John's only optional
deduction, what is his monthly
take-home pay?

Answers

Based on the annual gross income to John, the FICA amount that is deducted and the salary withheld for 23%, John's monthly take-home pay is $5,537.67

How to find John's take-home pay?

First, find the cost of the per-year health insurance plan that John pays:

= (1 - 60%) x 2,500

= 40% x 2,500

= $1,000

The annual take home pay is:
= 87,600 - 1,000 - (87,600 * 23%)

= 87,600 - 1,000 - 20,148

= $66,452

The monthly take-home pay is:

= 66,452 / 12

= $5,537.67

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A bookseller bought 20 pencils at Rs 4.50 each and sold them at Rs 5.75 each. What i total profit? ​

Answers

Answer:    Rs  25

Explanation:

Each pencil has a profit of Rs 1.25 since [tex]\text{revenue} - \text{cost} = 5.75 - 4.50 = 1.25[/tex]

Multiply that result with 20 to get the final answer shown above in bold.

After making several scale drawings,Joseph decides on the best placement for a new grill on his desks.He uses a scale of 2 cm for every 5 in. what is the actual area of the space for Joseph's new grill in square inches?

Answers

The actual area of the space for Joseph's new grill in square inches is 1280cm².

How to calculate the value?

It should be noted that Joseph uses a scale of 2 cm for every 5 inches.

It should be noted that the drawing is 80inches by 100 inches.. Therefore, the original shape will be:

= 80 × 2/5 = 32

= 100 × 2/5 = 40

Therefore, the area will be:

= Length × Width

= 32 × 40

= 1280cm².

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Jospwh has a drawing of 80 inches by 10 inches. After making several scale drawings,Joseph decides on the best placement for a new grill on his desks.He uses a scale of 2 cm for every 5 in. what is the actual area of the space for Joseph's new grill in square inches?

A scale model of a bus is 12 inches long. The scale is 1:21. How many inches long is
the bus it represents?

Answers

According to the scale model, the bus has a real length of 252 inches (21 feet).

How to use scales to estimate the real length of a bus

Scales are ratio between two lengths, scales are an useful resource to represent systems in affordable dimensions (i.e. The Empire State Building in a piece of paper). In this case, scales are defined by the following formula:

r = l' / l

Where:

r - Scale factorl' - Reduced length, in inches.l - Real length, in inches.

If we know that r = 1 / 21 and l' = 12 in, then the real length of the bus is:

l = l' / r

l = 12 in / (1 / 21)

l = 252 in

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6. Shape A is a scaled copy of Shape B. What
is the scale factor from Shape B to Shape A?

Answers

The scale factor from shape B to shape A is 4.

Step 1: To determine the scale factor, we need to know the dimensions of the shape before scaling and its dimensions after scaling. From the given diagram, figure A has a base length of 36 units and another base of length  28 units. Figure B has a base length of 9 units and another base length is 7 units.

Step 2: To find the scale factor, we divide a particular dimension from figure B with the same dimension in figure A.

The base length of figure B /the base length of figure A = 36 / 9 = 4

Similarly, the length of another base of figure B / another base of figure A = 28 / 7 = 4

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Which table represents y as a function of x? HELP PLEASEEEE

Answers

the one on the top right is a function.

explanation:

to be a function, each input can have one output. on all the other functions, a number is repeated in the x column which has different a y output. for example, the first one has all inputs of 22.5, but they all have different outputs, meaning it can’t be a function. the table on the top right is the only one that doesn’t have repeated inputs with different outputs.

*just for future reference, different inputs can have the same output. it’s just that the same inputs can’t have different outputs

hope this helped! :)

someone, please help me

Answers

This is the answer: 4/3a

The system of equations below represents the perimeter and length of a rectangular figure, where x represents the width (in meters) of the figure, and y represents the length (in meters). y = 4x + 3 2x + 2y =351 Solve the system of equations, and then find the dimensions.

Answers

The dimensions of the rectangular figure is width of 34.5 meters and length of 141 meters.

What is an equation?

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

Let x represents the width (in meters) of the figure, and y represents the length (in meters). Hence:

y = 4x + 3

4x - y = -3    (1)

Also:

2x + 2y = 351    (2)

From both equations:

x = 34.5, y = 141

The dimensions of the rectangular figure is width of 34.5 meters and length of 141 meters.

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Solve each equation. Check your answers.
ln x-1/2=4

Answers

After solving the equation ln x-1/2=4, the value of x is equal to  [tex]e^{4.5}[/tex]

How to solve an equation?

To solve linear equations, utilize the steps that are provided below.

Remove parentheses from each side of the equation and combine similar terms to make it simpler.To separate the variable term on one side of the equation, use addition or subtraction.To find the variable, use division or multiplication.The common denominator can be multiplied by each side of the equation to eliminate fractions.

Lets take an example of solve z for 7z – (3z – 4) = 12

Here is no multiplication or division, so this will be easy to solve

⇒ 7z – (3z – 4) = 12

⇒ 7z – 3z + 4 = 12

⇒ 4z = 12 – 4

⇒ 4z = 8

⇒ z = 8/4

⇒ z = 2

See, that was so simple, using the mentioned methods, every linear equation can be solved easily.

We have been asked to find x in ln x-1/2=4

⇒ ln x-1/2=4

⇒ ln x = 4 + 1/2

⇒ ln x = 4.5

⇒ x = [tex]e^{4.5}[/tex]

Thus x = [tex]e^{4.5}[/tex], in the equation ln x-1/2=4

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TENSIONS BETWEEN ENGLAND AND THE AMERICAN COLONIES WOULD RISE DUE TO THE HUGE COST OF WHICH WAR?

A. French and Indian War B. the War of the Roses C. the Mexican War​

Answers

Answer:

I'm pretty sure the answer is A

Step-by-step explanation:

Hope this helps:).......if not then sorry for wasting your time and may God bless you<3

A. French and Indian War.

What is the image of the point
(
3
,
2
)
(3,2) after a rotation of
9
0

90

counterclockwise about the origin?

Answers

Answer:

(-2, 3)

Step-by-step explanation:

When rotating the preimage 90° counterclockwise about the origin (x, y) becomes (-y, x).

x=3 and y=2

So (3, 2) becomes (-2, 3)

The image of the point (-2,3) after a rotation of 90° counterclockwise about the origin will be (3, 2).

What is a transformation of a point?

A spatial transformation is each mapping of feature space to itself and it maintains some spatial correlation between figures.

The point (-2, 3) is in the second quadrant. After a rotation of 90° counterclockwise about the origin, the point will be in the first quadrant.

After the rotation, the coordinate of the points will get swapped and in the first quadrant, the value of the coordinate will be positive.

The image of the point (-2,3) after a rotation of 90° counterclockwise about the origin will be (3, 2).

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PLEASE ANSWER Lorie ordered a shed to hold her gardening supplies. The shed had a length of 20.25 ft, a width of 12 ft, and a height of three and one-fifth ft.


Determine the volume, V, using the formula V = lwh.


827.6 cubic ft

777.6 cubic ft

77.76 cubic ft

35.45 cubic ft
hurry!

Answers

The volume of the shred is 777.6 cubic feet

What are volumes?

The volume of a shape is the amount of space inside the shape.

For most regular shapes, the formula of the volume is the product of the base area and the height

How to determine the volume?

The given parameters are

Length = 20.25 ft

Width = 12 ft

Height = 3 1/5 feet

The volume of the shred is calculated using the following volume formula i.e. the volume of a cuboid or rectangular prism

Volume = Length x Width x Height

Substitute the known values in the above equation

So, we have

Volume = 20.25 x 12 x 3 1/5

Evaluate the product in the above equation

So, we have

Volume = 777.6 cubic feet

So, the required volume of the shred is 777.6 cubic feet

Hence, the volume of the shred is 777.6 cubic feet

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Find f(8)
f(x) =
7, x>3
5x − 3, x<3

Answers

Since 8>3

[tex]f(8) = 7[/tex]




a. Rotate the vector fv = (- 3 , 5) by 270⁰. What is the component form of the resulting vector?

Answers

The component form of the resultant vector is  X1 = -5 and Y1 = -3

The course of vector rotation is counterclockwise if θ is positive (e.g., 90°) and clockwise if θ is bad (e.g., 90°). Consequently, the clockwise rotation matrix is located as

Let's say we have got a factor (x1, y1). The point also defines the vector (x1, y1).

The vector (x1, y1) has a length of L.

We rotate this vector anticlockwise around the starting place by using β Degree.

The turned-around vector has coordinates (x2, y2)

The turned-around vector also has to have period L.

Theorem

x2=cosβx1−sinβy1

y2=sinβx1+cosβy1

By using the above information, we can say that X1 = -3 and Y1 = 5

So now we have the rotate the vector by 270 Degree

                   

After Rotation New coordinates are X1 = -5 and Y1 = -3

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name the figure of speech in the following sentence.

The moon was a lantern in the sky?

Answers

Answer:

figurative

Step-by-step explanation:

this is because its using something else to paint a picture as to HOW something is, for ex. HOW bright the moon is.

what is 8 divde by 528?

Answers

66

- - - - - - - - - - - - - - - - - - - - - - - -

Hello! Explanation below!

- - - - - - - - - - - - - - - - - - - - - - - -

Ideally, we should break apart the number for this problem. So, here goes nothing. :)

500 / 8 = 62.5

20 / 8 = 2.5

8 / 8 = 1

Now, add your products.

62.5 + 2.5 + 1 = 66

- - - - - - - - - - - - - - - - - - - - - - - -

Good luck!

~pinetreee

Find the coordinates of the triangle after the transformations. Translate the triangle 1 unit right and 5 units down. Then reflect the triangle in the y-axis.

Answers

The coordinates of the sequence of transformations is R' (3, -4), S' (3, -1) and T' (1, -4)

How to determine the image of the transformation?

The complete question is added as an attachment

The coordinates of the triangle are given as

R = (-4, 1)

S = (-4, 4)

T = (-2, 1)

The sequence of transformations is given as

Translate the triangle 1 unit right and 5 units down. Reflect the triangle in the y-axis.

The rules of the above sequence of transformations are

Translate the triangle 1 unit right and 5 units down: (x + 1, y - 5)Reflect the triangle in the y-axis: (-x, y)

When the above transformations are combined, we have

(x, y) = (-x - 1, y - 5)

So, we have

R' = (4 - 1, 1 - 5) = (3, -4)

S' = (4 - 1, 4 - 5) = (3, -1)

T = (2 - 1, 1 - 5) = (1, -4)

Hence, the image of the sequence of transformations is R' (3, -4), S' (3, -1) and T' (1, -4)

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Given: angle COB=3x+16 and angle AOD=5x-42
Prove: x=29​

Answers

Answer:

if your asking how to get 29 then here is how

Step-by-step explanation:

Evaluate

3x+16=5x−42

Move the variable to the left side

3x+16−5x=−42

Subtract the terms

−2x+16=−42

Move the constant to the right side

−2x=−42−16

Subtract the terms

−2x=−58

Divide both sides

2x divided by -2

-58 divided by 2

Solution

x=29

Find the volume of the given cone in terms of π.




A) 18π cubic meters
B) 10.8π cubic meters
C) 54π cubic meters
C) 162π cubic meters​

Answers

Answer:

[tex]162 \pi[/tex]

Step-by-step explanation:

Volume of a cone is
[tex]V = \dfrac{1}{3}\pi r^2h[/tex]

where r = radius, h = height

So

[tex]v = \dfrac{1}{3} \pi \times 9^2 \times 6\\\\= \dfrac{1}{3} \pi \times 81 \times 6\\\\= 162 \pi[/tex]

If log3base5=0.682 find the value of log(3/8)base5+2log(4/5)base5

Answers

Answer:

Step-by-step explanation:

ANSWER:  

about 2.085

find the estimated difference. Round to the nearst whole number 83.92 - 47.23

Answers

The nearest whole number 83.92 - 47.23=37(rounding off)

Given,

83.92 - 47.23=36.69

The whole number is 0,1,2,3...

Rounding a number refers to the act of simplifying a number such that its value remains near to what it was. The outcome of rounding off a number is less precise but more convenient to utilize. We consider the place value of digits in a number when rounding it.

Let us look at an example to better grasp the notion of rounding. Susan walked 2.05 miles, which she estimated to be around 2 miles.

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Which value of n makes the following equation true?n=4 1-(r+2)=9 (pls help, I'm not the smartest person) . A man rows a boat in still water at 6.0km/h, he wishes torow due north across a river 3.0km wide which is flowingdue east at 2.0km/h. calculatea. The direction in which he must head the boatb. The time taken to reach the other bank a baseball is moving at a speed of 2.2\,\dfrac{\text{m}}{\text{s}}2.2 s m 2, point, 2, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction when it strikes the catcher's glove. the padding of the glove is compressed by 2.4\,\text{mm}2.4mm2, point, 4, start text, m, m, end text before the ball comes to a stop. we want to find the average acceleration of the baseball while it is compressing the glove. which kinematic formula would be most useful to solve for the target unknown? assume the initial direction of travel is the positive direction. Simplify each expression. x/ / x/ What is the composition of the nucleus of 26Mg? What are the functions of the high-energy electrons in the electron transport chain?(1 point)ResponsesThey carry NADH and FADH2.They carry NADH and FADH, 2, .They hold water bonds.They hold water bonds.They create ATP synthase.They create ATP synthase.They make ATP from ADP. one of the goals of the ethical rule regarding client confidentiality is to encourage candor in those clients who would otherwise be reluctant to reveal potentially embarrassing or incriminating information to their attorney. help please 3 2/5 2 1/3 a soccer player takes a free kick from a spot that is 29 m from the goal. the ball leaves his foot at an angle of 41 , and it eventually hits the crossbar of the goal, which is 2.4 m from the ground. What's the answer to this problem ??"A stack of boxes is 6/5 meters tall. Each box is 3/10 meter tall. How many boxes are in the stack?" What is the average rate of change of 2|x| on the interval [-3, 5]. The density of ethyl alcohol is 0.79 g/mL. What is the mass of 150 mL of ethyl alcohol? What is the molarity of a solution that contains 5.00 moles of solute and 25.00 Liters of solution?Select one:a.0.20 Mb.0.89 Mc.0.25 Md.3.20 M For any function, we call x the ____ value and y is the ____ value. Blood readily moves through vessels because it contains a high volume of water. which property of water describes this ability? Where does on the job taining occur? Find the approximate length (in Earth years) of each planet's year.b. A Jovian year if Jupiter is 5.46 AU from the sun. By measuring the amount of carbon-14 in an object, a palaeontologist can determine its approximate age. The amount of carbon- 14 in an object is given by y=a e.t, where a is the amount of carbon- 14 originally in the object, and t is the age of the object in years. In 2003, a bone believed to be from a dire wolf was found at the La Brea Tar Pits. The bone contains 14 % of its original carbon-14. How old is the bone?b. What properties of logarithms and exponents can you use to solve the equation? The sum of two consecutive numbers is 85, find the numbers