The requried table of values for P inversely proportional to t has been shown below.
To complete the table of values for P inversely proportional to t, we need to use the formula for inverse proportion:
P = k/t
where k is the constant of proportionality. To find k, we can use any one of the given values of P and t. Let's use the first row of the table where P = 8 and t = 2:
8 = k/2
k = 16
Now we can use this value of k to find the corresponding values of P for the other values of t in the table:
t P
2 8
4 4
6 2.67
8 2
10 1.6
We can see that as t increases, P decreases, which is consistent with the behavior of inverse proportion.
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Please help me with this homework
Answer: 50°
Step-by-step explanation: Sum of all Angles in a triangle is 180°
a pollster wishes to estimate the proportion of united states voters who favor capital punishment.how large a sample is needed in order to be 98% confident that the sample proportion will notdiffer from the true proportion by more than 3%?
The sample proportion will not differ from the true proportion by more than 3% for 98% confident is equal to 1508 voters.
Use the following formula to determine the sample size needed to estimate a proportion with a given margin of error and confidence level,
n = (Z² × p × (1-p)) / E²
where,
n = sample size
Z = Z-score associated with the desired confidence level
= 98% confidence level corresponds to a Z-score of 2.33
p = the proportion we are trying to estimate
Use 0.5 as a conservative estimate the largest possible sample size.
E = the desired margin of error
= 0.03
Plugging in the values we have,
n = (2.33² × 0.5 × (1-0.5)) / 0.03²
n = 1508.02
= 1508 voters (Rounding up )
Therefore, a sample size of at least 1508 voters to be 98% confident sample proportion will not differ from true proportion by more than 3%.
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PLEASE SOMEONE I NEED THE ANSWER THIS
Step-by-step explanation:
area of triangle A
= 1/2×9×3
=13.5 units^2
area of triangle B
= 1/2×3×7
= 10.5 units^2
area of whole figure
= 13.5+10.5
= 24 units^2
a sample of single persons receiving social security payments revealed these monthly benefits: $825, $713, $1,041, $1,028, $919, and $1,008. how many observations are below the median?
Therefore, there are 2 observations below the median that is $713 and $825.
To find the median of a data set, we first need to arrange the values in order from smallest to largest. Once the values are in order, we can determine the middle value of the data set. If the data set has an odd number of values, then the median is the middle value. If the data set has an even number of values, then the median is the average of the two middle values. Once we have found the median, we can count the number of observations that are below the median by comparing each observation to the median. If the observation is less than the median, then it is considered to be below the median. First, we need to find the median of the data set. To do so, we can arrange the values in order from smallest to largest:
$713, $825, $919, $1,008, $1,028, $1,041
The median is the middle value, which is $973.
Next, we count the number of observations that are below the median, which are:
$713 and $825
Therefore, there are 2 observations below the median.
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how do you find surface area and volume of a triangular prism
The surface area of a triangular prism can be found by the formula SA = 2(Ab) + Ph. The volume can be found by V = Ab × h.
We have,
to find the volume and surface area of a triangular prism:
To calculate the surface area of a triangular prism, one must sum the areas of all its faces. This can be done by computing the area for each component of the prism and then combining them; utilizing the formulas:
SA = 2(Ab) + Ph
Where SA stands for Surface Area, Ab is the Area of the base (triangle), P representing the Perimeter of the base (triangle) and h denoting the Height of the triangular prism.
Moreover, to ascertain the volume of a triangular prism, the equation is:
V = Ab × h
in which V stands for Volume, Ab is still the Area of the triangular base and h is representing the Height of the triangle that comprises the prism.
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A line goes through the points (8,1) and (2,−9). Find its slope. Enter your answer as a simplified improper fraction, if necessary. Do not include "m=" in your answer.
Answer:
-5/3
Step-by-step explanation:
The slope of a line passing through two points (x1,y1) and (x2,y2) can be calculated using the formula:
slope = (y2 - y1) / (x2 - x1)
Using the given points (8,1) and (2,-9), we can substitute the values into the formula:
slope = (-9 - 1) / (2 - 8)
slope = -10 / -6
We can simplify this fraction by dividing both the numerator and denominator by their greatest common factor, which is 2:
slope = (-10 / 2) / (-6 / 2)
slope = -5 / 3
Therefore, the slope of the line passing through the points (8,1) and (2,-9) is -5/3.
Aubrey launches a toy rocket from a platform. The height of the rocket in feet is given by ℎ = − 16 � 2 + 64 � + 36 h=−16t 2 +64t+36 where � t represents the time in seconds after launch. What is the appropriate domain for this situation?
The domain of the height function is:
t ∈ [0, 4.5]
What is the appropiate domain of the function?We know that the height of the function is modeled by the quadratic equation:
h = -16t² + 64t + 36
The domain is the set of the possible values of t.
The initial value of the domain is at t = 0s, to find the maximum value, we need to find the value of t such that the height is zero (when the rocket hits the ground)
Then we need to solve:
-16t² + 64t + 36 = 0
Using the quadratic formula we will get:
[tex]t = \frac{-64 \pm \sqrt{64^2 - 4*(-16)*36} }{2*-16} \\\\t = \frac{-64 \pm80}{-32}[/tex]
We only care for the positive solution, which is:
t = (-64 - 80)/-32 = 4.5
Then the domain is [0, 4.5]
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Help me out with this please
We can actually see that moment of force can be defined as the effectiveness of a force to make an object rotate in its axis. It is measured in Newton meters (N-m).
A uniform beam is known as a structural element which has a uniform cross-section and material properties along its length.
What is force?Force can be defined as the influence which makes a body or an object to undergo change in position, motion or deformation. It is a vector quantity which reveals the interaction that exists between two objects.
Moment of force is seen to determine how much force is required to produce rotational motion in an object around a pivot point.
Moment of force = Force x Perpendicular distance from axis of rotation.
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7 - 2x = 13
solve for X
Answer: x = -3
negative Three
In Exercises 3-8, use the diagram of OD with LEDF & LFDG to find the indicated measure.
(Please help me with this assignment, i have been going over this since 2 hours. This is geometry.)
The required sides are solved to get
2. angle EFG = 160 degrees
4. angle EHG = 200 degrees
5. arc length of EHG = 200 degrees
6. arc length of FEG = 280 degrees
How to find angle EFGIn the problem it is given that angle EDF = angle FDG = 80 degrees.
Knowing that intercepted arc and the central angle are equal we have that
2. angle EFG = 80 degrees + 80 degrees = 160 degrees
4. angle EHG = 360 - angle EFG
= 360 - 160
= 200 degrees
5. arc length of EHG = angle EHG = 200 degrees
6. arc length of FEG
= 360 - 80
= 280 degrees
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Write an expression that represents the total owned for six months of cable at price of C dollars for each month plus one time equipment fee of $50
Answer:
6C + $50 is the correct answer
Elina wants 12m^2 of the garden to be patio and the rest will be lawn. Work out the total cost Elain will have to pay
The total cost of fencing the garden with the dimensions 20m,12m and 12m is equal to Rs. 6,600.
Side length of the garden to be fenced is equal to,
20m,12m and 12m
Cost of fencing at rupees per meter = Rs.150.
Calculate the total length of the fence.
⇒Total length of the fence = 20m + 12m + 12m
⇒ Total length of the fence = 44m
Now calculate the cost of fencing using the formula,
⇒ Cost of fencing = Total length of the fence x Cost per meter
⇒ Cost of fencing = 44m x Rs. 150/m
⇒ Cost of fencing = Rs. 6,600
Therefore, the cost of fencing the garden will be Rs.6,600 at a rate of Rs. 150 per meter.
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The given question is incomplete, I answer the question in general according to my knowledge:
Elina wants to fence the garden in front of a house on the side with the length 20m,12m and 12m. Find the cost of fencing at rupees 150 per meter.
I need help on this please hurry.
Answer:
The correct answer would be D
Given that Neil retrieved 3470 grams of soil, and the average soil density on mars is 3.93 g/cm^3, we can make the equation of 3470/3.93 to get 882.951654, or ~882.95
jose has a storage container in the shape of a right rectangular prism. the volume of the container is 39.442 cubic meters, the length is 4.1 meters, and the width is 3.7 meters. what is the height of jose's storage container?
The height of the prism shaped storage container that Jose is using is found to be 2.585 meters,
We can use the formula for the volume of a rectangular prism to find the height of Jose's storage container.
Volume of a rectangular prism = length x width x height
It is given that the volume is 39.442 cubic meters and the length and width is 4.1 meters and 3.7 meters. Putting the values and solve for the height:
39.442 = 4.1 x 3.7 x height
Simplifying this equation, we get:
39.442 = 15.27 x height
Dividing both sides by 15.27, we get:
height = 2.585 meters
Therefore, the height of storage container is 2.585 meters.
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errors that pertain to anything in the research process except sample size are known as: a. intentional field work error. b. non-sampling error. c. field error. d. sampling error.]
Errors that pertain to anything in the research process except sample size are known as option b. non-sampling error.
Non-sampling errors are errors that occur in the research process other than those related to sample size. These errors can arise at any stage of the research process, including data collection, data processing, analysis, and interpretation. Examples of non-sampling errors include errors in data entry or coding, selection bias, measurement bias, interviewer bias, and response bias. Non-sampling errors can have a significant impact on the accuracy and validity of research findings and should be carefully controlled and minimized to the extent possible.
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x-3=3-x the equation has one solution A value of x that makes the equation true is ____ which when substituted into the equation and simplified makes the equation turn into _____
Step-by-step explanation:
x - 3 = 3 - x
x = -x + 3 + 3
2x = 6
x = 3
blank1: 3
blank2: 3
a catering company uses a linear function to determine the total cost of parties. the following table shows the costs for dinner parties with varied numbers of guests. what is the cost to cater a dinner party with 90 guests?gueststotal cost30$31560$555$720$795$870$945
For a catering company, which used the linear function for calculating the total cost of parties, the cost to cater a dinner party with 90 guests is equals to the $42750.
We have a table form data of total cost of parties for a catering company. There is use of linear function to determine total cost of parties. Table look like as below,
Cost for dinner parties | number of guests
(each guest)
$315 30
$555 60
We have to determine the cost to cater a dinner party with 90 guests. For this we use simple multiplication arithmetic method. As we see in table, cost of cater a dinner party with 30 guests = $315 for each , that is cost for one guest = $315
so, cost of cater a dinner party with 30 guests = 30 × $315 = $ 9450
Similarly, when number of guests is 60 in count, cost of cater a dinner party = $555 for each one
So, total cost of cater a dinner party with 60 guests = 60× $555 = $ 33300
Now, we have total guest = 90
The cost to cater a dinner party with 90 guests
= cost to cater a dinner party with 30 guests + cost to cater a dinner party with 60 guests = $9450+ $33300
= $42750
Hence, required value is $42750.
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Convert 13 weeks to seconds
Answer:
7862400Seconds
Step-by-step explanation:
13Weeks=
7862400Seconds
Answer:7.862e+6
Step-by-step explanation:
gogled it
scott takes gets a student loan to go to college after high school.If he pays 750 interest at a rate of 3%,how much must the loan have been for originally.
Answer:
$25,000
Step-by-step explanation:
To calculate the original amount of the student loan that Scott took, we can use the formula for calculating simple interest:
Simple Interest = Principal (loan amount) x Rate x Time
Given:
Interest (I) = $750
Rate (R) = 3% or 0.03 (as a decimal)
Let's assume the time (T) for the loan is one year, as the rate is given as an annual rate.
Plugging in the values into the formula:
750 = Principal x 0.03 x 1
750 = 0.03 Principal
To solve for Principal, we can divide both sides of the equation by 0.03:
Principal = 750 / 0.03
Principal = $25,000
So, the original amount of the student loan that Scott took was $25,000.
Find the linear approximation of the function f(x)= sqrt (4-x) at a=0Use L(x) to approximate the numbers sqrt (3.9) and sqrt (3.99) Round to four decimal places
The linear approximation of f(x)= sqrt(4-x) at a=0 can be used to approximate sqrt(3.9) and sqrt(3.99) as 0.0500 and 0.0050, respectively.
The linear approximation of the function f(x)= sqrt(4-x) at a=0 is given by:
L(x) = f(a) + f'(a)(x-a)
= sqrt(4-0) + (-1/2)(x-0)
= 2 - 0.5x
To approximate the numbers sqrt(3.9) and sqrt(3.99) using L(x), we need to plug in the values of x and round the answer to four decimal places.
For sqrt(3.9), we have:
L(3.9) = 2 - 0.5(3.9)
= 0.05
Rounding to four decimal places, we get:
L(3.9) ≈ 0.0500
For sqrt(3.99), we have:
L(3.99) = 2 - 0.5(3.99)
= 0.005
Rounding to four decimal places, we get:
L(3.99) ≈ 0.0050
Therefore, the linear approximation of f(x)= sqrt(4-x) at a=0 can be used to approximate sqrt(3.9) and sqrt(3.99) as 0.0500 and 0.0050, respectively.
To find the linear approximation L(x) of the function f(x) = sqrt(4-x) at a=0, we need to calculate the value of the function and its derivative at a=0:
f(a) = f(0) = sqrt(4-0) = sqrt(4) = 2
Now, we find the derivative of f(x) with respect to x:
f'(x) = d/dx(sqrt(4-x)) = -1/(2*sqrt(4-x))
Next, evaluate f'(x) at a=0:
f'(0) = -1/(2*sqrt(4-0)) = -1/(2*2) = -1/4
The linear approximation L(x) is given by:
L(x) = f(a) + f'(a)(x-a)
L(x) = 2 - (1/4)(x-0) = 2 - (1/4)x
Now, we use L(x) to approximate sqrt(3.9) and sqrt(3.99):
L(0.1) = 2 - (1/4)(0.1) = 1.9750
L(0.01) = 2 - (1/4)(0.01) = 1.9975
So, the linear approximations of sqrt(3.9) and sqrt(3.99) are 1.9750 and 1.9975, respectively.
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Factor f(x) = x2 + 10x + 16
Answer:
To factor f(x) = x^2 + 10x + 16, we need to find two numbers whose sum is 10 and whose product is 16.
The two numbers are 2 and 8, since 2 + 8 = 10 and 2 × 8 = 16.
Therefore, we can write:
f(x) = x^2 + 10x + 16
= x^2 + 2x + 8x + 16
= (x^2 + 2x) + (8x + 16)
= x(x + 2) + 8(x + 2)
= (x + 2)(x + 8)
So the factorization of f(x) is (x + 2)(x + 8).
What would the surface area and volume of the 2 cones be when rotated around line 5. Write answer as pi
The required volume and surface area of the cone is [tex]V = \pi \int[f(x)]^2 dx[/tex] and [tex]A = 2\pi \int [f(x)] \sqrt{(1+[f'(x)]^2)} dx[/tex] respectively.
If a cone is rotated around its axis, the resulting solid is a three-dimensional object called a "rotational solid" or "solid of revolution." The surface area and volume of the solid can be calculated using specific formulas.
The surface area of a solid of revolution can be found using the formula:
[tex]A = 2\pi \int [f(x)] \sqrt{(1+[f'(x)]^2)} dx[/tex]
where f(x) is the equation of the curve being rotated and f'(x) is its derivative.
The volume of a solid of revolution can be found using the formula:
[tex]V = \pi \int[f(x)]^2 dx[/tex]
where f(x) is the equation of the curve being rotated.
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In which quadrant does (-4,2) lie ?
Answer:
In the point (4,-2) abscissa is positive and ordinate is negative. So, it lies in fourth quadrant.
Ali paints with watercolors on a sheet of paper 20 in. wide by 15 in. high. He then places this sheet on a mat so that a uniformly wide strip of the mat shows all around the picture. The perimeter of the mat is 102 in. How wide is the strip of the mat showing around the picture?
When the mat's perimeter is 102 inches, the strip that shows around the picture is 8 inches broad.
What is perimeter?The perimeter of a shape is the distance around its edge. The perimeter of a form is the length of its contour. To calculate the perimeter of a rectangle or square, sum the lengths of all four sides. The perimeter of a shape is the distance around its exterior. Perimeter is calculated by summing the lengths of all the sides of a form.
Here,
length of paper, l = 20 inch
width of paper, w = 15 inch
perimeter = 102 inch
Let x be the strip of mat,
[tex]\text{l = 20 + 2x}[/tex]
[tex]\text{w = 15 + 2x}[/tex]
[tex]\text{perimeter = 2(l + w)}[/tex]
[tex]102=2\times(20+2x+15+2x)[/tex]
[tex]51=35+2\text{x}[/tex]
[tex]2x=16[/tex]
[tex]\boxed{\bold{x=8 \ inches}}[/tex]
The strip of the mat showing around the picture is 8 inches wide when the perimeter of the mat is 102 inch.
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a father is 30 years older than his son. he will be three times as old as his son after 5 years. what is the father's present age?
Since, the father is 30 years older than his son. Then, the son's age is 10 years old. Therefore, the father's age is x+30 = 40 years old.
Let's denote the son's current age as S and the father's current age as F. From the information given, we know:
1. F = S + 30 (the father is 30 years older than his son)
2. F + 5 = 3 * (S + 5) (the father will be three times as old as his son in 5 years)
Now, we need to solve for F:
Step 1: Substitute the first equation with the second equation:
(S + 30) + 5 = 3 * (S + 5)
Step 2: Simplify the equation:
S + 35 = 3S + 15
Step 3: Move all terms with S to one side and constants to the other side:
35 - 15 = 3S - S
20 = 2S
Step 4: Divide by 2 to isolate S:
S = 10
Now that we know the son's age, we can find the father's age using the first equation:
F = S + 30
F = 10 + 30
F = 40
The father's present age is 40 years old.
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a jar is filled with red, white, and blue tokens that are equivalent except for their color. the chance of randomly selecting a red token, replacing it, then randomly selecting a white token is the same as the chance of randomly selecting a blue token. if the number of tokens of every color is a multiple of 3, what is the smallest possible total number of tokens in the jar?
The smallest possible total number of tokens in the jar is 27, with 6 red tokens, 3 white tokens, and 18 blue tokens.
Let's assume that the jar has "r" red tokens, "w" white tokens, and "b" blue tokens. Since the probability of selecting a red token and then a white token is the same as selecting a blue token, we can write the following equation
(r/3) × (w/3) = (b/3) × ((r + w)/3)
Simplifying this equation, we get
rw = b(r + w)
Now, we need to find the smallest possible total number of tokens in the jar. Since r, w, and b are all multiples of 3, we can write
r = 3x
w = 3y
b = 3z
Substituting these values in the equation rw = b(r + w), we get
9xy = 9z(x + y)
Simplifying this equation, we get
xy = z(x + y)
Since x, y, and z are all integers, we can say that z divides xy. Therefore, we can write
z = kd
xy = k(d x + d y)
where k and d are integers.
Now, we need to find the smallest possible value of (r + w + b) = 9(x + y + z) that satisfies the above conditions. Since z is a multiple of 3, we can start with k = 3. Also, we want to minimize (x + y + z), so we can start with d = 2. Substituting these values, we get
z = 3 × 2 = 6
xy = 3(2x + 2y) = 6(x + y)
The smallest possible values of x and y that satisfy this equation are x = 2 and y = 1. Substituting these values, we get
r = 3x = 6
w = 3y = 3
b = 3z = 18
Therefore, the smallest possible total number of tokens in the jar is
r + w + b = 6 + 3 + 18 = 27
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At the end of a baseball game, the players were given the choice of having a bottle of
water or a box of juice. Of all of the players, 12 chose a bottle of water, which was
3
of the total number of players. Write and solve an equation to determine p.
4
the total number of players at the baseball game.
Show your work.
DIXON T
3
Result:
The p (the total number of players at the baseball game) = 16 players:
The equation to determine p: 3/4 = 12/p
How to write an equation to determine the total number of players at the baseball game?The total number of players at the baseball game = p.
Given that, 3/4 of the players chose a bottle of water = 12p.
To write an equation to determine p, we can set up the following proportion:
3/4 = 12/p
This equation above represents the ratio of players who chose a bottle of water (3/4) to the total number of players, which is = 12 players.
To solve for p, we cross-multiply and then solve for P:
3p= 4 * 12
3p = 48
p = 48 / 3
p = 16
Therefore, = 16 (represents the total number of players at the baseball game).
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A 90% confidence interval for the mean of a population is computed to be 135 to 160. Which one of the following claims would the interval tend to refute?
A. The population mean is more than 110.
B. The population mean is less than 150.
C. The population mean is between 140 and 150.
D. The population mean is more than 140.
E. The population mean is less than than 125.
The correct option is E. The population mean is less than 125. As, 125 is does not comes in the interval of 135 to 160, the interval tends to refute the claim that the population mean is less than 125.
The 90% confidence interval for the mean of the population is computed to be 135 to 160. This means that we are 90% confident that the true population mean falls within this range.
Since 125 is not within the interval of 135 to 160, the interval tends to refute the claim that the population mean is less than 125.
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Harrison works at a factory that makes paper cups for water coolers. He calculated the outer surface area of each hollow cup as 17.9 square inches. What is the approximate slant height of the cup?
Answer:
We can use the formula for the lateral surface area of a cone to find the slant height:
Lateral surface area = πrℓ, where r is the radius and ℓ is the slant height.
Since the paper cup is hollow, the lateral surface area is equal to the outer surface area of the cup, which is given as 17.9 square inches. The radius of the cup is half the diameter, which we do not know, so let's call it d:
r = d/2
We also know that the lateral surface area is given by:
17.9 = πrℓ
Substituting r = d/2, we get:
17.9 = π(d/2)ℓ
Simplifying, we get:
ℓ = (2*17.9)/(πd)
Using an approximation of π = 3.14, we can calculate:
ℓ ≈ (2*17.9)/(3.14d) = 11.40/d
Since we do not have any information about the diameter of the paper cup, we cannot calculate the exact slant height.
What is the equation of the line that is parallel to the linear graph of y=2x-1 and passes through the point (-1,1)?
Answer:
y=2x+3 or option C is the correct answer.
Answer: C. y=2x+3
Step-by-step explanation:
Given:
y=2x-1 and new line passes through (-1,1)
Rules:
>A line is parallel to another line if the slopes are the same.
>Also, y=mx+b m=slope b=y-intercept
Solution:
y=2x-1 In the line given equation slope m=2 so slope for the new line will be the same
m=2 (-1,1) = [tex](x_{1} ,y_{1})[/tex] because you now have the slope and a point. Use point
slope form to write an equation
[tex]y-y_{1} =m(x-x_{1} )[/tex]
y-1=2(x-(-1)) > simplify
y-1=2(x+1) > distribute
y-1=2x+2 > add 1 to both sides
y=2x+3