Answer:
i believe your answer would be 21,765
Step-by-step explanation:
since there are 1000 grams in a kilogram the equation would be 4353÷.200
24. The average price of a new car is a function of the year it was purchased. In 1994.
the average price of a new car was $16.930. In 2002, the average price was
$19.126. Find the rate of change of the average price of a new car. Include units
in your answer.
please help me i’m struggling
The rate of change of the average price of the new car is $274.50 per year.
What is the rate of change?The rate of change of the average price of the new car is a function of the change in average price over the years and the change in the number of years.
Rate of change = change in the average price / change in the number of years
Rate of change = (price in 2002 - price in 1994) / difference in the number of years
Rate of change = (19,126 - 16,930) / (2002 - 1994)
Rate of change = 2196 / 8
Rate of change = $274.50
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90×10 4
please help me guys
if you mean 90 × 10⁴
then the answer would be, 900000.
but if you mean 9 × 10⁴ then the answer would be, 90000.
hope it helps.
Bye.
What is the multiplicative rate of change between 10,50 and 250
Answer:D
Step-by-step explanation:
Two bell P and Q ring at intervals of 3 hours and 4 hours, respectively. After how many hours will the two bells first ring simultaneously
Answer:
This problem is same as finding the least common multiple (LCM) of 3 and 4.
3 = 3
4 = 2 x 2
=> LCM = 3 x 2^2 = 12 (3 appears once, 2 appears twice)
=> After 12 hours, two bell P and Q ring simultaneously.
Hope this helps!
:)
If a driver uses of a tank of gas every day, what fraction of a tank will he use in a) 3 days? b) 1 week?
Answer:
Step-by-step explanation:
a) If a driver uses a full tank of gas every day, the fraction of a tank he will use in 3 days is 3/1, or 3/1 of a tank.
b) If a driver uses a full tank of gas every day, the fraction of a tank he will use in 1 week is 7/1, or 7/1 of a tank.
It's worth noting that tanks of gas come in different sizes, so the amount of gas consumed in a day, week, or any other period of time will depend on the size of the tank, and the consumption of the car, so this answer is based on the assumption that a full tank is used every day.
What are the points of the image of the line in Q4 after the dilation?
Note that the coordinates of the point A' after rotating 90 degrees clockwise about the point (0,1) are (3, -4). (Option B)
How is this so ?To rotate a point 90 degrees clockwise about a given point,we can follow these steps -
Translate the coordinates of the given point so that the center of rotation is at the origin. In this case,we subtract the coordinates of the center (0,1) from the coordinates of point A (5,4) to get (-5, 3).
Perform the rotation by swapping the x and y coordinates and changing the sign of the new x coordinate. In this case,we swap the x and y coordinates of (-5, 3) to get (3, -5).
Translate the coordinates back to their original position by adding the coordinates of the center (0,1) to the result from step 2. In this case, we add (0,1) to (3, -5) to get (3, -4).
Therefore, the coordinates of the point A' after rotating 90 degrees clockwise about the point (0,1) are (3, -4).
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Select Is a Function or Is not a Function to correctly classify each relation.
[(2, 2), (4, 4), (6, 6), (8, 8)] is the only function among the options.
What are functions?Functions is the relationship between sets of values. e g y=f(x), for every value of x there is its exists in a set of y. x is the independent variable while Y is the dependent variable.
Here,
(2, 2), (4, 4), (6, 6), (8, 8) = Function [relation ship is linear]
(0, 3), (3, 5), (5, 6),(8, 4) = not function [relationship cannot be justified]
(1,2), (3, 3), (4, 8), (6, 3) = not function [relationship cannot be justified]
(3, 4) (5, 2), (5, 6), 7.3) = not function [relationship cannot be justified]
Thus, (2, 2), (4, 4), (6, 6), (8, 8) is the only function among the options.
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7 x 8 x 3 =_ x 3 = _+_+_+_=
Answer:
7 x 8 x 3 = 56 x 3 = 56 + 56 +56 = 168
Step-by-step explanation:
NEED HELP ASAP!!
What is the equation of the line that is parallel to the
given line and has an x-intercept of -3?
O y = x + 3
O y = ?X + 2
Oy=-3x + 3
y=-3x+2
Answer:
B
Step-by-step explanation:
The equation of the line that is parallel to the given line and has an x-intercept of -3 is y= 2/3x + 2.
What is Slope?A line's slope is determined by how its y coordinate changes in relation to how its x coordinate changes. y and x are the net changes in the y and x coordinates, respectively. Therefore, it is possible to write the
change in y coordinate with respect to the change in x coordinate as,
m = Δy/Δx where, m is the slope
We have a graph.
So, slope of line in graph is
= (-1-1)/ (0.-3)
= -2/ (-3)
= 2/3
and, we know that two parallel line have same slope.
so, the slope of parallel line is 2/3 and the x intercept is -3.
So, the Equation line is y= 2/3 x + b
0 = 2/3 (-3) +b
b= 2
Thus, the required equation is y= 2/3x + 2.
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Solve for x.
5x + 6 > 2x – 9
Answer:
x>-5
Step-by-step explanation:
5x + 6 > 2x – 9
3x > -15
x>-5
The rate at which a quantity M of a certain radioactive substance decays is proportional to the amount of the substance present at a given time. Which of the following is a differential equation that could describe this relationship?
1. dM/dt = -3.72 t^2
2. dM/dt = -0.11M
3. dM/dt = 0.08 t^2
4. dM/dt = 1.2M
Answer:
2. dM/dt = -0.11M
Step-by-step explanation:
Differential equations for proportional amouts:
A differential equation for proportional amounts is given by:
\(\frac{dx}{dt} = ax\)
In which a is the constant rate. If the amount increases, a is positive. If it decays, b is positive.
In this question:
Decays, so a < 0.
Proportional to the amount of the substance present at a given time, which means that a multiplies the amount M.
This means that the correct answer is given by option 2.
Do the Louisiana State Flag have a line of symmetry?
Answer: No it does not
Well, first you can search up a picture of the Louisiana State Flag if you don't know what it looks like. In case you don't, it looks like this.
The Louisiana State Flag does not have a line of symmetry because the bird's head is facing in one direction. If you split the state flag in half, both sides would not be similar.
The figure is cut into 15 equal pieces. Shade 2/5 of the figure
Answer: Shade 6 pieces
Step-by-step explanation:
Because 2/5 of 15 is 6
Simplify the expression completely 3z+9+5z-4
Answer:8z+5
Step-by-step explanation: Add 3z to 5z which equals 8z and do 9-4 which equals 5 .Lastly add together.
The scores from a state standardized test have a bell-shaped distribution with a mean of 100 and a standard deviation of 15. Use the Empirical Rule to find the percentage of students with scores between 70 and 130 A 100% B 95% C 68% D 99.7%
Option (B) is correct. Thus, percentage of students with scores between 70 and 130 is 95% .
The term "standard deviation" refers to a measurement of the data's dispersion from the mean. A low standard deviation implies that the data are grouped around the mean, whereas a large standard deviation shows that the data are more dispersed. The average degree of variability in your data set is represented by the standard deviation.
It reveals the average deviation of each score from the mean. Think about the following data: 2, 1, 3, 2, 4. The average and the total square of the observations' departures from the mean will be 2.4 and 5.2, respectively. This means that √(5.2/5) = 1.01 will be the standard deviation.
Here:
μ = 100, σ = 15
Thus we have
30 μ - kσ = 70
= 100 – k(15) = 70
= k= 30/15 = 2
Also we have, μ + Ασ: = 130
100+ k(15) = 130
k = 30/15 = 2
Now, the percentage of students with scores between 70 and 130 is same as the percentage of students between μ - 2σ, μ+ 2σ and by empirical rule the area between μ (+-) 2σ is 95%. Thus, percentage of students with scores between 70 and 130 is 95%
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Learning Task 3 Answer the questions that follow. Put a check mark (/) on the space provided. Copy and answer in your math notebook. 1. The units for Volume are always ______squared _____cubed 2. Volume is the amount of space an object takes up. ___True ___False Calculate for the volume of solid. 3. Chona is selling Pringle Chips to raise money for a field trip. The container has a diameter of 9 inches and a height of 32 inches. 4. A 3-tier cake with the same height of 10 in and radius of 12 in, 8 in, 5 in respectively is to be delivered to a birthday party. How much space does this cake take up? Use 3.14 for π. 5. A Styrofoam model of a volcano is in the shape of a cone. The model has a circular base with a diameter of 48 centimeters and a height of 12 centimeters. Find the volume of foam in the model to the nearest tenth. Use 3.14 for π.
3. The volume of the Pringle Chips container is approximately 2034.72 cubic inches.
4. The cake takes up approximately 7317 cubic inches of space.
5. The volume of foam in the model of the volcano is approximately 7234.08 cubic centimeters.
1. The units for Volume are always cubed.
2. Volume is the amount of space an object takes up. True.
3. To calculate the volume of the Pringle Chips container, we need to find the volume of a cylinder. The formula for the volume of a cylinder is V = πr^2h, where π is a constant (approximately 3.14), r is the radius, and h is the height. Given that the diameter is 9 inches, the radius would be half of that, which is 4.5 inches. Substituting the values into the formula, we have:
V = 3.14 * (4.5)^2 * 32
V = 3.14 * 20.25 * 32
V ≈ 2034.72 cubic inches
4. To find the volume of the 3-tier cake, we need to find the volume of each tier separately and then add them together. Since all the tiers are cylinders, we can use the formula V = πr^2h.
Tier 1:
V1 = 3.14 * (12)^2 * 10 = 4521.6 cubic inches
Tier 2:
V2 = 3.14 * (8)^2 * 10 = 2010.4 cubic inches
Tier 3:
V3 = 3.14 * (5)^2 * 10 = 785 cubic inches
Total volume:
Total V = V1 + V2 + V3
Total V = 4521.6 + 2010.4 + 785
Total V ≈ 7317 cubic inches
5. To find the volume of the Styrofoam model of the volcano, we can use the formula for the volume of a cone, V = (1/3)πr^2h. Given that the diameter is 48 centimeters, the radius would be half of that, which is 24 centimeters. Substituting the values into the formula, we have:
V = (1/3) * 3.14 * (24)^2 * 12
V = (1/3) * 3.14 * 576 * 12
V ≈ 7234.08 cubic centimeters
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Function A and Function B are linear functions.
Function A
Function B
104
х
8
-1
3
6
y
-1
11
20
6
4.
-2
- 10
-8
-2
0
10
-2
-4
-6
-8
10V
Which statement is true?
The slope of Function A is greater than the slope of Function B.
The slope of Function A is less than the slope of Function B.
The slope of Function A is less than the slope of Function B.
What is Linear equation?A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. Sometimes, the aforementioned is referred to as a "linear equation of two variables," with y and x serving as the variables.
given two function A and B
For Function A:
General formula of Slope:
Slope = (y₂ -y₁)/(x₂ - x₁)
in our case,
at x₂ = 4 , y₂= 2
at x₁ = 0 , y₁=0
Thus,
Slope = (2-0)/(4-0)
Slope = 1/2
For Function B:
General formula of Slope:
Slope = (y₂ -y₁)/(x₂ - x₁)
in our case,
at x₂ =-1 , y₂= -1
at x₁ = 3 , y₁=11
Thus,
Slope = (11+1)/(3+1)
Slope = 12/4
Slope = 3
Therefore, The slope of Function A is less than the slope of Function B.
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Jackson hikes 220.2 meters up a mountain. If he is 60% of the way up, how tall is the mountain?
A. 132.12 meters
B. 280.2 meters
C. 367 meters
D. 13,200 meters
Answer:
367 meters
Step-by-step explanation:
(220.2÷60)x100
the tens digit of a two digit is 7. if the order of the digit is reversed the new number obtained is 45 less than the original number. what is the number?
9514 1404 393
Answer:
72
Step-by-step explanation:
The difference of 45 means the difference of digits in the number is 45/9 = 5. So, the ones digit is 7-5 = 2, and the number is 72.
__
If you want an equation, you can use x for the ones digit.
70 +x = 45 +(10x +7)
18 = 9x . . . . . . . . . . . . . subtract 52+x from both sides
2 = x
The ones digit is 2, so the number is 72.
_____
Further explanation
If you start with the two digits xy in a number and reverse them, the difference between the numbers xy and yx is ...
(10x +y) -(10y +x) = 9(x -y)
This tells you the difference between the digit-reversed numbers is 9 times the difference between the digits.
Answer:
the answer is 72
Step-by-step explanation:
:))))))
By using graphical method, find optimal solution of the problem max z = 3x + y s.t 2x - y ≤ 5 -x + 3y ≤ 6 x ≥ 0, y ≥ 0
By analyzing the graph and evaluating the objective function at each vertex of the feasible region, we can find the optimal solution, which is the vertex that maximizes the objective function z = 3x + y.
To find the optimal solution of the given problem using the graphical method, we need to plot the feasible region determined by the given constraints and then identify the point within that region that maximizes the objective function.
Let's start by graphing the constraints:
1. Plot the line 2x - y = 5. To do this, find two points on the line by setting x = 0 and solving for y, and setting y = 0 and solving for x. Connect the two points to draw the line.
2. Plot the line -x + 3y = 6 using a similar process.
3. The x-axis and y-axis represent the constraints x ≥ 0 and y ≥ 0, respectively.
Next, identify the feasible region, which is the region where all the constraints are satisfied. This region will be the intersection of the shaded regions determined by each constraint.
Finally, we need to identify the point within the feasible region that maximizes the objective function z = 3x + y. The optimal solution will be the vertex of the feasible region that gives the highest value for the objective function. This can be determined by evaluating the objective function at each vertex and comparing the values.
Note: Without a specific graph or additional information, it is not possible to provide the precise coordinates of the optimal solution in this case.
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A spherical iron ball is coated with a layer of ice of uniform thickness. If the ice melts at the rate of 8 mL/min, how fast is the outer surface area of ice changing when the outer diameter of the ball with ice on it is 24 cm?
When the outer diameter of the ball with ice on it is 24 cm then the outer surface area of ice changes at the rate of 1/90cm²/sec.
As given in the question,
Spherical ball is coated with uniform thickness.
Ice melts at the rate of 8ml/min
= (8/60)cm³/sec
Consider r as the radius of given spherical ball
Diameter = 24cm
⇒Radius 'r' =12cm
Volume 'V' = (4/3)πr³
⇒ dV /dt = (4/3)π(3r²r')
⇒-(8/60) = (4/3)π(3 ×12²×r')
⇒r' =-(8/60)×(1/576π)
⇒r' = - 1/ 4320π
Rate at which change in surface area
A =4πr²
⇒A' = 4πrr'
⇒A' = 4π (12) ( - 1/ 4320π)
= -1/90 cm²/sec.
Decrease in surface area = 1/90 cm²/sec.
Therefore, when the outer diameter of the ball with ice on it is 24 cm then the outer surface area of ice changes at the rate of 1/90cm²/sec.
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Which point is located at (Negative 0.5, 0.75)? On a coordinate plane, point B is 0.75 units to the right and 0.5 units down. Point G is 0.75 units to the right and 0.5 units up. Point M is 0.5 units to the left and 0.75 units down. Point Z is 0.5 units to the left and 0.75 units up. point B point G point M point Z hurry
Answer:
It’s b
Step-by-step explanation:
Which is point g
Answer:
Z
Step-by-step explanation:
e
3. If y varies inversely as the square of x and x = 6 when y = -18
find y when x = 8
The calculated value of y when x = 8 is 10.125
Finding the value of y when x = 8From the question, we have the following parameters that can be used in our computation:
y varies inversely as the square of x
Mathematically, this can be expressed as
y = k/x²
So, we have
k = x²y
Given that x = 6 when y = -18, we have
k = 6² * -18
So, we have
k = -648
When x = 8, we have
y = -648/8²
Evaluate
y = -10.125
Hence, the value of y is 10.125
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You model your investment account using the formula y = 20000(1.035)x where x represents the
number of years and y represents the account balance after x years. What is the growth rate of your
investment?
Answer:
Step-by-step explanation:
The growth rate of the investment is represented by the constant multiplier in the exponential term of the formula y = 20000(1.035)x. In this case, the constant multiplier is 1.035, which represents the annual growth rate of the investment account.
To calculate the growth rate as a percentage, we can subtract 1 from the constant multiplier, and then multiply the result by 100.
So, the growth rate of the investment is:
1.035 - 1 = 0.035
0.035 * 100 = 3.5%
Therefore, the growth rate of the investment is 3.5%.
Power series representation of x/(4+x)
The power series representation of f(x) is, f(x) = 1/4 - 1/16 + (1/64)*x - (1/256)*x² + ...
What is geometric progression?Geometric progression is a sequence of series whose ratio with adjacent values remains the same.
Here,
The function f(x) = x/(4+x) can be expressed as a power series using partial fraction decomposition and geometric series expansion. Here's how,
First, we can decompose f(x) as:
f(x) = x/(4+x) = x/(4(1+x/4)) = (1/4) - (1/16)/(1+x/4)
Next, we can use the formula for the geometric series:
1/(1-z) = 1 + z + z² + z³ + ...
to write the second term as a power series,
(1/16)/(1+x/4) = (1/16) * (1 - x/4 + x²/16 - x³/64 + ...)
Putting it all together, we get:
f(x) = (1/4) - (1/16)/(1+x/4)
= (1/4) - (1/16) * (1 - x/4 + x²/16 - x³/64 + ...)
= (1/4) - (1/16) + (1/64)*x - (1/256)*x²+ ...
Therefore, the power series representation of f(x) is,
f(x) = 1/4 - 1/16 + (1/64)*x - (1/256)*x² + ...
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Find the surface area of the prism.
Answer:
D
Step-by-step explanation:
Base area = (leg 1 x leg 2)/2 = (9 x 12)/2 = 54 ft^2
Base perimeter = leg 1 + leg 2 + hypotenuse = 9 + 12 + 15 = 36 ft
LA= base perimeter x 24 = 36 x 24 = 864 ft^2
SA = 2 x base area + LA = 54 x 2 + 864 = 972 ft^2
After handling raw meat the food preparer should:
After handling raw meat the food preparer should:
wash hands with soap
move on to the next task
use hand sanitizer
After handling raw meat the food preparer should: wash hands with soap.
Food safetyIt is important that after handling raw meat the food preparer should endeavor to wash his/her with soap and water and dry your hand with a clean towel.
Washing of hand with soap will help to prevent bacteria based on the fact that raw meats can contaminate the area you place your hands on which is why it is advisable to wash your hands after handling raw meat.
Therefore after handling raw meat the food preparer should: wash hands with soap.
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The perimeter of a rectangle is 14 inches. The equation that represents the perimeter of the rectangle is 2l+2w=14, where l represents the length of the rectangle and w represents the width of the rectangle. Which value is possible for the length of the rectangle?
6 inches
7 inches
8 inches
9 inches
Answer:
6 inches
Step-by-step explanation:
6 inches is the only feasible answer because if the length is 6 inches, you have 6 + 6 which equals 12. This leaves 2 more units for the perimeter so the width would be 1 unit. The other choices could not exist, because 7 x 2 is 14 (no units left for width, and the width of a rectangle cannot be 0), 8 x 2 is 16, and 9 x 2 is 18.
Which statements about the diagram are true?
A
M
w
N
S
7
K
a
Cis coplanar with plane YDU.
plane KCW and plane CHK intersect at K.
b
ud
CD and CN
CN intersect at
Nis coplanar with plane YDU.
uncle sonny believes that dilations will result in the congruence of corresponding lines m and line segments. what do you say?
Answer:
Yes, Uncle Sonny is correct.
Step-by-step explanation:
If two figures are related by a dilation, then corresponding lines or line segments in the figures will be congruent. In a dilation, the ratio of the lengths of corresponding lines or line segments remains constant, which means they will have the same length. Therefore, they are congruent.