Class 1 wiring is required to exceed standards for power and lighting wiring. Class 3 wiring is functionally similar to Class 2 wiring, but with higher voltage and power limitations.
How to explain the informationIt should be noted that a Class 2 circuit associated with the electrical equipment that is part of a residential oil furnace, for example, usually receives power from a 24-V transformer whose primary connects to a 120-V premises branch circuit.
In conclusion, a class 1 must sit in metal or non-metallic raceway or be metal-sheathed wiring as compared to jacketed cable such as type NM.
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Electricians know about Class 1, 2, and 3 wiring because these terms are spelled out in the National Electrical Code. Electronics engineers, however, tend to be in the dark about these terms. So here is a short primer on classes of wiring for the curious.
The NEC in Article 725 makes a sharp distinction between wiring for “ordinary” power and light circuits and specialized circuits where the power and/or voltage is limited. These circuits are designated Class 1, 2 and 3, not to be confused with the Class I, II and III hazardous locations – an entirely different matter. Class 1, 2 and 3 circuits are defined primarily in terms of the power supply to which they are connected. Power supplies are generally batteries, transformers or electronic power supplies. When working on an existing installation, it is a simple matter of identifying the power source and checking its marking. A Class 2 circuit associated with the electrical equipment that is part of a residential oil furnace, for example, usually receives power from a 24-V transformer whose primary connects to a 120-V premises branch circuit. The relatively high impedance of this small device ensures that its voltage and power output will be in the Class 2 range. Such a device will be marked as suitable as a Class 2 power source. Describe how the results from Class 1, Class 2, and Class 3 differ.
Allen owns 70% of Bull Corp. If the company has 721,250 shares,
3. How many shares does Allen own?
4. If he paid $21.45 per share what was his initial total investment?
5. If the shares are now worth $60.18, what are shares total value now?
6. What would be his capital gain if he sold his shares at the new value?
Answer:
3. 504,875 shares
4. $10,829,568.75
5. $30,383,377.5
Step-by-step explanation:
1. For the first one, you just need to find 70% of 721,250, which we can do several ways:
If Allen owns 70% of Bull Corp, he owns 0.7 x 721,250 = 504,875 shares.
Therefore, Allen owns 504,875 shares of Bull Corp.
you can use cross-multiplication to solve this problem as well. Here's how:
Let X be the number of shares that Allen owns.
According to the problem, Allen owns 70% of the total number of shares, which is 721,250.
So we can write:
X/721,250 = 70/100
To solve for X, we can cross-multiply:
100X = 70 * 721,250
Simplifying the right-hand side:
100X = 50,487,500
Dividing both sides by 100:
X = 504,875
Therefore, Allen owns 504,875 shares of Bull Corp, which is the same answer we got earlier.
I added a picture below.
2. If Allen paid $21.45 PER share we just multiply that by he amount of shares, which is 504,875:
If Allen owns 504,875 shares of Bull Corp, and he paid $21.45 per share, his initial total investment would be:
Total investment = Number of shares * Price per share
Total investment = 504,875 * $21.45
Total investment = $10,829,568.75
Therefore, Allen's initial total investment was $10,830,093.75.
i added a picture for this too.
3. Just replace the 21.45 with 60.18:
If the shares are now worth $60.18, the total value of Allen's shares would be:
Total value = Number of shares * Current price per share
Total value = 504,875 * $60.18
Total value = $30,383,377.5
Therefore, the total value of Allen's shares now is $30,382,078.50.
Added a picture.
f) the perpendicular distance of
the point G from the x-axis.
g) the point whose perpendicular distance from y-axis is 2 units.
From the given figure, we have the following:
The coordinates of the points B and F are (-5, -4) and (0, 6). The point identified by the coordinates (1, 1) is D.The abscissa of the points D and H are 1 and 0.The ordinates of the points A and C 1 and 0.The quadrant in which points B and I lie is quadrant III.The perpendicular distance of the point G from the x-axis is 4 units.The perpendicular distance of the point I from the y-axis is 2 units.The point whose perpendicular distance from y-axis is 2 units is point I.What is an ordered pair?In Mathematics and Geometry, an ordered pair is sometimes referred to as a coordinate and it can be defined as a pair of two (2) elements or data points that are commonly written in a fixed order within parentheses as (x, y), which represents the x-coordinate (abscissa) and the y-coordinate (ordinate) on the coordinate plane of any graph.
Based on the cartesian coordinate (grid) above, the coordinates points and quadrants should be identified as follows;
Point A ⇔ (-4, 1) → quadrant II.Point B ⇔ (-5, -4) → quadrant III.Point C ⇔ (-2, 0) → quadrant II.Point D ⇔ (1, 1) → quadrant I.Point E ⇔ (0, -6) → quadrant IV.Point F ⇔ (6, 0) → quadrant I.Point G ⇔ (6, 4) → quadrant I.Point H ⇔ (0, 4) → quadrant I.Read more on ordered pair here: brainly.com/question/25462418
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Complete Question:
From the given figure, write
a) The coordinates of the points B and F. b) The point identified by the coordinates (1,1)
c) The abscissa of the points D and H.
d) The ordinates of the points A and C.
e) The quadrant in which points B and I lie.
f) The perpendicular distance of the point G from the x-axis.
g) The perpendicular distance of the point I from the y-axis.
h) The point whose perpendicular distance from y- axis is 2 units
The world record in the long jump is 29 feet 4 inches. How many inches short of 10 yards is the record long jump?
The record long jump is 8 inches short of 10 yards.
First, we need to convert 10 yards to inches. Since 1 yard = 3 feet and 1 foot = 12 inches, we have:
10 yards = 30 feet
= 30 x 12 inches
= 360 inches
To find how many inches short of 10 yards the long jump is, we can subtract the length of the long jump from 360 inches:
360 inches - 29 feet 4 inches
= 360 inches - (29 x 12 + 4) inches
= 360 inches - 352 inches
= 8 inches
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Write the equation of a circle with a diameter endpoints of 13 and -1 and 15 and 9
The equation of a circle with diameter endpoints of (13, -1) and (15, 9) will be x² + y² - 28x - 8y + 186 = 0.
Given that:
Endpoints of diameter, (13, -1) and (15, 9)
The equation of the circle when endpoints of diameter are given is written as,
(x - x₁)(x - x₂) + (y - y₁)(y - y₂) = 0
The equation of the circle is calculated as,
(x - 13)(x - 15) + (y + 1)(y - 9) = 0
x² - 28x + 195 + y² - 8y - 9 = 0
x² + y² - 28x - 8y + 186 = 0
The equation of a circle with diameter endpoints of (13, -1) and (15, 9) will be x² + y² - 28x - 8y + 186 = 0.
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A wild horse runs at a rate of 8 miles an hour for 6 hours. Let y be the distance, in miles, the horse
travels for a given amount of time, x, in hours. This situation can be modeled by a function.
Which of these describes the domain of the function?
A. 0≤x≤6
B. 0≤y≤6
C. 0≤x≤ 48
D. 0≤ y ≤ 48
0≤x≤6 best describes the domain of the function.
The domain of a function describes the set of all possible input values.
In this case, the input variable is x, which represents the time in hours.
Since the horse runs for 6 hours, it is not possible for x to be greater than 6.
Additionally, x cannot be negative or zero, since time cannot be negative or zero.
Therefore, the domain of the function is 0 ≤ x ≤ 6.
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Find the arc
length of AB.
3 cm
P 64°
A
B
PLEASE SHOW WORK!
The measure of the arc length AB is 16π/15 centimeters.
Since,
An arc length is simply the distance between two points along a section of a curve.
We know that;
The arc length is expressed as:
s = 2πr × (θ/360°)
Where s is the arc length, r is the radius, θ is the angle and π is constant pi.
Given that:
Radius r = 3cm
Angle θ = 64 degree
Arc length s = ?
Now, Plug the values into the above formula
s = 2πr × (θ/360°)
s = 2 × π × 3cm × ( 64°/360°)
s = 16π/15 cm
Therefore, the arc length is 16π/15 cm.
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PLS HELP THIS IS DUE TODAY what is 736 x 21
Answer:
15456
Step-by-step explanation:
My work is attached to this answer
PLS HELP! TEST REVIEW AND I DONT UNDERSTAND
(a) Volume of the cylinder is 153 cm³
(b) Volume of the cone is 51 cm³
(c) Volume of the cone = 1/3 × Volume of the cylinder
Calculating the volume of a cylinder and a coneFrom the question, we are to determine the volume of the cylinder and the volume of the cone
The volume of a cylinder can be calculated by using the formula,
V = πr²h
Where V is the volume
r is the radius
and h is the height
From the given information,
A = πr² = 17 cm²
A is the area of the base
h = 9 cm
Thus,
V = 17 cm² × 9 cm
V = 153 cm³
Therefore,
Volume of the cylinder is 153 cm³
(b)
For the volume of the cone
V = 1/3 πr²h
Substitute the given parameters
V = 1/3 × 17 cm² × 9 cm
V = 17 cm² × 3 cm
V = 51 cm³
Hence,
Volume of the cone is 51 cm³
(c)
Volume of the cone = 1/3 × Volume of the cylinder
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A small liberal arts college in the Northeast has 200
freshmen. Eighty of the freshmen are education majors. Suppose fifty freshmen are randomly selected (without replacement).
Step 1 of 2 : Find the expected number of education majors in the sample. Round your answer to two decimal places, if necessary.
The expected number of education majors in the sample is 20.
Probability calculationSince 80 out of 200 freshmen are education majors, the probability of randomly selecting an education major from the population is:
P(edu major) = 80/200 = 0.4
To find the expected number of education majors in a sample of 50 freshmen, we can use the formula for the expected value of a discrete random variable:
E(X) = n x p
Substituting the given values, we get:
E(X) = 50 x 0.4 = 20
Therefore, the expected number of education majors in a sample of 50 freshmen is 20.
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Problems 17, 20 Please
The summation of the given expression is as follows:
17.) = 5
18.) = 1
19.) = 1/2
How to calculate the summation of the given expressions above?For question 17.)
The summation of 2k+3 when K= 1
= 2(1)+3
= 2+3
= 5
For question 18.)
The summation of (3/2)^k where k = 0 would be = 1
For question 19.)
The summation of 1/2^k+1 where k = 0
= 1/2^0+1
=1/2^1
=1/2
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A manufacturer makes decorative globes out of silver in the shape of a solid sphere. Suppose each sphere has a radius of 4.5 cm. If silver is priced at $5.00 per cm3", how much will the silver cost to make one solid sphere?
Use 3.14 for , and do not round your answer.
Answer:
The silver will cost $1908.5125 to make one solid sphere
Step-by-step explanation:
The formula for the volume of a sphere is:
V = (4/3)πr^3
where r is the radius of the sphere.
Substituting the given value for the radius:
V = (4/3)π(4.5 cm)^3
= (4/3)(3.14)(91.125 cm^3)
= 381.7025 cm^3
The cost of the silver can be calculated by multiplying the volume by the cost per cm^3:
Cost = 381.7025 cm^3 × $5.00/cm^3
= $1908.5125
Let F= 6(x+y)i + 8 sin(y)j,. Find the line integral of F around the perimeter of the rectangle with corners (3,0),(3,2),(-3,2),(-3,0) traversed in that order.
line integral =
The line integral of F around the perimeter of the rectangle with corners (3,0),(3,2),(-3,2),(-3,0) traversed in that order is -333.06456
How to determine the line integral of F around the perimeter?The F can be rewritten as
F(x,y) = [6(x+y) , 6sin(y)
The path C on which we are going to evaluate the integral is
Alberto sights the top of a building at an angle of elevation of 70°.
The distance between Alberto and the base of the building is 93.4ft
How far is alberto from the base of the building?We can view this as a right triangle, such that one cathetus (opposite to the known angle) measures:
40ft - 6ft = 34ft
And the known angle is 70°, we want to get the other leg of the right triangle, so we can use the tangent trigonometric relation which is:
tan(angle) = (opposite cathetus)/(adjacent cathetus)
Replacing the things that we know we get:
tan(70) = x/34ft
tan(70)*34ft = x = 93.4ft
That is the distance.
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How did concepts related to thermal energy and heat transfe guide your design process
Thermal energy and heat transfer principles guide the design of efficient systems, minimizing heat loss and maximizing performance.
It is crucial to take into account a number of aspects that may impact the functionality and efficiency of systems and objects that include thermal energy and heat transmission. You would need to take into account things like the kind and quantity of heat source, the materials utilized, the insulation, and the processes employed for heat transfer, for instance.
Additionally, you would have to think about ways to increase heat transmission effectiveness and reduce heat loss. High thermal conductivity materials may be used, or the system may be designed to have more heat-transfer surface area.
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y≥−
3
1
x+2
y≥3x
Which graph represents the system of inequalities?
Choose 1 answer:
Choose 1 answer:
Both lines will be solid lines and the intersection of the point will be at (1/3, 1).
Given that:
y ≥ −3x + 2
y ≥ 3x
The linear equation is given as,
y = mx + c
Where m is the slope of the line and c is the y-intercept of the line.
The region above the line y ≥ −3x + 2 is considered.
The region above the line y ≥ 3x is considered.
And both lines will be solid lines and the intersection of the point will be at (1/3, 1).
The graph is given below.
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The product of six and a number is 108. What is the solution to the equation 1822, 102, 648
The value of the number is 18. Option A
How to determine the valueTo determine the product of the expression, we need to consider that;
Algebraic expressions are described as those mathematical expressions that are composed of terms, their coefficients, the variables and the factors and constant values.
These expressions are also made up of mathematical operations. These operations are;
AdditionBracketParenthesesMultiplicationDivisionSubtractionFrom the information given, we have that;
The product of six and a number is 108
Let the number be x, we have;
6x = 108
Divide sides by the coefficient
x = 18
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Please help me with this question
The graph is a function, the domain is (-∝, ∝), the range is (-∝, 4] and the graph is symmetrical with the y-axis
Determine if the graph represents a functionGiven that we have the graph
As a general rule of the vertical line test
For a graph to represent a function, a line drawn from the x-axis must intersect with the graph at most once
Using the above as a guide, we have the following:
The graph would not intersect with a line from the x-axis more than once
Hence, the graph is a function
The domain and the rangeThe domain is the set of input values
In this case, we have
Domain = (-∝, ∝) i.e. all set of real values
The range is the set of output values
In this case, we have
Range = (-∝, 4]
The symmetric of the graphWhen the graph is rotated across the y-axis, the graph maintains it orientation
This means that the graph is symmetrical with the y-axis
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Select the correct answer. How many solutions for x does the following equation have? A. 4 B. 0 C. infinite D. 1
The equation 2 (p+ 7) = 4 - 8p has only one solution that is; -9.
We know that solution of an equation refers usually to the values of the variables involved in that equation that if substituted in place of that variable would give a true mathematical statement.
We need to determine the solutions does the equation 2 (p+ 7) = 4 - 8p have;
Now solving for p,
2 (p+ 7) = 4 - 8
Open the bracket,
2p+ 14 = 4 - 8
Combine the like terms,
2p = -4 - 14
2p = -18
p = -18/2 = -9
Therefore, the equation has only one solution which is -9.
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The business checking account for a pottery store had a balance of $7349.44 before checks for $1349.67 and $344.12 were written. The store manager then deposited $956.60. Find the checkbook balance
If he business checking account for a pottery store had a balance of $7349.44 before checks for $1349.67 and $344.12 were written, checkbook balance after checks and deposit are processed is $6613.25.
To find the checkbook balance, we need to add up the initial balance, subtract the amounts of the written checks, and add the deposit made by the store manager.
Starting with the initial balance of $7349.44, we subtract the amount of the first check for $1349.67, leaving a balance of $6000.77. Then we subtract the second check for $344.12, leaving a balance of $5656.65.
Finally, we add the deposit made by the store manager for $956.60, which gives us a final balance of $6613.25.
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The graph to the right is the uniform probability density function for a friend who is x minutes late. (a) Find the probability that the friend is between 10 and 30 minutes late. (b) It is 10 A.M. There is a 20% probability the friend will arrive within how many minutes? part a) what is the probability that the friend is between 10 and 30 minutes late_?
The probability that the friend is between 10 and 30 minutes late is approximately 0.6667, or 66.67%.
Since the probability density function is uniform, the probability of the friend being between 10 and 30 minutes late is equal to the area of the rectangle that lies between x = 10 and x = 30, and below the curve of the probability density function.
The height of the rectangle is equal to the maximum value of the probability density function, which is 1/30 since the interval of possible values for x is [0, 30] minutes.
The width of the rectangle is equal to the difference between the upper and lower limits of the interval, which is 30 - 10 = 20 minutes.
Therefore, the probability of the friend being between 10 and 30 minutes late is:
P(10 < x < 30) = (height of rectangle) x (width of rectangle)
= (1/30) x 20
= 2/3
≈ 0.6667
So the probability that the friend is between 10 and 30 minutes late is approximately 0.6667, or 66.67%.
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The time spent waiting in the line is approximately normally distributed. The mean waiting time is 7
minutes and the standard deviation of the waiting time is 1
minute. Find the probability that a person will wait for less than 9
minutes. Round your answer to four decimal places.
The probability that a person will wait for more than 9 minutes is approximately 0.0912 or 9.12%. This means that out of 100 people, about 9 of them will wait for more than 9 minutes in the line.
We know that,
To solve this problem, we need to use the normal distribution and standardize the variable of interest. We know that the mean waiting time is 5 minutes and the standard deviation is 3 minutes, so we can write: Z = (X - μ) / σ
where X is the waiting time, μ is the mean waiting time (5 minutes), σ is the standard deviation (3 minutes), and Z is the standardized variable.
To find the probability that a person will wait for more than 9 minutes, we need to find the area under the normal curve to the right of 9. We can do this by standardizing 9 using the formula above: Z = (9 - 5) / 3 = 1.33 .
We can use a standard normal table or a calculator to find the probability that Z is greater than 1.33. Using a calculator, we find that this probability is approximately 0.0912.
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A box has four cards numbered , , , and . Kareem will toss a coin once and record the toss as heads () or tails (). Then he will randomly pick a card from the box and record the number chosen. Give the sample space describing all possible outcomes. Then give all of the outcomes for the event that the number chosen is . Use the format to mean that the coin toss is heads and the number chosen is . If there is more than one element in the set, separate them with commas.
Answer:
The sample space describing all possible outcomes is:
{H1, H2, H3, H4, T1, T2, T3, T4}
The outcomes for the event that the coin toss is heads are:
{H1, H2, H3, H4}
Step-by-step explanation:
If it pertains to using the format H1 to mean that the coin toss is heads and the number chosen is 1.
A worker fences in a construction site using four pieces of fencing that have lengths of 20, yards 16, yards, 20 yards, and 16 yards. Name all of the possible four-sided shapes that the worker can enclose with the fencing.
The possible shapes of the fencing are a parallelogram and a rectangle.
Given that, a worker fences in a construction site using four pieces of fencing that have lengths of 20, yards 16, yards, 20 yards, and 16 yards.
We need to tell possible four-sided shapes that the worker can enclose with the fencing.
So, we can see that, the pair of sides are equal,
Which is condition in a parallelogram and a rectangle.
Hence, the possible shapes of the fencing are a parallelogram and a rectangle.
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In art class students are mixing In art class students are mixing blue and red paint to make purple paint. Bo mixes 3 cups of blue paint and 4 cups of red paint. Latanya mixes 2 cups of blue paint and 3 cups of red paint. Use Bo and Latanya’s percent of blue paint to determine whose purple paint will be bluer.blue and red paint to make purple paint. Bo mixes 3 cups of blue paint and 4 cups of red paint. Latanya mixes 2 cups of blue paint and 3 cups of red paint. Use Bo and Latanya’s percent of blue paint to determine whose purple paint will be bluer.
Based on the percentage of blue paint to red paint, Bo's purple paint will be bluer.
What is the percentage?The percentage refers to the quotient of one value (proportion of blue paints) compared to another (the sum of blue and red paints).
Percentages are ratios expressed over 100.
Blue Red Ratio (%) of Blue to Red
Bo's paints 3 4 3:4 = 43% (3/7 x 100)
Sum of ratios = 7
Latanya's paints 2 3 2:3 = 40% (2/5 x 100)
Sum of ratios = 5
Thus, based on the ratios or percentages of to red paints, Bo's purple paint will be bluer than Latanya's.
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What is the name of the transformation that maps the pre-image (red) onto the image (blue)?
translation
reflection
rotation
glide reflection
The transformation that maps the pre-image (red) onto the image (blue) is reflection
Naming the transformation of the two trianglesGiven that
the pre-image (red) and the image (blue)
From the figure, we can see that
Both triangles are mirrors of one another
As a general rule
When two shapes with the same orientation and properties mirror one another, then the transformation between the shapes is the reflection transformation
This means that the transformation of the two triangles is a reflection transformation
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You are now a competent person monitoring the IETS at your plant. Despite the frustration
of not getting the annual bonus, you know that you cannot simply use extra coagulant
because the additional turbidity might exceed the acceptable level. In that case, determine
the amount of coagulant that gives you the lowest turbidity value. In any relevant method,
use 0.1% as the stopping criterion
A feasible solution to minimizing turbidity value is through the use of an iterative technique, entailing either gradient descent method or simulated annealing method.
How to minimize turbidityThe stopping criterion for this approach would be at 0.1 percent. It involves sequentially determining water turbidity dependent on the coagulant dosages used in adjustment procedures based on preceding calculated values.
By further implementing this process until the specified percentage average is met, ease and accuracy in assessing turbidity levels are achievable.
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what are two numbers have a product of 20 and a sum of 9
Answer:
Step-by-step explanation:
two variables appear to have an exponential relationship. what pattern(s) does the scatterplot suggest for the model? select the two correct answers.
a. it is only increasing or only decreasing.
b. it has a point of inflection.
c. it is only concave up or only concave down.
d. it has one or more extrema.
e. it is both concave up and concave down.
The pattern that the scatterplot would suggest, given that they have an exponential relationship is :
a. It is only increasing or only decreasing.c. It is only concave up or only concave down.What is an exponential relationship ?A function expressed as y = ab^x or y = a × e^(kx), where a, b, and k are constants represents an exponential relationship between two variables. Exponential functions demonstrate continuous increase or decrease throughout their entire domain; they do not alter direction.
In the event that the base 'b' is greater than 1, or if 'k' is positive, the function increases its output, otherwise, it will decrease when either or both conditions apply ('b' being between zero and one, or 'k' being negative). The concavity of a function is determined by the second derivative which takes on the form of an exponential function for all exponential functions, producing unchanged concavity throughout its entire domain.
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A rectangular prism has a length of 7 cm, a width of 4 cm, and a height of 2 1/2cm.
The prism is filled with cubes that have edge lengths of 1/2 cm.
How many cubes are needed to fill the rectangular prism?
Enter your answer in the box.
To fill the rectangular prism,
cubes are needed.
There are 560 cubes with edge lengths of 1/2 cm needed to fill the rectangular prism.
The volume of a rectangular prism is found by multiplying its length by its width by its height.
So, the volume of this rectangular prism is:
Volume = length x width x height
Volume = 7 cm x 4 cm x 2 1/2 cm
Volume = 70 cm³/2
Now, we need to find out how many cubes with edge lengths of 1/2 cm can fit into this volume.
The volume of each cube with an edge length of 1/2 cm is:
Volume of cube = edge length x edge length x edge length
Volume of cube = (1/2 cm)³
Volume of cube = 1/8 cm³
To find no. of cubes are needed, we need to divide the volume of the rectangular prism by the volume of each cube:
Number of cubes = (Volume of rectangular prism) / (Volume of each cube)
Number of cubes = (70 cm³/2) / (1/8 cm³)
Number of cubes = (70 cm³/2) x (8/1 cm³)
Number of cubes = 560 cubes
Therefore, 560 cubes with edge lengths of 1/2 cm are needed.
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h(1) = 23 meters and h(a) = 34.25 meters.
The average rate of change of the height of the rocket is 11.25/(a - 1)
Estimating the average rate of change of the height of the rocketFrom the question, we have the following parameters that can be used in our computation:
h(1) = 23 meters and h(a) = 34.25 meters.
The average rate of change of the height of the rocket is
Rate = Change in height /Time
So, we have
Rate = (34.25 - 23)/(a - 1)
Evaluate
Rate = 11.25/(a - 1)
Hence, the rate = 11.25/(a - 1)
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Complete question
Melissa launches a rocket from a 3-meter-tall platform. The height, h, of the rocket, in meters, can be modeled by the given graph.
Melissa knows that h(1) = 23 meters and h(a) = 34.25 meters.
What is a reasonable estimate of the average rate of change of the height of the rocket, in meters per second