Answer:
2946
Step-by-step explanation:
I don't know and iam not sure in that
8. three students scheduled interviews for summer employment at the brookwood institute. in each case the interview results in either an offer for a position or no offer. experimental outcomes are defined in terms of the results of the three interviews. let x equal the number of students who receive an offer. is x continuous or discrete?
The variable x, which represents the number of students who receive an offer, is a discrete variable.
What are discrete and continuous variables?The variable can take on one or more exact values, a countable number of values, or values that are finite, such as the number of students in a class, the number of cars in a parking lot, the number of seeds in a bag, and so on, if the variable is a discrete variable. A variable is referred to as continuous if it can take on an infinite number of values (although the values may be restricted to a certain range), and those values are not limited to specific points on a continuum.
What are the outcomes of the experimental?For three students who are undergoing interviews at Brookwood Institute, the experimental results are defined in terms of the outcomes of the three interviews. Each interview would yield one of two possible results: either an offer for a job or no offer.
As a result, for each of the three interviews, there are two possible outcomes. If we multiply the possibilities for each of the three interviews, we get a total of eight possible outcomes, which can be listed as follows:
NNN, NNO, NON, NOO, ONN, ONO, OON, and OOO.
Let's assume that an 'O' represents an offer, while an 'N' represents no offer. The variable x represents the number of students who receive an offer. Since the variable can only take on one of four discrete values (0, 1, 2, or 3), it is a discrete variable.
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I can’t figure this out. Help!
Answer:
Your answer should be x = \(\frac{48}{7}\).
Hope this helps.
Answer:
x is about 6.857 or 48/7
Step-by-step explanation:
to do this we cross multiply
42/18=16/x
42x=18(16)
42x=288
x=6.857
Hopes this helps please mark brainliest
7,5 move 4 units left and 1 unit down
Answer:
(3,4)
Step-by-step explanation:
Answer:
4,3
Step-by-step explanation:
Out of a total of 2,000 boxes, 40% were red. 50% of the red boxes were sold. a. How many red boxes were sold? Answer: _____ b. How many boxes were not red in color? Answer: ______ plz help and teach me how to mark as brainliest so i can do that to people who help me
Answer:
400 red boxes were sold
Step-by-step explanation:
Step 1: Our output value is 2000.
Step 2: We represent the unknown value with x.
Step 3: From step 1 above,2000=100%.
Step 4: Similarly, x=40%.
Step 5: This results in a pair of simple equations:
2000=100%
x=40%(2)
Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of both
equations have the same unit (%); we have
2000/x = 100%/40%
Step 7: Again, the reciprocal of both sides gives
x/2000 = 40%/100%
x=800
Therefore, 40% of 2000 is 800
and to find 50% just divide by 2
15.5 angle relationships in circles what is similar about all the relationships between angle measures and their intercepted arcs?
In angle relationships in circles, the similarity that angle measures and their intercepted arcs share in their relationships is that they are proportional, i.e., the sum of the angle measures will always equal the measure of the intercepted arc.
The similar aspect about all the relationships between angle measures and their intercepted arcs can be observed in the following cases:
1. Central angle: The measure of a central angle is equal to the measure of its intercepted arc.
2. Inscribed angle: The measure of an inscribed angle is half the measure of its intercepted arc.
3. Tangent-chord angle: The measure of an angle formed by a tangent and a chord is half the difference of the intercepted arcs on the circle.
4. Chord-chord angle (interior angle): The measure of an angle formed by two intersecting chords is half the sum of the measures of the intercepted arcs.
In all these relationships, the angle measures are consistently related to the intercepted arcs, making it the similar aspect in angle relationships in circles.
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1. Determine Linda's bonus using the following formula: 2 weeks' salary plus 3 percent of gross sales.
annual salary: $88,600.00
gross sales: $314,000.00
Please help me. This is due today and my math teacher didnt have class this pass week to teach us this lesson.
In the meantime, there are some general tips that can help you tackle any math lesson. First, make sure you have a clear understanding of the vocabulary and terms used in the lesson. This will help you better comprehend the concepts being taught.
Secondly, review any examples or practice problems provided in the textbook or online resources. This will help you apply the concepts and see how they are used in real-world scenarios.
If you are still struggling, don't hesitate to seek additional help from classmates or a tutor. Sometimes, hearing a different perspective or explanation can make all the difference in understanding a difficult topic.
Lastly, it is important to not give up and stay positive. Math can be challenging, but with perseverance and practice, you can improve your skills and succeed in the subject.
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Directions:Find the unknown measurements.(Square)Area: Side:2.6m
Answer:
Area = 6. 76 square cm
Explanation
Each side of the square = 2.6 cm
Area of a square = s^2
Where s = 2.6cm
Area = 2.6^2
Area = 6.76 square cm
Therefore, the area of the square is 6. 76 square cm
Please help me with these 2 questions
Answer:
What contributed to the decline of the Indus Valley civilization?
Select all correct answers.What contributed to the decline of the Indus Valley civilization?
Select all correct answers.
Step-by-step explanation:
Cory is making popcorn. He knows that 3 identical scoops of unpopped kernels produced 6 quarts of popcorn. Which table represents the total amount of popcorn, in quarts, produced by x scoops of unpopped kernels?
The correct that represents the total amount of popcorn, in quarts, produced by x scoops of unpopped kernels
If 3 scoops of unpopped kernels produce 6 quarts of popcorn, we can find the rate of popcorn produced per scoop by dividing the total popcorn by the number of scoops:
6 quarts popcorn / 3 scoops = 2 quarts popcorn per scoop
We can use this rate to fill out the table for any number of scoops:
Number of scoops Total amount of popcorn (in quarts)
1 2
2 4
3 6
4 8
5 10
... ...
x 2x
Therefore, the correct table that represents the total amount of popcorn, in quarts, produced by x scoops of unpopped kernels is:
Number of scoops Total amount of popcorn (in quarts)
1 2
2 4
3 6
4 8
5 10
... ...
x 2x
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find the vectors t, n, and b at the given point. r(t) = 8 cos t, 8 sin t, 8 ln cos t , (8, 0, 0)
The vectors t, n, and b at the given point (8, 0, 0) are as follows:
The tangent vector (t) represents the direction of the curve at the given point.The normal vector (n) points towards the center of curvature of the curve at the given point. The binormal vector (b) is perpendicular to both the tangent vector and the normal vector, forming a three-dimensional coordinate system known as the Frenet-Serret frame.What are the vectors t, n, and b representing at the point (8, 0, 0) in the given curve equation?At the point (8, 0, 0) on the curve defined by r(t) = 8 cos t, 8 sin t, 8 ln cos t, the tangent vector (t) indicates the direction of the curve at that point. The normal vector (n) points towards the center of curvature, providing information about how the curve is bending. The binormal vector (b) is perpendicular to both t and n and completes the three-dimensional coordinate system, known as the Frenet-Serret frame. It is essential for understanding the curvature and torsion properties of the curve.
To find these vectors, we can differentiate the position vector r(t) with respect to t and evaluate it at t = 0 since the given point is (8, 0, 0). Taking the derivatives, we have:
r'(t) = -8 sin t, 8 cos t, -8 tan t sec t
Substituting t = 0, we get:
r'(0) = 0, 8, 0
This gives us the tangent vector t = (0, 8, 0) at the point (8, 0, 0).
Next, we compute the second derivative of r(t):
\(r''(t) = -8 cos t, -8 sin t, -8 sec^2 t\)
Substituting t = 0, we have:
r''(0) = -8, 0, -8
Normalizing this vector, we obtain the unit vector n = (-1/√2, 0, -1/√2).
Finally, we compute the cross product of t and n to find the binormal vector b:
b = t × n = (0, 8, 0) × (-1/√2, 0, -1/√2) = (0, 8/√2, 0)
Therefore, at the point (8, 0, 0), the vectors t, n, and b are (0, 8, 0), (-1/√2, 0, -1/√2), and (0, 8/√2, 0), respectively.
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The vectors t, n, and b at a given point for a curve are the tangent, normal, and binormal vectors respectively. These vectors need to be calculated via a series of steps involving calculus, however, the information provided does not explicitly give us what they are for your specific problem. It's recommended to review your given problem.
Explanation:To answer your question regarding finding the vectors t, n, and b at a given point for r(t) = 8 cos t, 8 sin t, 8 ln cos t , at the point (8, 0, 0), we need to use the theory of curves and vectors in three-dimensional space. The vectors t, n, and b are respectively the tangent, normal, and binormal vectors of a curve at a point. However, your specific problem seems to involve calculus and an understanding of the theory of these vectors. Typically, we first find the velocity vector v(t) = r'(t), normalize it to get the unit tangent vector T(t) = v(t) / ||v(t)||. Afterwards, find the derivative of T(t) and normalize it too to get the normal vector N(t). Finally, the binormal vector B(t) is the cross product of T(t) and N(t). Unfortunately, as the information given does not allow to get these vectors precisely, you might want to check if the projectory r(t) or the point given is correct.
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Find all real values of t that satisfy the equation t^2 = 324
the Answer: t=18, - 18
Graph the system of equations. y = 2x y = –x + 6 Two lines on a coordinate plane that intersect at the point 2 comma 4. One line has y intercept 0 and the other has y intercept 6. Two lines on a coordinate plane that intersect at the point negative 2 comma negative 4. One line has y intercept 0 and the other has y intercept negative 6. Two lines on a coordinate plane that intersect at the point 1 comma 2. One line has y intercept 0 and the other has y intercept 3. Two lines on a coordinate plane that intersect at the point 3 comma 3. One line has y intercept 0 and the other has y intercept 6.
The solution to the systems of equations graphically is (2, 4)
Solving the systems of equations graphicallyFrom the question, we have the following parameters that can be used in our computation:
y = 2x
y = -x + 6
Next, we plot the graph of the system of the equations
See attachment for the graph
From the graph, we have solution to the system to be the point of intersection of the lines
This points are located at (2, 4)
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Lef f{(-1,2), (0,3),(1,5),(-1,3)} and g={(-2,1),(0,3),(1,5),(-1,3),(3,0)} find 2f + 4g and 2g/h
The value of the functions 2f + 4g is {(-2,4), (0,6), (2,10), (-2,6), (-8,4), (4,20), (-4,12), (12,0)} and the value of 2g/h is (1,2.5)
In particular, a function maps each element of a set (called the domain) to a unique element of another set (called the range). In this context, we'll look at two functions, f and g, and explore how we can perform arithmetic operations with them.
We can think of these pairs as points on a Cartesian plane, where the x-coordinate represents the input and the y-coordinate represents the output.
Now, let's move on to the arithmetic operations with functions. The first operation we're asked to perform is 2f + 4g. To do this, we need to apply the following steps:
Multiply each ordered pair in f by 2, and multiply each ordered pair in g by 4. This means that the inputs stay the same, but the outputs are multiplied by their respective constants.
Simplify the resulting set by removing any duplicate ordered pairs.
Let's work through this process step by step for our given functions:
Multiplying f by 2 gives us: {(-2,4), (0,6), (2,10), (-2,6)}
Multiplying g by 4 gives us: {(-8,4), (0,12), (4,20), (-4,12), (12,0)}
Taking the union of these sets gives us: {(-2,4), (0,6), (2,10), (-2,6), (-8,4), (4,20), (-4,12), (12,0)}
Simplifying this set by removing duplicates gives us: {(-2,4), (0,6), (2,10), (-2,6), (-8,4), (4,20), (-4,12), (12,0)}
So, 2f + 4g is the function represented by the set {(-2,4), (0,6), (2,10), (-2,6), (-8,4), (4,20), (-4,12), (12,0)}.
For the ordered pair (1,5) in g, the corresponding ordered pair in h is (5,4). So, we can compute 2g(1)/h(5) as follows:
2g(1) = 2 * 5 = 10
h(5) = 4
2g(1)/h(5) = 10/4 = 2.5
Therefore, the ordered pair (1,2.5) is in the result set.
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What is the equation of a line parallel to the line that passes through the
points (1, 8) and (3, 14) and has a y intercept of 9*
Please help me! I need this for algebra
Answer:
-8/5
Step-by-step explanation:
hope it helps!
Suppose 10 people arrive at a bank at the same time. In how many ways can they line up to wait for the next available teller? a) O 10 b) O 362,880 c) O 40,320 d) O 100 e) 3,628,800 1) O None of the above.
None of the above. The answer is 10! (10 factorial) which number is 3,628,800.
The number of ways to arrange 10 people in a line is 10! (10 factorial). This is equal to 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 which is 3,628,800.
The answer to the question is 10! (10 factorial). This is because in order to determine the number of ways to arrange 10 people in a line, you must multiply the number of people by every number between that number and 1. In this case, it would be 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 which is 3,628,800.
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an analysis was made of the number of students who dropped general psychology during the fall semester--the number that were observed dropping is shown in the table below which shows the drops classified by four majors. the records office tells us that for the university as a whole there are 8% of the students majoring in education, 28% majoring in business, 42% in arts and sciences, and 22% undecided. if the university expected that there should be no difference among the different majors in dropping this class, what would be the expected percent of business majors who dropped in this sample.
The expected percent of business majors who dropped in this sample would be 28%.
To find the expected percent of business majors who dropped in this sample, we need to first calculate the total number of students in the sample. From the table below, we see that a total of 250 students dropped general psychology during the fall semester.
| Major | Number of Students Dropping |
|--------------------|-----------------------------|
| Education | 20 |
| Business | 70 |
| Arts and Sciences | 120 |
| Undecided | 40 |
| **Total** | **250** |
Next, we need to calculate the expected number of students who would have dropped from each major if there were no difference among the majors. To do this, we can multiply the total number of students who dropped (250) by the percentage of students in each major:
Education: 0.08 x 250 = 20
Business: 0.28 x 250 = 70
Arts and Sciences: 0.42 x 250 = 105
Undecided: 0.22 x 250 = 55
So, if the university expected that there should be no difference among the different majors in dropping this class, the expected percent of business majors who dropped in this sample would be:
Expected percent of business majors who dropped = (Expected number of business majors who dropped / Total number of students who dropped) x 100
= (70/250) x 100
= 28%
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One month before the election, a poll of 630 randomly selected voters showed 54% planning to vote for a certain candidate. A week later, it became known that he had tweeted inappropriate pictures of himself, and a new poll showed only 51 % of 1010 voters supporting him. Do these results indicate a decrease in voter support for his candidacy? Test an appropriate hypothesis and state your conclusion
To determine whether there is a decrease in voter support for the candidate after the scandal, we can test the hypothesis using the proportions of the two polls. The first poll showed 54% support among 630 randomly selected voters, while the second poll showed 51% support among 1010 voters. By conducting a hypothesis test, we can determine if the difference in proportions is statistically significant.
To test the hypothesis, we can use the two-sample z-test for proportions. The null hypothesis (H0) assumes no difference in voter support, while the alternative hypothesis (H1) assumes a decrease in support. We can calculate the test statistic using the formula:
z = (p1 - p2) / √[(p(1 - p) / n1) + (p(1 - p) / n2)]
where p1 and p2 are the proportions from the two samples, and n1 and n2 are the respective sample sizes. p is the pooled proportion, calculated as (x1 + x2) / (n1 + n2), where x1 and x2 are the respective number of successes (votes for the candidate) in each sample.
By calculating the z-value, we can compare it to the critical value for the desired significance level (e.g., α = 0.05). If the z-value exceeds the critical value, we reject the null hypothesis in favor of the alternative hypothesis, indicating a statistically significant decrease in voter support.
After performing the calculations, if the z-value exceeds the critical value, we can conclude that there is evidence to support the claim of a decrease in voter support for the candidate after the scandal. Conversely, if the z-value does not exceed the critical value, we fail to reject the null hypothesis, suggesting that there is insufficient evidence to conclude a significant decrease in support.
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Center (-9,0) radius 1
Answer:
Step-by-step explanation:
im guessing you need the equation of the circle?
plugging it into the standard circle equaition you would get (x+9)^2+y^2=1 and then you would just need to rearaange it into standard form
) Evaluate 3 + (a + 4) (8 - 6) when a = 5 and b = 6.
Answer:
21
Step-by-step explanation:
3 + (a + 4)(8 - b)
3 + (5 + 4)(8 - 6)
= 3 + (9)(2)
= 3 + 18 = 21
Can someone help me with math please
Answer:
2/3
Step-by-step explanation:
9 + 2 + 1 + 4 = 16
16/24 simplifies to 2/3
C, 2/3.
Explanation: It wants to know how many students have 2 or more pets. So just start counting the dots from 2 - 6. We get 16/24. That fraction simplified is 2/3.
f(x)=8−4x−x3 g(x)=x2+7x−9 Find f(x)+g(x). Select one: a. x3+x2+3x−1 b. −x3+x+3x−1 c. −x3+x2+11x−9 d. 8x2+3x−9x3
Answer:
B
Step-by-step explanation:
We are given the two functions:
\(f(x) = 8 - 4x - x^3\text{ and } g(x) = x^2 + 7x - 9\)
And we want to find:
\(f(x) + g(x)\)
Substitute:
\(= (8 - 4x - x^3) + (x^2 + 7x - 9)\)
Rewrite:
\(= (-x^3) + (x^2) + (7x - 4x) + (8 - 9)\)
Combine like terms:
\(= -x^3 + x^2 +3x -1\)
In conclusion:
\(f(x) + g(x) = -x^3 + x^2 +3x -1\)
Hence, our answer is B.
find the centroid of the region bounded by the given curves. y=12x,y=√x
The centroid of the region bounded by the curves y = 12x and y = √x is (72,1.88).
To find the centroid of the region bounded by the given curves y = 12x and y = √x, the following steps should be followed.
Step 1: Sketch the region bounded by the two curves to have an idea of what the region looks like.
Step 2: Determine the area of the region bounded by the two curves. The area A can be computed by evaluating the definite integral of the difference between the two functions. \(\[\int\limits_{0}^{144} (\sqrt{x}-12x)dx\]\) We solve for this integral below.\(\[\int\limits_{0}^{144} (\sqrt{x}-12x)dx = 64 - 1728 + \frac{2}{3}\sqrt{6}\] \[\int\limits_{0}^{144} (\sqrt{x}-12x)dx = -1663.30\]\)
Step 3: To find the centroid of the region, we need to determine the x and y coordinates of the centroid. The x-coordinate of the centroid is given by the formula below.
\(\[x = \frac{1}{A}\int\limits_{a}^{b} \frac{1}{2}(y_1^2-y_2^2)dx\]\)
where A is the area of the region, and y1 and y2 are the upper and lower functions, respectively. Substituting values, we obtain
\(\[x = \frac{1}{-1663.30}\int\limits_{0}^{144} \frac{1}{2}((\sqrt{x})^2-(12x)^2)dx\] \[x = 72\]\)
The y-coordinate of the centroid is given by the formula below.
\(\[y = \frac{1}{2A}\int\limits_{a}^{b}(y_1+y_2)\sqrt{(y_1-y_2)^2+4dx}\]\)
Substituting values, we obtain \(\[y = \frac{1}{2(-1663.30)}\int\limits_{0}^{144}(12x+\sqrt{x})\sqrt{(\sqrt{x}-12x)^2+4dx}\] \[y = 1.88\]\)
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When a network adapter is configured to "obtain an IP automatically," it relies on the _____ to get an IP and related information.
When a network adapter is configured to "obtain an IP automatically," it relies on the DHCP server for IP and related information.
When a network adapter is configured to "obtain an IP automatically," it relies on the Dynamic Host Configuration Protocol (DHCP) server to obtain an IP address and related information. The DHCP server is a network service that automatically assigns unique IP addresses to devices on a network.
When a device connects to the network, it sends a DHCP request to the DHCP server. The server then responds with an available IP address from its configured pool, along with additional configuration parameters such as subnet mask, default gateway, and DNS server addresses. This process eliminates the need for manual IP configuration on each device and allows for efficient management of IP addresses within a network.
By relying on the DHCP server, devices can dynamically acquire network settings, ensuring smooth connectivity and simplifying network administration tasks.
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A new club sent out 192 coupons to boost sales for next year's memberships. They provided 5 times as many to potential members than to existing members. How many coupons did they send to existing members? A. 37 B. 6 C. 32 D. 5
They send 32 coupons to existing members. Option C is correct.
What is a linear equation in two variables?
A Linear equation in two variables x and y is of the form
Ax + By = C.
Given,
They provide 5 times as many to potential members than existing members.
Let, there are y potential members and x existing members.
Therefore, x + 5y = 192
Also, x and y are whole numbers.
Hence, x=32 satisfy the equation.
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43. Can you place ten lumps of sugar in three empty cups so that
there is an odd number of lumps in each cup?
Answer: No.
Step-by-step explanation:
We have 10 lumps of sugar, and we want to divide them into 3 cups, in such a way that there is an odd number of lumps in each cup.
This only can happen if we have 3 odd numbers such that the addition is equal to 10.
Now 10 is an even number, remember that even numbers can be written as:
2*k
where k is an integer number.
And odd numbers can be written as:
2*n + 1
where n is an integer.
Then we have 3 odd numbers, let's call them:
(2*n + 1), (2*k + 1) and (2*p + 1).
Now let's add them:
(2*n + 1) + (2*k + 1) + (2*p + 1).
2*(n + k + p) + 1 + 1+ 1
2*(n + k + p) + 2 + 1 =
2*(n + k + p + 1) + 1.
Now, the number n + k + p + 1 is an integer number, let's call it X, then we have that the addition of the 3 odd numbers is:
2*X + 1
This is an odd number
So for any 3 odd numbers that we add together, the result will always be an odd number.
Then is impossible to add 3 odd numbers and get 10 as the result (Again, 10 is an even number).
Then is not possible to have an odd number of lumps in each cup.
Does the function satisfy the hypotheses of the Mean Value Theorem on the given interval?
f(x)= 1/x,[1,6] O Yes, it does not matter if f is continuous or differentiable, every function satisfies the Mean Value Theorem. O Yes, f is continuous on [1,6] and differentiable on (1,6). O No, f is not continuous on [1,6]. O No, f is continuous on [1,6] but not differentiable on (1,6). O There is not enough information to verify if this function satisfies the Mean Value Theorem.
To determine if the function f(x) = 1/x satisfies the hypotheses of the Mean Value Theorem on the given interval [1,6], we need to check if the function is continuous on the interval and differentiable on the open interval (1,6).
In this case, f(x) = 1/x is continuous on the interval [1,6] because it is defined and continuous for all values of x within that interval.
However, f(x) = 1/x is not differentiable at x = 0 since the derivative is undefined at that point. But since the interval of interest is [1,6], which does not include x = 0, we only need to consider the differentiability of the function on the open interval (1,6).
On the open interval (1,6), f(x) = 1/x is differentiable because it is the reciprocal of a differentiable function, except at x = 0 which is not included in the interval (1,6).
Therefore, the function f(x) = 1/x satisfies the hypotheses of the Mean Value Theorem on the given interval [1,6] because it is continuous on [1,6] and differentiable on (1,6).
The correct answer is: O Yes, f is continuous on [1,6] and differentiable on (1,6).
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Please help me on my exam qts please!
26) It costs a flat fee of $20 to rent a chainsaw, plus $4 per day for each day rented. Let'x' represent the number
of days rented, and 'y' represents the charge to the person renting the chainsaw. Write an equation for this
situation in y = mx + b form and then find out what the cost is if Bill rents the chainsaw for ten days.
Answer:
you should of not said exam you will prob get banned now
Step-by-step explanation:
If a space rover has a mass of 3900 kg, then what is its weight on Earth?
N=?
Use g-9.81m/s? and do not include units in your answer.
If a space rover has a mass of 3900 kg, then its weight on Earth N will be 38220 N.
What is a weight?Weight can be described as the body's relative mass which can be regarded as the quantity of matter that can be found in the particles of the object and the unit can be written as Newton.
To calculate the weight of a particular particles, we can use the formular (mg) which is that product of the mass of the object to that of the gravity.
from the question, the gravity is been given as g-9.81m/s
Then the weight = (3900 kg* 9.8) = 38220 N
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