Answer:
400
Step-by-step explanation:
Answer:
400
Step-by-step explanation:
5 times 8 = 40
40 times 10 (since it was 50 not 5) = 400
Solve the system of equations by substitution.
y=3x-10, 2x+3y=14
Its 5-3 MathXL btw
the body mass of a man is xkg.thebody mass of his two children are five-sixth and four_fifths of their father5 x over 6 + 4 x over 5 5 x over 6 + 4 x over 5
56/120
Step-by-step explanation:
The body masses of the two children in terms of their father's body mass, x, are:
First child's body mass = 5x/6 kg
Second child's body mass = 4x/5 kg
To express the body mass of the man's two children in terms of their father's body mass, we can use the given ratios.
Let the body mass of the man be x kg.
The first child's body mass is five-sixths of their father's body mass:
Body mass of the first child = (5/6) * x
= 5x/6 kg.
The second child's body mass is four-fifths of their father's body mass:
Body mass of the second child = (4/5) * x
= 4x/5 kg.
Therefore, the body masses of the two children in terms of their father's body mass, x, are:
First child's body mass = 5x/6 kg
Second child's body mass = 4x/5 kg
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If 20 students were
surveryed and 50% loved
strawberries, how many
students love
strawberries?
Answer:
10 students love strawberries
A store is having a 20% off sale. You purchase a pair of bluetooth
headphones for $75. What was the original price?
Answer:
60 dollars
Step-by-step explanation:
well it's simple
Answer:
($75)(0.20)= then add that answer to 75
Step-by-step explanation:
Two cylinders are shown below. Which cylinder has the greater volume? Use 3.14 for π. Round to the nearest hundredth. Use the drop-down menus to show your answer
Step-by-step explanation:
I think your question is missed of key information, allow me to add in and hope it will fit the original one.
Please have a look at the attached photo.
My answer:
To find which cylinder has the greater volume, we need to find out the volume of each one.
As we all know that the formula used to determine the volume of a cylinder is:
V = The base area*the height
<=> V = π\(r^{2}\)h (cubic units)
For example, in my attached photo, we will use this formula to find the volume of each one.
1. Cylinder A:The base area = π\(r^{2}\) = π\(3.5^{2}\) = 38.46 square in
The height = 8.5 in
=> the volume of Cylinder A
= The base area*the height
= 38.46*8.5
= 326.91 cubic in
2. Cylinder B:The base area = π\(r^{2}\) = π\(2.7^{2}\) = 22.89 square in
The height = 11 in
=> the volume of Cylinder A
= The base area*the height
= 22.89*11
= 251.79 cubic in
Hence, Cylinder B has the greater volume
suppose that for a particular firm the only variable input into the production process is labor and that output equals zero when no workers are hired. in addition, suppose that fixed cost is $130, marginal cost of each worker hired is constant at $40, and the average total cost when three workers are hired is $50. what is the output when three workers are hired?
The output when three workers are hired is 5 units..
To find the output when three workers are hired, we need to first determine the total cost and then use the marginal cost to calculate the output.
Find the total cost when three workers are hired.
Average total cost (ATC) = Total cost (TC) / Output (Q)
$50 = TC / Q
Since fixed cost (FC) is $130 and the marginal cost (MC) is $40 per worker, the total cost can be found by adding the fixed cost and the cost of the three workers.
TC = FC + 3(MC)
TC = $130 + 3($40)
Calculate the total cost.
TC = $130 + $120
TC = $250
Use the total cost and average total cost to find the output.
$50 = $250 / Q
Q = $250 / $50
Q = 5
Therefore, the output when three workers are hired is 5 units.
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what is 1.27 rounded to the nearest whole number
Answer:
Step-by-step explanation:
Answer: 1
Step-by-step explanation: 1.27 is 27 hundredths from 1, but 73 hundredths from 2. Therefore it's nearest whole number is 1.00 = 1.
Define ,shaping in your own words. Provide an original example where shaping is used to modify a behavior. Explain how reinforcement and extinction are used in shaping. Share how planned ignoring might be effective to extinguish an undesirable behavior and propose when this strategy might not be appropriate. Reflect on how God has shaped your thoughts and behaviors through your Christian walk.
Shaping modifies behavior through reinforcement and extinction, while planned ignoring is an effective strategy with limitations.
Shaping is a behavior modification technique that involves reinforcing behaviors that are closer and closer to the desired target behavior. Instead of waiting for the complete behavior to occur, shaping allows for gradual progress by reinforcing successive approximations.
For example, in dog training, shaping can be used to teach a dog to roll over. Initially, the trainer may reinforce the dog for lying down, then for turning its head, then for rolling partially, until the dog eventually performs a full roll. This demonstrates how shaping breaks down a complex behavior into manageable steps.
Reinforcement and extinction are integral to the shaping process. Reinforcement involves providing rewards or positive consequences to strengthen and increase the frequency of desired behaviors.
In shaping, reinforcement is used to reward each successive approximation, encouraging the individual or animal to continue moving towards the target behavior.
On the other hand, extinction is the process of eliminating undesired behaviors by withholding reinforcement. By no longer providing rewards for an undesirable behavior, the behavior gradually decreases and eventually becomes extinct.
Planned ignoring is a strategy that can be effective in extinguishing undesirable behavior. It involves deliberately withholding attention or reinforcement when the undesired behavior occurs.
For example, a parent might choose to ignore a child's tantrum to discourage its recurrence. This approach works by removing the reinforcing element of attention, causing the behavior to diminish over time.
However, planned ignoring may not be appropriate in situations where immediate intervention or safety concerns are involved, as it relies on the absence of reinforcement and may prolong undesirable behaviors in certain cases.
In the context of a Christian walk, shaping can be understood as God's influence and guidance in shaping thoughts and behaviors. Through teachings, scripture, prayer, and spiritual growth, individuals are guided towards conforming to godly principles and values.
God shapes our character, molds our perspectives, and helps us develop behaviors that align with His will. It is through the process of learning and growing in faith that our thoughts and behaviors are transformed to reflect the teachings of Christ.
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What are the
coordinates of the
midpoint of XY with
endpoints X(-2,-6) and
Y(3,10)? (9,-6)
Answer:
Step-by-step explanation:
(-2+3)/2 = 1/2
(10 + (-6))/2 = 4/2 = 2
(0.5, 2) are the coordinates of midpoint XY
show that if p is an invertible m m matrix, then rankpa d rank a. [hint: apply exercise 12 to pa and p 1 .pa/.]
Hence the given statement if p is an invertible m x m matrix, then rank PA = rank A is proved.
what is invertible matrix?
An invertible matrix is a matrix for which matrix inversion operation exists, given that it satisfies the requisite conditions.
proof:
Let A be an m × m matrix and P be an invertible m × m matrix.
We know that Rank(A) is the number of non-zero rows in A based on the definition of matrix rank.
Therefore,
Rank(PA) = Number of non-zero rows in PA
P is invertible and non-singular, which means that all of its rows must be non-zero. As a result, PA's whole row set has non-zero rows.PA is a linear combination of rows in A, PA must thus include the same number of non-zero rows as A.Therefore,
Rank(PA) = Number of non-zero rows in PA
= Number of non-zero rows in A
= Rank(A)
Hence, we can conclude that if P is an invertible m × m matrix, then Rank(PA) = Rank(A).
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the regular price of a sweatshirt is 25.00 what is the cost of the sweatshirt if u only pay 60% of the regular price
can someone please awnser this right away
Answer:
\(25 \times \frac{60}{100} = 15\)
Step-by-step explanation:
Multiply 25 by 60%
Please help me with this Geometry Question
The value of x from the given figure is 12 units.
What are similar triangles?Two triangles are similar if the angles are the same size or the corresponding sides are in the same ratio. Either of these conditions will prove two triangles are similar.
From the given figure,
Consider ΔADC and ΔABC,
∠C=∠C (Reflex property)
AC=AC (Reflex property)
∠BAC=∠CDA=90°
By AA similarity, ΔADC ~ ΔABC
So, AC/BC = DC/AC
x/36 = 4/x
x²=36×4
x²=144
x=12 units
Therefore, the value of x from the given figure is 12 units.
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Yoko made $324 for 18 hours of work.
At the same rate, how much would she make for 12 hours of work?
Answer:
$216
Step-by-step explanation:
324 / 18 = 18. (Meaning she makes 18 dollars an hour)
18 * 12 = 216
Answer:$216
Step-by-step explanation: Rate per hour is 324/18=18
12hours =18×12
Please help!!! I don't know how to find the area of this shaded shape, can someone explain this! Thank you.
Answer: The way you can find the area of this shape is by splitting the shape into a triangle and a square find the areas of each shape and then add the values.
Step-by-step explanation:
Suppose that the probability of a convicted shoplifter repeating the crime within 5 years is .30. Of 200 convicted shoplifters, what is the probability that at least 68 will shoplift again during the next five-year period?
Use the normal approximation to the binomial here.
Answer:
The probability that at least 68 will shoplift again during the next five-year period is 0.0082
We are given that the probability of a convicted shoplifter repeating the crime within 5 years is 0.30.Using the formula of mean and variance of binomial distribution;Mean, μ = np = 200 x 0.30 = 60Var (Binomial) = npq = 200 x 0.30 x 0.70 = 42
Using the normal approximation to the binomial, we can calculate the probability as:P(X ≥ 68)
We can write this as:P(X > 67.5) = P(Z > (67.5-60)/6.4807) = P(Z > 1.1582) Where Z is the standard normal random variable.To calculate this, we need to refer to the standard normal distribution table of values, which gives:P(Z > 1.16) = 0.1230
Therefore,P(X > 67.5) = 0.1230
Hence, the probability that at least 68 will shoplift again during the next five-year period is 0.0082
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You are a contractor and charge $65 for a site visit plus an additional $15 per hour for each hour you spend working at the site. Write and solve an equation to determine how many total hours you have to work to earn $950 working at two separate work sites
Answer:
h = 59 hours
Step-by-step explanation:
Total earnings = fixed charge + variable charge
Fixed charge = $65
Variable charge = $15h
Where, h = number of hours
Total earnings = $950
Total earnings = fixed charge + variable charge
950 = 65 + 15h
Subtract 65 from both sides
950 - 65 = 65 + 15h - 65
885 = 15h
Divide both sides by 15
h = 885 / 15
= 59
h = 59 hours
14. A surveyor observes that the top of a building makes an angle of 32° with the road.From another location 300 ft. from the base of the building, the angle of elevation is 22°How far is the base of the building from the first observation point, ×, on the road?
Considering h as the height of the building, we have the following set of relations for a right triangle:
\(\begin{gathered} 300\cdot x=h^2 \\ h=300\cdot\tan22\degree \\ h\approx121\text{ ft} \\ \therefore x=\frac{121^2}{300}\approx49\text{ ft} \end{gathered}\)What Is The Improper fraction for 6/7 and 4/5
Answer:
11 upon 4 is your 6 upon 4 answer
2 1/4 divided by 3 1/2
Answer:
9/4 ÷ 7/2
9/4 × 2/7
9/14
plßssssssssssss mark me brianliest
\(▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪\)
The equivalent expression is ~
\( \boxed{ \frac{9}{14} }\)
\( \huge \boxed{ \mathfrak{Explanation}}\)
\(2 \frac{1}{4} \div 3 \frac{1}{2} \)\( \dfrac{9}{4} \div \dfrac{7}{2} \)\( \dfrac{9}{4} \times \dfrac{2}{7} \)\( \dfrac{9}{2 \times 7} \)\( \dfrac{9}{14} \)a recent study focused on the amount of money single men and women save monthly. the information is summarized here. assume that the population standard deviations are unknown but equal. sample size sample mean population standard deviation men 25 50 10 women 30 54 5 at the 0.01 significance level, what is your conclusion about whether women save more money than men? multiple choice reject the null hypothesis and conclude that women and men save the same amount. fail to reject the null hypothesis and conclude the means are different. fail to reject the null hypothesis. reject the null hypothesis and conclude that women save more than men.
At the 0.01 significance level, reject the null hypothesis and conclude that women save more than men. we can conclude that there is not enough evidence to support the claim that women save more money than men.
The null hypothesis in this study is that there is no difference in the amount of money saved monthly by single men and women. The alternative hypothesis is that there is a difference in the amount of money saved monthly between single men and women.
To test this hypothesis, we can use a two-sample t-test with equal variances assuming that the population standard deviations are unknown but equal. Using the given data, the t-statistic is calculated to be 1.74.
At the 0.01 significance level with 53 degrees of freedom, the critical value is 2.680. Since the calculated t-statistic of 1.74 is less than the critical value of 2.680, we fail to reject the null hypothesis.
Therefore, we can conclude that there is not enough evidence to support the claim that women save more money than men. At the 0.01 significance level, reject the null hypothesis and conclude that women save more than men.
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Answer two questions about Equations A and B:
A. 5= -2(x - 1)
B. 5 = -22 + 2
1) How can we get Equation B from Equation A?
Choose 1 answer:
Answer:
part 2 is A: yes
Step-by-step explanation:
Option B is correct.
We have the two following equations -
A. 5 = -2(x - 1)
B. 5 = -2x + 2
We have to find out how can we get Equation B from Equation A?
State the distributive property.According to the distributive property -
a(y + z) = (a x y) + (a x z)
According to the question -
We have -
-5 = -2(x - 1)
Using the distributive property, we can rewrite the right hand side as follows -
-5 = -2(x - 1) = ( -2x ) + (2) = -2x + 2
Hence, option B is correct.
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The rectangles below are similar.
The sides of rectangle T are 6 times longer
than the sides of rectangle S.
What is the height, h, of rectangle T in cm?
Give your answer as an integer or as a fraction
in its simplest form.
4 cm
10 cm
S
h
60 cm
T
The width of the first rectangle is 9 cm and the length of the first rectangle is 24 cm.
The width of the second rectangle is 14 cm and the length of the second rectangle is 22 cm.
We have,
A rectangle is a part of a quadrilateral, whose sides are parallel to each other and equal.
The perimeter of a rectangle whose sides are a and b is 2(a+b).
Let the width of first rectangle = x
Then length of first rectangle = 15+x.
Width of the second rectangle = x+5
And length of second rectangle = x+13
The perimeter of second rectangle = 72 cm
2(x+5+x+13) = 72
2x+18 = 36
x=9
The width of the first rectangle is 9 cm and the length of the first rectangle is 24 cm.
The width of second rectangle is 14 cm and length is 22 cm
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complete question:
The length of arectangle is 15 cm more than the width. A second rectangle whose perimeter is 72 cm is 5 cm wider but 2 cm shorter than the first rectrangle. What are the dimensions of reach rectangle?
More help :3 please and thnx
Answer:
a. there's a lot of options but here are a few: 1 and 5, 5 and 6, 2 and 1, 2 and 6
b. also a lot of options but here are a few: 1 and 6, 5 and 2, 3 and 8, 4 and 7
Step-by-step explanation:
supplementary angles are two angles that add up to 180 degrees, so essentially two angles that, combined, are equal to a straight line.
vertical angles are angles that are opposite each other when two lines cross.
SOME PLEASE HELP PLEASE LOTS OF POINTS
The graph shows the relationship between the number of months different students practiced tennis and the number of matches they won: The title of the graph is Tennis Matches. On x axis, the label is Number of Months of Practice. On y axis, the label is Number of Matches Won. The scale on the y axis is from 0 to 22 at increments of 2, and the scale on the x axis is from 0 to 12 at increments of 2. The points plotted on the graph are the ordered pairs 0, 2 and 1, 5 and 2, 8 and 3, 9 and 4, 10 and 5, 12 and 6, 13 and 7, 16 and 8,17 and 9, 18 and 10,20. A straight line is drawn joining the ordered pairs 0, 3.3 and 2, 6.8 and 4, 10 and 6, 13.5 and 8, 17 and 10, 20.5.
Part A: What is the approximate y-intercept of the line of best fit and what does it represent? (5 points)
Part B: Write the equation for the line of best fit in the slope-intercept form and use it to predict the number of matches that could be won after 13 months of practice Show your work and include the points used to calculate the slope. (5 points)
Answer:
Part A; Y - intercept = 4 matches,
Part B; y = 2x + 4
Part C; 30 Matches Won
Step-by-step explanation:
13 months is represented by the x - axis, so let us
plug it into the equation that we formulated and
solve for y, the number of matches one;
Round the density value of 2.865 g/cm3 to the nearest tenth.
The density value of 2.865 g/cm³ rounded to the nearest tenth is 2.9 g/cm³.
To round the density value of 2.865 g/cm³ to the nearest tenth, we look at the digit in the hundredth place, which is 6. Since 6 is greater than or equal to 5, we round up the digit in the tenths place, which is 6 in this case. The digit in the tenths place increases by 1, resulting in a rounded value of 2.9 g/cm³.
Rounding to the nearest tenth means that we are considering the value of the digit immediately to the right of the tenths place (hundredth place). If this digit is 5 or greater, we round up by increasing the digit in the tenths place by 1. If the digit is less than 5, we simply keep the digit in the tenths place as it is.
In the case of 2.865 g/cm³, the digit in the hundredth place is 6, so we round up the tenths digit to 9, resulting in a rounded value of 2.9 g/cm³.
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Which of the following is equal to [(x^2y^3)^-2/(x^6y^3z)^2]^-3
Answer:
A,B,D
Step-by-step explanation:
right on edge
Answer:
A,B,D
Step-by-step explanation:
Consider the following generic C comparison function and its assembly language representation C code: byte compbyte a,byte b)/a in rdi,b in rsi Assembly code cmpb %rsi,%rdi set_inst %a1 ret Your jobs(fill-in blank):now sh given values of a and b g SET instruction and the A.5 points set CI SF OF %al setg 47 23 B.5 points set h SF OF %a setl 23 47 C.5 points ZA SF OF %al set sete 23 23 D.5 points CF ZF SF OF 00%1 set b setne 23 47
The correct answer is D. setne 23 47. Based on the provided information, I understand that you have a comparison function in C code and its corresponding assembly code. You are asked to fill in the blanks by selecting the appropriate instructions based on the given values of a and b and the status flags SF, OF, ZF, and CF. Let's go through the options:
A. setg 47 23: This option is incorrect because setg is used to set a byte to 1 if the Greater flag (ZF=0 and SF=OF) is set, but the given values of a and b are 47 and 23, respectively, so it does not satisfy the condition for setg to be set.
B. setl 23 47: This option is incorrect because setl is used to set a byte to 1 if the Less flag (SF≠OF) is set, but the given values of a and b are 23 and 47, respectively, so it does not satisfy the condition for setl to be set.
C. sete 23 23: This option is incorrect because sete is used to set a byte to 1 if the Zero flag (ZF=1) is set, but the given values of a and b are 23 and 23, respectively, so it does not satisfy the condition for sete to be set.
D. setne 23 47: This option is correct. setne is used to set a byte to 1 if the Zero flag (ZF=0) is not set, which means the values of a and b are not equal. In this case, the given values of a and b are 23 and 47, respectively, so they are not equal, and setne should be used.
Therefore, the correct answer is D. setne 23 47
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Dana is attaching a shelf to a wall and needs the shelf to be parallel to the floor. How many degrees should the shelf be relative to the floor?.
Using the slope concept, it is found that the shelf should have a measure of 0 degrees relative to the floor.
What is a slope?The slope is given by the vertical change divided by the horizontal change.It's also the tangent of the angle of depression.In this problem, the shelf and the floor are parallel, hence they have the same slope, meaning that the difference of their angles is of 0 degrees, thus, the shelf should have a measure of 0 degrees relative to the floor.
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p²÷4-m; use m=3, and p=4
Can someone help me with question 3? it geometry, gotta need an answer fast
Answer:
Step-by-step explanation:
So for the 1st one you're going to use your protractor and line it up so that BC is at 0 degrees, that way you can look at the point A to determine the angle. Now that you have the angle you're going to take your protractor and draw one point which will be where the two lines meet, line this up in the middle and then draw a point at 0 degrees and a point at the angle you found. Now draw another point at half the angle (like in the previous answer I answered). Draw a line from the middle point and connect it to all these three points (4 in total but one of them is going connected to all of them, like the point B in the image you sent).
For the second question you're going to take the angle you found in the first answer and multiply it by 2. Now start off by drawing a middle point which will connect the two other lines. Line up your protractor so that point is at bottom but in the middle (Check my photo for clarification). Now go to the value that is twice the angle and draw a point there, and also draw a point at 0 degrees) and then connect the two points to the middle point.
For question 3 you don't really need the hint, all you need is to multiply the angle by 1.5 but I'll send another image explaining what it's trying to explain.