The coordinates ( 6,-8 ) are plotted by moving 6 units right and 8 units down.
What is the cartesian plane?The intersection of the x- and y-axes creates the two-dimensional coordinate plane known as the cartesian plane. The origin is the point at which the x- and y-axes cross perpendicularly.
here, we have,
Given coordinates (6,-8)
for the cartesian plane, we know that the origin has points (0, 0)
and divided into four Quadrants,
the left side of the origin is a negative x-axis and the right side is a positive x-axis.
and the upside of the origin is a positive y-axis and the downside is a negative y-axis.
here coordinates of x =6 and y = -8
6 is 6 units right from the origin
and -8 is 8 units down from the origin.
Hence for the coordinates , 6 units to the right and 8 units down , is correct.
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Line l is a straight line. 2 line intersect line l to form 4 angles. From top left, clockwise, the angle are: x, y, z, w.
Which statements are true about the angles in the figure? Select two options.
Angle x and angle y are supplementary angles.
Angle W and angle Z are a linear pair.
Angle W and angle Y are adjacent angles.
Angle X and Angle Z are vertical angles.
The statements are A. ∠x and ∠y are supplementary angles, B. ∠w and ∠z are a linear pair.
Describe an angle and its types?Angle is the void between two surfaces or lines that meet. The angle is also expressed in degrees. The angle is 360 degrees for a full rotation.
Supplementary angle: When two angles add up to 180 degrees, they are considered to be supplementary angles.
Corresponding angle: The third line if two lines are parallel. Equal angles are formed by the matching angles.
Angles that are vertically opposed to one another are equal when two lines intersect.
Alternate angle: When two lines are parallel, a third line forms a z-angle, which is an equal angle to the parallel lines.
Complementary angle - When two angles add up to 90 degrees, they are considered to be complementary angles.
Angle x and angle y are supplementary angles. True.
Angle w and angle z are a linear pair. True.
Angle w and angle y are adjacent angles. False.
Angle x and Angle z are vertical angles. False.
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How many books with spines that are 1 1/4 inches wide can fit on each shelf
We can fit 33 books on a 42-inch shelf if each book is 1 1/4 inches wide.
Using a unitary method, we can easily solve problems that involve proportional relationships between different units. In this problem, we used the unitary method to determine how many books can fit on a shelf based on its length and the width of one book.
To find out how many books can fit on a 42-inch shelf, we need to divide the length of the shelf by the width of one book. In this case, each book is 1 1/4 inches wide. However, it's important to convert this fraction to a decimal so we can do the math more easily. To do this, we can divide 1 by 4 and add it to 1 1/4:
1/4 = 0.25
1 1/4 = 1 + 0.25 = 1.25
Now that we know each book is 1.25 inches wide, we can use the unitary method to find how many books can fit on the shelf:
1 book = 1.25 inches
x books = 42 inches
To solve for x, we can cross-multiply:
1 book * 42 inches = 1.25 inches * x books
42 = 1.25x
Finally, we can divide both sides by 1.25 to isolate x:
42 / 1.25 = x
33.6 = x
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Which statements are true about the angles in the figure? Select two options.
Angle x and angle y are supplementary angles.
Angle W and angle Z are a linear pair.
Angle W and angle Y are adjacent angles.
Angle X and Angle Z are vertical angles.
Angle Z and angle Y are complementary angles angles.
The true statements are ∠X and ∠Y are supplementary angles, ∠W and ∠Z are a linear pair and ∠Y and ∠Z are complementary angles. The solution has been obtained by using angles and line.
What are angles and line?
Lines having little depth or width are said to be straight. Lines can be perpendicular, intersecting, transversal, and many more various forms. A figure in which two rays emanate from the same point is referred to be an angle.
We know that angles on a straight line add up to 180° and such angles are called supplementary angles.
Therefore, ∠X and ∠Y are supplementary angles.
Similarly, we know that angles on a straight line form a linear pair.
Therefore, ∠W and ∠Z are a linear pair.
Also, we know that two angles are complementary when their sum is 90°.
We can see from the figure that ∠Z and ∠Y add up to 90°.
Therefore, ∠Y and ∠Z are complementary angles.
Hence, the above provided statements are true about the angles.
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The figure of the question is attached below
In the function rule p(t) - 700 what does 700 mean in the context of the situation
In the function rule p(t) - 700, the number 700 represents a constant value that is subtracted from the value of the function p(t).
Assuming that p(t) is a function of time t, it is possible that p(t) represents a physical quantity such as the population of a city, the price of a stock, or the number of customers in a store, among other things. If we know what p(t) represents, we can interpret the meaning of 700 in the context of the situation.
For example, if p(t) represents the population of a city, then p(t) - 700 would represent the difference between the population and a reference value of 700. This could mean that 700 is the estimated minimum viable population of the city, or it could represent a reference population for comparison with other cities.
If p(t) represents the price of a stock, then p(t) - 700 would represent the difference between the stock price and a target value of 700, such as a price floor or a strike price.
In general, the meaning of 700 in the function rule p(t) - 700 depends on the specific context of the situation and the physical quantity that p(t) represents.
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dante is the head cook in the cafeteria. each lunch consists of one serving of pasta and one serving of salad. pasta costs p dollars per serving, and salad costs s dollars per serving. he needs to order 100 lunches for seventh graders and 100 lunches for eighth graders. which expressions represents the total cost of pasta and salad. choose all the correct answers.
A. 7(p + s) + 8(p + s)
B. 200(p + s)
C. 100(p + s) + 100(p + s)
D. 200p + s
E. p + s + 200
F. 200p + 200s
On solving the provided question, we can say that the linear equation 100(p + s) + 100(p + s)
What is a linear equation?A linear equation is one that has the form y=mx+b in algebra. B is the slope, and m is the y-intercept. It's usual to refer to the previous clause as a "linear equation with two variables" because y and x are variables. The two-variable linear equations known as bivariate linear equations. There are several instances of linear equations: 2x - 3 = 0, 2y = 8, m + 1 = 0, x/2 = 3, x + y = 2, and 3x - y + z = 3. It is referred to as being linear when an equation has the form y=mx+b, where m stands for the slope and b for the y-intercept.When an equation has the formula y=mx+b, with m denoting the slope and b the y-intercept, it is referred to as being linear.
salad costs s dollars per serving. he needs to order 100 lunches for seventh graders and 100 lunches for eighth graders
the linear equation
100(p + s) + 100(p + s)
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A student received a coupon for 43% off the total purchase price at a clothing store. Let b be the original price of the
purchase. Use the expression below for the new price of the purchase. Write an equivalent expression by combining like
terms.
b-0.43b
b-0.43b =
The equivalent expression by combining like terms is 0.57b
How to write an equivalent expression?
Equivalent expressions are expressions that work the same even though they look different. If two algebraic expressions are equivalent, then the two expressions have the same value when we substitute the same value(s) for the variable(s).
In order to write an equivalent expression by combining like terms, subtract 0.43b from b (Note: b = 1b). That is:
b-0.43b = 0.57b
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certain kind of sheet metal has, on average, 7 defects per 20 square feet. assuming a poisson distribution, find the probability that a 34 square foot metal sheet has at least 9 defects. round your answer to four decimals.
The probability that a 34 square foot metal sheet has at least 9 defects is 0.4308, rounded to four decimals.
Given that the sheet metal has an average of 7 defects per 20 square feet, we can find the rate parameter (λ) of the Poisson distribution as follows:
λ = (7 defects / 20 sq ft) = 0.35 defects per square foot
Let X be the number of defects in a 34 square foot metal sheet. Since X follows a Poisson distribution with rate parameter λ, we can find the probability that X is at least 9 defects using the cumulative distribution function (CDF) of the Poisson distribution:
P(X ≥ 9) = 1 - P(X < 9) = 1 - F(8)
where F(k) is the CDF of the Poisson distribution with rate parameter λ evaluated at k.
Using the Poisson distribution formula for F(k), we have:
F(k) = P(X ≤ k) = ∑(i=0 to k) [(λ^i * e^(-λ)) / i!]
Using a calculator or software, we can find that:
F(8) = P(X ≤ 8) = 0.5692
Therefore, we have:
P(X ≥ 9) = 1 - F(8) = 1 - 0.5692 = 0.4308
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which of the following is an example of a statistic? a.) average number of all high school graduates who will attend college b.) standard deviation of tuition costs for all private universities c.) 25 random students are asked how much they spent on books d.) summary value of a population
25 random students are asked how much they spent on books is an example of a statistic.
The primary areas of study in statistics include data collection, organization, organization, analysis, interpretation, and presentation. It is customary to begin with a statistical population or a statistical model that will be examined when applying statistics to a scientific, industrial, or social problem. There are many different groups of people or things that can be referred to as populations, such as "each person living in a country" or "each atom making up a crystal." Every aspect of data is covered by statistics, including the planning of data collection in terms of survey and experiment design. Statisticians gather data using custom experiment designs and survey samples in the absence of census data.
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© 31. Think About a Plan The Millenium Wheel, also known as the London Eye, contains 32 observation cars. Determine the angle of rotation that will bring Car 3 to the position of Car 18. • How do you find the angle of rotation that a car travels when it moves one position counterclockwise?
• How many positions does Car 3?
The angle of rotation that will bring Car 3 to the position of Car 18 is 11.25 degrees. The angle of rotation that a car travels when it moves one position counterclockwise is 168.75 degrees. Car 3 needs to move 15 positions counterclockwise to reach Car 18.
a. We have to determine the angle of rotation that will bring Car 3 to the position of Car 18 on the London Eye, so we will first calculate the number of positions that Car 3 needs to move counterclockwise to reach Car 18.
We know that there are 32 observation cars on the London Eye, so the distance between two adjacent cars will be 360/32 = 11.25 degrees.
b. To find the angle of rotation that a car travels when it moves one position counterclockwise, we will divide the full rotation of the London Eye by the number of observation cars (i.e. 32).
360/32 = 11.25 degrees
Next, to determine the angle of rotation that would bring Car 3 to the position of Car 18, we will multiply the number of positions that Car 3 needs to move counterclockwise and the angle of rotation for each position as follows -
15 x 11.25 = 168.75 degrees
Therefore, the angle of rotation that a car travels when it moves one position counterclockwise is 168.75 degrees.
c. To find the number of positions that Car 3 needs to move counterclockwise to reach Car 18, we will subtract the position number of Car 18 from that of Car 3 and then take the absolute value, as it is a cyclical rotation.
|18 - 3| = 15
Hence, Car 3 needs to move 15 positions counterclockwise to reach Car 18.
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use elimination to solve the simulta
neous equations: 2x+7y)=3,
2x-y=3
Answer:
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Samantha drove 468 miles from Omaha, Nebraska to Chicago, Illinois. She drove 251 miles during the first day. Set up an equation (where D represents the distance traveled during the second day) that could be used to find the distance Samantha traveled during the second day. Then, SOLVE the equation.
Samantha drove 217 miles during the second day.
How set up and solve an equation?Word problems are sentences describing a 'real-life' situation where a problem needs to be solved by way of a mathematical calculation.
Let D be the distance Samantha traveled during the second day. Then the total distance she drove is 468 miles. The equation will be:
D + 251 = 468
Solving for D:
D = 468 - 251
D = 217
Therefore, Samantha drove 217 miles during the second day.
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A baby animal has a mass of
1.5
k
g
.
A few weeks later, the same animal has a mass of
1890
g
.
Find the percentage increase
CAN I PLEASE HAVE SOME HELP???? I AM TIMMED!!!
Question
A net of a triangular prism is shown below.
What is the surface area, in square meters, of the triangular prism?
WILL GIVE BRAINLIEST
What is JL?
Right triangle J K L has K as its right angle. A segment connects K to M on side J L. Angle J M K is a right angle. K M equals 6 and J M equals 8.
JL =
Answer:
Step-by-step explanation:
To find the length of JL in the right triangle JKL, we can use the Pythagorean theorem, which states that in a right triangle, the sum of the squares of the lengths of the two shorter sides equals the square of the length of the hypotenuse (the longest side). In this case, JL is the hypotenuse and JK and KL are the two shorter sides.
Since K is a right angle in triangle JKL, we can find the lengths of JK and KL using the given information. We have KM = 6 and JM = 8, so we can use those values to find JK and KL:
JK = √(JM^2 - KM^2) = √(8^2 - 6^2) = √(64 - 36) = √(28) = 2√(7)
KL = KM = 6
Finally, to find JL, we can use the Pythagorean theorem:
JL = √(JK^2 + KL^2) = √( (2√(7))^2 + 6^2) = √(4 * 7 + 36) = √(52) = 2√(13)
So, JL = 2√(13).
help plsssssssssssssss
In the last four weeks,you mowed 9 lawns,worked 26 hours at the ice cream shop,and delivered newspapers 8 days.Did you make enough to buy the television? Explain..
You did not make enough money to buy the television with a total earnings of $458
How to determine if the person earns enoughTo write an expression for total earnings, we can use the given rates of pay and multiply them by the unit rates of the activites and then add them together.
So the expression for total earnings (E) is:
E = 10x + 8y + 20z
Where
x = number of lawns mowedy = hours worked at the ice cream shopz = days delivering newspapersUsing the given parameters in the question, the total earnings (E) in the last 4 weeks is
E = ($10 x 9) + ($8 x 26) + ($20 x 8)
Evaluate
E = $90 + $208 + $160
E = $458
$458 is less than the cost of television ($540)
This means that you did not make enough money
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Complete Question
You earn $10 for each lawn you mow. You earn $8 per hour working part time at an ice cream shop. You earn $20 cach day you deliver newspapers.
In the last four weeks, you mowed 9 lawns, worked 26 hours at the ice cream shop, and delivered newspapers 8 days.
Did you make enough to buy the television? Explain...
The television price is $540
please help me im a bit stck on this question
the tortoise and the hare are running a 1 km race. after running comfortably for 7 s, the hare is so far ahead that he decides to take a nap under a tree, 100 m away from the finish line. if the tortoise is moving constantly at a speed of 0.27 m/s, and the maximum speed of the hare is 15 m/s, how long can the hare afford to nap if he does not want to lose the race?
The hare can afford to nap for approximately 3686.33 seconds if he does not want to lose the race.
We can use the time it takes the hare to run 100 m to determine how long he can afford to nap.
First, let's find the time it takes the hare to run the 100 m:
t = d / v
Where t is the time, d is the distance, and v is the velocity (speed) of the hare.
t = 100 m / 15 m/s
t = 6.67 s
Next, let's find the time it takes the tortoise to run 1 km (1000 m):
t = d / v
Where t is the time, d is the distance, and v is the velocity (speed) of the tortoise.
t = 1000 m / 0.27 m/s
t = 3700 s
So, the time it takes the tortoise to run the race is 3700 s. The time it takes the hare to run the first 900 m is 7 s. Therefore, the time the hare has left to nap is:
3700 s - 7 s = 3693 s
And the time it takes the hare to run the last 100 m is 6.67 s. Therefore, the hare can afford to nap for:
3693 s - 6.67 s = 3686.33 s
So, the hare can afford to nap for approximately 3686.33 seconds if he does not want to lose the race.
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A father age is 25 years older than Son the sum of Their age is 53. find their Ages using simul- taneous equation and using elimination method
Answer: To find the father's and son's ages, we can set up two simultaneous equations:
Let's say the son's age is "x"
Then, the father's age would be x + 25
And the sum of their ages is x + (x + 25) = 53
So, 2x + 25 = 53
Solving for x, we get:
2x = 28
x = 14
Therefore, the son is 14 years old, and the father is 14 + 25 = 39 years old.
To use the elimination method, we can add the two equations:
x + (x + 25) = 53
2x + 25 = 53
Simplifying, we get:
2x = 28
x = 14
And the father's age would be x + 25 = 14 + 25 = 39 years old.
Step-by-step explanation:
Marcus has thesame number of spatulas for all three solutes. Explain why his results are so different from those of Zara and arun
There are a few general reasons why Marcus's results might differ from Zara and Arun's:
Solubility Amount of solute added Spatula size Experimental errorWhat is the solutes about?In terms of Solubility: Different solutes have different solubilities, which means they will dissolve to different extents in water. It's possible that the solutes Marcus is using have lower solubilities than the solutes used by Zara and Arun, which could lead to differences in the amount of solute that dissolves.
Amount of solute added: Even if all three individuals add the same amount of solute to their test tubes, the amount of solute that actually dissolves may differ due to differences in solubility. If Marcus is using solutes with lower solubilities, he may be adding the same amount of solute as Zara and Arun, but a smaller proportion of it is dissolving.
Spatula size: Marcus has the same number of spatulas for all three solutes, but it's possible that the size of his spatulas differs from those used by Zara and Arun. If Marcus's spatulas are smaller, he may be adding less solute to his test tubes, which could explain the differences in his results.
Lastly, in terms of Experimental error: Finally, it's possible that there is some experimental error that is affecting Marcus's results. For example, he may not be measuring the amount of solute accurately, or he may be adding it to the test tube in a way that doesn't allow it to dissolve as well.
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what is the mad for 21, 25, 16, 8, 16, 10
The mean absolute deviation, mad, of the given data, 21, 25, 16, 8, 16, 10, is 4.83
Calculating Mean Absolute Deviation(MAD)From the question, we are to calculate the mean absolute deviation, mad, of the given data
First, we will calculate the mean of the data
21, 25, 16, 8, 16, 10
Mean = (21 + 25 + 16 + 8 + 16 + 10)/6
Mean = 96/6
Mean = 16
Now, we will determine the positive differences of each number from the mean
Positive differences
21 5
25 10
16 0
8 8
16 0
10 6
Now, we will find the mean of the positive differences
Mean absolute deviation =(5 + 10 + 0 + 8 + 0 + 6)/6
Mean absolute deviation = 29/6
Mean absolute deviation = 4.83
Hence, the mad is 4.83
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Which function is represented by the graph?
f(x) = |x – 1| + 3
f(x) = |x + 1| – 3
f(x) = |x – 1| – 3
f(x) = |x + 1| + 3
The function represented by the graph is:
f(x) = |x – 1| + 3
This function takes the absolute value of the difference between x and 1, and then adds 3 to the result. The graph of this function will have a "V" shape centered at x = 1 with the vertex at (1, 3). The left side of the vertex will have a slope of -1, and the right side of the vertex will have a slope of +1. The y-intercept will be 3 units above the x-axis.
Answer: B
Step-by-step explanation: YES
I don’t how to solve it
Answer:
Step-by-step explanation:
Since they are congruent, you know that 8=x-3. 11-3=8. and 14=x+6=8. x is 8
Write a linear equation in slope intercept form y=mx+b that passes through (-6,-1) and is parallel to y=-2/3x+1
On solving the provided question we can say that the slope intercept of line is y = (3/2)x + 8
What is slope intercept?In mathematics, the intersectiοn point is the place on the y-axis where the slοpe of the line crosses. a place where the y-axis crosses οn a line or curve. Y = mx+c, where m stands fοr the slope and c for the y-intercept, is used as the equatiοn for the straight line to shοw this. The slope (m) οf the line and its y-intercept (b) are emphasised in the equatiοn's intercept form.
When an equation has the intercept fοrm (y=mx+b), the slope is m and the y-intercept is b. Sοme equations can alsο be rewritten such that they seem to be slοpe intercepts. If y = x is rewritten as y=1x+0, for instance, the slοpe and y-intercept are bοth changed to 1.
the line is y = -2/3x+1
so the slope, m = -2/3
since it parallel , new slope = 3/2
the slope intercept of line is
y +1 = 3/2(x+6)
y + 1= (3/2)x + 9
y = (3/2)x + 9 - 1
y = (3/2)x + 8
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Richard and Teo have a combined age of 28. Richard is 10 years older than twice Teo's age. How old are Richard and Teo?
The algebra word problem method shows that Richard is 22 years old and Teo is 6 years old.
Algebra word problems in mathematicsAlgebra is used in our daily lives without us even recognizing it. Students can relate to and comprehend the significance of mathematics in the real world by solving algebraic word problems in worksheets.
Algebraic word problems usually comprise interpreting words into numbers, variables, their coefficients, and the use of appropriate arithmetic operations.
From the information given, we can the following system of equations as follows:
r + t = 28 --- (1)
r = 2t + 10 --- (2)
(2t + 10) + t = 28
3t + 10 = 28
3t = 28 - 10
3t = 18
t = 18/3
t = 6
From (1), r + t = 28
r + 6 = 28
r = 28 - 6
r = 22
Therefore, we can conclude that Richard is 22 years old and Teo is 6 years old.
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Given two points of a line, slope=
change in___
Over
change in___
You type 170 words per minute. How many minutes does it take you to type 3400 words?
Answer:
Step-by-step explanation:
3400/170 = 20 minutes.
Answer:
20 minutes
Step-by-step explanation:
3400 words / 170 wpm
20 minutes
round 287.9412 to the nearest tenth
Answer:
In 287.9412, 9 is at the tenth place. So , the answer is 287.9.
Step-by-step explanation:
in a study, the data you collect is weight in pounds. what is the level of measurement? nominal ordinal interval ratio
The level of measurements that the data we collect is weights in pounds is Ratio level.
The Ratio level of measurement: At this level of measurement, observations can have a value of zero as well as equal intervals. Although the characteristics are similar to those of interval level measurement, the zero in the scale distinguishes this sort of measurement from others. In the ratio level of measurement, the divisions between the points on the scale have an equivalent distance between them. We may confidently assert that 20 pounds are twice as heavy as 10 pounds. Ratio variables also have a meaningful zero-point.
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A rectangular exercise mat has a perimeter of 36 feet. The length of the mat is twice the width. Write and solve an equation to determine the length, in feet, of the mat. Then find the area, in square feet, of the mat.
Answer:
length = 12 feet , area = 72 ft²
Step-by-step explanation:
the perimeter (P) is the sum of the 4 sides of the rectangle.
let w be width then length is 2w
opposite sides of a rectangle are congruent , so
P = 2(2w) + 2w = 4w + 2w = 6w
given P = 36 , then
6w = 36 ( divide both sides by 6 )
w = 6
then
length = 2w = 2 × 6 = 12 feet
the area (A) of a rectangle is calculated as
A = length × width = 12 × 6 = 72 ft²