Answer:
Plot the points on the graphing calculator, and then determine the regression equation.
That equation is y = .7725x + 5.0093 (to 4 decimal places).
So C is the correct answer.
A writer was paid $12,000 for a 2000-word article. Find the rate per word. A. $0.17 per word. $6.00 per word. $1.67 per word. $60.00 per word
Answer:
The rate per word is $6 per word
Step-by-step explanation:
12,000 divided by 2,000 is 6
Answer:
6.00 per word
Step-by-step explanation:
12,000/2,000=6
6x
2000*.17=340
2000*1.67=3,340
2000*60=120,000
how to calculate directly propotonal
Answer: Direct Proportion
In mathematical statements, it can be expressed as y = kx. This reads as “y varies directly as x” or “y is directly proportional as x” where k is constant in the equation. Example: y is directly proportional to x, when x = 15, y = 30.
To convert 5 to a fraction, what would the denominator be? ОА. 10 Ов. 5 Ос. О Od.1
Let /(20) = 3x - 1 and 9(9) 22 +3 and find g(/(x))
Select the correct response
9($(x)) = 5x + 2
9(f(x)) = 6x + 8
9(f(x)) = 6x + 1
9($(x)) = 5x - 4
Answer:
6x + 1
Step-by-step explanation:
g(f(x))
f(x) = 3x - 1
g(f) = 2x + 3
= 2(3x - 1) + 3
= 6x - 2 + 3
= 6x + 1
Write the um of 15 and 60 uing the greatet common factor and the ditributive property
The expression of the sum of two numbers 15 and 60 using greatest common factor along with distributive property is given by
15 ( 1 + 4 ) = 15 × 1 + 15 × 4.
Greatest common factor of 15 and 6 0 is :
Factors of 15 are 1, 3, 5, 15
Factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12,15, 20, 30, 60
Greatest common factor = 15
Distributive property standard form is :
A × ( B + C ) = AB + AC
Here
Sum of 15 and 60 is
= 15 + 60
= 15 × 1 + 15 × 4
= 15 ( 1 + 4 )
Distributive property using greatest common factor 15 we get:
15 ( 1 + 4 ) = 15 × 1 + 15 × 4
Therefore, the sum of 15 and 60 in distributive property form using greatest common factor is 15 ( 1 + 4 ) = 15 × 1 + 15 × 4.
The above question is incomplete , the complete question is:
Write the sum of 15 and 60 using the greatest common factor and the distributive property.
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For a test concerning a mean, a sample of size n =90 is obtained. In testing H0: u<=u0 versus H1: u>u0, the test statistic is 1.91. Find the p-value (round off to third decimal place).
The p-value for the given test is approximately 0.028, rounded off to the third decimal place.
To find the p-value for a test concerning a mean, where the sample size is n = 90 and the test statistic is 1.91, we need to determine the probability of observing a test statistic as extreme as or more extreme than the one obtained under the null hypothesis.
Since the alternative hypothesis is u > u0, we are conducting a right-tailed test.
The p-value is the probability of observing a test statistic greater than or equal to the observed test statistic under the null hypothesis.
To calculate the p-value, we can use the cumulative distribution function (CDF) of the appropriate distribution, which in this case is the t-distribution.
Since the sample size is large (n = 90), we can approximate the t-distribution with a standard normal distribution.
Using a standard normal distribution, we can find the p-value as follows:
p-value = 1 - CDF(t), where t is the observed test statistic.
p-value = 1 - CDF(1.91)
Calculating this using a standard normal distribution table or a statistical software, we find that the p-value is approximately 0.028.
Therefore, the p-value for the given test is approximately 0.028, rounded off to the third decimal place.
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Can someone help
Write an equivalent expression for
63.62.65.6.
When multiplying the same number raised to different powers add the powers together.
3 + 2 + 5 = 10
Because you are also multiplying a value without a power you need to add 1 to the sum of the powers:
10 + 1 = 11
Answer: 6^11
Tickets for a recent concert cost $20 for adults and 512 for kids. Total attendance for the concert was 840 and total ticket sales were $12.496. How many of each ticket type were sold? a. 2,912 adult tickets, -2,072 kid's tickets b. 212 adult tickets, 628 kid's tickets c. 302 adult tickets, 538 kid's tickets
d. 53 adult tickets, 787 kid's tickets
The solution is:
Number of adult tickets sold: 53
Number of kid's tickets sold: 787
To solve the problem, let's denote the number of adult tickets sold as A and the number of kid's tickets sold as K. We can then set up a system of equations based on the given information:
Equation 1: A + K = 840 (Total attendance)
Equation 2: 20A + 512K = 12,496 (Total ticket sales)
To find the solution, we can solve this system of equations using the method of substitution or elimination.
Let's go through the options provided:
a. 2,912 adult tickets, -2,072 kid's tickets:
Plugging the values into Equation 1: 2,912 + (-2,072) = 840, which is not true. The total attendance should be a positive number.
b. 212 adult tickets, 628 kid's tickets:
Plugging the values into Equation 1: 212 + 628 = 840, which is true.
Plugging the values into Equation 2: 20(212) + 512(628) = 12,496, which is true.
c. 302 adult tickets, 538 kid's tickets:
Plugging the values into Equation 1: 302 + 538 = 840, which is true.
Plugging the values into Equation 2: 20(302) + 512(538) = 12,496, which is true.
d. 53 adult tickets, 787 kid's tickets:
Plugging the values into Equation 1: 53 + 787 = 840, which is true.
Plugging the values into Equation 2: 20(53) + 512(787) = 12,496, which is true.
From the options provided, both options b and d satisfy both equations. However, we need to ensure that the number of tickets sold cannot be negative, so option d is the correct answer.
Therefore, the solution is:
Number of adult tickets sold: 53
Number of kid's tickets sold: 787
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How to solve this? Please someone help
Answer:
Step-by-step explanation:
So the sign means that y has to be less than or equal to x plus 9
if you wanted an answer an example could be
y = 1
x = 10
this works because if implemented into the equation
1 ≤ 10 + 9 which is true
The temperature dropped 4°F one hour later. What is the current
temperature if the temperature was 8°F one hour ago?
Answer: 4°F
Step-by-step explanation:
8-4=4
prove that theta=l/r radian
Which set of ordered pairs does not represent a function?
o{(-1,-9), (5,5),(-1,-6), (4,4)}
o {(8, –7),(-6,-9), (4,6), (7,-9)}
o {(5,7), (-4,1),(0,4), (-9,6)}
o{(-5,1), (8,0), (0,7), (5,7)}
Answer:
the first one because negative 1 repeat twice
If I have a Siberian Husky, then I have a dog." Identify the hypothesis
Answer:
the hypothesis is correct
Step-by-step explanation:
the sum of two numbers is 132 and their difference is 66 find the number
Answer:
99 and 33
Step-by-step explanation:
let x and y be the 2 numbers, with x being the larger of the 2, then
x + y = 132 → (1)
x - y = 66 → (2)
add (1) and (2) term by term to eliminate y
(x + x) + (y - y) = 132 + 66
2x + 0 = 198
2x = 198 ( divide both sides by 2 )
x = 99
substitute x = 99 into (1) and solve for y
99 + y = 132 ( subtract 99 from both sides )
y = 33
the 2 numbers are 99 and 33
Help me
For a drafting class, Keenan wants to horizontally center a figure
To horizontally center a figure, Keenan needs to determine the width of the figure and the width of the page. Then, he can subtract the width of the figure from the width of the page and divide the result by 2.
The quotient is the amount of space that needs to be left on either side of the figure for it to be centered horizontally.
In more detail, Keenan can follow these steps:
Determine the width of the figure.
Determine the width of the page.
Subtract the width of the figure from the width of the page.
Divide the result by 2.
The quotient is the amount of space that needs to be left on either side of the figure for it to be centered horizontally. By following these steps, Keenan can horizontally center his figure and ensure that it looks balanced on the page.
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How can we convert cm2 to m2?
To convert cm² to m², simply multiply the number of cm² by 0.0001. For example, if you have an area measurement of 2 cm², you would multiply 2 by 0.0001 to get 0.0002 m². It is also important to note that when converting cm² to m², you are essentially just moving the decimal place four places to the right.
The same result can be achieved by dividing the number of cm² by 10,000. For example, if you have an area measurement of 2 cm², you would divide 2 by 10,000 to get 0.0002 m2. Converting cm² to m² is a useful skill for anyone who uses the metric system for measuring area.
Converting cm² to m² is simple and straightforward. To begin, it is important to first understand the basic units of measure for area in the metric system. Centimeters squared (cm²) are the standard unit of measure for area in the metric system. One cm² is equal to 0.0001 m².
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Help me please I am having trouble figuring out the answer. Help me find the ratio.
Answer:
not equivalent to meteorologists ratio
Step-by-step explanation:
meteorologists ratio is
rainy days : sunny days = 2 : 5
last months weather is
rainy days : sunny days
= 10 : 20 ( divide both parts by LCM of 10 )
= 1 : 2 ← not equivalent to 2 : 5
(1)Two wells are a half-mile from each other. One intersects the water table at 300 feet while the other intersects the water table at 100 feet. What is the slope of the water table between the two wells in feet per mile? ft/mi
(2) Deer Creek is found in a mountainous area above a flat broad valley and flows for 8 km. The creek's source is found at 2700 meters above sea level and comes out onto the valley floor at 1290 meters above sea level. What is the slope of the stream?
(Round to two decimal places.) Calculate in meters per kilometer: m/km and then meters per meter m/m
(3) You are using a topographic map to do fieldwork in mountainous terrain. You need to hike over a ridge to get to the field area that you are interested in. The trail to the place you want to be is about 3.5 inches on the map, which has a scale of 1:24000.
How many inches on the ground does 3.5 inches on the map represent? (Round your answer to the nearest inch)
How many feet does 3.5 inches on the map represent? (Round your answer to the nearest foot.)
How many miles does 3.5 inches on the map represent? (Round your answer to the nearest tenth of a mile.)
1. The slope of the water table between the two wells can be calculated by determining the difference in water table levels and dividing it by the distance between the wells. 2. The slope of Deer Creek can be determined by calculating the difference in elevation between its source and the valley floor and dividing it by the length of the creek. 3. To determine the ground measurements corresponding to 3.5 inches on the map, we need to use the map's scale. The scale of 1:24000 means that 1 inch on the map represents 24000 inches on the ground.
1. To calculate the slope of the water table between the wells, we subtract the water table level at one well (100 feet) from the level at the other well (300 feet), resulting in a difference of 200 feet. Since the wells are half a mile apart (2640 feet), we divide the difference in water table levels by the distance between the wells, giving us a slope of approximately 0.076 ft/mi.
2. The slope of Deer Creek can be determined by subtracting the elevation of its source (2700 meters) from the elevation at the valley floor (1290 meters), resulting in a difference of 1410 meters. Since the creek flows for 8 kilometers, we divide the elevation difference by the length of the creek, giving us a slope of approximately 176.25 m/km or 0.176 m/m.
3. To determine the ground measurements corresponding to 3.5 inches on the map, we use the scale of 1:24000. Since 1 inch on the map represents 24000 inches on the ground, 3.5 inches on the map would represent 84000 inches on the ground, which is approximately 7000 feet or 1.32 miles.
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2x-9y=8 -5x+8y=20 find x and y
9514 1404 393
Answer:
(x, y) = (-244/29, -80/29)
Step-by-step explanation:
A graph (2nd attachment) shows the solution to be non-integer values, so we'll use the "cross multiply method" to find the solution.
Rewriting the equations to general form gives ....
2x -9y -8 = 0
5x -8y +20 = 0
Writing the coefficients in two rows of four, we have the table as in the first attachment. (The first column is repeated as the 4th column.)
Now, the cross product differences are formed. Each "orange" cross product difference is the difference of the product of "blue" coefficients and the product of "yellow" coefficients. The same formula is copied to the right.
These difference numbers go, left to right, into the form ...
1/p1 = x/p2 = y/p3 . . . . . . where p1, p2, p3 are the cross product differences
In this problem, the solution is ...
x = -244/29 ≈ -8.414
y = -80/29 ≈ -2.759
a rectangular bin 4 feet long, 3 feet wide, and 2 feet high is solidly packed with bricks whose dimensions are 8 inches by 4 inches by 2 inches. the number of bricks in the bin is
In the trash can, there are 648 bricks. when the measurements are 8 by 4 by 2 The right response is so (C).
This same total mass of a three-dimensional shape is referred to as its porous structure. A cuboid with six rectangular faces has a surface area equal to the sum of the areas of each face. The cuboid's length, width, and height can also be labeled, and indeed the surface area (SA) can indeed be calculated using the equation SA=2lw+2lh+2hw.
Based on this equation, surface area is equivalent to two times overall combination of width and length, two times its products of length and height, and two times the ratio of both height and width.
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What is the longest triangle side called?
Answer:
The Hypotenuse
Step-by-step explanation:
The Hypotenuse is the longest side of a Triangle.
Can someone give me the formula of compound profit?
Answer:
P (1 + r/n)^(nt)
Step-by-step explanation:
Answer:
A = P(1+r/n)nt
(note the r/n is a fraction)
Step-by-step explanation:
if function g has the factors (x-7) and (x+6), what are the zeros of the function g?
Answer:
7 & -6
Step-by-step explanation:
x - 7 = 0 → x = 7
x + 6 = 0 → x = - 6
g(x) = a (x - 7 )(x + 6)
does listening to mozart lead to higher scores on an iq test? an experiment involved listening to mozart while performing abstract reasoning skills on an iq test. these results were compared to the completion of similar tasks with a silent background. the mean iq scores were 1.2 points higher after listening to mozart than with the silent background. the p-value for the test was calculated to be 0.0004. can we conclude that listening to mozart will lead to much higher scores on iq test?
We cannot conclude that listening to Mozart will lead to much higher scores on an IQ test based on the given information.
While the mean IQ scores were 1.2 points higher after listening to Mozart, the statistical significance of this difference depends on the chosen level of significance (alpha level) and the sample size. The p-value of 0.0004 indicates that if there is no difference in IQ scores between the Mozart and silent background conditions in the population, there is only a 0.04% chance of observing a sample mean difference of 1.2 points or larger. However, we would need to know the alpha level and sample size used in the study to determine if this is statistically significant at a practical level. Additionally, this experiment only shows a correlation between listening to Mozart and higher IQ scores, and cannot prove causation.
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Estimate the product 48 x 32. Round each factor to the nearest ten.
Answer:
1500
Step-by-step explanation:
48-50
32-30
50 times 30 = 1500
It is estimated that 40% of households own a riding lawn mower. A sample of 12 households is studied. What is the probability that more than 9 of these own a riding lawn mower
kate and jean paint a house together in 6 days
Answer:
Okay? whats the question
Step-by-step explanation:
Compare the budgets of Hong Kong, United States of America, and
Korea based on your definition of a budget, in terms of contents,
formats, advantages, and disadvantages, etc.
The budgets of Hong Kong, the United States of America, and Korea differ in contents, formats, advantages, and disadvantages. While each budget has its strengths and weaknesses, they all aim to provide a clear and transparent financial plan for their respective countries.
A budget is a financial plan that estimates expected income and expenditure for a specific period. It may include income, expenses, debts, and savings. Budgets may vary from country to country and can be analyzed by comparing their contents, formats, advantages, and disadvantages. Here are the budgets of Hong Kong, the United States of America, and Korea:
Hong Kong Budget:United States Budget:
Contents: The US budget comprises revenue, expenditures, and deficit or surplus. It includes an analysis of taxes, social security, and Medicare.Format: The US budget is presented in a complex and lengthy format, including tables, graphs, and other financial documents.Advantages: The budget provides detailed information on tax expenditures and encourages public participation in the budget process.Disadvantages: The budget can be challenging to understand due to its complexity, and it may not provide an accurate depiction of federal spending.Korean Budget:
Contents: The Korean budget comprises revenue, expenditures, and surplus or deficit. It includes detailed information on taxes, social security, and public welfare.Format: The Korean budget is presented in a clear and concise format, including tables and charts to aid understanding.Advantages: The budget is easy to understand, and it promotes transparency and accountability. It also provides detailed information on social welfare expenditures.Disadvantages: The budget may not provide an accurate depiction of government spending, and it may not include information on hidden expenditures.Learn more about Budget:
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Please Help Me This Is For My Mid-Term I Give You 50 points
Answer:
100 miles (A)
Step-by-step explanation:
determine where the lines intersect.
Can you rearrange the standard form of the equation below into y = mx + b by isolating y.
5x-2y=6
Plz need answers
Answer:
y = mx+c
or
y = mx+c
you need y to have no coefficients and also you need y to be alone and a positive number
5x - 2y = 6
move 5x to the right
-2y = -5x + 6
divide both sides by -2
y = (5/2)x - 3