Answer:
Hamilton appeared he handed Mulligan a gun, took the rope and pulled the cannon toward American lines. Step-by-step explanation:
i looked it up
which of the following data sets would most likely have a negative association and a correlation coefficient between 0 and -1? a.) average seasonal temperature in the united states; air-conditioning costs for homes in the united states b.) number of miles driven by paul; number of gallons of gas used by paul's car c.) swimsuit sales throughout the year; sunscreen sales throughout the year d.) steepness of the appalachian trail; john's speed while hiking the appalachian trail
The correct option is c.) swimsuit sales throughout the year; sunscreen sales throughout the year.
Correlation coefficient is a measure of the strength and direction of a relationship between two variables. The correlation coefficient varies from -1 to +1. A correlation of -1 means that a negative association between two variables is perfect, while a correlation of +1 means that there is a positive association between two variables that is perfect. The closer the correlation coefficient is to 0, the weaker the association between two variables is. A correlation coefficient of 0 means that there is no relationship between two variables.From the given options, the data set that is most likely to have a negative association and a correlation coefficient between 0 and -1 is (c) swimsuit sales throughout the year and sunscreen sales throughout the year.The reason behind this is that when it's summer or a hot season, people tend to buy more swimsuits than sunscreen. And when it's winter or a cold season, people tend to buy more sunscreen than swimsuits. Hence, the correlation coefficient between swimsuit sales throughout the year and sunscreen sales throughout the year is most likely to be between 0 and -1 because there is an inverse relationship between these two variables.
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Answer:Steepness of Appalachian Trail; John’s Speed while hiking the Appalachian Trail
Step-by-step explanation:
The function f(x) = is translated using the rule (x, y) → (x – 6, y 9) to create a(x). which expression describes the range of a(x)? y > –9 y > –6 y > 6 y > 9
The function f(x) = \(\sqrt{x}\) is translated using the rule (x, y) → (x – 6, y+ 9) to create a(x), then the expression that describes the range of a(x) is y > 9. So, the correct answer is fourth option.
When the function f(x) = \(\sqrt{x}\) is translated by shifting the original function horizontally by a constant value (x - 6) and vertically by a constant value (y + 9), the range of the function remains the same. The vertical shift of +9 units does not affect the range of the function.
Therefore, the range of the translated function a(x) is the same as the original function f(x), which can be expressed as y > 9, indicating that the y-values are greater than 9. So, fourth option is the correct answer.
The question should be:
The function f(x) = \(\sqrt{x}\) is translated using the rule (x, y) → (x – 6, y+ 9) to create a(x). which expression describes the range of a(x)? y > –9 y > –6 y > 6 y > 9
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Can someone please explain this question to me?
The image is attached.
Answer:
13
Step-by-step explanation:
Given the expression;
2 1/3 : 4 1/3 = 7 : x
Wea re to look for x;
Convert to improper fractions;
7/3 : 13/3 = 7:x
7/3 * 3/13 = 7/x
7/13 = 7/x
Cross multiply
7x = 13 * 7
7x = 91
x = 91/7
x = 13
Hence the unknown value is 13
Nathan will add -7 to -5 then multiply the sum by -2.
Which product should he find?
4
24
-4
-24
Answer:
its positive 24
Step-by-step explanation:
-7+(-5)= -12
-12×(-2)= 24
The Ninoy Aquino International Airport (NAIA) and Singapore Changi Airport (SIN) are about 2,400 kilometers apart. A Singapore Airlines passenger plane leaves NAIA, traveling towards SIN at an average speed of 800 kilometers per hour. A Philippine Airline passenger plane leaves SIN at the same time, traveling toward NAIA, averaging 640 kilometers per hour. How long will it take them to meet?
The relative velocity of one plane with respect to the other plane is given
by the sum of the velocity of the two planes.
The time it would take the two planes to meet is \(\underline{1. \overline 6 \ km/hr}\)Reasons:
The distance between the two airports = 2,400 km
Speed of the plane from NAIA = 800 kilometer per hour
Speed of the plane coming from SIN = 640 kilometers per hour
Let t represent the time after which the two planes meet, we have;
800 × t + 640 × t = 2,400
\(\displaystyle t = \frac{2,400 \ km}{800 \ km/hr + 640 \ km/hr} = \frac{5}{3} \ km/hr = 1.\overline 6 \ km/hr\)
The time after which the two planes meet, t = \(\underline{1. \overline 6 \ km/hr}\)
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The coordinates of then vertical of parallelograms WXYZ are W(-2,3) , X(-1,0) , Y(5,2) and Z (4,5) the slope of
I’ll give brainliest
Answer:
The slope of WX and WY
Step-by-step explanation:
For us to have a rectangle, the angles at the edges equal 90
What this mean is that the width and the length are at 90 degrees
Hence, we can say that they are perpendicular to one another
Thus, we can calculate the slopes of both to drive home our point
Hence, by calculating the slopes of WX and WY, We can proof that we have a rectangle
20 applicants from a pool of 90 applications will be hired. How many ways are there to select the applicants who will be hired?
The ways are the \(C_{20} ^{90}\) which are we there to select the applicants who will be hired with the help of combination.
According to the statement
we have to find that the number of ways are there to select the applicants who will be hired.
So, For this purpose, we know that the
A combination is a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter.
Here we use the combination.
And from the given information:
20 applicants from a pool of 90 applications will be hired.
And according to this the combination becomes:
\(C_{20} ^{90}\)
then solve it
\(C_{20} ^{90} = \frac{90!}{20! (70!)}\)
\(C_{20} ^{90} = \frac{90*89*88*87*86*85*84*83*82!}{20*19*18*17*16*15*14!}\)
Then after solve it
\(C_{20} ^{90} = \frac{89*11*87*43*14*83*82!}{19*14!}\)
Now open another factorial
\(C_{20} ^{90} = \frac{89*11*87*43*14*83*82*81*80*79*78*77*76*75*74*73*72*71}{19*14*13*12*11*10*9*8*7*6*5*4*3*2*1}\)
Now solve this then
\(C_{20} ^{90} = {89*11*87*43*83*82*79*15*74*73*71}\).
So, The ways are the \(C_{20} ^{90}\) which are we there to select the applicants who will be hired with the help of combination.
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Identify potential solutions of the inequality 3x + 4 < 13. Select all that apply.
Answer:
3x+4<13
3x+4-4<13-4(3x<9) divide both sides by 33x/3< 9/3x < 3can anyone answer this with expanation?
18. ∆PQR =~ ∆RPA ( by SAS )
19. ∆DQR =~ ∆PQR ( by AAS )
20. ∆ARO =~ ∆PQO ( by AAS )
Math Help, due soon (homework)
Hey there!
First, we are given:
\(\frac{1\frac{1}{4}}{1\frac{3}{8}}\)
To make this easier, I am going to change the fractions in to decimals.
\(\frac{1.25}{0.375}\)
To get the unit rate, we can use proportions:
\(\frac{1.25}{0.375} = \frac{x}{1}\)
Using cross products, we know that...
\(1.25 * 1 = 0.375 * x\)
Now, we solve for \(x\):
\(1.25 * 1 = 0.375 * x\\ 1.25 = 0.375x\\ 3 \frac{1}{3} = x\)
Therefore, the unit rate is \(\frac{3\frac{1}{3} }{1}\)
Now, do the same with the other problem, and the unit rate is \(\frac{1\frac{4}{5} }{1}\)
Have a terrificly amazing day!!!
I will pick brainiest if you have the correct answer.
Answer: y=-6=-3(x-4)
Step-by-step explanation:
What are the slope and y-intercept for the equation: −4x+2y=−16
Answer:
slope = 2 , y- intercept = -8
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
given
- 4x + 2y = - 16 ( add 4x to both sides )
2y = 4x - 16 ( divide both sides by 2 )
y = 2x - 8 ← in slope- intercept form
with slope m = 2 and y- intercept c = - 8
Answer:
the slope is 2 and y-intercept is (0,-8)
Step-by-step explanation:
Step 1: is to subtract 2y from both sides, -4x+2y-2y=-16-2y
Step 2: Simplify, -4= -16-2y
Step 3: Divide both sides by -4, -4x/4=-16/-4-2y/-4
4x/4=x=1
The function h(x) is a transformation of the square root parent function,
f(x)=√x. What function is h(x)?
-5
5
-5-
h(x)
f(x)
K
I
5
Answer: \(h(x)=\sqrt{x+4}\)
Step-by-step explanation:
The graph of h(x) is the graph of f(x) shifted 4 units left.
I set z=t=0(x,y,z,t)
and I got a partial solution (0,1,0,0).
I solved two homogeneous matrices once for z=1
and t=0
, then for z=0
and t=1
and I got two solutions (1,1,1,0)
and (1,1,0,1).
Then, I got (0,1,0,0)+a∗(1,1,1,0)+b∗(1,1,0,1
)
Therefore, all possible results are (0,1,0,0),(1,0,1,0),(1,0,0,1),(0,1,1,1)
Would this be correct?
The correct set of possible results would be (0, 1, 0, 0), (1, 2, 1, 0) and (1, 2, 0, 1).
Your approach seems to be correct, but there seems to be a minor mistake in your final list of possible solutions. Let's go through the steps to clarify.
Given the initial conditions z=t=0, you obtained a partial solution (0,1,0,0).
Next, you solved the homogeneous equations for z=1 and t=0, which resulted in a solution (1,1,1,0).
Similarly, solving the homogeneous equations for z=0 and t=1 gives another solution (1,1,0,1).
To find the general solution, you combine the partial solution with the solutions obtained in the previous step, using parameters a and b.
(0,1,0,0) + a(1,1,1,0) + b(1,1,0,1)
Expanding this expression, you get:
(0+a+b, 1+a+b, 0+a, 0+b)
Simplifying, you obtain the following set of solutions:
(0, 1, 0, 0)
(1, 2, 1, 0)
(1, 2, 0, 1)
Therefore, the correct set of possible results would be:
(0, 1, 0, 0)
(1, 2, 1, 0)
(1, 2, 0, 1)
Note that (0, 1, 1, 1) is not a valid solution in this case, as it does not satisfy the initial condition z = 0.
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A random survey asked two samples of 100 high school students how much time they spend on homework each night. A 4-column table with 2 rows.
The time categories are divided into "<1 hour," "1-2 hours," "2-3 hours," and ">3 hours."
What does the frequency distribution in the table reveal about the homework habits of the two samples of high school students?
The frequency distribution in the table provides insights into the distribution of homework habits among the two samples of high school students. By examining the frequency counts in each time category, we can determine the proportion of students spending different amounts of time on homework each night. This information helps identify patterns and differences in homework habits between the two samples, allowing for a comparison of their study behaviors.
Here is an example of a 4-column table with 2 rows representing the results of a random survey asking two samples of 100 high school students about the amount of time they spend on homework each night:
Sample 1:
Sample 1 Number of Students
Time Frequency
<1 hour 20
1-2 hours 40
2-3 hours 30
>3 hours 10
Sample 2:
Sample 2 Number of Students
Time Frequency
<1 hour 30
1-2 hours 35
2-3 hours 20
>3 hours 15
In this table, each sample represents a different group of 100 high school students, and the frequency of students spending a particular amount of time on homework each night is recorded. The time categories are divided into "<1 hour," "1-2 hours," "2-3 hours," and ">3 hours." The table provides an overview of the distribution of homework time among the two samples of high school students.
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The table shows the linear relationship between the number of hours Francis worked, x, and
the amount of money Francis earned, y.
Answer: 14 per hour
Step-by-step explanation: divide amount earned by hours worked
Use the image to answer the question below.
Å
-2
W
Which equation best represents circle A?
Answer: C
Step-by-step explanation: (x+2) 2+(y-1) 2=3
What is the solution for -3w-4=w+4
Answer:
uhh
Step-by-step explanation:
carrot?
4x 10 > 6 solve inequalites
Answer:
40 is greater than 6
Step-by-step explanation:
4 It’s an inequality that I have confused myself on. Honestly I just need to see one like this solved I’m doing Algebra 2 online to get through it and its more self taught ig I’m probably overthinking it but help please?
The solution is x < 3, which means that any value of x less than 3 satisfies the inequality.
Solve the inequality 2x + 3 < 9.
Begin by isolating the variable. Subtract 3 from both sides:
2x + 3 - 3 < 9 - 3
2x < 6
Divide both sides of the inequality by 2 to solve for x:
(2x)/2 < 6/2
x < 3
When solving inequalities, the same rules apply as in solving equations, with one exception: if you multiply or divide both sides of the inequality by a negative number, you need to flip the inequality sign.
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the american bankers association reported that, in a sample of 120 consumer purchases in france, 60 were made with cash, compared with 26 in a sample of 50 consumer purchases in the united states. construct a 90 percent confidence interval for the difference in proportions. (round your intermediate value and final answers to 4 decimal places.)
We are 90% confident that the true difference in proportions between France and the United States falls between -0.1783 and 0.1383.
What is proportion?
The size, number, or amount of one thing or group as compared to the size, number, or amount of another. The proportion of boys to girls in our class is three to one.
The point estimate for the difference in proportions between France and the United States is:
p₁ - p₂ = (60/120) - (26/50) = 0.5 - 0.52 = -0.02
We can use the following formula to calculate the standard error of the difference in proportions:
SE = √(p₁ * (1 - p₁) / n₁ + p₂ * (1 - p₂) / n₂)
where n₁ and n₂ are the sample sizes.
SE = √((0.5 * 0.5 / 120) + (0.52 * 0.48 / 50))
SE = 0.0936
To construct a 90% confidence interval, we can use the formula:
(point estimate) ± (critical value) * (standard error)
The critical value for a two-sided 90% confidence interval with 169 degrees of freedom (calculated as df = (p₁ * n₁ + p₂ * n₂) / (p₁ + p₂)) can be found using a t-distribution table or calculator.
For a 90% confidence level, the critical value is approximately 1.656.
Using these values, the 90% confidence interval for the difference in proportions is:
-0.02 ± 1.656 * 0.0936
which simplifies to:
-0.1783 to 0.1383
Therefore, we are 90% confident that the true difference in proportions between France and the United States falls between -0.1783 and 0.1383.
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the line y=4x+5 is parallel to the line 2y=kx-6.find the value of k
. solve it I will mark u as brilliant
Answer:
5/100 , 7/2 ,4/5 321/100, 35/100, 607/1000, 3/2, 52/1
Step-by-step explanation:
The selling prices of 5 houses in one neighborhood were $114,000,
$150,000, $223,000, $198,000, and $139,000. Which conclusion is true?
A. The mean price was about 15,000 higher than the median price
B. The median price was about 15,000 higher than the mean price
C. The mean and medical prices were identical
D. The mean price was double the median price
Answer:
A. The mean price was about 15,000 higher than the median price.
Step-by-step explanation:
The Golf King Driving Range is installing a huge net to catch long golf drives. The poles to hold the net up are 50 feet high. The contractor needs to run a wire from the top of the pole to the ground to keep the poles and the net secure. This wire is called a guy wire. a. If the guy wire runs from the top of the pole to a point on the ground 22 feet from the base of the pole, how long must the guy wire be? Round up to the next highest foot. b. What is the slope of the guy wire, expressed as a fraction?
The guy wire must be about 55 feet long and the slope of the guy wire, expressed as a fraction is 25/11.
We can use the Pythagorean Theorem to find the length of the guy wire. Let's call the length of the guy wire "g".
g^2 = 50^2 + 22^2
g^2 = 2500 + 484
g^2 = 2984
g ≈ 54.65
So the guy wire must be about 55 feet long.
The slope of the guy wire is the ratio of the vertical distance it covers to the horizontal distance it covers. In this case, the vertical distance is 50 feet (the height of the pole) and the horizontal distance is 22 feet. So the slope is
50/22 = 25/11
Therefore, the slope of the guy wire is 25/11.
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Solve c=1/2 ab^2 for b
The answer and step by step explanation is in the image below. :)
Answer
c= (1a) 169)
Step 1: Flip the equation.
₴ab?=c
Step 2: Divide both sides by a/2.
1 ab?
2
a
2
C
a
2
12 = 2c
a
Step 3: Take square root. 2C or b=-
b=1
2C
a
Answer:
b= V
20 or b=-
a 2c
a
What is the missing statement in the proof? Scroll down to see the entire proof.
Given: ∆ABC with m∠ABC = 90°
A right triangle A B C.
Prove: AB2 + BC2 = AC2
Statement
Reason
1. Draw view diagram.
A right triangle A B C. Point D is at the midpoint of side A C. A line runs from D to B to form two right triangles A B D and D B C.
construction
2. ∠ ABC≅ ∠BDC
Angles with the same measure are congruent.
3.
Reflexive Property of Congruence
4. ∆ABC ~ ∆BDC
AA criterion for similarity
5.
Corresponding sides of similar triangles are proportional.
6. BC2 = AC × DC
cross multiplication
7. ∠ ABC ≅ ∠ADB
Angles with the same measure are congruent.
8. ∠ BAC ≅ ∠DAB
Reflexive Property of Congruence
9. ∆ABC ~ ∆ADB
AA criterion for similarity
10.
Corresponding sides of similar triangles are proportional.
11. AB2 = AC × AD
cross multiplication
12. AB2 + BC2 = AC × AD + AC × DC
addition
13. AB2 + BC2 = AC(AD + DC)
Distributive Property
14. AB2 + BC2 = AC × AC
segment addition
15. AB2 + BC2 = AC2
multiplication
A.
∠ BDC ≅ ∠ADB
B.
∠BCA ≅ ∠DCB
C.
∠ BAC ≅ ∠BAD
D.
∠ DBC ≅ ∠BAC
Answer:
Step-by-step explanation:
Option A: ∠ BDC ≅ ∠ADB is the missing statement in the proof.
This statement is needed to complete the proof by showing that triangles ∆ABC and ∆ADB are similar by the AA criterion.
f(θ) = 2 cos(θ) + cos2(θ), 0 ≤ θ ≤ 2π
To find the maximum and minimum values of the given function f(θ), we need to find its critical points and endpoints.
First, we take the derivative of f(θ) with respect to θ:
f'(θ) = -2 sin(θ) - 2 cos(θ) sin(θ)
Setting f'(θ) = 0, we get:
-2 sin(θ) - 2 cos(θ) sin(θ) = 0
Simplifying and factoring out -2 sin(θ), we get:
-2 sin(θ) (1 + cos(θ)) = 0
This gives us two critical points: θ = 0 and θ = π.
Next, we need to evaluate the function at the endpoints of the given interval [0, 2π]:
f(0) = 2 cos(0) + cos2(0) = 3
f(2π) = 2 cos(2π) + cos2(2π) = 3
Now we compare the values of f(θ) at the critical points and endpoints to find the maximum and minimum values:
f(0) = 3 (endpoint)
f(π) = 1 (critical point)
f(2π) = 3 (endpoint)
Therefore, the maximum value of f(θ) is 3 and the minimum value is 1.
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Item 9
Use the table to write a proportion.
Answer:
We need an attachment or more details to help you.
Step-by-step explanation:
Which are lines that will intersect? which are perpendicular lines? which are skew lines?
By using the concept of line, coplanar, non parallel lines always intersect
Definition of perpendicular and skew lines has been given
What is a line?
A geometrical object which has only length but no breadth and height is called a line
The lines which are coplanar and are not parallel will intersect at some point
Two lines are said to be perpendicular to each other if the angle between them is 90°
The lines which are not parallel, non coplanar at do not intersect are called skew lines.
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