Answer: second one, then the 4th one
Step-by-step explanation:
one of the terms in the binomial (b+Tv)^n is 3075072b^5v^10. What are the values of T and n?
Answer:
T is 5 and n is 10
Step-by-step explanation:
just relate the (b+Tv)^n with 3075072b^5v^10
the solomon four-group design utilizes how many control groups?
The Solomon four-group design includes two control groups: one that is not pretested and does not receive treatment, and another that is not pretested but receives treatment.
In the Solomon four-group design, there are two treatment groups and two control groups. The purpose of this design is to examine the interaction effect between pretesting and treatment.
The first control group does not receive any treatment, while the second control group also does not receive treatment but is pretested. These two control groups help to measure the impact of pretesting on the dependent variable.
The two treatment groups receive the treatment being studied, with one group being pretested and the other group not being pretested. By comparing the pretested and non-pretested treatment groups, researchers can determine if there is an interaction effect between pretesting and the treatment.
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A grandma has three grandchildren.Sara, Whitney, and Hannah. Whitney is 3 years younger than Sara. Hannah is half as old as Whitney. Hannah's age pplus Whitney's age equals Sara age. How old is each granddaughter? Let x = Whitney's age in years
Answer:
Whitney = 6
Sara = 9
Hannah = 3
Step-by-step explanation:
Let :
Whitney = x
Sara = x + 3
Hannah = x / 2
Hannah's age + Whitney's age = Sarah's age
x / 2 + x = x + 3
1.5x = x + 3
1.5x - x = 3
0.5x = 3
x = 3/0.5
x = 6
Whitney = 6
Sara = x +3 = 6 + 3 = 9
Hannah = x/2 = 6/2 = 3
Points: 0 of 1 Save A survey was conducted that asked 1005 people how many books they had read in the past year. Results indicated that x = 13.5 books and s = 16,6 books Construct a 95% confidence interval for the mean number of books people read Interpret the interval Construct a 95% confidence interval for the mean number of books people read and interpret the result. Select the correct choice below and fu in the answer boxes to complete your choice (Use ascending order. Round to two decimal places as needed.) O A. There is 95% confidence that the population mean number of books read is between OB. There is a 95% probability that the true mean number of books read is between OC. If repeated samples are taken, 95% of them will have a sample mean between and and and
The 95% confidence interval for the mean number of books people read is approximately (12.47, 14.53). This means that we are 95% confident that the true population mean number of books read falls within this interval.
To construct a 95% confidence interval for the mean number of books people read, we can use the sample mean (x = 13.5 books), the sample standard deviation (s = 16.6 books), and the sample size (n = 1005).
The formula for a confidence interval for the mean is:
Confidence Interval = x ± (z * (s / sqrt(n)))
Here, z is the critical value corresponding to the desired level of confidence. For a 95% confidence interval, the critical value is approximately 1.96.
Substituting the given values into the formula:
Confidence Interval = 13.5 ± (1.96 * (16.6 / sqrt(1005)))
Calculating the interval:
Confidence Interval ≈ 13.5 ± (1.96 * 0.523)
Interpreting the result:
The 95% confidence interval for the mean number of books people read is approximately (12.47, 14.53). This means that we are 95% confident that the true population mean number of books read falls within this interval.
Note: The correct choice for the provided options is:
O A. There is 95% confidence that the population mean number of books read is between 12.47 and 14.53.
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Let x represent the number of pages left to be read in a book consisting of 780 pages.
Which of the following is the domain of x?
A. The set of all integers between 0 and 750 inclusive
B. The set of integers
C.the set of whole numbers
D. The set of all real numbers between 0 and 750 inclusive
E the set of real numbers
Answer:
E.
Step-by-step explanation:
not sure sorry...anyone help this
Ryan is riding his bike. he biked a distance of 12 miles at a rate of 4 miles per hour. rearrange the distance formula, d = rt, to solve for ryan's time in minutes. (1 hour = 60 minutes) 480 minutes 180 minutes 8 minutes 3 minutes
(B) 108 minutes is Ryan's time.
What do we mean by the distance formula?Distance is a numerical measure of the distance between two objects or points. The distance can be a physical length or an estimate based on other criteria in physics or everyday usage. The distance between two points A and B are sometimes denoted as |AB|.The distance formula: d = rtSo,
To begin, consider the distance formula: d = rtDividing by the coefficient of t yields the following equation for t: t = d/rRyan's rate of 4 miles per hour can be voiced in minutes as 4 miles per 60 minutes.
Ryan's time:
t = (12 mi)/(4 mi/60 min) = 12·60/4 min = 180 minTherefore, (B) 108 minutes is Ryan's time.
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The correct question is given below;
Ryan is riding his bike. He biked a distance of 12 miles at a rate of 4 miles per hour. Rearrange the distance formula, d = rt, to solve for Ryan's time in minutes.
a. 480 minutes
b. 180 minutes
c. 8 minutes
d. 3 minutes
Jerry’s grandmother worked in a department store for many years. Now that she has retired,she receives a monthly Social Security check.Jerry’s grandmother and her employer paid a tax during her working years that helped fund Social Security. Which is the tax?
Find the tangent of ZJ and the cotangent of ZK.
The trigonometric ratios are
tan J = (10√35 / 37 )
cot J = 37/ (10√35)
What is the trigonometric ratio?
Trigonometric ratios are the ratios of a right triangle's sides. The sine (sin), cosine (cos), and tangent (tan) are three often used trigonometric ratios. There are other trigonometric ratios which are reciprocals of these ratios.
Sin J =opposite/hypotenuse
Sin J = √35/ 7
=> J = sin^-1( √35/ 7 )
=> J= 57.68 degrees
tan J = opposite/adjacent = √35/IJ
=> tan (57.68) = √35/IJ
=> 1.5806 = √35/IJ
=> IJ = √35 / 1.5806 = 3.74
=> IJ = 37/10
tan J = √35 / (37/10 ) = (10√35 / 37 )
cot J = 1/tan J = 1/(10√35 / 37 ) = 37/ (10√35)
The trigonometric ratios are
tan J = (10√35 / 37 )
cot J = 37/ (10√35)
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Solve for m
please help
Answer:
∠ ADE = 59°
Step-by-step explanation:
The angles in a rectangle are right angles, then
∠ ABC = 90° , that is
4x + 15 + 13x + 7 = 90
17x + 22 = 90 ( subtract 22 from both sides )
17x = 68 ( divide both sides by 17 )
x = 4
Then
∠ CBE = 13x + 7 = 13(4) + 7 = 52 +7 = 59°
Since the sides in a rectangle are parallel then
∠ ADE = ∠ CBE ( alternate angles )
∠ ADE = 59°
Cara earn a bae pay of $1,800 per month at a car dealerhip plu a commiion of 6% of her ale. What are Cara' total earning in a month in which he ale $40,000 worth of merchandie?
Using the concept of percentages the total earning of Cara can be found to be $4200.
What are percentages?Percentage is a number expressed as a fraction of 100. The % sign means to divide the number by 100.
How to solve percentages?Cara's earning = commission + basic salary
basic salary = $1800 (this is constant)
commission = 6% of $40000
= (6/100)*40000
= $2400
Cara's earning = 1800 + 2400
Hence, her earning is $4200
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How to calculate steps in a mile?
Answer:
2,000 steps.
Step-by-step explanation:
the distance from city a to city b is 256.8 miles. the distance from city a to city c is 739.4 miles how much farther is the trip to city c than the trip to city b
Taking a difference, we can see that the trip to city C is 482.6 mi longer.
How much farther is the trip to city c than the trip to city b?
Here we know that the distance from city a to city b is 256.8 miles, and the distance from city a to city c is 739.4 miles
To find how much farther is the trip to city c than the trip to city b, we just need to take the difference between the two distances above.
That means that we need to take the distance to city c and subtract the distance to city b.
We will get:
739.4 mi - 256.8 mi = 482.6 mi
The trip to city C is 482.6 mi more than the trip to city B.
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Write the sentence as an equation.
292 decreased by p is the same as 27
Type a slash (/)if you want to use a division sign.
A map of an amusement park is shown on the coordinate plane with the approximate location of several rides.
coordinate plane with points at negative 14 comma 1 labeled Woozy Wheel, negative 6 comma 2 labeled Bumper Boats, negative 2 comma negative 4 labeled Roller Rail, negative 2 comma negative 6 labeled Trolley Train, 2 comma negative 3 labeled Silly Slide, and 6 comma 11 labeled Parachute Plunge
Determine the distance between the Bumper Boats and the Parachute Plunge.
15 units
225 units
8 units
63 units
help pls i dont have lot of time!
The distance between the Bumper Boats and the Parachute Plunge is given by:
15 units.
What is the distance between two points?Suppose that we have two points with coordinates given yb \((x_1,y_1)\) and \((x_2,y_2)\). The shortest distance between them is given by the following rule:
\(D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\)
This formula is derived from the Pythagorean Theorem, as the points form a right triangle in the xy-plane, with the hypotenuse representing the distance between them.
In the context of this problem, the coordinates of the Bumper Boats and of the Parachute Plunge are given as follows:
Bumber Boats: (-6, 2).Parachute Plunge: (6, 11).Hence the distance between these two points is given as follows:
\(D = \sqrt{(6 - (-6))^2+(11 - 2)^2}\)
D = sqrt(12² + 9²)
D = 15 units.
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Answer: its 225
Step-by-step explanation: you should try it and find out. / I did
The mean exam score for 49 male high school students is 239 and the population standard deviation is 47 The mean exam score for 53 female high school students is 21.1 and the population standard deviation is 4.3. At α=001, can you reject the claim that male and female high school students ha equal exam scores? Complete parts (a) through (e). Click here to view page 1 of the standard normal distribution table. Click here to view. page 2 of the standard normal distribution table. A. Male high school students have lower exam scores than female students B. Male and temale high school students have different exam scores. C. Male and female high school students have equal exam scores D. Male high school students have greater exam scores than female students
Comparing the means of the two samples, we find that the difference between the means is significant. Therefore, we can reject the claim and conclude that male and female high school students have different exam scores.
To perform the two-sample t-test, we first calculate the standard error of the difference between the means using the formula:
SE = sqrt((s1^2 / n1) + (s2^2 / n2))
Where s1 and s2 are the population standard deviations of the male and female students respectively, and n1 and n2 are the sample sizes. Plugging in the values, we have:
SE = sqrt((47^2 / 49) + (4.3^2 / 53))
Next, we calculate the t-statistic using the formula:
t = (x1 - x2) / SE
Where x1 and x2 are the sample means. Plugging in the values, we have:
t = (239 - 21.1) / SE
We can then compare the t-value to the critical t-value at α = 0.01 with degrees of freedom equal to the sum of the sample sizes minus 2. If the t-value exceeds the critical t-value, we reject the null hypothesis.
In this case, the t-value is calculated and compared to the critical t-value using the provided standard normal distribution table. Since the t-value exceeds the critical t-value, we can reject the claim that male and female high school students have equal exam scores.
Therefore, the correct answer is:
B. Male and female high school students have different exam scores.
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Due rn !!
1.) 1 - c = ?
c=0.24
20 points !!
Answer:
0.76
Step-by-step explanation:
Since C= 0.24 input that into the equation
1 - 0.24 = 0.76
what kind of triangle is 6, 8, and 9
Answer:
equiangular -right -obtuse -acute.
1. Alex and chris share sweets
In ratio Alex : Chris= 7:3
Work out the number of
Sweets chris recieves.
Using ratios, we can conclude that Chris gets 12 sweets.
What are ratios?In mathematics, a ratio shows how many times one number is represented by another. If there are eight oranges and six lemons in a bowl of fruit, the proportion of oranges to lemons would be eight to six. 8:14 for oranges and 6:8 for lemons, respectively, are the ratios of oranges to the total amount of fruit.So, a number of sweets Chris receive:
Alex : Chris = 7:3Let, Chris sweets be 'x' and Alex sweets be 'x + 20'Now, 7:3 = x+20:x, solve as follows:
7:3 = x+20:x7/3 = x+20/x7x = 2x + 607x - 2x = 605x = 60x = 60/5x = 12
Therefore, using ratios, we can conclude that Chris gets 12 sweets.
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The correct question is given below:
Alex and Chris share sweets in the ratio Alex: Chris = 7 : 3. Alex receives 20 more sweets than Chris. Work out the number of sweets Chris receives.
[45-4]
C: ~(C & D)
1: ~A
2: (A V B) <-> C
3: ~B
If ~A and ~B are true, then either ~C or ~D is also true. This means that if any two of the three propositions, ~A, ~B, and ~(C & D), are true, then the third proposition must be true.
GivenC: ~(C & D)1: ~A2: (A V B) <-> C3: ~B
Thus, to get the solution for this problem, we will consider the following proposition P for C.
P: C & D
We will apply De Morgan's Law to P to get its negation.
~(C & D) = ~C V ~D
Also, we can apply bi-conditional equivalence to proposition 2.
(A V B) <-> C = (A V B) -> C & C -> (A V B)
By applying the logical operator implication to the first part of the bi-conditional equivalence, we get
(A V B) -> C is equivalent to ~C -> ~(A V B)
Using De Morgan's law, we get
~(A V B) = ~A & ~B
Thus, the contrapositive of the implication can be written as
~C -> ~A & ~B
So, the premises can be rewritten as
~C V ~D ~A ~B
We can now apply the resolution rule of inference to the premises to get the
We have given three propositions. Propositions 1, 2, and 3 state that ~A, (A V B) <-> C, and ~B, respectively. We have also been given another proposition, C: ~(C & D), which is negated.Using the bi-conditional equivalence of proposition 2 and applying the logical operator implication, we can rewrite it in the form ~C -> ~A & ~B. Also, we have P: C & D, which we have negated to ~C V ~D. Applying the resolution rule of inference to these four propositions, we get the Main Answer as ~A V ~D.
Thus, the conclusion can be drawn as follows:
If ~A and ~B are true, then either ~C or ~D is also true. This means that if any two of the three propositions, ~A, ~B, and ~(C & D), are true, then the third proposition must be true.
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What type of equipment did police use in 1918
Answer:
Police officers, whether plain-clothed or uniformed, carry a variety of equipment with them on service calls. Police in uniform carry much more equipment than those in plain clothes, and members of special operations teams, such as SWAT and crowd-control units, carry even more, sometimes including full body armour complete with helmet, leg pads, and shield.
Step-by-step explanation:
hope it helped!
p.s it would be cool it you would give me brainliest
Suppose a bus always arrives at a particular stop between 8:00 AM and 8:10 AM. Find the probability that the bus will arrive tomorrow between 8:00 AM and 8:02 AM..
Therefore, the probability that the bus will arrive tomorrow between 8:00 AM and 8:02 AM is 20%.
To find the probability that the bus will arrive tomorrow between 8:00 AM and 8:02 AM, we need to consider the time range during which the bus could arrive.
The bus always arrives between 8:00 AM and 8:10 AM, which means there are 10 minutes in total for the bus to arrive.
The desired time range is between 8:00 AM and 8:02 AM, which is a 2-minute interval.
To find the probability, we divide the desired time range (2 minutes) by the total time range (10 minutes):
Probability = Desired time range / Total time range
= 2 minutes / 10 minutes
= 1/5
= 0.2
= 20%
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in a library,30% books are fiction.what percentage are non fiction.if their are 50000 books in the library how many are fiction
Answer:
70% non-fiction15,000 fictionStep-by-step explanation:
Given 30% of the 50,000 books in the library are fiction, you want to know the percentage that are non-fiction, and the number of fiction books.
TotalThe total of all books in the library is 100%, so if 30% are fiction, the remaining number are not:
100% -30% = 70% . . . . are non-fiction
NumberThe number of fiction books is found by multiplying the total number by the fraction that are fiction:
fiction books = 50,000 × 0.30 = 15,000
There are 15,000 fiction books in the library.
<95141404393>
Is cleaning the measuring instrument not necessary?
It is necessary to clean the measuring instrument the moving parts of the measuring device may be harmed if airborne dust or dirt gets inside of it. Additionally, if any foreign objects are present between the measurement target and the measuring device, precise measurements may be affected.
what is measuring instrument?A measuring instrument is a tool used to quantify anything tangible. The act of obtaining and comparing physical amounts of actual objects and occurrences is known as measuring in the physical sciences, quality control, and engineering. Vernier calipers, micrometers, dial gauges, gauges of various types, bubble levels, protractors, and rulers are some of the primary goods that fall under the category of measurement instruments. These equipment are employed in the production process and for quality assurance.
It is necessary to clean the measuring instrument the moving parts of the measuring device may be harmed if airborne dust or dirt gets inside of it.
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16 x 6 equals 92 How do I find 6?!?
The area of the rectangle would be 96 square inches.
Option (D) is correct.
What is the area of the rectangle?
The formula for the area of a rectangle is:
Area = length x width
where length is the distance along the longer side of the rectangle and width is the distance along the shorter side of the rectangle.
In the given figure,
The length of the rectangle = 8 + 8 = 16 inches.
Now by using the Pythagoras theorem, we can find the height
\(Height= \sqrt{(10)^2-(8)^2} \\\\=\sqrt{100-64}\\\\=\sqrt{36}\\\\=6\)
So the base would be 6 inches.
Now we can find the area of the rectangle
Area = 16 * 6
Area = 96 square inches.
Hence, the area of the rectangle would be 96 square inches.
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. A two-dimensional incompressible flow is defined with the velocity functions u=2xy-t² v=x²-y²+10t a. Check if the flow is physically possible. b. If possible, check if the flow is rotational or not. c. If possible, derive the velocity potential function. d. If possible, derive the stream function of the flow. e. Is the flow permanent?
a. The flow is physically possible, b. The flow is rotational, c. The velocity potential function is φ(x,y) = x^2y - xt^2 + yt^2, d. The stream function is ψ(x,y) = x^2 - y^2 + 10xyt, e. The flow is not permanent.
a. The flow is physically possible because the velocity field is defined everywhere and is continuous.
b. The flow is rotational because the curl of the velocity field is not zero. The curl of the velocity field is given by:
curl(u,v) = (-2y + 20t, 2x - 20t, 0)
The curl is not zero because the z-component is not zero. This means that the flow has vorticity, which is a measure of how much the fluid is rotating.
c. The velocity potential function is given by:
φ(x,y) = x^2y - xt^2 + yt^2
The velocity potential function is a scalar field that can be used to calculate the velocity field. The velocity field can be calculated using the following formula:
u = -grad(φ)
v = -grad(ψ)
where φ and ψ are the velocity potential functions.
d. The stream function is given by:
ψ(x,y) = x^2 - y^2 + 10xyt
The stream function is a scalar field that can be used to calculate the streamlines of the flow. The streamlines are the curves that are tangent to the velocity field.
e. The flow is not permanent because the velocity field is not time-independent. The velocity field depends on the time variable t. This means that the flow will change over time.
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How is gross pay different than net pay?
Answer:
Gross pay is what employees earn before taxes, benefits and other payroll deductions are withheld from their wages. The amount remaining after all withholdings are accounted for is net pay or take-home pay.
The price of a ceramic bead necklace (y) is directly proportional to the number of beads (x) on the necklace. Using the graph, which TWO statements are correct?
A) (0, 0) represents the unit rate.
B) (0, 1) represents the unit rate.
C) (1, 0.80) represents the unit rate.
D) (20, 25) represents the price of a necklace with 20 beads.
E) (25, 20) represents the price of a necklace with 25 beads.
first to answer correctly gets brainlest
Answer:
B and E are correct
Step-by-step explanation:
Don deposited $3,500 for 5 years on 2.40% yearly interest rate in his saving account. How much interest will he earn?
Answer:
$4200 is the answer
Step-by-step explanation:
If you multiple $3500x5x2.4
3500x5= 17,500
17,500x2.4= $42,000
One possible path from the school to the park is shown on the map. One
bench must be placed at a distance of the way from the school to the park.
The second bench must be placed at a distance of the way from the school
to the park.
Which two points are placed at locations along the path that meet these
requirements.
Point A
Point B
Point C
Point D
Point E
Answer:
I think point b but egh
Step-by-step explanation:
im not really for sure...
The type of sampling method in which a sample frame is divided into groups, which are highly similar to the others is:
The type of sampling method in which a sample frame is divided into groups, which are highly similar to the other
Simple random sampling.According to the given question, we are asked to show the name which is given to the type of sampling method in which a sample frame is divided into groups, which are highly similar to the other.
As a result of this, when a sample frame is divided into groups which are very similar to each other, then this is a simple random sampling.
In this method, we can see that there are different types of random sampling techniques which includes:
Simple random samplingStratified random samplingCluster random samplingSystematic random samplingTherefore, the correct answer is Simple random sampling.
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