Answer:
The sides could be 9, 8, and 5 cm respectively.
Step-by-step explanation:
In online surveys, calculating response rates can be a problem due to the:
A. close interaction of researchers with data collection vendors to identify and target participation from specific groups.
B. inadequate number of individuals in organized panels of respondents.
C. possibility of recruitment of participants outside the official online data collection vendor.
D. ban on use of radio buttons, pull-down menus for responses, and the use of visuals.
E. application of graphics and animation.
Response rates in online surveys can be problematic due to the inadequate number of individuals in organized panels of respondents. An organized panel of respondents is a group of individuals who are willing to participate in online surveys, but there are limited numbers of such individuals.
The low response rates may lead to bias results, lower precision, and increased variability, resulting in inaccurate findings. Researchers might also find it challenging to calculate the response rates when the data collection vendor is recruiting participants outside the official online data collection vendor.Response rates are usually determined by the number of surveys completed in relation to the total number of potential respondents in a sample. The greater the number of individuals who complete the survey, the greater the response rate. There might be a problem calculating response rates if data collection vendors identify and target participation from specific groups of individuals.
The use of radio buttons, pull-down menus for responses, and the use of visuals have no effect on calculating response rates. However, graphics and animation might affect survey response rates if they cause technical problems or distraction to the respondent while participating in the survey.
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help pls math question
Step-by-step explanation:
Florence Nightingale OM RRC DStJ was an English social reformer, statistician and the founder of modern nursing. Nightingale came to prominence while serving as a manager and trainer of nurses during the Crimean War, in which she organised care for wounded soldiers at Constantinople.
5 positive integers that have a mode of 4, a median of 7, a mean of 7 and a range of 8.
Answer:
Mean, median, mode is 7 and the range is 4
Step-by-step explanation:
a matrix consisting entirely of zeros is called a
A matrix consisting entirely of zeros is called a zero matrix, or an all-zero matrix.
It is denoted with the symbol O and can be written in a matrix form, such as O = [0 0 0 0] where the number of columns and rows depends on the size of the matrix. A zero matrix is a matrix which has all its elements equal to zero. It has a number of special properties that make it useful in linear algebra. For instance, the sum of any two zero matrices is a zero matrix, and any scalar multiple of a zero matrix is a zero matrix. Additionally, the product of two zero matrices is a zero matrix, and the product of a zero matrix and an identity matrix is a zero matrix. These properties make it useful in solving systems of linear equations where all the coefficients are zero. Finally, the inverse of a zero matrix does not exist since its determinant is zero.
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Is y=x-3 and x-y=8 parallel
Answer:
Yes
Step-by-step explanation:
Yes, the lines represented by the equations y=x-3 and x-y=8 are parallel. To see why, you can write both equations in slope-intercept form, which is y=mx+b, where m is the slope and b is the y-intercept. For the equation y=x-3, the slope is 1 and the y-intercept is -3. For the equation x-y=8, you can solve for y to get y=x-8, so the slope is also 1 and the y-intercept is -8. Since the slopes are equal, the lines are parallel.
During a science investigation six students divided 15 pounds of potting soil equally write an equation that shows how many pounds is a potting soil each student received between which two whole numbers does your answer lie
Answer: it lies between 2 and 3.
Step-by-step explanation:
You equation should be like this because what you wrote is not an equation.
15/6= p where P is the number of pounds each student received.
p=2.5
Lillian has 8 jars each with 240 milliliters of apple cider vinegar. How many liters of vinegar is in all 8 jars?
1 L = 1000 mL
Answer: 0.24 liters
Step-by-step explanation:
since we have 240 mL, we know that the answer would be ”less than one”
so all you need to do is 240/1000 with is 0.24.
hope this helps !
A school purchased sand to fill a sandbox on its playground. The dimensions of the sandbox in meters and the total cost of the sand in dollars are known. Which units would be most appropriate to describe the cost of the sand?
The most appropriate units to describe the cost of the sandbox would indeed be dollars.
When describing the cost of an item or service, it is essential to use the unit that represents the currency being used for the transaction. In this case, the total cost of the sand for the school's sandbox is given in dollars. To maintain consistency and clarity, it is best to express the cost in the same unit it was provided.
Using dollars as the unit for the cost allows for clear communication and understanding among individuals involved in the transaction or discussion. Dollars are widely recognized as the standard unit of currency in many countries, including the United States, where the dollar sign ($) is commonly used to denote monetary values.
Using meters, the unit for measuring the dimensions of the sandbox, to describe the cost would be inappropriate and could lead to confusion or misunderstandings. Mixing units can cause ambiguity and hinder effective communication.
Therefore, it is most appropriate to describe the cost of the sand in dollars, aligning with the unit of currency provided and commonly used in financial transactions. This ensures clarity and facilitates accurate comprehension of the cost associated with the sand purchase for the school's sandbox.
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Need help now I have 3 min asapppppp
Answer:
Step-by-step explanation:
a:0
B:1
C:-1
If there are 16 ounces in a pound. How many pounds are in 24 ounces?
Answer: 1.5 pounds
Step-by-step explanation: 16 oz(one pound) + 8oz(half a pound)= 24oz
A=bh slove for b
jnbirnbiunrtortn
Answer:
b = A/h
Step-by-step explanation:
A = bh
Divide both sides by h:
A/h = bh/h
A/h = b
Find the area of a triangle with a base of 17 in. and a height of 13 in.
Answer:110.5inches2
Step-by-step explanation:
to find the area of a triangle use the formula 1/2(base times height) where in this case base is 17 and height is 13. applying this formula= 1/2(17x13)=1/2(221)=110.5inches2
y intercept of y−5=2/3(x+12)
what is the value of the following expression? true && !false
The value of the expression "true && !false" can be determined by evaluating each part separately and then combining the results.
1. The "!" symbol represents the logical NOT operator, which negates the value of the following expression. In this case, "false" is negated to "true".
2. The "&&" symbol represents the logical AND operator, which returns true only if both operands are true. Since the first operand is "true" and the second operand is "true" (as a result of the negation), the overall expression evaluates to "true".
Therefore, the value of the expression "true && !false" is "true".
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Given XZ congruent to TR, YXZ congruent to RTY. Prove XYZ congruent to TYR by _____
AAS criterion for congruence.
Congruence in Triangles:
The dimensions of the sides and angles of two or more triangles determine whether they are congruent. A triangle’s size and shape are determined by its three sides and three angles, respectively. If pairings of corresponding sides and corresponding angles are equal, two triangles are said to be congruent. They are the exact same size and form. Triangles can satisfy a wide variety of congruence requirements.
What is AAS congruence?
Angle-Angle-Side criterion is also known as the AAS criterion. Two triangles are said to be congruent according to the AAS criterion if any two angles and the non-included side of one triangle match the corresponding angles and side of the second triangle.
Given:
XZ ≅ TR (given)
∠YXZ≅ ∠RTY (given)
To prove:
ΔXYZ≅ ΔTYR
Proof:
XZ ≅ TR (given)
∠YXZ≅ ∠RTY (given)
∠XYZ=∠TYR (common)
So, by AAS criterion
ΔXYZ≅ ΔTYR
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Which of the following represents the parameterization of a circle of radius r in the xy-plane, centered at (a,b), and traversed once in a clockwise fashion
The parameterization of a circle of radius r in the xy-plane, centered at (a, b), and traversed once in a clockwise fashion can be represented by the following equations:
\(\[ x = a + r \cos(t) \]\[ y = b - r \sin(t) \]\)
where:
- (a, b) represents the center of the circle,
- r represents the radius of the circle,
- t represents the parameter that ranges from 0 to 2π (or 0 to 360 degrees) to traverse the circle once in a clockwise fashion.
In the equation for x, the cosine function is used to determine the x-coordinate of points on the circle based on the angle t. Adding the center's x-coordinate, a, gives the correct position of the points on the circle in the x-axis.
In the equation for y, the sine function is used to determine the y-coordinate of points on the circle based on the angle t. Subtracting the center's y-coordinate, b, ensures that the points are correctly positioned on the y-axis.
Together, these equations form a parameterization that represents a circle of radius r, centered at (a, b), and traversed once in a clockwise fashion.
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When we subtract a velocity vector from another velocity vector, the result is:
A. an acceleration.
B. another velocity.
C. a scalar.
D. a displacement.
When we subtract a velocity vector from another velocity vector, the result is B. another velocity.
When we subtract a velocity vector from another velocity vector, we are essentially finding the difference between the two velocities. This difference is also a velocity vector, but in a different direction and with a different magnitude. Therefore, the answer is another velocity, option B.
It is important to note that acceleration is a change in velocity, not the result of subtracting one velocity from another. Scalar refers to a quantity with only magnitude, whereas velocity is a vector quantity with both magnitude and direction. Displacement refers to the change in position of an object and is not directly related to subtracting velocity vectors.
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Suppose that QRS is isosceles with base SQ . Suppose also that =m∠R=(2x+29)° and =m∠Q=(4x+9)° . Find the degree measure of each angle in the triangle.
Answer:
∠R = 55.6°
∠Q = 62.2°
∠S = 62.2°
Step-by-step explanation:
total interior angle sum = 180°
2x + 29 + 4x + 9 + 4x + 9 = 180
combine like terms:
10x + 47 = 180
subtract 47 from both sides of the equation:
10x = 133
divide both sides by 10:
x = 13.3
∠R = 2(13.3) + 29 = 55.6°
∠Q = 4(13.3) + 9 = 62.2°
∠S = ∠Q
Can someone please help me I really need help please help me thank you
Answer: x=14
Step-by-step explanation: The total is 180 degrees. The right angle is 90, the given angle is 76, so x is 14.
Write an equivalent expression by distributing the "-−" sign outside the parentheses: 8x-(-7.1y+8.5)
An equivalent expression by distributing the "-−" sign outside the parentheses: 8x - (-7.1y + 8.5) is 8x + 7.1y - 8.5.
What is law or rule of signs?The rule of signs indicates the following:
A positive sign will be included in the outcome when two positive integers are added.
The outcome will bear the sign of the larger number when two numbers with opposite signs—one positive and the other negative—are added or subtracted.
The outcome will bear the sign of the larger number when two numbers with opposite signs—one negative and the other positive—are added or subtracted.
When subtracting two negative integers, the outcome will also be negative.
The given expression is:
8x - (-7.1y + 8.5)
Opening the parentheses according to the rule of sign we have:
8x + 7.1y - 8.5
Hence, an equivalent expression by distributing the "-−" sign outside the parentheses: 8x - (-7.1y + 8.5) is 8x + 7.1y - 8.5.
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with which measurement procedure is the target behavior recorded if it occurs at any point within the scoring interval?
If the target behavior is recorded whenever it occurs at any point within the scoring interval, the measurement procedure used is called continuous recording or event recording. This method involves observing and recording each instance of the behavior without considering its duration or intensity.
Continuous recording is typically used when the target behavior is discrete and occurs relatively infrequently or has a short duration. With this measurement procedure, each occurrence of the behavior is recorded as a separate event, regardless of when it starts or ends within the scoring interval. Examples of behaviors that can be measured using continuous recording include vocalizations, hand clapping, or instances of aggression.
Continuous recording provides a comprehensive account of the frequency or rate at which the behavior occurs, allowing for a detailed analysis of its occurrence patterns. This method is particularly useful when a precise count of behavior instances is needed and when the duration or intensity of the behavior is not a focus of measurement.
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If a biased dice is rolled 400 times about how many times would you get a 2
Answer:
you would role 2 about 67 times
Step-by-step explanation:
Answer:
67 times
Step-by-step explanation:
The probability of rolling a 2 is:
P(2) = number of 2's on a die / total sides on a die.
P(2) = 1/6
Multiply this probability by the number of rolls.
P(2) * 400
1/6 * 400
66 2/3
Rounding up.
67 times
Triangle XYZ has coordinates X(2, 4), Y(−3, 4), and Z(−3, 1). If the triangle is translated using the rule (x, y) → (x − 2, y + 1), what are the coordinates of Y'?
Y'(–5, 5)
Y'(0, 5)
Y'(–5, 2)
Y'(–1, 3)
Answer:
Y'(-5, 5)
Step-by-step explanation:
To find the coordinates of Y' after the translation, we apply the given rule to the coordinates of point Y(-3, 4).
Using the translation rule (x, y) → (x - 2, y + 1), we can substitute the coordinates of Y(-3, 4) into the rule:
x' = x - 2 = -3 - 2 = -5
y' = y + 1 = 4 + 1 = 5
Therefore, the coordinates of Y' are (-5, 5).
find the vector v with the given magnitude and the same direction as u. magnitude direction v = 4 u = −6, 4, 2
The vector v with magnitude 4 and the same direction as u = (-6, 4, 2) is v = (-12/sqrt(14), 8/sqrt(14), 4/sqrt(14)).
To find the vector v with the same direction as u but with magnitude 4, we need to scale u by a factor of 4/|u|. That is,
v = (4/|u|)u
where |u| is the magnitude of u. We can find |u| as follows:
|u| = sqrt((-6)^2 + 4^2 + 2^2) = sqrt(56)
Therefore,
v = (4/sqrt(56))(-6, 4, 2) = (-12/sqrt(14), 8/sqrt(14), 4/sqrt(14))
So the vector v with magnitude 4 and the same direction as u = (-6, 4, 2) is v = (-12/sqrt(14), 8/sqrt(14), 4/sqrt(14)).
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Find each quotient. All final answers must be in simplest form.56x4y5 - 49x3y6 - 35x2y3 / 7x?y2 =A8x^2y^3 - 7y^4 - 5yB8x^2 y^3 - 7xy^4 + 5yC 8x^2y^3 - 7xy^4 - 5yD 8x^2y^3 + 7xy^4 - 5y
Answer
Option C is correct
8x²y³ - 7xy⁴ - 5y
Explanation
The equation to be solved or reduced is
(56x⁴y⁵ - 49x³y⁶ - 35x²y³)/7x²y²
More properly written, the equation is
\(\frac{56x^4y^5-49x^3y^6-35x^2y^3}{7x^2y^2}\)To solve this, we will break the division down and have each term carry the denominator and use the laws of indices to reduce the powers
\(\begin{gathered} \frac{56x^4y^5-49x^3y^6-35x^2y^3}{7x^2y^2} \\ =\frac{56x^4y^5}{7x^2y^2}-\frac{49x^3y^6}{7x^2y^2}-\frac{35x^2y^3}{7x^2y^2} \\ =\frac{56}{7}x^{4-2}y^{5-2}-\frac{49}{7}x^{3-2}y^{6-2}-\frac{35}{7}x^{2-2}y^{3-2} \\ =8x^2y^3-7x^1y^4-5x^0y^1 \\ \text{Note that} \\ x^0=1 \\ x^1=x \\ y^1=y \\ 8x^2y^3-7x^1y^4-5x^0y^1 \\ =8x^2y^3-7xy^4-5^{}y^{} \end{gathered}\)Hope this Helps!!!
A cylinder has a height of 18 millimeters and a diameter of 12 millimeters. What is its
volume? Use ≈ 3.14 and round your answer to the nearest hundredth.
cubic millimeters
b) If p, 2p°, 90° and 120° are the angles of a quadrilateral, find the size
of p° and 2pº.
c) If x°, 2x°, 3x° and 150° are the angles of a quadrilateral, find the size
of x°, 2x° and 3xº.
d) If 2aº, 3a°, 4aº and 6aº are the angles of a quadrilateral, find them.
Answer:
Step-by-step explanation: Answer:
Step-by-step explanation: b) p+2p+90+120=420
(total measure of all angle is 420)
3p+210=420
3p=420-210
3p=210
p°=70
2p° will be 140
Additive Inverses are numbers that add to make-101/11
The aditive inverse of a number is given by itself multiplied by -1. Then if we have any number x its additive inverse is -x and their sum is:
\(x-x=0\text{ for all values of x}\)Then theanswer is the second option, 0.
PLEASE!!!
A gym offers two different membership options. In the first option, new members pay a one-time fee of $50 and a monthly fee of $30. In the second option, members pay a one-time fee of $100 and a monthly fee of $20.
Suppose c is the total membership cost for m months. The two equations that model the two membership options are c = 30m + 50 and c = 20m + 100.
Part A
1. To find out when the cost will be equal, you will need to solve for m using substitution. Substitute the expression for the cost from the first equation into the cost, c, in the second equation.
2. Solve the equation in number 1 for m
3. Would you get the same solution if you substituted the expression for cost in the second option for c in the first equation? Why?
9514 1404 393
Answer:
30m +50 = 20m +100m = 5yes. symmetric property of equality.Step-by-step explanation:
1. The expression for c in the first equation is (30m+50). Substituting that for c in the equation ...
c = 20m +100
gives you ...
30m +50 = 20m +100
__
2. Adding -50-20m to both sides gives ...
10m = 50
m = 5 . . . . . . . divide by 10
__
3. Doing the substitution in reverse, you would substitute (20m+100) for c in the equation ...
c = 30m +50
to get ...
20m +100 = 30m +50
This is the equation of part 1 with the expressions swapped to the other side of the equal sign. The symmetric property of equality tells you that changing sides of the equal sign does not change the value of the variable(s).
You get the same solution.
A street vendor buys a pair of jeans wholesale for $90.00 and sells it for $120.00
including taxes. What is the profit amount for the vendor? (GST is 5% and PST is
7%)
The profit amount for the vendor who bought a pair of jeans wholesale for $90.00 and sold it for $120.00 including taxes is $30.00
Profit amount refers to the monetary gain or excess of revenue over expenses that a business or individual earns after deducting all costs and taxes. It represents the positive financial outcome of a business operation or an investment.
Profit = Selling price - Cost price
First, we need to calculate the selling price including taxes.
The GST and PST rates are 5% and 7%, respectively.
Therefore, the total tax rate is:
Total tax rate = GST + PST
= 5% + 7%
= 12%
The amount of taxes paid is equal to 12% of the selling price, which can be calculated as:
Selling-price × 12% = Taxes paid
Selling price = Taxes paid ÷ 12%
Now, we can find the selling price as:
Selling price = Cost-price + Taxes paid
Selling price = $90.00 + ($90.00 × 12%)
Selling price = $90.00 + $10.80
Selling price = $100.80
Finally, the profit amount can be found as:
Profit = Selling price - Cost price
Profit = $120.00 - $90.00
Profit = $30.00
Therefore, the profit amount for the vendor is $30.00.
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