9514 1404 393
Answer:
a' = 3, b' = 4, c' = 2, d' = 2, e' = 1, f' = 2
Step-by-step explanation:
First of all, you need to identify the lengths of the sides in this figure:
a = 6b = 8c = 4d = 4e = 2f = 4Then, you multiply each of these lengths by the scale factor, 1/2. Equivalently, divide them by 2.
The scaled side lengths are ...
a' = 3b' = 4c' = 2d' = 2e' = 1f' = 2imagine you are performing a two-way anova test, and you find a p-value for interaction of 0.07. what is the correct interpretation of this p-value with an alpha level of 0.05?
The correct interpretation of this p-value with an alpha level of 0.05 is explain below.
What is the correct interpretation of this p-value with an alpha level of 0.05?P-value is the margin of error importance inside a factual speculation test, addressing the likelihood of the event of a given occasion.
According to question:We have, P-value =0.07
Level of significance = 0.05
We know that,
P-value is less than level of significance, then H® is rejected,smaller the p-value longer the evidence that you should reject the null hypothesis.
Now P-value is greater than 0.05.
With a p-value greater than 0.05, fail to reject the H®.Look at multiple comparison of each Level of significance.
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1. What does the mean of a dataset represent? What does knowing
the standard deviation of a
dataset add?
2. What is a p value? What is the meaning of a p value?
3. Define alpha. How is it related to p
1. The mean of a dataset represents the average value of the entire set of numbers. It is calculated by adding up all the values and dividing by the number of values in the dataset. Knowing the standard deviation of a dataset adds information about how much the values deviate from the mean.
A high standard deviation indicates that the values are more spread out from the mean, while a low standard deviation indicates that the values are closer to the mean. It can help to identify outliers and the overall variability of the dataset.
2. A p-value is a statistical measure that helps to determine whether the null hypothesis (there is no significant difference between two groups) is true or false.
It is the probability of obtaining a result as extreme or more extreme than the observed result, assuming that the null hypothesis is true. A p-value of less than 0.05 (typically) is considered statistically significant, which means that there is strong evidence to reject the null hypothesis and accept the alternative hypothesis (there is a significant difference between the two groups).
3. Alpha is the level of significance that is set to determine whether a p-value is statistically significant or not. It is typically set at 0.05, which means that if the p-value is less than 0.05, then the result is considered statistically significant and the null hypothesis is rejected.
If the p-value is greater than 0.05, then the result is not statistically significant and the null hypothesis cannot be rejected. In summary, alpha and p-value are related because alpha sets the threshold for determining whether a p-value is statistically significant or not.
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Given the points A: (-5,1,4) and B: (3,-1,6), find the vector ä = AB
Therefore, the vector ä = AB is (8, -2, 2). To find the vector ä = AB, we simply subtract the coordinates of point A from the coordinate
To find the vector AB (also denoted as vector ä) between the points A (-5, 1, 4) and B (3, -1, 6), we need to calculate the difference between the coordinates of point B and point A. This can be done using the formula: AB = (Bx - Ax, By - Ay, Bz - Az).
Using the given coordinates, we have:
Ax = -5, Ay = 1, Az = 4
Bx = 3, By = -1, Bz = 6
Now, we'll apply the formula to find the components of vector AB:
ABx = Bx - Ax = 3 - (-5) = 8
ABy = By - Ay = -1 - 1 = -2
ABz = Bz - Az = 6 - 4 = 2
So, the vector AB (or vector ä) is given by:
AB = (8, -2, 2)
Thus, the vector connecting points A and B has components (8, -2, 2).
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PLEASE HURRY THE TEST HAS 5 MINS LEFT I NEED HELP WITH QUESTION 5 ASAP
Answer:
5.83
Step-by-step explanation:
i used pythagorean theorem
side a is 5 because congruence
side b would be 3 because 9 - 6 = 3
5^2 + 3^2 = c^2
25 + 9 = c^2
34 = c^2
sqrt of 34 is 5.83
g multivariate data contains records of several random variables on a number of subjects leading to a vector-valued, or multidimensional observation for each. a multivariate data set contains 25 subjects and 7 variables (5 numerical and 2 categorical). what is the correct size of the sample covariance matrix? question 14 options: 7 x 7 25 x 7 25x25 7 x 2
The correct size of the distance matrix for a multivariate data set with 25 subjects and 7 variables is 25 x 25.
What is a multivariate data?Multivariate data analysis is a type of statistical analysis that involves more than two dependent variables, resulting in a single outcome. Many problems in the world can be practical examples of multivariate equations as whatever happens in the world happens due to multiple reasons.
The distance matrix contains the pairwise distances between all pairs of subjects in the dataset, and therefore has the same number of rows and columns as the number of subjects in the dataset. Since there are 25 subjects in this dataset, the distance matrix will have 25 rows and 25 columns.
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verify the associative property ...
please answer friends..... I'll give more points
This also means that in associative property,no matter how you arrange them, you'll still get the needed product..
18= 5m + 3 .. what would b m?
Answer:
m=3
Step-by-step explanation:
Move all terms that don't contain m to the right side and solve.
Answer:
m=3
Step-by-step explanation:
Simplifying
18 = 5m + 3
Reorder the terms:
18 = 3 + 5m
Solving
18 = 3 + 5m
Solving for variable 'm'.
Move all terms containing m to the left, all other terms to the right.
Add '-5m' to each side of the equation.
18 + -5m = 3 + 5m + -5m
Combine like terms: 5m + -5m = 0
18 + -5m = 3 + 0
18 + -5m = 3
Add '-18' to each side of the equation.
18 + -18 + -5m = 3 + -18
Combine like terms: 18 + -18 = 0
0 + -5m = 3 + -18
-5m = 3 + -18
Combine like terms: 3 + -18 = -15
-5m = -15
Divide each side by '-5'.
m = 3
Simplifying
m = 3
hope this helps
Find the constants m and b in the linear function f(x)=mx+b so that f(7)=9 and the straight line represented by f has slope −3.
m=
b=
To find the constants m and b in the linear function f(x) = mx + b, we can use the given conditions f(7) = 9 and a slope of -3.
The value of f(7) represents the y-coordinate of the point on the line when x = 7. So, substituting x = 7 into the equation, we get 9 = 7m + b.
The slope of a linear function is given by the coefficient of x, which in this case is -3. So, we have m = -3.
Now, we can substitute the value of m into the equation obtained from f(7). We get 9 = 7(-3) + b, which simplifies to 9 = -21 + b.
Solving for b, we find b = 30.
Therefore, the constants for the linear function f(x) = mx + b that satisfy the given conditions are m = -3 and b = 30.
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How do you solve this?
Answer:
62
Step-by-step explanation:
Since you know that JK + KL = JL, this would be:
27 + 3x - 1 = 5x + 2
Now, solve this equation:
combine like terms first
\(26+3x=5x+2\)
subtract 3x from both sides
\(26 = 2x+2\)
subtract 2 from both sides
\(24 = 2x\)
divide both sides by 2
\(12 = x, x= 12\)
Since you want to find JL and JL = 5x + 2, plug x = 12 into that equation.
\(JL = 5* 12 + 2\\JL = 60 + 2\\JL = 62\)
what is 240 multiplied
by 24
Answer:
5760
Step-by-step explanation:
240 x 24 = 5760
Answer: 5760
Step-by-step explanation:
1. remove the zero in 240 so you get 24 x 24.
24 x 24 = 576
2. Add the zero removed from "240" and you'll get your answer of 5760.
24(0) x 24 = 5760
a rectangular box with a volume of 480 cubic feet is to be constructed with a square base on top. the cost per square ft for the bottom is 30 cents, for the top is 20 cents, and for the sides is 5 cents. determine the dimensions of the box to be minimize cost. what is the length of one side of the base of the box?
So, when the box has a square base with 4.8 feet on each side and a height of 40.41 feet, then cost will be at its lowest.
What in mathematics is a base?When referring to a specific mathematical item that serves as a building block, the word "basis" in mathematics is employed. The notions of a number system in which numbers are represented by digits and a numerical system in which logarithms were defined are the ones that are most frequently utilized.
V=x2×y931=x2y=93x2
Given that the square foot price for the bottom is 15 cents, the top is 10 cents, and the sides are 1.5 cents
Therefore, total cost
C=15x2+10x2+(1.5xy)
C=25x2+6xyC(x)=2x2+6x×931x2C(x)=25x2+5586x
Upon separating it from x, we obtain,
C′(x)=50x−5586x2
We obtain 50x5586x2=0x3=5586 when equating with zero.
50x=4.8ft
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This question is bothering and hurting my brain a lot: A restaurant has a square floor with an area of 324 m². Sketch the resaurant floor. What are its dimensions?
Answer:
The dimensions are 18m by 18m
Step-by-step explanation:
Since the problem says the floor is square, we know that all 4 sides are equal. The area for a square is one side squared. Since we do not have the actual length per side, we write the following formula: x^2= 324.
From there, we simply take the square root to figure out that one side is 18 meters. Once we know one side, we know all 4 because a square has equal sides. Therefore, the dimensions of the floor are 18m x 18m. I hope this helps!
Simplify the expression.
4 * 22 ÷ 2 + 2
Answer:
46
Step-by-step explanation:
4 * 22 ÷ 2 + 2
Multiply and divide from left to right
88 ÷ 2 + 2
44 +2
Add
46
\(\huge\textsf{Hey there!}\)
\(\mathsf{\dfrac{4\times22}{2}+2}\)
\(\mathsf{4\times22 = \bf 88}\)
\(\mathsf{\dfrac{88}{2}+2}\)
\(\mathsf{\dfrac{88}{2}=\bf 44}\)
\(\mathsf{= 44 + 2}\)
\(\mathsf{\bf = 46}\)
\(\huge\checkmark\boxed{\huge\textsf{Possible answer \#1: \bf 46}}\huge\checkmark\)
\(\huge\text{OR........}\)
\(\mathsf{\dfrac{4\times2^2}{2}+2}\)
\(\mathsf{2^2}\)
\(\mathsf{= 2\times2}\)
\(\mathsf{= \bf 4}\)
\(\mathsf{= \dfrac{4\times4}{2}+2}\)
\(\mathsf{4\times4}\)
\(\mathsf{\bf = 16}\)
\(\mathsf{= \dfrac{16}{2}+2}\)
\(\mathsf{\dfrac{16}{2}}\)
\(\mathsf{= \bf 8}\)
\(\mathsf{= 8 + 2}\)
\(\mathsf{\bf = 10}\)
\(\huge\checkmark\boxed{\huge\textsf{Possible answer \#2: \bf 10}}\huge\checkmark\)
\(\large\textsf{Good luck on your assignment and enjoy your day!}\)
~\(\frak{Amphitrite1040:)}\)
Johnny is wanting to prove that parallelogram ABCD is a rectangle. He shows that opposite sides are congruent and opposite parallel. Can he conclude ABCD is a rectangle ? Why or why not. Explain your reasoning in complete sentences.
Answer:
No, because the statement explains a parallelogram also.
Step-by-step explanation:
A rectangle is a quadrilateral that has four sides which has a set of equal opposite sides that are parallel to each other. The sum of all angles in a rectangle = \(360^{0}\)
No, he can not conclude that ABCD is a rectangle with the statement because the statement is applicable to a parallelogram also. He could add that opposite sides are straight and parallel. So that:
<ABC = CDA = \(90^{0}\) (right angle property)
<DAB = <BCD = \(90^{0}\) (right angle property)
How do you simplify mn^0?
Answer:
m
Step-by-step explanation:
Using the rule of exponents
\(a^{0}\) = 1 , then
m\(n^{0}\) = m × 1 = m
HELP PLEASE NO ONE IS ANSWEING IT
What is the mean of this data set?
A table titled Length of Roses. The first column is labeled length in centimeters. The second column is labeled number of roses. The first row shows 2 roses measuring 22 centimeters in length. The second row shows 4 roses measuring 23 centimeters in length. The third row shows 5 roses measuring 24 centimeters in length. The fourth row shows 3 roses measuring 25 centimeters in length. The fifth row shows 1 rose measuring 26 centimeters in length.
24 cm
twenty-three and twelve-fifteenths
twenty-three and one-half
22 cm
Answer: To find the mean of the data set, you need to calculate the sum of the products of each length and its corresponding frequency, and then divide that sum by the total number of roses.
Using the data set given, the sum of the products is:
(2 * 22) + (4 * 23) + (5 * 24) + (3 * 25) + (1 * 26) = 221
The total number of roses is:
2 + 4 + 5 + 3 + 1 = 15
Therefore, the mean length of the roses is:
221 / 15 = 14.73 ≈ 24 cm
So, the answer is 24 cm.
Step-by-step explanation:
Answer:
24 but the test is wrong
Step-by-step explanation:
Soooo i dont know what the answer in the test is but the answer is 24. If you add them all up, 22 23 24 25 26, you get 120 which you then divide by 5. I dont know what the test wants u to answer tho.
Which is the graph of the rose curve
Rose curve equations have two forms: r = a cos(nθ) and r = a sin(nθ) where a ≠ 0 and n is a positive integer. Petals have length determined by a. If n is odd, the number of petals is n. However, if n is even, the number of petals is 2n.
hope it helps aaa ^^'
please help me
A bumblebee visits 14 flowers in 38 minutes to collect pollen. A butterfly's progress in visiting flowers is shown in the table. Which insect is visiting flowers at a faster rate?
*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆
Answer: The bumblebee is visiting flowest at around .3 minutes faster
Explanation:
2.714 is the unit rate for bumblebee
3 is the unit rate for butterfly
I hope this helped!
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*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆
If ∠G measures 40°, ∠F measures 49°, and f is 7 feet, then find g using the Law of Sines. Round your answer to the nearest foot.
triangle EFG with side e across from angle E, side f across from angle F, and side g across from angle g
4 feet
5 feet
6 feet
7 feet
Answer:
6 feet
Step-by-step explanation:
C. 6 feet
Length of Side g is 6 feet
What is Trigonometric functions?
Trigonometric functions defined as the functions which show the relationship between angle and sides of a right-angled triangle.
Given,
∠F = 49°
Length of side f = 7 feet
∠G = 40°
length of side g = ?
According Sine rule,
\(\frac{\sin E}{e}=\frac{\sin F}{f}=\frac{\sin G}{g}\)
\(\frac{\sin 49}{7}=\frac{\sin 40}{g}\)
\({g}=7(\frac{\sin 40}{sin 49})\)
g = 5.96 ≈ 6
Hence, length of side g is 6 feet.
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How do you write p squared divided by 8 as an expression
Answer:
x^3/8
Step-by-step explanation:
\( \frac{p {}^{2} }{8} \)
Write equivalent fractions for
2/3
and
5/12
using the least common denominator.
The equivalent fractions for 2/3 is (3×2)/(3×3) = 6/9 and for 5/12 is (4×5)/(4×12) = 20/48.
What is a fraction?A fraction is written in the form of p/q, where q ≠ 0.
Fractions are of two types they are proper fractions in which the numerator is smaller than the denominator and improper fractions where the numerator is greater than the denominator.
The equivalent fraction for 2/3 is (3×2)/(3×3) = 6/9.
The equivalent fraction for 5/12 is (4×5)/(4×12) = 20/48.
We have to multiply the same number to both the numerator and denominator to get equivalent fractions.
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the first three terms of sequence are given round the nearest thousandth if necessary
12,15,18,..
Find the 32nd term
Answer:
105
Step-by-step explanation:
It is increasing by 3 everytime.
So you just use that and write down all numbers in order ascending to the 32nd term.
I'd list them all but I don't think you wanna read all of it.
Hope this helps.
(QUICK I NEED HELP FOR A TEST )
The costs y of x pounds of apples at four different stores
are represented below. Which store has the greatest cost?
Answer:
D
Step-by-step explanation:
Option A is $6 for two pounds of apples, option B is $5.50 for two pounds of apples, option C is $5.80 for two pounds of apples, and option D is $6.50 for two pounds of apples (9.75/3=3.25x2=6.5). Therefore D is the most expensive.
I hope this helps :)
which expression is equivalent to 4 8 over 4 2
4•(2+5)^2 -5^2 how do I solve this?
Answer:
4•(2+5)^2 -5^2 = 171
Step-by-step explanation:
Do BIDMAS
(brackets, indices, division, multipy, add, sub)
so brackets
4*7^2-5^2
then do the indices
4*49-25
then the multiply
196-25
= 171
Hope this helps
Answer: Brackets => 4 x (7)^2 - 5^2
Indices/Orders => 4 x 49 - 25
Multiplication => 196 - 25
Subtraction => 171
plsss answer asapp and pls show work ty:)
if CE=7x+4 , find the value of X
Answer:
x=5
Step-by-step explanation:
If CE=7x+4, then x+3+(8x-9)=7x+4
x+3+8x-9=7x+4
Combine like terms: 9x-6=7x+4
Isolate x to one side: 2x-6=4
add 6: 2x=10
divide by 2: x=5
check your work;plug x into both equations
5+3=8, 8(5)-9=31....8+31=39
7(5)+4=39
Point Z is equidistant from the sides of ARST. C R Z A B S Which must be true? A. SZ&TZ
B. RZ =R BZ
C. CTZ = ASZ
D. ASZ=ZSB
Answer:
B. RZ =R BZ
Step-by-step explanation:
Since point Z is equidistant from the sides of ARST, it lies on the perpendicular bisectors of both sides. Therefore, CZ and SZ are perpendicular bisectors of AB and ST, respectively.
Option B is true because point R lies on the perpendicular bisector of AB, and therefore RZ = RB.
Answer: vv
Step-by-step explanation:
Since point Z is equidistant from the sides of ARST, it lies on the perpendicular bisector of the sides ST and AR.
Therefore, we can draw perpendiculars from point Z to the sides ST and AR, which intersect them at points T' and R', respectively.
Now, let's examine the options:
A. SZ & TZ: This is not necessarily true, as we do not know the exact location of point Z. It could lie anywhere on the perpendicular bisector of ST, and the distance from Z to S and T could be different.
B. RZ = RB: This is true, as point Z lies on the perpendicular bisector of AR, and is therefore equidistant from R and B.
C. CTZ = ASZ: This is not necessarily true, as we do not know the exact location of point Z. It could lie anywhere on the perpendicular bisector of AR, and the distances from Z to C and A could be different.
D. ASZ = ZSB: This is not necessarily true, as we do not know the exact location of point Z. It could lie anywhere on the perpendicular bisector of ST, and the distances from Z to A and B could be different.
Therefore, the only statement that must be true is option B: RZ = RB.
Mikayla worked the same number of hours each day for 4 days during one week. She worked less than 20 hours total for that week. Which graph represents the number of hours per day she could have worked? (Assume the number of hours is greater than 0.)
I made this just to tell everyone that the answer is : A number line from 0-10 theres an open circle on 5 and everything to the left is shaded . On my screen it was A
Answer:
A
Step-by-step explanation:
Correct On EDG
Pls mark me brainllest
Answer:
A.
Step-by-step explanation:
Scott has a rectangular garage that has a length of 234 inches. The width is 1. 5 times shorter than the length. What is the area of his garage?
The area of garage is 36,504 square inches.
The width of Scott's garage is 156 inches (since it is 1.5 times shorter than the length of 234 inches).
so width = 234/1.5
=> 156
To find the area, we multiply the length by the width:
=> 234 inches x 156 inches
=> 36,504 square inches.
To explain, the formula for finding the area of a rectangle is length x width. In this problem, we are given the length of the garage as 234 inches and are told that the width is 1.5 times shorter than the length.
To find the width, we can multiply the length by 1.5 to get 351 inches (which is longer than the length, so we know it must be incorrect). Instead, we need to divide the length by 1.5 to find the width, which gives us 156 inches. Then, we can multiply the length by the width to find the area of the garage, which is 36,504 square inches.
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Vanesa is making a banner for the game. She has 20 square feet of fabric. What shape will use most or all of the fabric?
A a square with a side length of 4 feet
B a rectangle with a length of 4 feet and a width of 3.5 feet
C a circle with a radius of about 2.5 feet
D a right triangle with legs of 5 feet each
The shape that will use most or all of the fabric is option A, a square with a side length of 4 feet.
A square is a shape with equal sides and equal angles. In this case, if the side length is 4 feet, then the area of the square can be calculated by multiplying the length of one side by itself: 4 feet * 4 feet = 16 square feet.
Since Vanesa has 20 square feet of fabric, the square with a side length of 4 feet will use all of the available fabric.
To determine which shape will use most or all of the fabric, we need to calculate the area of each shape and compare it to the available fabric.
Option A: A square with a side length of 4 feet
The area of a square is calculated by multiplying the length of one side by itself. In this case, the area is 4 feet * 4 feet = 16 square feet. Since Vanesa has 20 square feet of fabric, the square will use all of the fabric.
Option B: A rectangle with a length of 4 feet and a width of 3.5 feet
The area of a rectangle is calculated by multiplying the length by the width. In this case, the area is 4 feet * 3.5 feet = 14 square feet. Since the area is less than 20 square feet, the rectangle will not use all of the fabric.
Option C: A circle with a radius of about 2.5 feet
The area of a circle is calculated using the formula A = πr^2, where r is the radius of the circle. In this case, the area is approximately 19.63 square feet. Since the area is less than 20 square feet, the circle will not use all of the fabric.
Option D: A right triangle with legs of 5 feet each
The area of a triangle is calculated using the formula A = 0.5 * base * height. In this case, the base and height are both 5 feet, so the area is 0.5 * 5 feet * 5 feet = 12.5 square feet. Since the area is less than 20 square feet, the triangle will not use all of the fabric.
Therefore, option A, a square with a side length of 4 feet, is the shape that will use most or all of the fabric.
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