Answer:
9.9 cm
Step-by-step explanation:
The right triangle has one-half the wing span as a leg.
The hypotenuse is 5.8cm and the other leg is 3cm
If we let the unknown leg of the triangle be x, by the Pythagorean theorem we know the sum of the squares of the two legs must be equal to the square of the hypotenuse .
So
x² + 3² = 5.8²
x² = 5.8² - 3²
= 33.64-9
= 24.64
x = √24.64
= 4.96
Total wingspan = 4.96 × 2 = 9.9 cm
Point G is located at -18 on a number line. Point H is 24 more than Point G. Where is Point h?
Point H is located at 6 on the number line, which is 6 units to the right of the zero point.
We know that Point G is located at-18 on the number line, and that Point H is 24 further than Point G. To find the position of Point H, we need to add 24 to the position of Point G
Point H = Point G + 24
Substituting the position of Point G, we get
Point H = -18 + 24
Simplifying the expression, we get
Point H = 6
thus, Point H is located at 6 on the number line.
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the primary tool or measure for determining whether the assumed regression model is appropriate is .
The primary tool or measure for determining whether the assumed regression model is appropriate is the residual plot.
A residual plot is a graph that shows the residuals, or the differences between the observed values and the predicted values from the regression model, plotted against the predictor variable(s). If the residuals are randomly scattered around zero, with no discernible pattern, then the regression model is a good fit for the data.
However, if there is a pattern in the residuals, such as a curved or U-shaped relationship, then the regression model may not be appropriate and a different model may need to be considered.
In addition to the residual plot, other measures such as the coefficient of determination (R-squared), the p-values of the regression coefficients, and the normality of the residuals can also be used to evaluate the goodness of fit of a regression model.
However, the residual plot is often considered the primary tool for assessing the adequacy of a regression model.
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consider the function graphed below. What is the average rate of change of the function over the interval (2,3)?
The average rate of change of the function over the interval [2,3] will be around 3.
What is a function?Function is a relation between a set of inputs and a set of outputs which are permissible. In a function, for particular values of x we will get only a single image in y. It is denoted by f(x).
For example to draw the equation y = 3x +2 this will draw a straight line in the coordinate geometry.
The rate of change is given by dy/dx
The average rate of change can be given as:
= (difference in y coordinate)/(difference in x coordinate)
= Δy/Δx
Average rate of change = ( 11 - 8 )/(3 - 2 )
= 3
Hence, the average rate of change is 3
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Solve for x.
9/3 = x/2
[tex] \frac{9}{3} = \frac{x}{2} \\ [/tex]
Cross multiply...
[tex]3x = 18[/tex]
[tex]x = \frac{18}{3} \\ [/tex]
x = 6
Answer:
it's 6. 9 is divided by 3 and the answer is 3 .so 3=x÷2. and multiplie 2 in both side.so the answer is 6.
What is the solution to 3 (2k + 3) = 6 - (3k - 5)?
Move the correct answer to each box. Not all answers will be used.
k
-8 -2 2
3 8
9
Answer: 22k
Step-by-step explanation:
The solution to the equation is k = 2/9
What is an Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the equation be represented as A
Now , the value of A is
Substituting the values in the equation , we get
3 ( 2k + 3 ) = 6 - ( 3k - 5 ) be equation (1)
On simplifying , we get
3 ( 2k ) + 9 = 6 - 3k + 5
6k + 9 = 11 - 3k
Adding 3k on both sides , we get
9k + 9 = 11
Subtracting 9 on both sides , we get
9k = 2
Divide by 9 on both sides , we get
k = 2/9
Therefore , the value of k is 2/9
Hence , the solution is k = 2/9
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An approximate solution to an equation is found using this iterative process
a) The values are given as follows:
i) x1: -0.5.
ii) x2: -0.280125.
b) The solution of the equation is of: -0.25410169644.
How to calculate the valueThe equation in this problem is given as follows:
y = (x³ - 1)/4.
The solution is obtained using a iterative solution method, until the difference between previous iterations is less than 10^-6, as the solution is exact to 6 decimal places.
Then the values are given as follows:
x1 = -1 -> attributed.
x2 = ((-1)³ - 1)/4 = -0.5.
x3 = ((-0.5)³ - 1)/4 = -0.28125.
x4 = ((-0.281255)³ - 1)/4 = -0.25556212524.
x5 = ((-0.25556212524)³ - 1)/4 = -0.25417281837
x6 = ((-0.25417281837)³ - 1)/4 = -0.25410513385
x7 = ((-0.25410513385)³ - 1)/4 = -0.25410185521.
x8 = ((-0.25410185521)³ - 1)/4 = -0.25410169644. -> difference less than six decimal places.
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An approximate solution to an equation is found using this iterative process.
Xₙ₊₁= (Xₙ)³ - 1 / 4 and x₁= -1
a)
(i) Work out the value of x₂
(ii) Work out the value of x₃
b) Work out the solution to 6 decimal places
Δ′ABC ∼Δ′A'B'C and AC=20cm A'C'=15cm B'C'=12cm and A'B'=9cm find the length of the other sides of ΔABC
The length of the other sides of ΔABC are AB =12 cm and BC = 16 cm.
What are similar triangles?Two triangles are similar if the angles are the same size or the corresponding sides are in the same ratio. Either of these conditions will prove two triangles are similar.
Given that, ΔABC ∼ΔA'B'C' and AC=20 cm A'C'=15 cm B'C'=12 cm and A'B'=9 cm.
Here, AB/A'B' = BC/B'C' = AC/A'C'
AB/9 = BC/12 = 20/15
AB/9 = BC/12 = 4/3
Now, AB/9 = 4/3
AB =12 cm
BC/12 = 4/3
BC = 16 cm
Therefore, the length of AB =12 cm and BC = 16 cm.
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someone please answer 6,7, and 8 for 15 points quickly
Using the concept of proportions, the first rate does not form a proportion while the second rate form a proportion and the the cost of 9 pizza is $152.55
What is ProportionsProportion is a mathematical concept that refers to the relationship between two values or sets of values. It expresses the relative sizes of two or more quantities and can be represented as a fraction, decimal, or percentage.
6.
16 players for 24 teams
20 players for 32 teams
Let's find the ratio of player to team if they're consistent.
16 / 24 = 2/3 ≠ 20 / 32 = 5/8
The rates do not form a proportion.
7.
10 inches in 6 hours
80 inches in 2 days
10 / 6 = 5/3 = 80 / 48 = 5/3
The rates form a proportion.
8.
4 pizza = 67.80
9 pizza = x
Cross multiply both sides
4x = 67.80 * 9
4x = 610.2
x = 610.2 / 4
x = 152.55
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Find the prime factorization of
the number 90.
Order the factors from least to greatest.
Remember, 1 is not a prime number.
[ ] × [ ] × [ ] × [ ]
Enter the number that belongs in the green box.
Answer:
2 × 3 × 3 × 5 = 2 × 3 × 3 × 5
Step-by-step explanation:
The prime factorization of 90 is 2 × 3 × 3 × 5, so the prime factors are 2, 3, 3, and 5. Ordering the factors from least to greatest, we have:
2 × 3 × 3 × 5 = 2 × 3 × 3 × 5.
Minja is three years older than her sister June. Minja's brother is eight years younger
than their sister June. The sum of all of their ages is 55 years.
x+3-8x=55.
3x 8x + x 55.
(x+3-8)+x=55
(x+3)+(x-8)+x=55
-
Answer: C
Step-by-step explanation:
This composite figure is made up of three simpler shapes. What is the area of
the figure?
5 cm
10 cm
3 cm
4 cm
6 cm
Answer:
The figure is made up of a rectangle and two triangles. The dimensions of the rectangle are 10 cm by 5 cm, so the area of the rectangle is 10 * 5 = 50 cm^2.
Each of the two triangles has a base of 4 cm and a height of 3 cm, so the area of each triangle is (1/2) * 4 * 3 = 6 cm^2. The total area of the two triangles is 2 * 6 = 12 cm^2.
The total area of the figure is the sum of the areas of the rectangle and the triangles: 50 + 12 = 62 cm^2.
Step-by-step explanation:
factor out the greatest common factor from 6x^4 + 8x^3 PLEASE HELP
Answer: 2x^3(3x+4)
Step-by-step explanation: 2x3x^4+2^3xx^
the heights of young men follow a normal distribution with mean 69.3 inches and standard deviation 2.8 inches. the heights of young women follow a normal distribution with mean 64.5 inches and standard deviation 2.5 inches. (a) let m the height of a randomly selected young man and w the height of a randomly selected young woman. describe the shape, center, and spread of the distribution of m w. (b) find the probability that a randomly selected young man is at least 2 inches taller than a randomly selected young woman. show your work.
The shape of the distribution is normal
The probability is 0.7764
What is Standard Deviation?
The standard deviation is a measure of the spread or dispersion of a set of data around its mean. It is calculated by finding the square root of the variance, which is the average of the squared differences between each data point and the mean. It is used to quantify the degree of variability or diversity in the data.
(a)
The distribution of heights of young men follows a normal distribution with a mean of 69.3 inches and a standard deviation of 2.8 inches. The distribution of heights of young women also follows a normal distribution with a mean of 64.5 inches and a standard deviation of 2.5 inches.
The difference between the height of a randomly selected young man (m) and a randomly selected young woman (w) follows a normal distribution with a mean of 69.3 - 64.5 = 4.8 inches (the difference in the means) and a standard deviation of √(2.8² + 2.5²) = 3.67 inches (the square root of the sum of the variances).
The shape of the distribution of the difference between the heights of a randomly selected young man and a randomly selected young woman is also normal, since the original distributions are normal. The centre of the distribution is 4.8 inches, and the spread is 3.67 inches.
(b)
We need to find the probability that a randomly selected young man is at least 2 inches taller than a randomly selected young woman, or in other words, we need to find P(m - w > 2).
Using the formula for the difference of two normal distributions, we have:
z = (2 - 4.8) / 3.67 = -0.76
We need to find the probability that a standard normal variable Z is greater than -0.76. Using a standard normal table or calculator, we find that P(Z > -0.76) = 0.7764.
Therefore, the probability that a randomly selected young man is at least 2 inches taller than a randomly selected young woman is approximately 0.7764.
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At Charles Walters Middle School, 30% of the students live more than 4 miles from school.
The fraction of the students live more than 4 miles from school is 3/10.
What is a fraction?A fraction represents a part of a number or any number of equal parts.
A fraction consisting of a quotient and remainder is a mixed fraction. we can convert the mixed fraction to improper fraction by first dividing the numerator by denominator and then taking the quotient as whole number and remainder as the numerator of proper fraction keeping the denominator same.
Given;
The percentage of students live more than 5 miles away=30%
Now,
The fraction;
=30/100
To convert it into the simplest from;
=30/100
=3/10
Therefore, the fraction in simplest form will be 3/10.
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The complete question is;
At Charles Walters Middle School, 30% of the students live more than 4 miles from school.What fraction of the students live more than 4 miles from school? Write your answer as a fraction in simplest form. ?
kendra and Dalisay practice archery. kendra hits the target3 times for every 5 misses Dalisay hits the target 5 times for every 7 misses who hits the target more show your work
Kendra hits the target more often than Dalisay.
What is the hit rate?
Hit rate is a measure of performance that calculates the proportion of successful hits or positive outcomes in a given situation, usually expressed as a percentage.
To compare Kendra and Dalisay's performance in hitting the target, we need to determine the hit rate for each archer.
Kendra hits the target 3 times for every 5 misses. The hit rate for Kendra can be calculated as:
hit rate = 3 / (3 + 5) = 3/8
Dalisay hits the target 5 times for every 7 misses. The hit rate for Dalisay can be calculated as:
hit rate = 5 / (5 + 7) = 5/12
Comparing the hit rates, we see that Kendra has a higher hit rate than Dalisay.
Therefore, Kendra hits the target more often than Dalisay.
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help Imao pleaseeeeee
5 minus a number is less than -9: 5 - x < -9.
The product of 2 and a number is a minimum of 34: 2x ≥ 34.
Answer:
2. [tex]2n\geq 34[/tex]
3. [tex]5-n < -9[/tex]
Step-by-step explanation:
The product of 2 numbers is multiplication.
"a minimum of" is greater than or equal to.
A number minus a number is subtraction.
2.
"The product of 2 and a number" can be written as [tex]2n[/tex].
"a minimum of 34" can be written as [tex]\geq 34[/tex]
So all together
[tex]2n\geq 34[/tex]
3.
"5 minus a number" can be written as [tex]5-n[/tex]
"less than -9" can be written as [tex]< -9[/tex]
So all together
[tex]5-n < -9[/tex]
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Which equations are true for the values of x, y, and z?
The equations that are true for the values of x, y and z are :
x degrees + 65 degrees = 180 degreesx degrees = z degreesy degrees = 65 degreesWhat are the equations for x, y, and z ?The equations can be found based on the relationships between the variables as angles.
x and z are opposite each other which makes them congruent angles which means that they are the same value.
y and 65 degrees are also opposite each other which makes them congruent.
x and 65 degrees are on a straight line and so will add up to 180 degrees which is why the correct equation would be :
x degrees + 65 degrees = 180 degrees
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Options include:
x degrees + 65 degrees = 180 degreesx degrees = z degreesy degrees = 65 degreesx degrees= 65 degreesx degrees + y degrees + z degrees = 115 degreesa is directly proportional to the square root of c. w is inversely proportional to a³.
When c = 49, a = 35
When a = 2, w = 16.
Find the value of w when c = 4.
Answer:
W when c = 4 is 0.128.
Step-by-step explanation:
The relationship between A, C and W can be represented by the following equations:
A = k√c
W = m/a^3
Where k and m are constant of proportionality.
Since A is directly proportional to the square root of c, we can write k = A/√c. Substituting the values of A and C when c = 49, we have:
k = 35/√49 = 35/7
Since W is inversely proportional to a^3, we can write m = W * a^3. Substituting the values of W and A when a = 2, we have:
m = 16 * 2^3 = 128
Now we have both k and m, we can find the value of W when c = 4.
A = k * √c = 35/7 * √4 = 10
W = m/a^3 = 128/10^3 = 0.128
So, the value of W when c = 4 is 0.128.
Help please I need this answer
Step-by-step explanation:
We know all angles on a traingle equal 180
We also know one angle is a right angle which is 90
180 - 90 = 90, indicating the other two angles equal 90
[tex](2x - 1) + (3x + 6) = 90[/tex]
Now we will combine the X's and constants
[tex]5x +5 = 90[/tex]
Now to subtract 7
[tex]5x = 85[/tex]
Lastly, divide by 5
[tex]x = 17[/tex]
In the​ U.S., shoe sizes are defined differently for men and​ women, but in​ Europe, both sexes use the same shoe size scale. The accompanying histogram shows the European shoe sizes of 269 male and female college​ students, converted from their reported U.S. shoe sizes. What might be the problem with either the mean or the median as a measure of​ center?
To accurately represent men's and women's shoe sizes separately, it is recommended to calculate and compare the average or median shoe size for each group separately.
The problem with the central measure, mean or median, in this case is that the data is not gender-specific and there is a possibility that male and female shoe size distributions are different. Therefore, calculating the average or median shoe size for all students may not accurately reflect the typical male and female shoe sizes, respectively.
For example, if the males in the sample have, on average, a larger shoe size than the females, then the average shoe size of all students might be biased towards the larger size, even if most of the students are female. On the other hand, if you have several boys with very large shoe sizes, the median shoe size of all students may be biased toward the larger size, even if most of the students are women with small shoe sizes.
To accurately represent men's and women's shoe sizes separately, it is recommended to calculate and compare the average or median shoe size for each group separately. Alternatively, a fashion report representing the most common shoe sizes in the data might be a better measure of the centroid.
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Clarice has animated a 3D airplane with visible passengers in the windows. She wants the plane to move on a predetermined path across the screen. What form of animation should she use?
how many sides does a regular polygon have if each interior angle measures 140
A regular polygon with interior angles that measure 140 degrees has 9 sides. All interior angles are congruent, meaning they have the same degree measure.
To find the number of sides in a regular polygon with a given interior angle measure, we can use the formula:
n = 360 / (180 - x)
where n is the number of sides and x is the measure of each interior angle in degrees.
This formula is derived from the fact that the sum of the interior angles in a polygon with n sides is given by the formula (n-2) * 180. In a regular polygon, each interior angle measures (Sum of interior angles / n). If we substitute the formula for the sum of interior angles into the formula for the measure of each interior angle, we get:
x = (n-2) * 180 / n
Solving for n:
n = 360 / (180 - x)
So, when we plug in the given interior angle measure of 140 degrees, we get:
n = 360 / (180 - 140)
n = 360 / 40
n = 9
Therefore, a regular polygon with interior angles that measure 140 degrees has 9 sides.
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How many sides does a regular polygon have if each interior angle measures 140?
Segment EF has endpoints E(-7, 14) and F(11, 5). Point P lies on EF at P(-3, 12).
What is the ratio of EP to PF?
I’m trying again. Brainly did it again
The ratio of EP to PF is given as follows:
EP : PF = 2 : 7.
How to obtain the ratio of EP to PF?The ratio of EP to PF is obtained applying the proportions in the context of the problem.
Looking at the x-coordinates, we have that:
|P - E| = 4.|F - P| = 14.The ratio must necessarily be the same for the y-coordinates, hence the ratio is given as follows:
EP : PF = 4 : 14.
EP : PF = 2 : 7.
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Can someone show meh pls
The tape diagram represents an equation.
Write an equation to represent the image
w 1.3 2.7
The equation that represents the image will be w + 1.3 = 2.7. And the value of 'w' will be 1.4.
What is the solution to the equation?An answer to a formula is any variable value that fulfills the equal outcomes, that is, it tends to make the Left Hand Side (LHS) and Right Hand Side (RHS) of the formula equal. To solve an equation, you must locate the feasible solution) to that formula.
The length of both tapes is the same. Then the equation is given as,
w + 1.3 = 2.7
Simplify the equation for w, then we have
w + 1.3 = 2.7
w = 1.4
The equation that represents the image will be w + 1.3 = 2.7. And the value of 'w' will be 1.4.
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a poker hand consists of ive cards drawn from a standard 52-card deck. find the expected number of aces in a poker hand given that the irst card drawn is an ace.
The expected number of aces in a poker hand given that the first card drawn is an ace is 0.235.
If the first card drawn is an ace, then there are only 3 aces left in the deck of 51 cards from which to draw the remaining 4 cards. Therefore, we can model the number of aces in the poker hand as a binomial random variable with parameters n = 4 (the number of cards after the first ace) and p = 3/51 (the probability of drawing an ace from the remaining deck).
The expected number of aces in a poker hand given that the first card drawn is an ace can be calculated as follows:
E(X) = np = 4 * 3/51 = 12/51 = 0.235
Therefore, the expected number of aces in a poker hand given that the first card drawn is an ace is approximately 0.235.
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____ The given question is incorrect, the correct question is given below:
A poker hand consists of five cards drawn from a standard 52-card deck. find the expected number of aces in a poker hand given that the first card drawn is an ace.
i need help with this problem
Answer: Yes. for each input there is exactly
ONE output
Step-by-step explanation:
I did the test and it was true.
what is the difference between 95.827 and 58.39
Answer:
37.437
Step-by-step explanation:
Answer:
37.437
Hope it helps
What is the growth factor of 2% decreased
The growth factor of a 2% decrease is 0.98.
What is a percentage?The percentage is calculated by dividing the required value by the total value and multiplying by 100.
Example:
Required percentage value = a
total value = b
Percentage = a/b x 100
Example:
50% = 50/100 = 1/2
25% = 25/100 = 1/4
20% = 20/100 = 1/5
10% = 10/100 = 1/10
We have,
The growth factor of 2% decreased.
This means,
100% - 2%
= 98%
= 98/100
= 0.98
Thus,
0.98 is the growth factor of a 2% decrease.
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= #14 i
PRECISION Figures A and B are similar. Figure A has a
perimeter of 72 meters and one of the side lengths is 18
meters. Figure B has a perimeter of 120 meters. Find the
missing corresponding side length.
The missing corresponding side length is
Previous
meters.
Next
The missing corresponding side length of figure B is 30 meter.
What is an equation?An equation is an expression that shows how numbers and variables are linked together using mathematical operations such as addition, subtraction, multiplication and division.
Two figures are said to be similar if the ratio of their corresponding sides are in the same proportion.
Figures A and B are similar. Figure A has a perimeter of 72 meters and one of the side lengths is 18 meters. Figure B has a perimeter of 120 meters. Find the missing corresponding side length.
Let x represent the missing side length. Hence:
Scale factor = figure B perimeter / figure A perimeter = 120/72
Hence:
scale factor = figure B side length / figure A side length
substituting:
120/72 = x / 18
x = 30 meter
The missing side length is 30 meter.
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solve for v -62=8v-12v-18
Answer:
v=11
Step-by-step explanation:
Combined like terms and then divide at the end
Answer: V=11
Step-by-step explanation: Isolate the variable by dividing each side by factors that don't contain the variable.