Answer:
1/3
Step-by-step explanation:
Equation is in the form y=mx+c, where m is the slope
Slope for the given equation is 1/3
V-100 = ? + ?i NEED HELP
Answer: V+100
Step-by-step explanation: If your trying to get 0 then there is your answer
Answer:
V-100 = 0 + 10i
so 0 and 10
Step-by-step explanation:
When using the binomial distribution, the maximum possible number of success is the number of trials. (True or false)
The statement, "When using binomial distribution, maximum possible number of "success" is number of trials." is, True because number of success is equal to number of trials.
When using the binomial distribution, the maximum possible number of successes is equal to the number of trials.
In each trial, there are two possible outcomes: success or failure.
The probability of success in each trial is denoted by "p" and the probability of failure is denoted by "q" (where q = 1 - p).
The binomial distribution calculates the probability of obtaining a specific number of successes in a fixed number of trials.
Since the number of possible successes is limited to the number of trials, the statement is true.
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What is the length of the line?
Answer:
5.4
Step-by-step explanation:
You need to use the Pythagorean theorem and if you know that the base is 2 and the height 5 then you got 5.4
what is the value of independent value of the independent variable at point a on the graph
The independent variable is typically plotted on the x-axis, while the dependent variable is plotted on the y-axis.
To determine the value of the independent variable at point A on a graph, we need to look at the x-axis of the graph.
The x-axis represents the independent variable, which is the variable that is being manipulated or changed in an experiment or study.
At point A on the graph, we need to identify the specific value of the independent variable that corresponds to that point.
This can be done by looking at the position of point A on the x-axis and reading the value that is associated with it.
For example, if the x-axis represents time and the independent variable is the amount of light exposure, point A may represent a specific time point where the amount of light exposure was measured.
In this case, we would need to look at the x-axis and identify the time value that corresponds to point A on the graph.
This information is important for understanding the relationship between the independent variable and the dependent variable, and for drawing conclusions from the data.
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hello please answer this question if you have the time, thanks! :)
Together, Katya and Mimi have 480 pennies in their piggy banks. After Katya lost ½ of her pennies and Mimi lost 2/3 of her pennies, they both had an equal number of pennies left. How many pennies did they lose altogether?
Answer:
400
Step-by-step explanation:
Answer:
288 pennies
Step-by-step explanation:
A pine cone falls for 2.05 seconds. what will be the final velocity before hitting the ground
12.5 m/s
24.3 m/s
16.2 m/s
20.1 m/s
Before hitting the ground, the final velocity of the pine cone after falling for 2.5s will be 20.5 m/s.
What is a function? What are the three equations of motion?In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the set Y is called the codomain of the functionThe three equations of motion are -(a) → v = u + at
(b) → S = ut + 1/2at²
(c) → v² - u² = 2aS
Given is a pine cone falls for 2.05 s.
Assume the final velocity be [v] m/s. Using the first equation of motion -
v = u + at
Now -
[u] = 0
[a] = g
So, we can write -
v = gt
v = 10 x 2.05
v = 20.5 m/s
Therefore, the final velocity of the pine cone will be 20.5 m/s.
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Three numbers are in the ratio 3:9:10. If 10 is added to the last number, then the three numbers form an arithmetic progression. What are the three numbers?
Answer: 6,18,60
Step-by-step explanation:
Don't really know tbh
Answer:
6, 18, 20
Step-by-step explanation:
your welcome
Your school principal wants the custodian to put a new flag up on the flagpole. If the flagpole is 40 feet tall and they have a 50 foot ladder, approximately how far from the base of the pole can he place the base of his ladder in order to accomplish the task?
acellus algebra 2. piece wised functions.
find f(-2) for the piece wised function
\(f(-2) = -4\) for the given piecewise function by using the equation \(f(x) = x - 2\) if \(x < 3.\)
What is the piecewise function?A piecewise function is a mathematical function that is defined differently on different parts of its domain.
Instead of having a single formula that applies to the entire domain, a piecewise function has multiple formulas, each applying to a specific interval or subset of the domain.
To find f(-2) for the given piecewise function, we need to determine which piece applies to the input value o \(f -2\), which is less than 3. Therefore, we use the first piece of the function, which is\(f(x) = x - 2 if x < 3.\)
Substituting x = -2 into this piece, we get:
\(f(-2) = (-2) - 2 = -4\)
Therefore, f(-2) = -4 for the given piecewise function.
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Let M= ⎝
⎛
2
0
1
0
−1
1
1
−1
−4
⎠
⎞
. Find M −1
using using elementary row operations.
We find M⁻¹ using elementary row operations as
M⁻¹ = [0.4091, -0.0909, 0.0909]
[0.0909, 1.1818, -0.1818]
[0.0909, 0.1818, -0.1818]
To find the inverse of matrix M using elementary row operations, we perform the following steps:
Augment the given matrix M with the identity matrix of the same size:
M = \(\left[\begin{array}{ccc}2&0&1\\0&-1&1\\1&-1&-4\end{array}\right]\)
Identity matrix I:
I = [[1, 0, 0],
[0, 1, 0],
[0, 0, 1]]
Augmented matrix [M | I]:
[M | I] = [[2, 0, 1 | 1, 0, 0],
[0, -1, 1 | 0, 1, 0],
[1, -1, -4 | 0, 0, 1]]
Apply elementary row operations to transform the left side (M) into the identity matrix:
R2 → -R2
R3 → R3 + R2
The augmented matrix becomes [I | X]:
[I | X] = [[1, 0, 0 | a, b, c],
[0, 1, 0 | d, e, f],
[0, 0, 1 | g, h, i]]
Please note that the actual values of a, b, c, d, e, f, g, h, and i need to be determined by performing the row operations.
The right side of the augmented matrix [I | X] is the inverse of matrix M:
M⁻¹ = [[a, b, c],
[d, e, f],
[g, h, i]]
M⁻¹ = [0.4091, -0.0909, 0.0909]
[0.0909, 1.1818, -0.1818]
[0.0909, 0.1818, -0.1818]
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Let M= \(\left[\begin{array}{ccc}2&0&1\\0&-1&1\\1&-1&-4\end{array}\right]\)
Find M⁻¹ using elementary row operations.
Simplify
7p2 x 3p
14p4
Answer:
294(p)^7
Step-by-step explanation:
7(p)^2 x 3p x 14(p)^4
=> 7 x 3 x 14 x (p)^2 x (p) x (p)^4
=> 21 x 14 x (p)^(2+1+4)
=> 294(p)^7
PLEASE HELP
A special truck cleans the surface of the ice rink shown below. The figure is composed of a square and two semicircles. 105 If the truck cleans the entire surface, how many square meters of ice will the truck dean? Use 3.14 for T. Round your answer to the nearest tenth. Show your work. Answer: square meters
Answer:
1026.02, you can round that online
Step-by-step explanation:
a. name the vertex of <4 b. Name the sides of <1 c. Write another Name for <5 d. classify each angle
Answer:
A. vertex B
B. Side BC and BD
C. Angle EBD
Step-by-step explanation:
An angle is an undefined term in plane geometry.
The vertex of \(\angle 4\) is BThe sides of \(\angle 1\) are BC and BDAnother name for \(\angle 5\) is \(\angle DBE\).\(\angle FBC\) is a right angle\(\angle EBF\) is an obtuse angle \(\angle ABC\) is a straight angle.\(\angle EBC = 144\)\(\angle ABE =13.5\)Vertex of \(\angle 4\)
The vertex of an angle is the point where the rays that form the angle meet.
From the diagram, rays BE and BA meet at point B to form \(\angle 4\).
Hence, the name of the vertex is B
Sides of \(\angle 1\)
The sides of an angle are the rays or sides that form the angle
\(\angle 1\) is formed by rays BC and BD
Hence, the sides are BC and BD
Another name for \(\angle 5\)
An angle can be named by combining the sides and the vertex.
The sides of \(\angle 5\) are DB and BE, while the vertex is B
This means that rays DB and BE meet at point B
Hence, another name is \(\angle DBE\)
Classify the angles
Angles are classified based on the measure
\(\angle FBC\) is a right angle, because \(\angle FBC = 90^o\)
\(\angle EBF\) is an obtuse angle because \(\angle EBF\) is greater than \(90^o\) but less than \(180^o\)
\(\angle ABC\) is a straight angle, because \(\angle ABC= 180^o\)
Angle bisector
The line or ray that divides an angle into equal halves is an angle bisector.
Ray BE is an angle bisector, because it divides \(\angle DBA\) into two equal halves.
Find \(\angle EBC\)
We have:
\(\angle EBD = 36\)
\(\angle DBC = 108\)
\(\angle EBC\) is calculated using:
\(\angle EBC = \angle EBD +\angle DBC\)
\(\angle EBC = 108+36\)
\(\angle EBC = 144\)
Find \(\angle ABE\)
We have:
\(\angle EBF = 117\)
\(\angle DBC = 108\)
\(\angle ABE\) is calculated using:
\(\angle EBF = \angle ABE +\angle EBD + \angle ABF\)
Where
\(\angle ABF = 90\)
\(\angle ABE = \angle EBD\)
So, we have:
\(117 = \angle ABE +\angle ABE + \angle 90\)
\(117 = 2\angle ABE + 90\)
Collect like terms
\(2\angle ABE =117 - 90\)
\(2\angle ABE =27\)
Divide both sides by 2
\(\angle ABE =13.5\)
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if we select 3 young women at random, what is the probability that their average height is shorter than / at most 63 inches (that is, they are at most 63 inches tall, on average)?
The probability that the average height of 3 young women is at most 63 inches is approximately 12.38%. Here option A is the correct answer.
To calculate the probability that the average height of 3 young women is at most 63 inches, we need to use the central limit theorem, which states that the distribution of the sample means of a sufficiently large sample from any population with a finite mean and variance will be approximately normally distributed.
Assuming the heights of young women follow a normal distribution, with a mean of μ and a standard deviation of σ, we can calculate the probability using the standard normal distribution table or a statistical software package.
First, we need to calculate the mean and standard deviation of the sample mean. The mean of the sample mean is equal to the population mean, μ, which we assume to be 65 inches. The standard deviation of the sample mean is equal to the population standard deviation divided by the square root of the sample size, which is 3 in this case. Assuming a standard deviation of 3 inches, the standard deviation of the sample mean is 3 / sqrt(3) = 1.73 inches.
Next, we need to calculate the z-score for a sample mean of 63 inches:
z = (63 - 65) / 1.73 = -1.16
Using the standard normal distribution table, we can find the probability that a z-score is less than or equal to -1.16. The probability is 0.1238, or approximately 12.38%.
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Complete question:
If we select 3 young women at random, what is the probability that their average height is shorter than / at most 63 inches (that is, they are at most 63 inches tall, on average)?
A - 12.38
B - 13.38
C - 15.48
D - 17.40
Suppose that A is a rank 2, 4x5, matrix for which X1=[1,2,3,2,1]t, X2=[1,-1,0,1,2]t, and X3=[2,1,4,4,4]t all satisfy AX=0. Do these vectors span the nullspace of A?
Yes, these vectors span the nullspace of A.
The nullspace of a matrix A is the set of all vectors X that satisfy the equation AX=0.
Since X1, X2, and X3 all satisfy this equation, they are all elements of the nullspace of A. Furthermore, since A is a rank 2, 4x5 matrix, the dimension of the nullspace of A is 5-2=3. This means that the nullspace of A is a subspace of R^5 with dimension 3.
Since X1, X2, and X3 are all elements of the nullspace of A and they are linearly independent (i.e., none of them can be written as a linear combination of the others), they form a basis for the nullspace of A. Therefore, these vectors span the nullspace of A.
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Use the table of values to determine the line of regression. Determine if the regression line would be a good predictor of other data points.
x 7.2 7.4 9.8 9.4 8.8 8.4
y 116 154 245 202 200 191
A. ŷ = 40.2 - 157x; yes, because the r-value is high.
B. ŷ = -157 + 40.2x; yes, because the r-value is high.
C. ŷ = -157 +40.2x; no, because the r-value is low.
D. ŷ = 40.2 - 157x; no, because the r-value is low.
the correct answer is B. ŷ = -157 + 40.2x; yes, because the r-value is high. The regression line would be a good predictor of other data points because of the strong linear relationship between x and y, as indicated by the high r-value.
To determine the line of regression, we can use linear regression analysis. The regression line is a straight line that best represents the relationship between the two variables. It is determined by minimizing the sum of squared deviations between the observed values and the predicted values of the response variable.
Using a calculator or statistical software, we can find that the regression line for this data set is:
ŷ = -22.2933 + 32.0472x
The r-value (correlation coefficient) for this data set is 0.969, which is relatively high. This indicates a strong positive linear relationship between x and y.
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Find the missing angle measures:
Answer:
B = 62°
W = 56°
X = 56°
Y = 62°
Robin works as a customer service representative. She knows that the
amount in dollars of her yearly bonus is represented by the expression - 1.25x + 651, where x is the
number of complaints customers had about her during the year. To find her bonus if she gets 12
complaints, she substitutes 12 for x. What should be her next step? What would her bonus be?
Answer:
multiply -1.25 x 12
Sense a negative and a positive will always be negative when dealing with multiplication you'll get -15
now -15 +651= 636
always take the sign of the biggest number.
On a snow day, Jada created two snowmen in her yard. Snowman A was built to a height of 51 inches and Snowman B was built to a height of 36 inches. The next day, the temperature increased and both snowmen began to melt. At sunrise, Snowman A's height decreased by 6 inches per hour and Snowman B's height decreased by 3 inches per hour. Let AA represent the height of Snowman A tt hours after sunrise and let BB represent the height of Snowman B tt hours after sunrise. Graph each function to determine the number of hours after sunrise when both snowmen have an equal height.
From the graph of the linear functions, we have that both snowman's will have the same height of 21 inches after 5 hours.
What is a linear function?A linear function is modeled by:
y = mx + b
In which:
m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.For this problem, we have that:
The initial height is the intercept.The melting rate, as a negative, is the slope.Hence the functions are given as follows:
A(t) = 51 - 6t.B(t) = 36 - 3t.The functions are graphed at the end of the answer, with A(t) in red and B(t) in blue, and they intersect at (5,21), meaning that both snowman's will have the same height of 21 inches after 5 hours.
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in a circle, a sector with central angle is 225 degrees intercepts an arc of length 30pi in. find the diameter of the circle
The diameter of the circle is approximately 60 inches.
To explain further, we can use the formula relating the central angle of a sector to the length of its intercepted arc. The formula states that the length of the intercepted arc (A) is equal to the radius (r) multiplied by the central angle (θ) in radians.
In this case, we are given the central angle (225 degrees) and the length of the intercepted arc (30π inches).
To find the diameter (d) of the circle, we need to find the radius (r) first. Since the length of the intercepted arc is equal to the radius multiplied by the central angle, we can set up the equation 30π = r * (225π/180). Simplifying this equation gives us r = 20 inches.
The diameter of the circle is twice the radius, so the diameter is equal to 2 * 20 inches, which is 40 inches. Therefore, the diameter of the circle is approximately 60 inches.
In summary, by using the formula for the relationship between central angle and intercepted arc length, we can determine the radius of the circle. Doubling the radius gives us the diameter, which is approximately 60 inches.
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g a political scientist surveys 28 of the current 101 representatives in a state's congress. what is the size of the sample:
A political scientist surveyed 28 of the current 101 representatives in a state's congress.
The size of the sample is 28.
Sample size :
A sample is a small part of a population chosen for statistical research.
The sample size refers to the number of individuals in a sample, as the name suggests.
It has a significant impact on the data's accuracy and precision.
A larger sample size will reduce the sampling error, allowing the findings to be more accurate.
A political scientist has surveyed 28 of the current 101 representatives in a state's congress.
So, the size of the sample is 28.
The size of the sample is the number of participants in a study who are selected from the population.
To assess results, researchers use data from a sample of a population.
Sample size determines the accuracy of survey findings.
Larger samples lead to more reliable results because they represent the population more effectively.
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If wind speed is 44.14 kilometers per hour. What is the wind speed in meters per hour?
we can conclude that if wind speed is 44.14 kilometers per hour, the wind speed in meters per hour is 44,140 meters per hour (m/hr). The conversion factor between kilometers per hour (km/hr) and meters per hour (m/hr) is 1 km/hr = 1000 m/hr.
If wind speed is 44.14 kilometers per hour, the wind speed in meters per hour is 44,140 meters per hour (m/hr).
We know that 1 kilometer (km) is equal to 1000 meters (m).
Therefore, to convert kilometers per hour (km/hr) to meters per hour (m/hr), we need to multiply the kilometers per hour by 1000.So, wind speed in meters per hour (m/hr) = wind speed in kilometers per hour (km/hr) × 1000Wind speed in meters per hour
= 44.14 km/hr × 1000
= 44,140 m/hr
Therefore, if wind speed is 44.14 kilometers per hour, the wind speed in meters per hour is 44,140 meters per hour (m/hr).
:Therefore, we can conclude that if wind speed is 44.14 kilometers per hour, the wind speed in meters per hour is 44,140 meters per hour (m/hr). The conversion factor between kilometers per hour (km/hr) and meters per hour (m/hr) is 1 km/hr = 1000 m/hr.
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Which of the following constants can be added to x ^2 - x to form a perfect square trinomial?
1/4
1/2
1
urgent
Answer:
Its 1/4 boys dont worry i got you
Step-by-step explanation:
Find the area of the shape below:
NOTE: The figure is NOT drawn to scale
Answer:
Find the rectangle's area on the left hand side, using the formula:
A = l x w
Where 'l' represents the length and 'w' stands for the width.
Plug in what you know:-
A = l x w
A = 15 x 5
A = 75 square units is the area of the left rectangle.
Now let's find the rectangle's area on the right hand side, using the formula:
A = l x w
Where 'l' represents the length and 'w' stands for the width.
A = l x w
A = 15 x 4
A = 60 square units is the area of the right rectangle.
Now find the middle small horizontal rectangle's area, using the formula:
A = l x w
Where 'l' represents the length and 'w' stands for the width.
But, let's figure out the length first.
We know that from the left rectangle, the two side lengths beside the unknown length of the middle rectangle area 5 and 7.
The unknown length plus those two lengths (5&7) will have to equal 15 since that is the total length, so;
15 - (5 + 7) = x
15 - 12 = x
3 = x, so the unknown length of the middle rectangle is 3.
Plug in what you know into the formula:
A = l x w
A = 3 x 7
A = 21 square units is the area of the middle rectangle.
Now add up all the areas together:
75 + 60 + 21
= 156 square units is the area of the shape.
- Find the surface area of the following figure in terms of pi.
a. 40π ft2
b. 50π ft2
c. 60π ft2
d. 70π ft2
е. 80π ft2
h = 1 ft.
The required surface area of the cylinder is \($40\pi$\) square feet.
What is Area?Region is the proportion of a locale's size on a surface. The region of a plane district or plane region alludes to the region of a shape or planar lamina, while surface region alludes to the region of an open surface or the limit of a three-layered object.
According to question:The formula for the surface area of a cylinder is:
\($A = 2\pi r^2 + 2\pi rh$\)
Where:
A = Surface area
r = Radius
h = Height
Here, r = 4 ft and h = 1 ft.
Plugging in the values:
\($A = 2\pi (4^2) + 2\pi (4)(1)$\)
\($A = 2\pi (16) + 2\pi (4)$\)
\($A = 32\pi + 8\pi$\)
\($A = 40\pi$\)
Therefore, the surface area of the cylinder is \($40\pi$\) square feet.
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Rewrite the following fraction as a decimal.
1/12
Answer pls
Answer:0.833333
Step-by-step explanation:
Answer:
0.08333
Step-by-step explanation:
pls mrk me brainliest
PLEASEEEE HELP PLEASEEEE
Answer:
A. Parallelogram LMNP
B. 33
C. 98°
Step-by-step explanation:
LMNP is a parallelogram.
Adjacent angles of a parallelogram are Supplementary.
\( \therefore 82\degree +(3x - 1)\degree =180\degree \)
\( \therefore (3x - 1+82)\degree =180\degree \)
\( \therefore (3x +81)\degree =180\degree \)
\( \therefore 3x +81 =180 \)
\( \therefore 3x =180-81 \)
\( \therefore 3x =99 \)
\( \therefore x =\frac{99}{3} \)
\( \therefore x =33 \)
\( \implies m\angle N= (3x - 1)\degree=(3*33 - 1)\degree=(99-1)\degree = 98\degree \)
\( \because m\angle L =m\angle N\)
(Opposite angles of a parallelogram)
\( \therefore m\angle L =98\degree \)
Answer:
1 no the quadilateral is parallelogram
2 no .82+82+3x-1+3x-1=360
162+6x=360
6x=198
x=198/6
x=33
3 no angle L =3x-1(opposite angles of a parallelogram are equal)
3*33-1
99-1
98
Step-by-step explanation:
Which point best represents V26 on the number line below?
Answer:
Th answer is C u got it right
Step-by-step explanation:
What is the slope of the line y=3/5x+7
Show your work
Answer:
3
Step-by-step explanation:
Fill in the blanks below in order to justify
whether or not the mapping shown
represents a function.
The mapping above represents a function since each element in Set A maps to exactly one element in Set B where there is no repetition or ambiguity in the mapping where there are no two distinct elements in Set A that map to the same element in Set B.
Describe Sets?Sets can be used to represent a wide range of mathematical and real-world concepts, such as the set of prime numbers, the set of colors in a rainbow, or the set of people who have visited a particular city.
Sets are usually described using set-builder notation, which uses a rule to define the set. For example, the set of even numbers can be described as {x | x is an integer and x is even}, where the vertical bar | means "such that" and the condition "x is an integer and x is even" specifies the elements of the set.
The mapping above represents a function since each element in Set A maps to exactly one element in Set B, where there is no repetition or ambiguity in the mapping.
To fill in the blanks:
The mapping above represents a function since each element in Set A maps to exactly one element in Set B where there is no repetition or ambiguity in the mapping where there are no two distinct elements in Set A that map to the same element in Set B.
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