Answer:
g(x) will be 4 units under f(x), and will be parallel.
Step-by-step explanation:
The only thing changing is the constant, or y-intercep. This is shown in -4, so 4 units lower. Slope will stay the same because it has not been modified in the expression for g(x).
Answer:
The graph of g(x) is the graph of f(x) translated 4 units down.
Step-by-step explanation:
Help please thank you!
Step-by-step explanation:
p = -1, -4
q = -2, 2
p-q = (-1, -4) -1(-2, 2)
= 1, -6
Show that a) **8(1)e¯jº dt =1. b) [8(1-2)cos (1) dt = 0. 4 -2(x-1) c) √ 8(2-1)e ²(x-¹)dt = e²²(x-²)
a) \(\[8\int_{-\infty}^{0} e^{-j\theta} d\theta = 1\]\)
To solve this integral, we can use the fundamental property of the exponential function:
\(\[\int e^{ax} dx = \frac{1}{a} e^{ax} + C\]\)
In this case, we have \(\[e^{-j\theta}\].\) Since \(\(j\)\) represents the imaginary unit, we can rewrite it as \(\[e^{-i\theta}\].\)
Using the property of the exponential function, we have:
\(\[8\int_{-\infty}^{0} e^{-j\theta} d\theta = 8 \left[\frac{1}{-j} e^{-j\theta}\right]_{-\infty}^{0}\]\)
Evaluating the limits, we have:
\(\[8 \left(\frac{1}{-j} e^{0} - \frac{1}{-j} e^{-j(-\infty)}\right)\]\)
Simplifying, we get:
\(\[8 \left(\frac{1}{-j} - \frac{1}{-j} \cdot 0\right) = 8 \left(\frac{1}{-j}\right) = 8 \cdot (-j) = -8j\]\)
Therefore, \(\[8\int_{-\infty}^{0} e^{-j\theta} d\theta = -8j\].\)
b) \(\[\int_{0}^{1} 8(1-2)\cos(\theta) d\theta = 0.4 - 2(x-1)\]\)
To solve this integral, we can use the property of the cosine function:
\(\[\int \cos(ax) dx = \frac{1}{a} \sin(ax) + C\]\)
In this case, we have \(\[8(1-2)\cos(\theta) = -8\cos(\theta)\]\). Therefore, we can rewrite the expression as:
\(\[\int_{0}^{1} -8\cos(\theta) d\theta = 0.4 - 2(x-1)\]\)
Using the property of the cosine function, we have:
\(\[-8 \int_{0}^{1} \cos(\theta) d\theta = 0.4 - 2(x-1)\]\)
The integral of the cosine function is given by:
\(\[\int \cos(\theta) d\theta = \sin(\theta) + C\]\)
Evaluating the integral, we get:
\(\[-8 \left[\sin(\theta)\right]_{0}^{1} = 0.4 - 2(x-1)\]\)
Simplifying, we have:
\(\[-8 \left(\sin(1) - \sin(0)\right) = 0.4 - 2(x-1)\]\)
\(\[-8\sin(1) = 0.4 - 2(x-1)\]\)
Finally, we can solve for \(\(x\)\) by isolating it on one side:
\(\[2(x-1) = 0.4 + 8\sin(1)\]\)
\(\[x - 1 = 0.2 + 4\sin(1)\]\)
\(\[x = 1.2 + 4\sin(1)\]\)
Therefore, \(\[\int_{0}^{1} 8(1-2)\cos(\theta) d\theta = 0.4 - 2(x-1)\] simplifies to \(x = 1.2 + 4\sin(1)\).\)
c) \(\[\int_{1}^{2} \sqrt{8(2-1)}e^{2(x-1)} dt = e^{22(x-2)}\]\)
Let's simplify the expression first:
\(\[\int_{1}^{2} \sqrt{8}e^{2(x-1)} dt = e^{22(x-2)}\]\)
We can factor out \(\(\sqrt{8}\)\) from the integral:
\(\[\sqrt{8} \int_{1}^{2} e^{2(x-1)} dt = e^{22(x-2)}\]\)
The integral of \(\(e^{2(x-1)}\)\) can be evaluated using the following property:
\(\[\int e^{ax} dx = \frac{1}{a} e^{ax} + C\]\)
In this case, \(\(a = 2\)\), so the integral becomes:
\(\[\sqrt{8} \left[\frac{1}{2} e^{2(x-1)}\right]_{1}^{2} = e^{22(x-2)}\]\)
Evaluating the limits, we have:
\(\[\sqrt{8} \left(\frac{1}{2} e^{2(2-1)} - \frac{1}{2} e^{2(1-1)}\right) = e^{22(x-2)}\]\)
Simplifying, we get:
\(\[\sqrt{8} \left(\frac{1}{2} e^{2} - \frac{1}{2} e^{0}\right) = e^{22(x-2)}\]\[\sqrt{8} \left(\frac{1}{2} e^{2} - \frac{1}{2}\right) = e^{22(x-2)}\]\)
Simplifying further, we have:
\(\[\sqrt{8} \left(\frac{e^{2}}{2} - \frac{1}{2}\right) = e^{22(x-2)}\]\[\sqrt{8} \left(\frac{e^{2} - 1}{2}\right) = e^{22(x-2)}\]\)
Finally, we can solve for \(\(e^{22(x-2)}\)\) by isolating it on one side:
\(\[e^{22(x-2)} = \sqrt{8} \left(\frac{e^{2} - 1}{2}\right)\]\)
Therefore, \(\[\int_{1}^{2} \sqrt{8(2-1)}e^{2(x-1)} dt = e^{22(x-2)}\] simplifies to \(e^{22(x-2)} = \sqrt{8} \left(\frac{e^{2} - 1}{2}\right)\).\)
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a sphere is inscribed in a unit cube. a smaller cube is then inscribed within the sphere. what is the side length of the smaller cube?
Answer:10
Step-by-step explanation:
beausepppppp
The side length of the smaller cube inscribed within the sphere is approximately 0.7071.
To find the side length of the smaller cube inscribed within the sphere, which is inscribed in a unit cube, we can follow these steps:
Determine the diameter of the inscribed sphere.
Since the sphere is inscribed in the unit cube, its diameter will be equal to the side length of the unit cube. Therefore, the diameter of the inscribed sphere is 1.
Calculate the radius of the inscribed sphere.
The radius of the sphere is half of its diameter, so the radius is 0.5.
Apply the Pythagorean theorem to the smaller cube.
We can imagine a right triangle formed by half the side length of the smaller cube (let's call this length 's') and the sphere's radius (0.5) as the two shorter sides, and the diagonal of the smaller cube as the hypotenuse.
By applying the Pythagorean theorem, we get:
(s/2)^2 + (s/2)^2 = (0.5)^2
Solve for the side length 's' of the smaller cube.
Expanding the equation, we get:
2 * (s^2 / 4) = 0.25
(s^2 / 2) = 0.25
s^2 = 0.5
s = sqrt(0.5)
Express the side length 's' of the smaller cube.
The side length of the smaller cube, 's', is equal to the square root of 0.5, which can also be written as sqrt(0.5) or approximately 0.7071.
So, the side length of the smaller cube inscribed within the sphere is approximately 0.7071.
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Ted is making trail mix for the party. He mixes 1 1/2 cups of nuts, 1/4 cup of raisins, and 1/4 cups of pretzels. How many cups of pretzels does Ted need to make 15 cups of trail mix?
Answer:
13 more cups of trail mix or 13 1/4 cups
Step-by-step explanation:
1 1/2 (nuts) + 1/4(raisins) + 1/4(pretzels)=2 cups of trail mix
15-2=13
What is the length of arc S shown below?
Enter an exact expression.
SA
21
MY
S
4
2 cm
Pro
PO
The angle in the figure is a central angle in radians.
Answer: pi/2
Step-by-step explanation:
how much do national football league players weigh on aerage in a random sample of 50 nfl players the average weight is 244.4 pounds
This statistic is based on an average of all players in the NFL. The average weight of a random sample of 50 NFL players may be slightly different.
This statistic is based on an average of all players in the NFL. It is not possible to accurately estimate the average weight of a random sample of 50 NFL players without actually measuring the weight of each individual player. The average weight of a random sample of 50 NFL players may be slightly different due to the randomness of the sample and individual player physical characteristics.
In order to accurately determine the average weight of a random sample of 50 NFL players, the weight of each individual player must be measured. The sample size of 50 players is relatively small, and the results may be significantly affected by the inclusion or exclusion of a single player. Additionally, the average weight of the sample may vary due to individual player physical characteristics such as height, body composition, and muscle mass. Furthermore, the average weight could be affected by the age and experience level of the players in the sample. All of these factors should be taken into consideration when attempting to determine the average weight of a random sample of NFL players.
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PLEASE HELP! WILL CHOSE BRAINLIST!
Suppose you are making a scale drawing Find the length of each object on the scale drawing with given scale. Then find the scale factor. 5-6 a parking lot 480 meters wide; 1 centimeter= 16.5 meters 7-8 A desk 6 feet long; 1.5 inches= 0.5 feet. Sorry the first ones that I sent were not finished.
Answer:
1 cm = 16.5 m
1 m = 1 : 16.5 = 0.060606 cm
480 * 0.060606 = 29.09088 cm ( on the scale drawing )
B :
1.5 in = 0.5 ft
6 ft = 0.5 ft * 12
12 * 1.5 in = 18 inches
Step-by-step explanation:
Marlin obtains a 20/6 balloon mortgage to finance $305,500 at 5.75%. How much principal and interest will he have already paid when his
balloon payment is due?
$188,267.86
$152,285.77
$154,430.64
$249,256.48
Answer:
$154,430.64
Step-by-step explanation:
The first step is for us to determine the monthly payment as follows:
Mortgage amount can be found as the present value of all monthly payments, hence, using the formula below we can determine monthly payment as follows:
mortgage amount=monthly payment*(1-(1+r)^-n/r
mortgage amount=$305,500
monthly payment is unknown
r=monthly interest rate=5.75%/12=0.4791667%
n=number of monthly payments in 20years=20*12=240
305,500=monthly payment*(1-(1+0.4791667% )^-240/0.4791667%
305,500=monthly payment*(1-0.31750756 )/0.0047916670
305,500=monthly payment*0.68249244 /0.0047916670
monthly payment=305,500*0.0047916670 /0.68249244
monthly payment=$2,144.87
Number of months that payments have been made=6*12=72
total paid=$2,144.87*72
total paid for 6 years=$ 154,430.64
Which one of the following is NOT a problem - solving strategy in mathematics?Solving BackwardsGraphic representationRote MemorisationTrial and error
Rote learning is NOT a problem- solving strategy in mathematics.
Mathematics is the study of numbers, shape, quantity, and patterns. Teaching methods of mathematics include problem- solving, lecture, inductive, deductive, analytic, synthetic and Discovery Method. The teacher adopts any method according to the needs and interest of students.
Now, According to the question:
Problem Solving Strategy in Mathematics: In a mathematics class, students at the primary level enjoy learning, solving problems, develop mathematical curiosity and become confident in using mathematics to analyze and solve problems.
Problem - solving is a learner- centered approach that emphasizes learner's active involvement in the learning process. In this approach, teachers create a problematic situation for students and then assists them in perceiving, defining and stating the problems in a fear- free classroom environment.
Hence, Rote learning is NOT a problem- solving strategy in mathematics
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Male and female high school students reported how many hours they worked each week in
summer jobs. The data is represented in the following box plots.
0
Males
Females
4.
10
20
30
40
50
Identify any values of data that might affect the statistical measures of spread and center. (1
point)
The value of data that might affect the statistical measures of spread and center is B. There is a high data value that causes the data set to be asymmetrical for the males.
How can spread and center be affected ?Outliers stretch out the data further, resulting in a wider range and a higher standard deviation. On the other hand, eliminating outliers reduces data spread, resulting in a lower range and standard deviation.
When an outlier is present, it might change the way the graph looks since it raises the mean. From the chart, there is a high data value in the males which will therefore make the data to be asymmetrical for the males as the larger spread for the males means the data set tilts towards them.
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Find the surface area of the prism. Write your answer as a fraction or moxed number.
Which of the following points is located in the third quadrant of the coordinate plane?
A. (7, -15)
B. (7, 15)
C. (-7, -15)
D. (-7, 15)
Answer:
C. (-7, -15)
Step-by-step explanation:
Both the x- and the y-coordinates of a point in the third quadrant are negative. The given point C. (-7, -15) is the only one of the four choices that satisfies this criterion.
Describe two different way to find the product 4x2/3
Answer:
8/3
Step-by-step explanation:
1. 2 ÷ 3 = .66
.66 · 4 = 2.6
2. 4 × 2/3 =
4/1 × 2/3 = 8/3
good luck, i hope this helps :)
y = 10 is a solution for 7(x + 9) = 132
Answer:
its close 9.45
Step-by-step explanation:
7(x+9)=132
7x+63=132
7x=132-63
7x=69
x=69/7
x=9.45
Answer:
Your answer is 67/9 or 9 6/7
Step-by-step explanation:
help
kiloikuhgrfdsxdcfgbhujolp0;polk
Answer: 1. infinitely many solutions
2. no solution
3. one solution
4. no solution
5. infinitely many solutions
Step-by-step explanation:
1. infinitely many solutions - when it is consistent and the number of variables is more than the number of nonzero rows
2. no solution - would mean that there is no answer to the equation. It is impossible for the equation to be true no matter what value we assign to the variable.
3. one solution - which is when one variable equals one number
4. no solution
5. infinitely many solutions
help asap 7(8+4k)+12
=============================================
Work Shown:
7(8+4k)+12
7*8+7*4k+12 ..... distributive property
56+28k+12
28k+56+12
28k+68
Answer:
28k + 68? I think
Step-by-step explanation:
expand by distributing terms
56+28k+12
collect lile terms
28k+(56+12)
Simplify
28k+ 68
Find the factors then solve the quadratic of x^2+9x+20
Step 1: Multiply a and c
a = 1
c = 20
a * c = 20
Step 2: Find factors of +20 that add up to +9
Factors of 20 = 1, 2, 4, 5, 10, 20
The two factors that add up to 9 are 4 and 5.
Step 3: Factor
(x + 4)(x + 5) = 0
Answer: (x + 4)(x + 5) = 0
Hope this helps!
What is the midpoint of the segment shown below? For geometry worksheet!
Answer:
C
Step-by-step explanation:
The y-coordinate is the average of 7 and -1 which is 3. This eliminates options A and D. Option B doesn't make sense since 5 is greater than 3, so that leaves us with option C.
Answer:
C.
Step-by-step explanation:
The midpoint is (3+2)/2 , (7 + -1) / 2)
= (5/2, 6/2)
= (5/2, 3)
From the diagram below, of the distance between the tree and point B is 125 meters, and the angle of depression from the top of the tree to point B is 46 degrees, how tall is the tree in meters? (round to the nearest whole meter)
Answer:
a. 129 meters
Step-by-step explanation:
The given parameters of the tree and the point B are;
The horizontal distance between the tree and point B, x = 125 meters
The angle of depression from the top of the tree to the point B, θ = 46°
Let h represent the height of the tree
The horizontal line at the top of the tree that forms the angle of depression with the line of sight from the top of the tree to the point B is parallel to the horizontal distance from the point B to the tree, therefore;
The angle of depression = The angle of elevation = 46°
By trigonometry, we have;
tan(θ) = h/x
∴ h = x × tan(θ)
Plugging in the values of the variables gives;
h = 125 × tan(46°) ≈ 129.44
The height of the tree, h ≈ 129 meters
n a mid-size company, the distribution of the number of phone calls answered each day by each of the 12 receptionists is bell-shaped and has a mean of 55 and a standard deviation of 10. using the empirical rule (as presented in the book), what is the approximate percentage of daily phone calls numbering between 35 and 75?
According to the empirical rule, approximately 95% of the data falls within two standard deviations of the mean. Therefore, the approximate percentage of daily phone calls numbering between 35 and 75 is 95%.
We have been given that the number of phone calls answered each day by each of the 12 receptionists is bell-shaped and has a mean of 55 and a standard deviation of 10.
We are asked to find out the approximate percentage of daily phone calls numbering between 35 and 75 using the empirical rule.
The empirical rule is used to describe how many of the observations fall within a certain distance of the mean in a normal distribution of data.
The empirical rule states that approximately 68% of the data falls within one standard deviation of the mean, 95% falls within two standard deviations of the mean, and 99.7% falls within three standard deviations of the mean.
To use the empirical rule, we first need to find the z-scores for the values of 35 and 75. We can use the formula
z = (x - μ) / σ,
where x is the value we want to find the z-score for, μ is the mean of the distribution, and σ is the standard deviation of the distribution.
For x = 35, we have
z = (35 - 55) / 10 = -2, and
for x = 75, we have
z = (75 - 55) / 10 = 2.
So, the values of 35 and 75 are 2 standard deviations away from the mean. According to the empirical rule, approximately 95% of the data falls within two standard deviations of the mean.
Therefore, the approximate percentage of daily phone calls numbering between 35 and 75 is 95%.
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Which line plot displays a data set with an outlier?
help me
I need answer ASAP the question is in the picture
Answer:
c
Step-by-step explanation:
\(\text{x}^2 + \frac{1}{4}\text{x} + \frac{1}{64}\)
==============================================
Reason:
The formula you can use is
\((a+b)^2 = a^2+2ab+b^2\)
This is the perfect square trinomial formula.
In this case,
a = xb = 1/8The square of each gets us
a^2 = x^2b^2 = (1/8)^2 = 1/64Those form the outer terms, aka 1st and 3rd terms.
The 2ab term in the middle would be 2*x*(1/8) = (1/4)x
That leads us to be able to say \(\left(\text{x}+\frac{1}{8}\right)^2 = \text{x}^2 + \frac{1}{4}\text{x} + \frac{1}{64}\)
You can use the FOIL rule or the box method as two ways to verify this answer. Also a graphing calculator can be used.
Convert the following percents to decimals.
.825% =
Answer:
0.00825
Step-by-step explanation:
Move the decimal point two places to the left to go from a percentage to a decimal.
f + 8 = b5q could you guys help me i don't understand at all
Answer:
Step-by-step explanation:
are there values for f or b or q? What are we trying to solve?
Determine whether the polygons are always, sometimes, or never similar. Explain your reasoning.
two equilateral triangles
Two equilateral triangles are always similar.
Similarity is a geometric property that indicates that two shapes have the same shape but possibly different sizes. For equilateral triangles, all angles are equal, and all sides have the same length. Since the definition of an equilateral triangle specifies that all sides and angles are congruent, any two equilateral triangles will have the same shape.
Therefore, regardless of the size or orientation of the two equilateral triangles, they will always be similar. Their corresponding angles will be equal, and their corresponding sides will be proportional. This is true for any pair of equilateral triangles, making them always similar.
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Which of the following is the appropriate notation when calculating
conditional probabilities?
A. P(EF)= P(E)+ P(F)- P(EUF)
B. P(EIF)=P(EnF)
P(F)
OC. P(EIF)=P(EA)
P(E)
D. P(EUF)=P(E) + P(F)-P(EF)
SUBMIT
The following are the appropriate notations is P(EIF)=P(E n F) / P(F).
What is Conditional Probability?Conditional probability is known as the possibility of an event or outcome happening, based on the existence of a previous event or outcome.
As, from the property of conditional probability
P(EIF)=P(E n F) / P(F)
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This graph represents a linear function. Enter an equation in the form y = mx + b that represents the
function described by the graph.
Explain how you got it please
need help ASAP!
Answer:
\(y = \frac{ - 1}{2} x - 1\)
Step-by-step explanation:
You instructed to write the linear equetion in the form of y=mx+b .
So you must find the y intercept (b) and slop (m) .
the y-intercept is already expressed in the graph which is the line pass through y axis . It is -1 .
and to solve m (slop) we will use (0, -1) or (-2, 0)
It has the same answer . Let's use the 2nd one
y=mx+b
0=m(-2) -1
m(-2)=1
m= -1/2
we get y-intercept -1 and slop -1/2 so the equetion is written as
\(y = \frac{ - 1}{2} x - 1\)
Casey's mom pays her $5.50 per hour for doing chores around the house. The graph shows how much money she can earn by doing chores. How long will Casey have to work in order to earn $13.75?
Answer:
2.5 hours
Step-by-step explanation:
If u times 5.50 x 2.5 = 13.75
So 2.5 hours is basically 2h 30min
Factor completely:
Pls help (;´༎ຶٹ༎ຶ`)
Answer:
n^2-3n-18 = (n-6)(n+3) , -3x^2+15x-12 = -3(x-4)(x-1)
Step-by-step explanation:
Answer:
1. (n - 6)(n + 3)
2. -3 (x - 4) (x - 1)
Step-by-step explanation:
which variables are basic and which variables are nonbasic in this tableau? what basic variables are associated with rows 1, 2, and 3 of this tableau? what are the values of all the variables associated with this basic feasible solution?
In this simplex tableau, x₄, x₅, and z are the basic variables, while x₁, x₂, x₃, x₆, x₇, and x₈ are the nonbasic variables. The values of all the variables associated with this basic feasible solution are x₁ = 0, x₂ = 0, x₃ = 0, x₄ = 620, x₅ = 12, x₆ = 0, x₇ = 0, x₈ = 0, and z = 620.
In this tableau, the basic variables are x₄, x₅, and z, while the nonbasic variables are x₁, x₂, x₃, x₆, x₇, and x₈.
The basic variable associated with row 1 is x₄, the basic variable associated with row 2 is x₅, and the basic variable associated with row 3 is z.
The values of all the variables associated with this basic feasible solution are:
x₁ = 0, x₂ = 0, x₃ = 0, x₄ = 620, x₅ = 12, x₆ = 0, x₇ = 0, x₈ = 0, z = 620.
Note that these values correspond to the entries in the tableau in the "BV" column.
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The missing tableau is in the image attached below