(√7)3=732
Explanation:
To write
(√7)3
in exponential form, one needs two identities - n√a=a1n
and (am)n=a(m×n)
which is true for all rational
m and n.
Hence,
(√7)3= (712)3
= 7(12×3)
= 732
rewrite the following expression in terms of exponentials and simplify the result as much as you can.
The simplified form of the function is 3/2 [\(x^{5} - 1/x^{5}\)] .
Given,
f(x) = 3sinh(5lnx)
Now,
sinhx = \(e^{x} - e^{-x} / 2\)
Substituting the values,
= 3sinh(5lnx)
= 3[ \(e^{5lnx} - e^{-5lnx}/2\) ]
Further simplifying,
=3 \([e^{lnx^5} - e^{lnx^{-5} } ]/ 2\)
= 3[\(x^{5} - x^{-5}/2\)]
= 3/2[\(x^{5} - x^{-5}\)]
= 3/2 [\(x^{5} - 1/x^{5}\)]
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Complete question :
f(x) = 3sinh(5lnx)
What is (10x^2 + 17x + 3) divided by (5x + 1)?
The quadratic expression 10x² + 17x + 3 when divided by (5x + 1) gives 2x + 3.
Given quadratic expression is,
10x² + 17x + 3
We have to divide the polynomial with 5x + 1.
First let us factorize the given quadratic expression.
10x² + 17x + 3
Discriminant = 17² - (4 × 10 × 3) = 169
x = (-17 ± √169) / 20
x = (-17 ± 13) / 20
x = -4/20 and x = -30/20
x = -1/5 and x = -3/2
This can be factored as,
(x + 1/5) (x + 3/2)
(5x + 1) (2x + 3)
Hence the quotient is 2x + 3.
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Find the slope of the line that passes through (-3,4) and (-2,-8)
Answer:
-12
Step-by-step explanation:
The slope formula is y2-y1 divided by x2-x1
I plugged it in and got
-12
I hope this helps :>a quadrilateral that is not a rectangle is inscribed in a circle. what is the least number of arc measures needed to determine the measures of each antgle in the quadrialteral
The least number of arc measures needed to determine the measures of each angle in the inscribed quadrilateral is 2.
To determine the measures of each angle in the quadrilateral, we need to find the central angles of the arcs that intersect the quadrilateral's vertices. Since the quadrilateral is not a rectangle, it is not a cyclic quadrilateral, which means that its opposite angles do not add up to 180 degrees.
Therefore, we need to use the fact that the sum of the measures of the opposite angles in an inscribed quadrilateral is 360 degrees. Let the angles of the quadrilateral be A, B, C, and D, with opposite angles A and C, and B and D. We can find the measure of arc AC by drawing a chord connecting the endpoints of AC and finding the central angle that intercepts it. Similarly, we can find the measure of arc BD.
Now, we can use the fact that the sum of the central angles that intercept arcs AC and BD is equal to 360 degrees. Let these angles be x and y, respectively. Then, we have:
x + y = 360
We can solve for one of the variables, say y, in terms of the other:
y = 360 - x
Substituting this into the equation for arc BD, we have:
2x + 2(360 - x) = arc BD
Simplifying this equation, we get:
arc BD = 720 - 2x
Now, we can use the fact that the sum of the measures of angles A and C is equal to the measure of arc AC, and the sum of the measures of angles B and D is equal to the measure of arc BD. Therefore, we have:
A + C = arc AC
B + D = arc BD = 720 - 2x
We need to find the least number of arc measures needed to determine the measures of A, B, C, and D. Since we have two equations and two variables (x and A), we can solve for both variables. Then, we can use the equations for B and D to find their measures.
Solving for A in terms of x, we have:
A = arc AC - C
A = 360 - x - C
Substituting this into the equation for B + D, we have:
(360 - x - C) + B + D = 720 - 2x
Simplifying this equation, we get:
B + D = 360 + x - C
Now, we have three equations and three variables (x, A, and C). We can solve for each variable in terms of x, and then use the equation for B + D to find their measures.
Therefore, the least number of arc measures needed to determine the measures of each angle in the quadrilateral is two: arc AC and arc BD.
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Find the ordered pair solutions for the
system of equations.
f(x) = x² - 2x - 15
f(x) = -x-9
Answer:
To find the solutions to this system of equations, we need to set f(x) equal to each other and solve for x.
x² - 2x - 15 = -x - 9
Simplifying and solving for x, we get:
x² - x - 6 = 0
Factoring the left side, we get:
(x - 3)(x + 2) = 0
So, the solutions are x = 3 and x = -2.
To find the corresponding y values, we can plug these x values back into either of the original equations. Using f(x) = x² - 2x - 15, we get:
f(3) = 3² - 2(3) - 15 = -3
f(-2) = (-2)² - 2(-2) - 15 = -9
Therefore, the ordered pair solutions for the system of equations are (3, -3) and (-2, -9).
ingrid opened a business in 2000. she started with 2 employees and in 2003 she had 50 employees. since 2000, ingrids company has experienced exponential growth. write an exponential equation representing the growth for the business
Substituting this value into the exponential equation, we can represent the growth for Ingrid's business. k = ln(25) / 3.
Our current growth rate is k. When this quantity is substituted into the exponential equation,
We may use the standard exponential equation to illustrate Ingrid's company's exponential growth:
P(t) = P₀ *\(e^{(kt)\),
, where P(t) is the population or the number of employees at time t, P0 is the starting population or the number of employees, e is the natural logarithm's base (about 2.71828), k is the growth rate, and t is the amount of time in years.
Ingrid had 2 employees when she began her business in 2000 (t = 0), and she had 50 employees in 2003 (t = 3), therefore we can enter these numbers into the equation to determine the growth rate, k.
Using P0 = 2 and P(3) = 50, we have
50 = 2 * \(e^{(3k)\).
Dividing both sides by 2:
25 = \(e^{(3k).\)
Taking the natural logarithm (ln) of both sides to isolate the exponent:
ln(25) = 3k.
At last, we find k: k = ln(25) / 3.
Our current growth rate is k. This amount can be used to indicate the growth of Ingrid's company in the exponential equation.
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in a school of 330 students 85 of them...
Answer:C
Step-by-step explanation:45
The following system of linear equations is shown in the graph.
y=1/4x+5
x-4y=4
How many solutions does the system of linear equations have?
A. No solution
B. Infinitely many solutions
C. One solution at (4,0)
D. One solution at (0,-1)
Answer:
Step-by-step explanation:
The slopes of both those lines are the same so there is no solution. Use slope triangles to find out the slope. They are both 1/4.
A. No solution
y = 1/4x+5
x - 4y = 4
You can simplify the second equation into y = 1/4x - 1
Since these equations both have the same slope, they are parallel. When two lines are parallel, they have no solutions.
The Spring Break-Inn Hotel is trying to make plans for the spring break season. They must decide on the number of beds to place in each room in order to maximize profit. They can put 1, 2, or 3 beds in any room and realize a profit of $90, $115, or $180 respectively. They have a total of 200 beds and 100 rooms available. They would like to insure the ratio of 3 bedroom rentals to 2 bedroom rentals is no more than 4 to 1.
The decision variables for this model would be:
Let X1 = the number of 1 bedroom rentals
Let X2 = the number of 2 bedroom rentals
Let X3 = the number of 3 bedroom rentals
What would be the constraint(s) to insure the ratio of 3 bedroom rentals to 2 bedroom rentals is no more than 4 to 1?
X3 <= 4X2
3X3 <= 4X2
X2 <= 4X3
2X2 <= 4X3
None of these
The constraint(s) to ensure that the ratio of 3 bedroom rentals to 2 bedroom rentals is no more than 4 to 1 is:
3X3 <= 4X2
This constraint states that the number of 3 bedroom rentals (X3) must be less than or equal to four times the number of 2 bedroom rentals (X2). This ensures that the ratio of 3 bedroom rentals to 2 bedroom rentals does not exceed 4 to 1.
For example, if there are 10 2 bedroom rentals (X2), the constraint would be:
3X3 <= 4(10)
3X3 <= 40
This means that the number of 3 bedroom rentals (X3) cannot exceed 40.
The constraint to ensure the ratio of 3 bedroom rentals to 2 bedroom rentals is no more than 4 to 1 is 3X3 <= 4X2.
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Circle o has a circumference of approximately 44 in.what is the approximate length of the diameter, d?7 in.14 in.22 in.44 in.
Approximate length of the diameter, d is 14 inches with circle circumference of approximately 44 inches. So, correct answer is option(b).
What is Circumference of circle?It is defined as the total length of the arc of circle. It is also known as perimeter i.e the boundary distance. Formula for it is equals to C = 2πr
We have , Circumference of circle , C = 44 inches
we have to calculate the length of its diameter , d . Let "r inches" be radius of circle with diameter length "d inches" . As we know, diameter is longest chord of circle and it's length is 2 times of radius of Circle i.e d = 2r --(*)
Now, the circumference of circle, C = 2πr
where r --> radius of circle
π---> special constant or π = 3.14
=> 44 inches = 2 πr
=> 44 = 2×3.14×r
=> 44 = 6.28 × r
=> r = 44/6.28 = 7.001 ~ 7
from equation (1) , d = 2×7 = 14 inches
Hence, the diameter of circle is 14 inches.
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work out 4/11 + 2/5, Give your answer in its simplest form
Answer:
42/55
Step-by-step explanation:
4/11+2/5 LCD=55
20/55+22/55
42/55
What is the slope of the linear relationship shown in this table of values?
Answer:
B
Step-by-step explanation:
calculate the slope m using the slope formula
m = \(\frac{y_{2}-y_{1} }{x_{2}-x_{1} }\)
with (x₁, y₁ ) = (2, - 1) and (x₂, y₂ ) = (- 4, 11) ← 2 ordered pairs from the table
m = \(\frac{11-(-1)}{-4-2}\) = \(\frac{11+1}{-6}\) = \(\frac{12}{-6}\) = - 2
How does the area of triangle abc compare to the area of parallelogram ghjk? the area of â–³abc is 2 square units greater than the area of parallelogram ghjk. the area of â–³abc is 1 square unit greater than the area of parallelogram ghjk. the area of â–³abc is equal to the area of parallelogram ghjk. the area of â–³abc is 1 square unit less than the area of parallelogram ghjk.
The area of triangle ABC is equal to the area of parallelogram GHJK. (option c).
To begin with, we need to understand the formula for finding the area of a triangle and a parallelogram. The area of a triangle is given by the formula:
Area of triangle = 1/2 × base × height
where the base and height are perpendicular to each other. The area of a parallelogram is given by the formula:
Area of parallelogram = base × height
where the base and height are perpendicular to each other.
Now, let's look at the problem. We are given four answer choices, and we need to choose the correct one based on our understanding of the area formulas.
Option (c) states that the area of triangle ABC is equal to the area of parallelogram GHJK. This is also possible if the base and height of the triangle are equal to the base and height of the parallelogram, respectively. In this case, the area of the triangle would be half the area of the parallelogram. So, option (c) could also be correct.
Therefore, we need more information to determined that (c) is correct.
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Complete Question:
How does the area of triangle ABC compare to the area of parallelogram GHJK?
a) The area of △ABC is 2 square units greater than the area of parallelogram GHJK.
b) The area of △ABC is 1 square unit greater than the area of parallelogram GHJK.
c) The area of △ABC is equal to the area of parallelogram GHJK.
d) The area of △ABC is 1 square unit less than the area of parallelogram GHJK.
Let X be the number of Heads in 10 fair coin tosses. Find the conditional distribution of X given that the first two tosses both land Heads.
The conditional distribution of X given that the first two tosses both land Heads is:
P(X = 0 | HH) = 1
P(X = 1 | HH) = 2
P(X = 2 | HH) = 0
Given that the first two tosses both land Heads, the sample space is reduced to {HH, HT}. Therefore, X can take values 0, 1, or 2, with respective probabilities P(X = 0 | HH) = P(X = 0, HH) / P(HH), P(X = 1 | HH) = P(X = 1, HH) / P(HH), and P(X = 2 | HH) = P(X = 2, HH) / P(HH).
We have:
Probability of getting two heads in a row = P(HH) = 1/2 × 1/2 = 1/4
Probability of getting one head and one tail = P(HT) = 1/2 × 1/2 = 1/4
Now, if the first two tosses are both Heads, then we can only get the following: HH. Thus, the distribution of X is:
X = 0:
- Only one way, P(X = 0, HH) = 1/4
- Hence P(X = 0 | HH) = (1/4) / (1/4) = 1
X = 1:
- Only one way, P(X = 1, HH) = 2/4 = 1/2
- Hence P(X = 1 | HH) = (1/2) / (1/4) = 2
X = 2:
- No way, P(X = 2, HH) = 0
- Hence P(X = 2 | HH) = 0
Thus, the conditional distribution of X given that the first two tosses both land Heads is:
P(X = 0 | HH) = 1
P(X = 1 | HH) = 2
P(X = 2 | HH) = 0
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What is (12x12)+7-3. Use PEMDAS or GEMDAS to get the answer.
Answer:
148
Step-by-step explanation:
(12×12)+7-3
144+7-3
151-3
148
Answer:
Step-by-step explanation:
First do the operation inside the parenthesis
(12*12) + 7 - 3 = 144 + 7 - 3
= 151 - 3
= 148
The ratio of the length to the width in a rectangle is 9 to 2. The perimeter of the rectangle is 352 feet. What is the length of the rectangle?
Answer: 144 ft
Step-by-step explanation:
352/22=16 16*9=144=length 16*2=32=width
Answer:
144 feet
Step-by-step explanation:
The ratio is 9:2 so if you add the ratio and multiply it by two because there are four sides NOT two so then you get twenty-two. Divide 352 by 22 and you get 16 now multiply nine by sixteen because you are trying to find the length.
What is the total surface area of the pyramid?
Answer:
16.64911
Step-by-step explanation:
Answer:
area of the regular pyramid is =T.S.A=12pl+B is the formula for this question
measurements of variables must be sensitive to be able to measure differences between participants. however, if a measurement was not sensitive, and resulted in everyone scoring high, then this is called:
If a measurement was not sensitive, and resulted in everyone scoring high, then this is called a ceiling effect
Given,
Ceiling effect;-
When a large percentage of study participants get the highest scores on the observable variable, it is said that a ceiling effect has occurred. Discrimination between subjects at the top end of the scale is therefore impossible. For instance, a test could result in, say, 50% of the students receiving a perfect score.
Here,
To be able to measure participant differences, variables must be measured with sufficient sensitivity. However, if a test was insensitive and everyone received good scores, this is known as ceiling effect
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A-
Aaron has tried to construct the perpendicular bisector for line AB.
a) Write a sentence to explain how you know this is not a perpendicular bisector.
b) Which of the possible mistakes below has Aaron made in his construction?
Calculate
B
Possible mistakes
He did not use a ruler to draw his line
The width of his pair of compasses
changed between drawing his ares
He did not use a pair of compasses to
draw his ares
Answer:
Step-by-step explanation:
The next step in the construction is Aaron should Use the compass to find the perpendicular bisector for side.
What is the bisector about?
A bisector is known to be a kind of straight line that cut or divide an angle or a line segment.
Note that The next step in the construction is Aaron should Use the compass to find the perpendicular bisector for side as it is the right step to take.
The correct answer to this question is letter b.There are only three steps in constructing a circle circumscribed by a triangle. He is done with the first step. Use the compass to find the perpendicular bisector for side DF. I hope I have helped you.
what is the expected value (Lesson 8.3: Unbiased Point Estimation. If X1, of the sample variance S2? a. 1/6 b. 1/36 O c. 6 d. 36 e.60
The correct answer is option b. 1/36 is the expected value (Lesson 8.3: Unbiased Point Estimation. If X1, of the sample variance S2.
In unbiased point estimation, the expected value of the sample variance S2 is a crucial idea. When a sample is drawn from a population repeatedly, an average value of S2 is what is anticipated.
The population variance divided by the sample size represents the expected value of S2. It is, in other words, the population variance divided by n-1, where n is the sample size.
As a result, the expected value of the sample variance S2 for a sample size of 6 is equal to 1/36.
As a result, when a sample is drawn from a population repeatedly, the average value of S2 will be equal to 1/36 of the variance in the population.
Complete Question:
What is the expected value (Lesson 8.3: Unbiased Point Estimation. If X1, of the sample variance S2?
a. 1/6
b. 1/36
c. 6
d. 36
e.60
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True or False: The hypotenuse can be one of the two legs of a right triangle.
True
O False
Answer:
False
Step-by-step explanation:
The hypotenuse is not either of the two legs but is opposite of the right angle.
Which of the following is the parent function of all absolute value functions?
f(x) = 3x
f(x) = |x|
f(x) = 2|x|
f(x) = x squared
As elevation increases, the atmospheric air pressure decreases. The air pressure P in pascals given the altitude a in meters is a = 15,500 (5 - log₁0 P). What is the air pressure at the peak of Mount Marcy, which has an elevation of 1629 meters? Round your answer to the nearest whole pascal.
The air pressure at the peak of Mount Marcy is approximately 164.17 pascals.
What is air pressure?Air pressure, also known as atmospheric pressure, is the force exerted by the weight of the Earth's atmosphere on any given surface. It is the weight of the column of air that extends from the Earth's surface up to the top of the atmosphere.
What is Pascal?The Pascal (symbol: Pa) is the SI (International System of Units) unit of pressure, named after the French mathematician and physicist Blaise Pascal. One pascal is defined as the pressure exerted by the force of one Newton on an area of one square meter. In other words, 1 Pa = 1 N/m².
According to the given informationWe are given the formula that relates the altitude (a) and the atmospheric air pressure (P):
a = 15,500 (5 - log₁0 P)
We are also given that the altitude at the peak of Mount Marcy is 1629 meters. We can use this information to find the atmospheric air pressure at the peak of Mount Marcy by plugging in a = 1629 and solving for P:
1629 = 15,500 (5 - log₁0 P)
Dividing both sides by 15,500, we get:
(5 - log₁0 P) = 1629 / 15,500
Subtracting 5 from both sides, we get:
-log₁0 P = (1629 / 15,500) - 5
Simplifying the right-hand side, we get:
-log₁0 P = -1.5454
Taking the inverse logarithm (base 10) of both sides, we get:
P = 10⁻¹.⁵⁴⁵⁴
Using a calculator, we can evaluate this expression to get:
P ≈ 164.17 pascals
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Which of the following is equivalent to y-4=1/2(x-6)
A. 1/2x-1
B.1/2x + 1
C. -1/2x -2
D.-1/2x + 1
Answer:
B
Step-by-step explanation:
If we reorder the equation in a certain way then it will look like this:
y-4=1/2(x-6)
y-4=1/2x-3
y-1=1/2x
y=1/2x+1
therefore B is correct since we reduced the equation to y=1/2x+1.
It may be hard to understand but the question is basically asking which one of these answers is equal to y.
Hope this helped you and let me know if i messed up or if im correct so i can imporve from my mistakes
1/2 × 3/5 ÷ 2/5 – 1/5
Answer:
11/20
Step-by-step explanation:
do BEDMAS
Explain why the plant roots would take in more water after the plant has turned 1000 sucrose molecules into 2000 glucoses.
The reason why plant roots would take in water after a plant converts 1, 000 Sucrose molecules to 2, 000 glucose molecules.
How is sucrose turned to glucose?Sucrose is turned into glucose by plants because glucose is more useful to plant processes than glucose.
The equation for this is:
sucrose + water → glucose + fructose
This means that if a plant should turn 1, 000 Sucrose molecules to 2, 000 glucose molecules, it would have used water to do this. This water needs to be replenished so the plant roots will take in more water.
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Which series of transformations shows that pentagon A is congruent to pentagon B?
A.
Reflect pentagon A over the y-axis, rotate it 180° clockwise about the origin, and translate it 3 units up.
B.
Rotate pentagon A 90° clockwise about the point (1, 1), reflect it over the x-axis, and translate it 3 units to the left.
C.
Rotate pentagon A 90° clockwise about the origin, reflect it over the x-axis, and translate it 6 units to the left.
D.
Reflect pentagon A over the y-axis and translate it 2 units to the left and 8 units up.
Using translation concepts, the series of transformations that shows that pentagon A is congruent to pentagon B is:
B. Rotate pentagon A 90° clockwise about the point (1, 1), reflect it over the x-axis, and translate it 3 units to the left.
What is a translation?A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction either in it’s definition or in it’s domain. Examples are shift left/right or bottom/up, vertical or horizontal stretching or compression, and reflections over the x-axis or the y-axis.
In this problem, we have that the Pentagons have different orientations, meaning that it was rotated, eliminating options A and D.
For the vertices to reach the position they reached in Pentagon B, there had to be a shift left, and before the shift left, the Pentagon must have been entirely at the fourth quadrant, meaning that it was reflected about the point (1,1), and option B is correct.
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6. What is the center and the radius ( x + 1)^2 + (y - 5)^2 = 2^2
Center (-1,-5) radius= 2
Center (1,-5) radius= 2
Center (-1, 5) radius= 4
Center (-1, 5) radius= 2
Answer:
The equation for a circle is ( x - h )^2 + ( y - k )^2 = r^2, where h, k, is the center and r is the radius.
So, in this case: the center is (-1, 5) and the radius is 2.
Let me know if this helps!
if a function has vertical asymptotes, can it be continuous?
we have that
if a function has vertical asymptotes
then
The function is not continuous
Example
f(x)=1/x
The function has a vertical asymptote at x=0
The domain is the interval (-infinite,0) U (0, infinite)
The value of x=0 is not included in the domain
therefore
The function is not continuous
There are two sets of x, y points on a straight line in a two-variable graph with yon the vertical axis and x on the horizontal axis. What would be the linear equation for the line if one set of points were (0, 9) and the other set were (13, 61)?
The linear equation for the line passing through the points (0, 9) and (13, 61) can be found using the slope-intercept form, which is y = 4x + 9, where 4 represents the slope and 6 represents the y-intercept.
To find the slope of the line, we use the formula:
m = (y2 - y1) / (x2 - x1)
Using the coordinates of the given points, we have:
m = (61 - 9) / (13 - 0) = 52 / 13 = 4
Now that we have the slope, we can determine the y-intercept, b, by substituting the values of one of the points into the slope-intercept form and solving for b. Let's use the point (0, 9):
9 = 4(0) + b
b = 9
Therefore, the linear equation for the line passing through the points (0, 9) and (13, 61) is:
y = 4x + 9
This equation represents a straight line where the y-coordinate is equal to four times the x-coordinate plus nine.
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