what’s the correct radical form of b^1/5
The correct radical form of b^1/5 is 5^√b.
What is the radical form?Square root and nth roots are represented by the symbol "radical," which. a square root is a component of a radical expression, which is an expression.
A number's or an algebraic expression's simplest radical form is referred to as this. When a number or algebraic expression contains no elements that are perfect nth powers under the radical, it is said to have an nth root and is said to be in its simplest radical form.
When a number or algebraic expression contains no elements that are perfect nth powers under the radical, it is said to have an nth root and is said to be in its simplest radical form.
Explanation:
Convert to radical form using the formula
a^x/n=n^√a^x
5^√b.
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The equation y = 1/4x represents a proportional relationship. What is the constant of proportionality?
Answer:
The constant of proportionality is k=1/4
Step-by-step explanation:
For the equation y=kx, y varies directly with x with the constant of proportionality k. Therefore, k=1/4 is the answer.
There are 20 students in Mrs. Tanya's class and 24 kids in Mrs. Olga's class. The students need to be placed on teams of equal size with students from only their own class. What's the largest size of a team?
The largest size of a team according to the task content is; 20 kids.
What is the largest size of a team?It follows from the task content that the population is; 20 students in Mrs. Tanya's class and 24 kids in Mrs. Olga's class.
However, since, the team forming condition states that students be placed on teams of equal size with students from only their own class.
It therefore follows that the largest size of a team is 20 as only 20 students are in Mrs. Tanya's class hence leaving 4 kids in Mrs. Olga's class without a team.
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Hi what is the slope of the line on the graph below 1/5 1/3 3 5
Answer: B (1/3)
Hope this helps
Section 5.2 Problem 18:
Solve the initial value problem and graph the solution.
\(y'' + 7y' + 12y = 0\)
\(y(0) = - 1\)
\(y'(0) = 0\)
Answer:
\(y(x)=-\frac{6}{7}e^{-4x}+\frac{1}{7}e^{3x}\) (See attached graph)
Step-by-step explanation:
Given Second-Order Homogeneous Differential Equation
\(y''+7y'+12y=0,y(0)=-1,y'(0)=0\)
Use Auxiliary Equation
\(m^2+7m+12=0\\\\(m+4)(m+3)=0\\\\m=-4,\: m=3\)
General Solution for Distinct Real Roots
\(y(x)=C_1e^{m_1x}+C_2e^{m_2x}\\\\y(x)=C_1e^{-4x}+C_2e^{3x}\)
Take the derivative of y(x)
\(y'(x)=-4C_1e^{-4x}+3C_2e^{3x}\)
Create a system of equations given initial conditions
\(y(x)=C_1e^{-4x}+C_2e^{3x}\\\\y(0)=C_1e^{-4(0)}+C_2e^{3(0)}=-1\\\\C_1+C_2=-1\)
\(y'(x)=-4C_1e^{-4x}+3C_2e^{3x}\\\\y'(0)=-4C_1e^{-4(0)}+3C_2e^{3(0)}=0\\\\-4C_1+3C_2=0\)
Solve the system of equations
\(\left \{ {{C_1+C_2=-1} \atop {-4C_1+3C_2=0}} \right.\\\\\left \{ {{4C_1+4C_2=-1} \atop {-4C_1+3C_2=0}} \right.\\\\7C_2=-1\\\\C_2=-\frac{1}{7}\)
\(C_1+C_2=-1\\\\C_1-\frac{1}{7}=-1\\ \\C_1=-\frac{6}{7}\)
Final Solution
\(y(x)=C_1e^{-4x}+C_2e^{3x}\\\\y(x)=-\frac{6}{7}e^{-4x}+\frac{1}{7}e^{3x}\)
a right triangle had side lengths d,e,and f as shown below. use these lengths to find sin x cos x and tan x
determine the base funciton f(x)=2(4)^x+5 NEED ASAP
The base of the function given 2(4)ˣ+5 is 4ˣ
What is the base of a function?The base of an exponential function. If f(x) = ax, then we call a the base of the exponential function. The base must always be positive. Base 1. If f(x) is an exponential function whose base equals 1 – that is if f(x)=1x.
Given is a function, 2(4)ˣ+5, we need to find the base of the function,
With the multiplication of 4ˣ with 2, the rate at which f(x) changes is 2 times larger. Now it is added by 5, by adding 5 the value of f(x) is always 5 greater than the value of f(x).
This reverses the value of y for each corresponding value of x and increases the rate at which f(x) changes 8 times that of the original function.
Hence, the base of the function given 2(4)ˣ+5 is 4ˣ
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Four less than the product of a number (x)
and 5 is equal to 8 more than 2 added to
3 times the number. Which of these equa-
tions could be used to find the value of x?
Answer: The equation used to find the value of x is 5x - 4 = 3x + 10. The value of x is determined to be 7.
Step-by-step explanation:
Four less than the product of a number (x) and 5 = 5x - 4
8 more than 2 added to 3 times the number = 3x + 2 + 8 = 3x + 10
Four less than the product of a number (x) and 5 is equal to 8 more than 2 added to 3 times the number => 5x - 4 = 3x + 10
5x - 3x = 10 + 4
2x = 14
x = 14/2
therefore, x = 7
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Starting at its rightmost position, it takes 1 second for the pendulum of a grandfather clock to swing a
horizontal distance of 12 inches from right to left, and 1 second for the pendulum to swing back from left to
right. Write a cosine function, d = acos(bt), to model the distance, d, of the pendulum from the center (in
inches) as a function of time t (in seconds)
a=
Answer:
Step-by-step explanation:
amplitude of oscillation a = 12 / 2 = 6 inches.
time period T = 2 s
b = angular frequency = 2π / T
= 2π / 2
= π
so putting the values in the equation
d = a cos ( b t )
d = 6 cos ( π t )
Answer:
there are two more questions and the answers are 0.5 is the least positive amount of the pendulum and 4.243=y when x=4.25
Step-by-step explanation:
The double dot plot below shows the number of hours Kayla and Carmen studied during a two week period in college. Determine the most appropriate measure of variation for each data set. What is the difference between the centers?
The measure of variation include range, variance, iqr etc
What are the measure of variationIn statistics, a measure of variation is a numerical value that describes how spread out or dispersed a set of data is. The most common measures of variation are:
Range: The range is the difference between the maximum and minimum values in a data set. It gives an idea of the spread of the data, but is sensitive to outliers.
Interquartile range (IQR): The IQR is the range of the middle 50% of the data. It is less sensitive to outliers than the range.
Variance: The variance is the average of the squared differences of each data point from the mean. It measures how much the data is spread out from the mean.
Standard deviation: The standard deviation is the square root of the variance. It is a common measure of variation and indicates the typical amount that each data point deviates from the mean.
Coefficient of variation: The coefficient of variation is the ratio of the standard deviation to the mean, expressed as a percentage. It is used to compare the variation of data sets with different means.
An overview was given due to incomplete information.
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Given f(x) = x2 – 7x + 10 and g(x) = x2 – x – 20, find the y-intercept of open parentheses g over f close parentheses of x
0
–2
2 over 3
negative one half
The y-intercept of the composite function (f/g)(x) is 1/2
How to find the y-intercept of the composite functionFrom the question, we have the following parameters that can be used in our computation:
f(x) = x² - 7x + 10
g(x) = x² - x + 20
The composite function (f/g)(x) is calculated as
(f/g)(x) = f(x)/g(x)
Substitute the known values in the above equation, so, we have the following representation
(f/g)(x) = (x² - 7x + 10)/(x² - x + 20)
Set x = 0 for the y-intercept
(f/g)(0) = (0² - 7(0) + 10)/(0² - 0 + 20)
Evaluate
(f/g)(0) = 1/2
Hence, the y-intercept of the composite function is 1/2
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Mrs. Hagan measured the height, in inches, of all the girls in her PE class. She recorded her results in
the following list.
63, 60,67, 62,58, 63, 68,
59, 62, 65,56, 63 59, 62,
58
13. Determine the 5-number summary and make a box-and-whisker plot for the data set.
14. Between what heights are the middle 50% of the girls in Mrs. Hagan's PE class?
Answer:
Step-by-step explanation:
5 number summery
Minimum: 56
Maximum: 68
Median: 62
First quartile: 59
Third quartile: 63
Triangle ABC will be translated right 3 units and down 5 units to create triangle A'B'C'. What are the coordinates of B'?
Answer:
B'(4, 0)
Step-by-step explanation:
B (1, 5)
it translated right 3 units => x'=x+3
down 5 units => y'= y-5
identify the key features of the parabola that is formed by the equationf (x) = -4.9x² + 19.8x + 58 round the answer to the nearest whole number 1- the x-intercepts2- the y-intercept3- the vertex4- is the vertex a maximum/minimum
To find the x-intercepts, equal the equation to 0 and solve for x:
-4.9 x^2 + 19.8x + 58
ax^2 + bx + c
a = -4.9
b= 19.8
c= 58
Apply the quadratic formula:
\(\frac{-b\pm\sqrt[]{b^2-4\cdot a\cdot c}}{2\cdot a}\)\(\frac{-19.8\pm\sqrt[]{19.8^2-4\cdot-4.9\cdot58}}{2\cdot-4.9}\)\(\frac{-19.8\pm\sqrt[]{392.04+1,136.8}}{-9.8}\)\(\frac{-19.8\pm39.10}{-9.8}\)positive : -1.97
negative : 6.01
• 1- x intercepts
x = -1.97 , x = 6.01
• 2.y-intercept
To find it replace x = 0 and solve for y:
y = -4.9x^2 + 19.8x + 58
y= -4.9 (0)^2 + 19.8 (0) + 58
y= 58
• 3. Vertex
First, find the axis of symmetry:
x = -b / 2*a = -19.8 / 2*-4.9 = 2.02
Replace x=2.02 on the equation:
y = -4.9 (2.02)^2 + 19.8 (2.02) + 58
y = -19.99 + 39.996 + 58
y = 78
Vertex = (2.02 , 78 )
4.
Since on x-intercept is at x=-1.97, replace x=-3 and see if the y value is positive or negative:
f(-3) = -4.9(-3)^2 + 19.8 (-3) + 58
f(-3)= -44.1 -59.4 +58
f(-3)= -45.5
Since the value is negative it opens downwards, so the vertex is a maximum.
Answers:
1- the x-intercepts
x = -1.97 , x = 6.01
2- the y-intercept
y= 58
3- the vertex
Vertex = (2.02 , 78 )
4- is the vertex a maximum/minimum
The vertex is a maximum
Find X,so that 7x+1,5x+7,and 2x-1 form an arithmetic sequence and write the first three terms.
The first three terms of the arithmetic sequence are -97, -63, and -29.
The value of x = -14.
How to Find the Terms in an Arithmetic Sequence?To find the value of x and the first three terms of the arithmetic sequence, we can equate the differences between consecutive terms:
The common difference (d) is the same between all consecutive terms.
So, we have:
(5x + 7) - (7x + 1) = (2x - 1) - (5x + 7)
Simplifying the equation:
5x + 7 - 7x - 1 = 2x - 1 - 5x - 7
-2x + 6 = -3x - 8
Now, let's solve for X:
-2x + 3x = -8 - 6
x = -14
Substituting the value of X back into the expressions, we can find the first three terms:
First term: 7x + 1 = 7(-14) + 1 = -97
Second term: 5x + 7 = 5(-14) + 7 = -63
Third term: 2x - 1 = 2(-14) - 1 = -29
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Find the inequality represented by the graph.
Answer:
\(x \geqslant \frac{y + 4}{3} \)Explanation;
Associated line with this equation is:
y=mx+c
when,
X=0
y=-4
so, c=-4
X=1
y=-1
\( - 1 = m- 4 \\ - m = - 4 + 1 \\ - m = - 3 \\ m =3 \\ \)
\(y = 3x - 4 \\ or \: y + 4 = 3x \\ or \: \frac{y + 4}{3} = x\)
Inequality representated by graph:
\(x \geqslant \frac{y + 4}{3} \)
Hope this helps...
Good luck on your assignment...
What's the solution set of -3 < x + 5 < 7?
OA) -8 < X < 12
B) -8 < xor x < 12
C) -8 < xor x < 2
D) -8 < X<2
Answer:
the answer is D, -8< X <2
HELP anyone mr brainly or any smart math people and do it fast asap !
Answer:
m∠R = 60°
explanation:
Its a isosceles triangle, thus m∠R = m∠Ptotal interior angles of triangle sum up to 180°Let the angle be x,
x + x + 60° = 180°
2x = 180° - 60°
2x = 120°
x = 60°
Answer:
Step-by-step explanation:
Sum of interior angles in a triangle = 180degree
PQ=QR so triangle PQR is an isosceles triangle
The two base angles of an isosceles triangle are equal
So <R = <P
m<R + m<P + 60degree = 180degree
m<R = (180-60)/2 = 60degree
Solve the given initial value problem
y''-4y'-5y = 0, y(1) = 0, y'(1) = 2
The solution to the initial value problem in this problem is given as follows:
\(y = 0.0022e^{5x} - 0.8853e^{-x}\)
How to solve the initial value problem?The initial value problem is given as follows:
y''-4y'-5y = 0.
The first step is finding the roots of the characteristic equation, which is given as follows:
r² - 4r - 5.
The equation can be factored as follows:
r² - 4r - 5 = (r - 5)(r + 1).
Applying the inverse Factor Theorem, the roots are given as follows:
r - 5 = 0 -> r = 5.r + 1 = 0 -> r = -1.These roots are real, hence the format of the solution is given as follows:
\(y = Ae^{5x} + Be^{-x}\)
Considering the initial condition at x = 1, we have that:
Ae^(5) + Be^(-1) = 0
Considering the initial condition of the derivative at x = 1, we have that:
5Ae^(5) - Be^(-1) = 2.
Adding the two equations, the condition A is obtained as follows:
6Ae^(5) = 2.
A = 2/(6e^5)
A = 0.0022.
Hence the condition B is:
B = -0.0022e^(5)/e^(-1)
B = -0.8853.
Hence the solution is:
\(y = 0.0022e^{5x} - 0.8853e^{-x}\)
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help me in economics please see the picture
Answer:
12
Step-by-step explanation:
Given a table of supply and demand at each price point, you are asked for the equilibrium price if the demand numbers are decreased by 0.5 million.
Equilibrium priceThe equilibrium price is the price at which the quantity demanded is equal to the quantity supplied.
For the given table, we see that a price of $14 thousands will result in both demand and supply being 2.00 millions per year. That is the equilibrium price before any adjustment to the table is made.
The problem statement is telling you to use a table that has all of the demand values decreased by 0.5 million. That makes the demand column read ...
2.25, 2.00, 1.75, 1.50, 1.25, 1.00, 0.75
This new column of reduced demand values matches the numbers in the supply column when they are both 1.75 million per year. That match occurs on the line with price $12 thousand.
The new equilibrium price is $12 thousand.
Write the following ratio as a reduced fraction. Simplify your answer when possible: 12 to 33
Answer:
4/11
Step-by-step explanation:
a ratio is a fraction:
a:b or a to b
= a/b
so 12:33
= 12/33, which can be reduced to 4/11 when dividing the numerator and denominator by 3
is y=x-3 a function or an equation
A cone has a volume of 6 cubic inches. What is the volume of a cylinder that the cone fits exactly inside of? (1 point)
Answer:
18 cubic inches
Step-by-step explanation:
The formulas for the volumes of a cone and a cylinder can be used to answer this question.
Volume formulasThe volume of a cone is given by ...
V = 1/3πr²h . . . . . volume of cone with radius r and height h
The volume of a cylinder is given by ...
V = πr²h . . . . . volume of a cylinder with radius r and height h
Relation between volumesComparing the formulas, we see that the volume of a cone is 1/3 the volume of a cylinder with the same radius and height.
(cone volume) = 1/3(cylinder volume)
Multiplying this equation by 3 gives ...
3×(cone volume) = (cylinder volume)
Using the given value for cone volume, we have ...
cylinder volume = 3×(6 in³) = 18 in³
The volume of the cylinder is 18 cubic inches.
10 Kofi scored 45% in the first paper of his mathematics examination and scored x% in the second paper (where x is a whole number). He was given a grade C for the subject, which meant that the average of his marks on the two papers was greater than 48% but less than 52%. Find the possible values of x. [WAEC]
The possible values of x are 51% < x < 59%.
When you are given various values, the range of those values is how big the difference is between the largest value and the smallest value. In other words, the range is what you get when you subtract the smallest value in the group from the largest value in the group.
Its possible values are 1, 2, 3, 4, 5, and 6; each of these possible values has a probability of 1/6. 4. The word “random” in the term “random variable” does not necessarily imply that the outcome is completely random in the sense that all values are equally likely.
Let K represent Kofi
1st paper = 45/100
2nd paper = x / 100
Mean score = ( 45 + x ) % / 2
The possible range of x = 48% < (45+X)/2 < 52%
Cross multiplying
96% < 45 + x < 104%
Subtract 45 from both sides
Range = 51% < x < 59%
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Glenn’s favorite number is very special because it reminds him of the day his daughter, Sarah, was born. The factors of this number do not repeat, and all of the prime numbers are less than . What is Glenn’s number? When was Sarah born? BRAINLIEST AND POINTS
Answer:
2/3/10
Step-by-step explanation:
the number is such that its factors do not repeat and factors are all prime numbers less than 12.
4x/5 + 2/3 + 1x/5 = x
Answer:
There are no solutions.
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
4x/5+2/3+1x/5=x
4/5x+2/3+1/5x=x
(4/5x+1/5x)+(2/3)=x(Combine Like Terms)
x+23=x
x+23=x
Step 2: Subtract x from both sides.
x+2/3−x=x−x
2/3=0
Step 3: Subtract 2/3 from both sides.
2/3−2/3=0−2/3
0=−2/3
Answer:
There are no solutions.
Solution: x=−2.5 y=0.5
Solution: x=2 y=2.
The slope is?
Answer:
1/3
Step-by-step explanation:
We have (x₁, y₁) = (-2.5, 0.5) and (x₂, y₂) = (2, 2). The formula for slope is
(y₂ - y₁) / (x₂ - x₁). When we plug these values in we get (2 - 0.5) / (2 - (-2.5)) =
1.5 / 4.5 = 1 / 3. Hope this helps!
What must the values of x and y be so that the two houses are similar?
if Suzannah's budget limit is $10 per month, how many text messages can she send in one month?
Answer:
.10x100=$10
Am smort :D
When Alisa entered a fraction into a calculator, the calculator showed 0.35. What fraction
could Alisa have entered?
Answer:
7/20
Step-by-step explanation: