Josh examines the expression 5^-1/5^1.
He claims that the expression has a value equal to 1 because it simplifies to 5^0, and any integer to the 0 power is 1.
Is Josh correct? Explain why or why not.
Answer:
Incorrect
Step-by-step explanation:
Law of Exponent:
\( \displaystyle \large{ \frac{ {a}^{m} }{ {a}^{n} } = {a}^{m - n} }\)
Substitute a = 5, m = -1 and n = 1.
\( \displaystyle \large{ \frac{ {5}^{ - 1} }{ {5}^{1} } = {5}^{ - 1 - 1} } \\ \displaystyle \large{ \frac{ {5}^{ - 1} }{ {5}^{1} } = {5}^{ - 2} }\)
Therefore, Josh is wrong because Josh misused the law of exponent. What Josh used was a^m × a^n = a^{m+n}.
Given the function h of x equals 3 times the cube root of x minus 5 end root plus 6, what is the x-intercept of the function?
The x-intercept of the function is -3
What is x-intercept?One example of an intercept is the X-intercept, which is when a line crosses the x-axis.
Where a line crosses the y-axis is known as the y-intercept.
One play in numerous football formats is the interception.
Donald Hamilton's 1980 thriller The Mona Intercept
Nixon announced Operation Intercept as a drug-prevention initiative.
Telephone monitoring, often known as third-party eavesdropping on phone and online talks
Android smartphone Samsung Intercept (SPH-M910) Visual Intercept, a Microsoft Windows-based software defect monitoring tool
A measurement of the linearity of an electrical device is the intermodulation intercept point.
A telephone recording known as the intercept message informs the caller that the call cannot be finished.
The Intercept is an online news source run by Jeremy Scahill, Laura Poitras, and Glenn Greenwald.
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Answer:
To find the x-intercept of the function, we need to find the value of x where the function h(x) is equal to zero.
Setting h(x) = 0, we have:
0 = 3∛(x - 5) + 6
Subtracting 6 from both sides, we get:
-6 = 3∛(x - 5)
Dividing both sides by 3, we get:
-2 = ∛(x - 5)
Cubing both sides, we get:
-8 = x - 5
Adding 5 to both sides, we get:
x = -3
Therefore, the x-intercept of the function is -3.
The answer is: -3.
Find Il fll the length of the functionf (x) = cos( 1 on the interval [~L,L]: None of the options displayed: OIlfll = -L Ilfll = VE Ifll = 2 Ollfll = L Ilfll =-VE OIlfll = L? Ifll = 2
(a) To find the maximum rate of change of f at point P(1,0), we need to find the gradient of f at that point and then find its magnitude. The direction of maximum increase is given by the unit vector in the direction of the gradient.
The gradient of f is:
∇f(x,y) = <y cos(xy), x cos(xy)>
At point P(1,0), we have:
∇f(1,0) = <0, cos(0)> = <0, 1>
The magnitude of the gradient is:
||∇f(1,0)|| = \(sqrt(0^2 + 1^2)\) = 1
Therefore, the maximum rate of change of f at point P is 1, and it occurs in the direction of the unit vector in the direction of the gradient:
u = <0, 1>/1 = <0, 1>
So the maximum rate of change occurs in the y-direction.
(b) To find the maximum rate of change of f at point P(8,1.3), we need to find the gradient of f at that point and then find its magnitude. The direction of maximum increase is given by the unit vector in the direction of the gradient.
The gradient of f is:
∇f(x,y,z) = <2x, 2y, 2z>
At point P(8,1.3), we have:
∇f(8,1.3) = <16, 2.6, 2(1.3)> = <16, 2.6, 2.6>
The magnitude of the gradient is:
||∇f(8,1.3)|| = \(sqrt(16^2 + 2.6^2 + 2.6^2) = sqrt(275.56) ≈ 16.6\)
Therefore, the maximum rate of change of f at point P is approximately 16.6, and it occurs in the direction of the unit vector in the direction of the gradient:
u = <16, 2.6, 2.6>/16.6 ≈ <0.963, 0.157, 0.157>
So the maximum rate of change occurs in the direction of this unit vector.
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Which equation has no solution?
O 6(x + 1) = 5x - 6
O 4x - 8 + 5x = 3(3x + 1)
O 3x-7-7x - 2
O 3x + 4 = 4(x - 1) + 7
Answer:
4x-8+5x = 3(3x+1) has no solution
Step-by-step explanation:
4x-8+5x = 9x+3
4x+5x-9x = 3+8
9x-9x = 3+8
0 = 11 impossible
y=6x-17 -12x+2y = -34 ??
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1. Find the measure of the hypotenuse of a right triangle with legs of 11 inches and 60 inches. Explain.
Answer:
61
Step-by-step explanation:
It should be 61
Square 60 and 11 and add them together to get 3271
Then square root 3271
You'll get 61
Which is the answer
A 3-gallon jug of water costs $16.80. What is the price per cup?
Answer:
$0.35
Step-by-step explanation:
A gallon is equal to 16 cups, so the 3-gallon jug is equal to 48 cups. You when then divide $16.80 by 48, to get $0.35 or the price per cup! Hope this helps :)
Answer:
0.35
Step-by-step explanation:
5. Which of the following will NOT produce a
Triangle?
A. angle measures of 47, 589, 85
B. angle measures of 61, 61, 58
C. side lengths of 5.5 ft, 11 ft, and 5.5 ft
D. side lengths of 5 in, 7 in, and 8 in
Answer:
A ) angle measures of 47 , 589 , 85
Step-by-step explanation:
a triangle can only be 180 degrees in total and the second number completely blows it out of that range
EDIT : even if there was a typo in the question , A would still equal 190 and thus make it not a triangle
Math school please need help
Answer:
r² = (9 - 4)² + (6 - 4)² = 5² + 2² = 25 + 4 = 29
So the equation of this circle is
(x - 4)² + (y - 4)² = 29
Walking at a constant rate, Fred covers
10 miles in 4 hours. Predict how far he can hike in 10 hours.
Answer:
Fred will walk about 25 miles after 10 hours.
Step-by-step explanation:
First you have to find how much he walks in one hour, to do that you divide 10 by 4 to get 2.5
Then you multiply 2.5 by the 10 hours to get 25.
Hope that helps and have a great day!
Answer:
he can cover 25 miles
Step-by-step explanation:
10/4= 2.5 10x2=20 2.5x2=5 20+5=25
Write an equivalent
expression for 5(2x + 3).
Answer:2(5x + 7.5)
Step-by-step explanation:It correct
Pls mark brainlest
The Venn diagram below shows the 8 students in Ms. Patterson's class.
The diagram shows the memberships for the Music Club and the Science Club.
Note that "Dante" is outside the circles since he is not a member of either club.
One student from the class is randomly selected.
Let A denote the event "the student is in the Music Club."
Let B denote the event "the student is in the Science Club."
Circle MUSIC: Carmen
Circle SCIENCE: Carlos, Deon, Rachel, Martina
In the Middle circle: Deandre, Justin
P (A)=
P (B)=
P (A or B) =
P (A and B) =
P (A) + P (B) - P (A and B) =
(b) Select the probability that is equal to P (A) + P (B) - P (A and B).
is it P (B), P (A or B), or P (A and B) or P (A)
The main answer is that the probability equal to P(A) + P(B) - P(A and B) is equal to P(A or B).
To explain further, let's break down the given information. We have two events: A represents the event "the student is in the Music Club," and B represents the event "the student is in the Science Club." We are asked to find the probability that is equal to P(A) + P(B) - P(A and B).
P(A) represents the probability of selecting a student who is in the Music Club, P(B) represents the probability of selecting a student who is in the Science Club, and P(A and B) represents the probability of selecting a student who is a member of both the Music Club and the Science Club.
The expression P(A) + P(B) - P(A and B) is a commonly used formula for finding the probability of the union of two events. It accounts for the possibility of double-counting students who are members of both clubs.
In this case, P(A or B) represents the probability of selecting a student who is either in the Music Club or the Science Club (or both). Therefore, P(A or B) is equal to P(A) + P(B) - P(A and B).
Hence, the probability that is equal to P(A) + P(B) - P(A and B) is equal to P(A or B).
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Find the area for 5cm 6cm 7cm
Suppose money grows according to the simple interest accumulation function a(t) = 1. 05t. How much money would you need to invest at time 3 in order to have $3,200 at time 8?
$2,560 needs to be invested at time 3 in order to have $3,200 at time 8.
Since the money grows according to the simple interest accumulation function a(t) = 1.05t, the amount of money A at time t, given an initial amount P, can be calculated using the formula:
A = P + Pr(t)
where r is the interest rate (in this case, 5% or 0.05) and t is the time period (measured in years).
To determine how much money needs to be invested at time 3 to have $3,200 at time 8, we can use the above formula and solve for P:
3200 = P + Pr(8-3)
3200 = P + 5P(0.05)
3200 = P + 0.25P
3200 = 1.25P
P = 3200 / 1.25
P = 2560
Therefore, an initial investment of $2,560 at time 3 would be needed to have $3,200 at time 8, assuming a simple interest accumulation function with an interest rate of 5%.
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Find Y
LOOK AT THE PICTURE
Answer:
D
Step-by-step explanation:
\(y = 3\sqrt{2}\)
Just use pythagorean theorem, very simple.
c = \(\sqrt{a^{2}+b^{2} }\)
In your case c is y
your answer calculated will come out to 4.24 but put in terms your teacher wants will be
\(y = 3\sqrt{2}\)
The circumference of a circle is 91.688 millimeters. what is the radius of the circle? use 3.14 for π. 29.2 mm 183.4 mm 14.6 mm 45.8 mm
Answer:
14.6mm
Step-by-step explanation:
The formula for finding the circumference of a circle is 2πr.
The circumference is 91.688 millimeters inorder to find the radius we have to do the opposite or inverse of multiplication which is division.
So we divide the circumference by 2 and pi which is 3.14 which will give us the radius
r = radius = 91.668 ÷ 3.14 ÷ 2 = 14.6
Answer: its c
Step-by-step explanation:
John's total pay including benefits is $20 an hour. He is supposed to work 40 hours each week for 50 weeks per year. John wastes approximately 3 hours a week by procrastinating , daydreaming, and checking social media during his scheduled work day. How many dollars in lost productivity does John cost his company ?
Answer: John costs him company $3000 in lost productivity
Step-by-step explanation:
hours lost- 50 times 3 = 150
money lost- 150 times 20 = 3000
How long is the fence around the softball field?
Answer: 456
Step-by-step explanation:
Can someone please help I will give you 30 points and brainliest if the answer is right also no links please
Answer:
HL.
Step-by-step explanation:
Triangles FEH and FGH are congruent
They are both right angles and the hypotenuse and a leg ( the side FH) are both equal in length.
What is the area of the following circle?
Either enter an exact answer in terms of or use 3.14 for
and enter your answer as a decimal.
R=4
Answer:
50.27
Step-by-step explanation
In order to find the area of a circle you must multiply Pi by the radius squared, in this case Pi times 16 (4 squared) = 50.27
strengths and limitations of visually interpreting histograms
Therefore, visually interpreting histograms can be a powerful tool for data analysis, but it is important to be aware of their strengths and limitations.
Histograms are an effective way to display data graphically. They are used to show how often certain values or ranges of values appear in a data set. Visual interpretation of histograms has many strengths and limitations. Some of the strengths of visually interpreting histograms are that they are easy to read and understand, they provide a clear picture of how the data is distributed, and they can help identify outliers or gaps in the data. However, some of the limitations of visually interpreting histograms are that they can be influenced by the number of bins chosen, the way the data is grouped, and the choice of the scale used. Therefore, it is important to carefully consider these factors when interpreting a histogram. In conclusion, visually interpreting histograms can be a powerful tool for data analysis, but it is important to be aware of their strengths and limitations.
Therefore, visually interpreting histograms can be a powerful tool for data analysis, but it is important to be aware of their strengths and limitations.
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On Monday, Lexi rode 3 miles on a bike. On Tuesday, she rode 3 times more than she did Monday. On Wednesday, she rode an additional 4 miles.
How many miles has Lexi ridden so far this week?
Answer:
she has rode 16 miles this week
Step-by-step explanation:
3 miles on monday 3 times that many on tuesday plus 4 miles one wensaday add them all up
3 times 3 is 9 plus 3 is 12 plus 4 is 16 there fore 16 miles in totale
sorry for my speling erros
She rode a total distance of 16 miles this week.
An expression in mathematics is a combination of terms both constant and variable. For example, we can write the expressions as -
2x + 3y + 5
2z + y
x + 3y
The distance rode by Lexi per day is mentioned below -
Monday - Lexi rode 3 miles on a bike.
Tuesday - Lexi rode 3 times more than she did Monday.
Wednesday - Lexi rode an additional 4 miles.
We can write the expression to find the total distance in miles covered by Lexi as -
d = d{M} + d{T} + d{W}
d = 3 + (3 + 3) + 4
d = 3 + 6 + 4
d = 13 miles
Therefore, she rode a total distance of 16 miles this week.
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in this question, we will show the existence and uniqueness of solutions to systems of differential equations with inputs in particular,we previously considered the scalar differential equation
Existence and uniqueness of solutions to systems of differential equations depend on the number of equations and the order of each equation. For example, a system of two first-order equations has a unique solution, while a system of three first-order equations may not have a unique solution.
Previously, we considered the scalar differential equation, which is a single differential equation involving only one independent variable. In this case, the solution to the equation is unique. This is because there is only one equation and only one variable, so the solution must be unique for a given set of initial conditions.
For a system of differential equations, the existence and uniqueness of solutions depend on the number of equations and the order of each equation.
Systems of differential equations with higher order equations or more equations than unknowns may not have a unique solution. On the other hand, if there are more unknowns than equations, then there is always a unique solution. To find the solution, the equations must be solved simultaneously.
In conclusion, A scalar differential equation always has a unique solution.
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If the nucleus of an atom contains 12 protons, how many electrons are there in a neutral atom?
Answer:
An atom of sodium has 11 proton, 11 electrons, and 12 neutrons.
Answer
\(12\)
Step by step explanation
\(protons = electrons \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 12 = 12\)
hope this helps
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Find x
A. 33
B. 44√3
C. 33√2
D. 11√3
Answer:
d
Step-by-step explanation:answer is d on edg
The line plot displays the cost of used books in dollars.
A horizontal line starting at 1 with tick marks every one unit up to 9. The line is labeled Cost in Dollars, and the graph is titled Cost of Used Books. There is one dot above 2, 4, 8, and 9.There are two dots above 6 and 7. There are three dots above 3.
Which measure of center is most appropriate to represent the data in the graph, and why?
The mode is the most appropriate measure of center to represent the data in the graph because it reflects the most common value(s) observed in the dataset. In this case, the mode is 3.
The most appropriate measure of center to represent the data in the given line plot is the mode.
The mode is the value or values that occur most frequently in a dataset. In this case, we can observe the frequencies of the data points on the line plot:
There is one dot above 2, 4, 8, and 9.
There are two dots above 6 and 7.
There are three dots above 3.
Based on this information, the mode(s) of the dataset would be the values that have the highest frequency. In this case, the mode is 3 because it appears most frequently with a frequency of three. The other data points have frequencies of one or two.
The mode is particularly appropriate in this scenario because it represents the most common or frequently occurring value(s) in the dataset. It is useful for identifying the central tendency when the data is discrete and there are distinct peaks or clusters.
While the median and mean are also measures of center, they may not be the most appropriate in this case. The median represents the middle value and is useful when the data is ordered. However, the given line plot does not provide an ordered arrangement of the data points. The mean, on the other hand, can be affected by outliers and extreme values, which may not accurately represent the central tendency of the dataset in this scenario.
Therefore, the mode is the most appropriate measure of center to represent the data in the graph because it reflects the most common value(s) observed in the dataset. In this case, the mode is 3.
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Multiplying Radicals With Foil ( 50 Points ) Provide Steps PLEASEEE
Answer:
Answer is – 3
Step-by-step explanation:
expand the expression using ( a – b) ( a + b) = a² –b²
( 3 ) ² – ( 6) ² *remember to place your square roots inside the brackets my phone doesn't have one*
then simplify the radical
3–6 = – 3
find the values of A and B
a =
b =
Answer:
a=-3, b=5
Step-by-step explanation:
Given that:
10-√18/√2=a+b√2
We need to find values of a and b.
All we have to do is solve 10-√18/√2
The first step is to simplify √18
√18=√9×2=3√2
The second step is to rationalize the whole fraction, by removing an irrational number as the denominator
10-√18/√2 = 10-3√2/√2 × √2/√2
Distribute √2:
10√2-3×√2²/√2²
10√2-6/2
Factor out 2 from the expression:
2(5√2-3)/2
Cancel out the 2, and the final answer is:
5√2-3
Thus, a=-3 and b=5
Hope this helps!
How are coordinates written XYZ?
In three-dimensional space, coordinates are often written in the format (x, y, z), where x, y, and z represent the positions along the x-axis, y-axis, and z-axis, respectively.
These coordinates can also be written as XYZ, where X, Y, and Z represent the position along the x-axis, y-axis, and z-axis, respectively.
For example, the point (3, 4, 5) in three-dimensional space can also be written as the point XYZ = 3,4,5
It is important to note that the order of the coordinates, XYZ, is crucial when working with three-dimensional space. It is a common notation used in geometry, engineering, physics, and computer graphics.
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Find the product.
(-2 x2 ) 3 ·3 x
Answer: -24x^7
Step-by-step explanation:
pemdas so you do parentheses first therefore getting (2x^2)^3x3x
remove the parentheses
do -8x^6x3x
after that you end up with -24x^7
Simplify (-2x^2) ^3 by raising each term by 3:
-2^3x^6
Now you have
-2^3 x^6 times 3x
-2^3 = -8
x^6 tomes x = x ^7
-8 x 3 = -24
Answer is -24x^7