Step-by-step explanation:
Given,
radical 784 divided by radical 7
Sol^n:
Rewrite it as
\( = \sqrt{ \cfrac{ \cancel{784} {}^{112} }{ \cancel7} } \)
\( = \sqrt{112} \)
\( = \sqrt{ {4}^{2} \times 7 } \)
Bring terms out
\( = \boxed{ 4 \sqrt{7} }\)
Or
\( \approx \boxed{ 10.6}\)
This is the answer
What is the rule of SAS criteria?
We have defined the criteria for SAS congruency of triangles.
What is SAS?
The SAS theorem states that "Triangles are congruent if two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle."
According to the SAS criteria for triangle similarity, two sides of one triangle are similar to two sides of another triangle if their included angles are congruent.
Hence, we have defined the criteria for SAS congruency of triangles.
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Part 1. Using the two functions listed below, insert numbers in place of the letters a, b, c, and d so that f(x) and g(x) are inverses. f(x)= x+a b g(x)=cx−d Part 2. Show your work to prove that the inverse of f(x) is g(x). Part 3. Show your work to evaluate g(f(x)). Part 4. Graph your two functions on a coordinate plane. Include a table of values for each function. Include five values for each function. Graph the line y = x on the same graph. Task 2 Part 1. Create two radical equations: one that has an extraneous solution, and one that does not have an extraneous solution. Use the equation below as a model: a√x+b+c=d Use a constant in place of each variable a, b, c, and d. You can use positive and negative constants in your equation. Part 2. Show your work in solving the equation. Include the work to check your solution and show that your solution is extraneous. Part 3. Explain why the first equation has an extraneous solution and the second does not.
There is no b unfortunately
Find inverse of x+a
x+a=yinterchAnge
y+a=xy=x-aInverse is
f^{-1}x=x-aNow
x-a=cx-dx-cx=a-dx(1-c)=a-dx=a-d/1-cSo
You can have any number according to this but
c must not be 1a and d must not be equal .All three should belongs to integers setNote:-
As there is no b given in question (May be missed in typing) Part-2 's equation can't be executed and part 3 also
help plz im confused
Answer:
x = 16
Step-by-step explanation:
Δ ABC and Δ ADE are similar , thus the ratios of corresponding sides are equal, that is
\(\frac{AB}{AD}\) = \(\frac{BC}{DE}\) , substitute values
\(\frac{x}{x+6}\) = \(\frac{8}{11}\) ( cross- multiply )
11x = 8(x + 6)
11x = 8x + 48 ( subtract 8x from both sides )
3x = 48 ( divide both sides by 3 )
x = 16
I need to graph the points where the line crosses the axes. Also a basic explanation of how to do so would be helpful
Answer:
(0,6) and (-2, 0)
Step-by-step explanation:
All straight lines follow the equation, y = mx + c. where c is the y-intercept (the point where the line meets the y-axis) and m is the gradient.
In this equation, c = 6. So, the point where the line meets the y-axis is (0, 6).
Remember: the point where the line meets the y-axis always has an x-coordinate of 0 and the point where the line meets the x-axis has a y-coordinate of 0.
using this information, we can substitute y in the equation with 0 becoming
0 = 6 + 3x
now we can solve for x.
0 -6 = 3x
-6 / 3 = x
x = -2
the coordinate is (-2, 0)
help if you can please
Answer:
a: 24 cm
b: 101 m
c: 1.46 mm
Step-by-step explanation:
Formula: d=2r
a: 12*2=24 cm
b: 50.5*2=101 m
c: 0.73*2=1.46 mm
Find the solutions to (x + 4)2 = 25.
Check all that apply.
Answer:
x= 17/2 is the correct answer
pls help! Evaluate for m: 6 – 4m = 26
Answer:
m = -5
Step-by-step explanation:
solve for x.
FILLER
The figure below to the left is a graph of f(x), and below to the right is g(x).
The figure below to the left is a graph of f(x), a
(a) What is the average value of f(x) on 0≤x≤2? avg value = __________
(b) What is the average value of g(x) on 0≤x≤2? avg value = __________
(c) What is the average value of f(x)?g(x) on 0≤x≤2? avg value = _________
(d) Is the following statement true?
Average(f)?Average(g)=Average(f?g)
A. Yes
B. No
The average value of both f(x) and g(x) on 0≤x≤2 is 1/4. The average value of (f.g) on 0≤x≤2 is 0 and the statement avg(f) . avg(g) = avg(f . g) is false.
avg value of a function = 1/(b - a) ∫f(x) with limts a and b. Here a and b are the constraints under which the average has to be calculated.
a)
Hence average value of f(x) on 0≤x≤2
= 1/2 ∫f(x) with 0 and 2 as intervals
Since integration is basically the area under the curve we get
avg of f(x) = 1/2[area under curve from 0 to 1 + Area under the curve from 1 to 2]
Since from 0 to 1, the figure is a triangle and beyond that a straight line we get
1/2[1/2 X 1 X 1 + 0]
= 1/4 sq units
b)
Similarly, the average value of g(x) on 0 ≤ x ≤ 2
1/2[area from 0 to 1 + area from 1 to 2]
= 1/2[0 + 1/2]
= 1/4 sq units
c) here we need to find the average of f(x) . g(x)
Here we see that f(x) is 0 from x = 1 to x = 1 while g(x) id 0 from x = 0 from x = 1
Hence we see that on multiplying the functions, the resultant has to be a 0 function.
Hence its average value will be 0.
d)
Average(f) . Average(g) = 1/4 X 1/4
= 1/16
Average of (f.g) = 0
Hence the statement is false
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Complete Question
The figure attached to the left is a graph of f(x), and below to the right is g(x).
The figure below to the left is a graph of f(x), a
(a) What is the average value of f(x) on 0≤x≤2? avg value = __________
(b) What is the average value of g(x) on 0≤x≤2? avg value = __________
(c) What is the average value of f(x) . g(x) on 0≤x≤2? avg value = _________
(d) Is the following statement true?
Average(f) . Average(g)=Average(f.g)
A. Yes
B. No
Identify a pattern and find the next number in the pattern. 2x/3, x/3, x/6, x/12, . . .
The given pattern is a sequence of fractions where each term is obtained by dividing a value, denoted as 'x', by a different power of 2. The pattern starts with 2x/3, followed by x/3, x/6, x/12, and so on.
To understand the pattern, let's analyze each term:
2x/3: The initial term represents twice the value 'x' divided by 3.
x/3: The second term is obtained by halving the previous term. Here, 'x' is divided by 3, which is equivalent to multiplying by 1/2.
x/6: The third term is obtained by halving the previous term once again. 'x' is divided by 6, which is equivalent to multiplying by 1/2.
x/12: The fourth term follows the same pattern, halving the previous term. 'x' is divided by 12, which is equivalent to multiplying by 1/2.
Based on the given pattern, it is evident that each term is obtained by dividing the previous term by 2. Therefore, the next number in the pattern can be determined by dividing x/12 by 2:
x/12 ÷ 2 = x/24
Hence, the next number in the pattern is x/24.
In summary, the pattern involves dividing 'x' by powers of 2 successively. The sequence starts with 2x/3 and each subsequent term is obtained by halving the previous term. Therefore, the next number in the pattern is x/24.
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A circular pond is shown below with a radius of 3.56m.
What is the area of the pond's surface?
Give your answer in m? to 1 d.p.
The area of the circular pond's surface is approximately 39.8 m².
1. The area of a circular surface can be calculated using the formula: A = πr², where A represents the area and r represents the radius of the circle.
2. Given that the radius of the pond is 3.56 m, we can substitute this value into the formula.
3. Calculate the area by squaring the radius and multiplying it by π: A = π × (3.56 m)².
4. Simplify the expression by calculating the square of the radius: A = π × 12.6736 m².
5. Multiply the result by π, which is approximately 3.14159: A ≈ 3.14159 × 12.6736 m².
6. Perform the multiplication to find the final result: A ≈ 39.800233184 m².
7. Round the area to one decimal place: A ≈ 39.8 m².
Therefore, the area of the circular pond's surface is approximately 39.8 m².
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a supervisor finds the mean number of miles that the employees in a department live from work. he finds x overbar
The supervisor calculates the mean number of miles that the employees in a department live from work and obtains the value (x-bar).
The mean, denoted by x - bar (x-bar), is a statistical measure that represents the average value of a set of data. In this case, the supervisor is interested in determining the average distance in miles that the employees in a department live from their workplace.
By calculating x-bar, the supervisor obtains a single value that summarizes the central tendency of the data set.
The mean is computed by summing all the distances and dividing the sum by the total number of employees in the department.
It provides valuable insight into the typical commute distance of the employees and can be used for various purposes, such as evaluating transportation needs or planning employee benefits.
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Work out 5/7 of 100
Give your answer correct to the nearest whole number.
Answer:
71
Step-by-step explanation:
100÷7≈14.1
14.1×5=70.5
70.5 rounded to the nearest whole number is 71
The graph of y=3x is shown. What is the value of x when y=27?
A. 2
B. 3
C. 9
D. 24
It said c was wrong
Answer:
x = 3
Step-by-step explanation:
Is x an exponent?
\( y = 3^x \)
\( 27 = 3^x \)
\( 3^3 = 3^x \)
\( x = 3 \)
pls help will mark as brainliest
Answer:
(i) The surface(sheet) of a conical tent is circular so we must use the formula for the area of a circle to find out;
Given the diameter 14, we must find the radius.
To find the radius we must do 1/2 of the diameter to get the radius.
14 x 1/2 = 7, is the radius
Formula for area of a circle;
a = πr^2
where pi is 3.14 or 22/7, r is the radius which is being squared
Plug in the actual values:
a = πr^2
a = 3.14 x 7^2
a = 3.14 x 49
a = 153.86 square meters, is the area of the conical tent's sheet.
(ii) Since there are 153.86 meters in one sheet, we should multiply that by $12(because $12 per meter) to get the total cost.
So,
153.86 meters x $12 = $1,846.32, it would cost 1,846.32 dollars.
HELP MATH ASAP! MARKING BRANLIST
Answer:
-4/3
Step-by-step explanation:
Use the slope formula:
\(\frac{y2-y1}{x2-x2}\)
-4 - 12/ 13 - 1
-16/12
Simplifies to -4/3
an equilibrium phase diagram can be used to determine:
An equilibrium phase diagram can be used to determine phase transitions, phase presence, and phase compositions at different conditions.
An equilibrium phase diagram can be used to determine the below mentioned parameters:
A) It can determine where phase transitions will occur. Phase transitions refer to changes in the state or phase of a substance, such as solid to liquid (melting) or liquid to gas (vaporization). The phase diagram provides information about the conditions at which these transitions take place, such as temperature and pressure.
B) It can determine what phases will be present for each condition of chemistry and temperature. The phase diagram shows the different phases or states of a substance (such as solid, liquid, or gas) under different combinations of temperature and pressure. It provides a visual representation of the stability regions for each phase, indicating which phase(s) will be present at a given temperature and pressure.
C) It can determine the chemistry and amount of each phase present at any condition. The phase diagram gives information about the composition (chemistry) and proportions (amount) of different phases present under specific conditions. It helps identify the coexistence regions of multiple phases and provides insight into the equilibrium compositions of each phase at various temperature and pressure conditions.
In summary, an equilibrium phase diagram is a valuable tool in understanding the behavior of substances and can provide information about phase transitions, phase stability, and the chemistry and amounts of phases present at different conditions.
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After a 25% discount, the price of a T-shirt was $12. What
was the price before the discount?
Answer: $15
Step-by-step explanation: 1.25 X 12 = 15
Answer:
The price before the discount is $ 16
Step-by-step explanation:
Which of the following statements best describes the function of the logic variable X?
A. X is a variable whose value is 1 or 0.
B. X is a constant value in the indeterminate range of logic values.
C. X is a variable whose value is always 1.
D. X is a variable whose value is always 0.
The best statement that describes the function of the logic variable X is: A. X is a variable whose value is 1 or 0.
Logic variables typically represent binary states or conditions, where 1 represents "true" or "on" and 0 represents "false" or "off". Therefore, option A accurately describes the function of the logic variable X as having a value of either 1 or 0. Logic variables are often used in the field of logic and computer science to represent binary states or conditions. The value of a logic variable can only be one of two possibilities: 1 or 0.
In this context, 1 typically represents "true" or "on," indicating that a certain condition is satisfied or a certain state is active. On the other hand, 0 represents "false" or "off," indicating that the condition is not satisfied or the state is inactive.
By using logic variables, we can model and manipulate binary logic in a precise and systematic manner. The values of logic variables are fundamental in logical operations, such as AND, OR, and NOT, which are essential in designing and analyzing digital circuits, programming, and logical reasoning.
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K
4, -3
J
-2, -3
L
3,2
M
1,2
The perimeter of trapezoid JKLM is _____units
Round to the nearest hundredth (2 decimal places).
How high is a tree that casts a 25 ft shadow at the same time a 7ft pole casts a shadow which is 4 ft long?
Answer:
x=12
Step-by-step explanation:
height of tree)/(shadow length of tree) = (height of pole)/(shadow length of pole)
x/26 = 6/13
13x = 26*6
13x = 156
x = 156/13
x = 12
(hope this helps can i plz have brainlist :D hehe)
3) Equation 3 should represent a parabola that is a vertical stretch of the parent function and has a y-intercept greater than 3 and opens down. Equation 3:___________________________________________________________________ What strategy are you using to solve this equation and why? ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ Show your work and solution for solving this equation:
Answer:
The answer is given below
Step-by-step explanation:
The equation of a quadratic function is given by:
ax² + bx + c where a, b and c are the coefficients of the quadratic equation. The value of a determines whether the graph opens up or down (if a is positive opens up and if a is negative opes down), the value of c determines the y intercept (if c is positive, we have a positive intercept and if c is negative the intercept is negative).
The chosen equation is -x² -4x + 5. Since it has y-intercept of 5 and opens down (coefficient of x² is -1)
Let us assume a vertical stretch of 4, the new equation becomes:
4(-x² -4x + 5)
-4x² - 16x + 20
-4x² - 16x + 20 = 0
a = -4, b = -16 and c = 20
Using the quadratic formula:
\(x=\frac{-b \pm \sqrt{b^2-4ac} }{2a}\\ x=\frac{-(-16) \pm \sqrt{(-16)^2-4(-4)(20)} }{2(-4)}=\frac{16 \pm 24}{-8} \\x= -5 \ or \ x=1\)
A number of birds of an endangered species were released in a forest preserve with a carrying capacity of 500 birds the population P of the birds can be modeled by P (t) 500/1+4.55e^-0.5t, Where t is the number of years since the birds were released
(a) When does the growth rate start to decrease?
(b) What is the initial population?
(c) What is the maximum population?
(d) What is the population of the birds after 2 years?
By analyzing the population equation we can see that:
a) For t > 0, the rate decreases.b) The initial population is 91 birds.c) The maximum population is 500.d) After 2 years the population is 187 birds.How to work with the population equation?Here we have the population equation:
\(p(t) = \frac{500}{1 + 4.55e^{-0.5*t}}\)
a) When does the growth rate start to decrease?
The rate of change will be:
\(p'(t) = 0.5*\frac{500}{(1 + 4.55e^{-0.5*t})^2}*4.55e^{-0.5*t}\)
Below, you can see the graph of it, and there you can see that for t > 0 the rate always decreases.
b) The initial population is what we get when we evaluate p(t) in t = 0
\(p(t) = \frac{500}{1 + 4.55e^{-0.5*0}} = \frac{500}{1 + 4.55} = 91\)
c) What is the maximum population?
It is 500 (asymptotically), which is the value that we get when we take the limit of t to infinity.
d) The population after 2 years is given by:
\(p(t) = \frac{500}{1 + 4.55e^{-0.5*2}} = 187\)
So after two years, there will be 187 birds.
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If correct I’ll give brainlist no links or I’ll report
Compare the budgets of Hong Kong, United States of America, and
Korea based on your definition of a budget, in terms of contents,
formats, advantages, and disadvantages, etc.
The budgets of Hong Kong, the United States of America, and Korea differ in contents, formats, advantages, and disadvantages. While each budget has its strengths and weaknesses, they all aim to provide a clear and transparent financial plan for their respective countries.
A budget is a financial plan that estimates expected income and expenditure for a specific period. It may include income, expenses, debts, and savings. Budgets may vary from country to country and can be analyzed by comparing their contents, formats, advantages, and disadvantages. Here are the budgets of Hong Kong, the United States of America, and Korea:
Hong Kong Budget:United States Budget:
Contents: The US budget comprises revenue, expenditures, and deficit or surplus. It includes an analysis of taxes, social security, and Medicare.Format: The US budget is presented in a complex and lengthy format, including tables, graphs, and other financial documents.Advantages: The budget provides detailed information on tax expenditures and encourages public participation in the budget process.Disadvantages: The budget can be challenging to understand due to its complexity, and it may not provide an accurate depiction of federal spending.Korean Budget:
Contents: The Korean budget comprises revenue, expenditures, and surplus or deficit. It includes detailed information on taxes, social security, and public welfare.Format: The Korean budget is presented in a clear and concise format, including tables and charts to aid understanding.Advantages: The budget is easy to understand, and it promotes transparency and accountability. It also provides detailed information on social welfare expenditures.Disadvantages: The budget may not provide an accurate depiction of government spending, and it may not include information on hidden expenditures.Learn more about Budget:
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Sum is 12. Amjad thought of two numbers whose and whose difference is 4. (find the matrix inversion method to Solve)
Answer:
the answer is X=8 and Y=4
Determine the 3 digit chopping and rounding approximately of the number 0.9
Answer:
We want to "chop and round" the periodic number 0.9 at 3 digits.
First, remember that we can write our periodic number as:
0.9 = 0.9999...
Such that the nine repeats infinitely.
Now we want to chop it at the third digit, and then round.
To chop at the third digit we just "cut" the number at the third digit after the decimal point, we will get:
0.9 ≈ 0.999
Now we round.
Remember that to round a number, we need to look at the last digit after the decimal point.
If the last digit is 5 or larger, we round up, adding 1 to the previous decimal.
If the last digit is 4 or smaller, we round down, don't adding anything to the previous decimal.
in our number:
0.999
The last digit is a 9, so we round up.
Then we add "1" to the previous decimal
but the previous decimal is a 9, so when we add 1, it will transform into a 10.
So it also adds one to the previous decimal, which also is a 9, so the process repeats, this time adding 1 to the decimal to its left, in this case, that decimal will be the first decimal at the left of the decimal point.
So after rounding, we will get:
0.999 ≈ 1
Then we can conclude that:
he 3 digit chopping and rounding approximately of the number 0.9 is 1"
when finding a minimum in a linear programming problem, it is possible to find more than one minimum value. yes or no
The statement 'when finding a minimum in a linear programming problem, it is possible to find more than one minimum value' is True.
In this question, we have been given a statement - 'when finding a minimum in a linear programming problem, it is possible to find more than one minimum value.'
We need to state whether it is true or false.
We know that, the minimum value of the objective function Z = ax + by in a linear programming problem can also occur at more than one corner points of the feasible region.
Therefore, when finding a minimum in a linear programming problem, it is possible to find more than one minimum value.
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What is the difference between a rational and irrational number?
Answer:
Rational numbers are the numbers which are integers and fractions
Irrational numbers are the numbers whose expression as a fraction is not possible
Examples of Rational Number
1/9 – Both numerator and denominator are integers.
7 – Can be expressed as 7/1, wherein 7 is the quotient of integers 7 and 1.
√16 – As the square root can be simplified to 4, which is the quotient of fraction 4/1
0.5 – Can be written as 5/10 or 1/2 and all terminating decimals are rational.
0.3333333333 – All recurring decimals are rational.
Examples of Irrational Number
√2 – √2 cannot be simplified and so, it is irrational.
√7/5 – The given number is a fraction, but it is not the only criteria to be called as the rational number. Both numerator and denominator need to integers and √7 is not an integer. Hence, the given number is irrational.
3/0 – Fraction with denominator zero, is irrational.
π – As the decimal value of π is never-ending, never-repeating and never shows any pattern. Therefore, the value of pi is not exactly equal to any fraction. The number 22/7 is just and approximation.
0.3131131113 – The decimals are neither terminating nor recurring. So it cannot be expressed as a quotient of a fraction.
New, larger bottle of shampoo contains 20 ounces. the bottle says you get 33% more than the amount in the original bottle. how many ounces of shampoo were in the original bottle?
Amount of shampoo in the original bottle is 15.0376 ounces.
Larger bottle of shampoo contains = 20 ounces
Let, amount of shampoo in the original bottle = x ounces
33% of amount of shampoo in the original bottle = ((33x)/100)
According to the question, amount of shampoo in the larger bottle is 33% more of amount of shampoo in the original bottle. So, mathematically we can write
20 = x + ((33x)/100)
⇒ 20 = x + 0.33x
⇒ 20 = 1.33 x
⇒ x = 20/1.33
⇒ x = 15.0376
Amount of shampoo in the original bottle is 15.0376 ounces.
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is 9, -18, 36, -72 arithmetic, geometric, or neither
Answer:
Geometric
Step-by-step explanation:
By a constant factor of -2
9(-2) = -18
-18(-2) = 36
36(-2) = -72
I hope this helps!