\(\huge\text{Hey there!}\)
\(\mathsf{8\times3^2 - (14 + 6)}\)
\(\mathsf{= 8\times 9 - (14 + 6)}\)
\(\mathsf{= 72 - (14 + 6)}\)
\(\mathsf{= 72 - 20}\)
\(\mathsf{= 52}\)
\(\huge\textbf{Therefore, your answer should be:}\)
\(\huge\boxed{\mathsf{52}}\huge\checkmark\)
\(\huge\text{Good luck on your assignment \& enjoy your day!}\)
~\(\frak{Amphitrite1040:)}\)
Calculates 3 to the power of 2 and gets 9.
8 × 9 −(14 + 6)Multiply 8 and 9 to get 72.
72 − (14 + 6)Add 14 and 6 to get 20.
72 − 20Subtract 20 from 72 to get 52.
52Skandarkal and kara solve this problem in two different ways. the perimeter of a rectangle is 4646 centimeters. its length is 88 centimeters. what is its width? use the drop-down menus to complete the sentences below.
If the perimeter of the rectangle is 4646 centimeters and its length is 88 centimeters then its width would be 2235 centimeters
What is meant by the term Perimeter?The perimeter of a form in geometry is defined as the entire length of its border. A shape's circumference is calculated by summing the lengths of all of its sides and edges. Its dimensions are expressed in linear units like centimeters, meters, inches, and feet.
In daily life, people constantly employ the idea of perimeter. For instance, we measure the perimeter of the area to be fenced in or decorated for Christmas to determine how much wire you will need.
We are aware that a regular polygon has equal-length sides.
A regular polygon's perimeter is equal to the product of all of its sides, which is equal to the quantity o sides times the length of a side.
How to solve?
width = 4646 - 2*88 =4470
width of one side = 4470/2 = 2235 centimeters
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Dr. Fahrrad has been riding his bike to his job and is curious how many ATP his body is breaking apart in order to do the work required to get to his job.
Dr. Fahrrad rides 4.6 kilometers to his job, has a mass of 74.9 kilograms and has an average acceleration of 1.4 kilometers per second squared.
The molecule ATP is able to do work, measured in kilojoules per mole of ATP broken into ADP. The SI unit for work is a joule. Using the information given we can calculate work and then convert to moles of ATP.
The first step is to take stock of what we are given in the word problem and what we are trying to find. We have mass, distance, and average acceleration. We are trying to find how many ATP are required to power the bike ride to work.
The equation for work, is force times distance and will tell us how many joules Dr. Farrhad is using on his bike ride. It also incorporates one of our given variables, distance. However, the distance was reported in kilometers and the SI unit of distance is the meter. It is necessary to convert to meters before using this equation.
The equation for Force is mass times acceleration. This will incorporate our remaining two variables, mass and acceleration. Again, the information given to us was in km·s-2 but the SI unit for acceleration is m·s-2. It is necessary to convert to m·s-2 before substituting into the equation.
By substituting the equation for F into the equation for W, we can figure out how many joules Dr. Fahrrad is burning on his ride to his job.
In order to use these equations, we are assuming quite a few things. Below are some of the assumptions.
no friction
no mass of the bike
a flat ride with no change in altitude
This equation above will calculate work in joules. The conversion factor for switching between ATP and work is given in kilojoules. The units must match to correctly perform the conversion.
The last step is to convert work, calculated in joules, into moles of ATP being broken required to do the work. If we assume standard temperature and pressure, the breakdown of a mole of ATP releases 29 kilojoules available to do work.
How many moles of ATP is Dr. Farrhad breakdown to get to work? Report your answer to one decimal place.
Dr. Fahrrad breaks down 0.23 moles of ATP to get to work.
The first step is to calculate the work done by Dr. Fahrrad on his bike ride. We can use the following equation:
W = F * d
where:
W is the work done in joules
F is the force in newtons
d is the distance in meters
The force is equal to the mass of Dr. Fahrrad times his acceleration. We can convert the acceleration from kilometers per second squared to meters per second squared by multiplying by 1000/3600. This gives us a force of 102.8 newtons.
The distance of Dr. Fahrrad's bike ride is 4.6 kilometers, which is equal to 4600 meters.
Plugging these values into the equation for work, we get:
W = 102.8 N * 4600 m = 472320 J
The breakdown of a mole of ATP releases 29 kilojoules of energy. So, the number of moles of ATP that Dr. Fahrrad breaks down is:
472320 J / 29 kJ/mol = 162.6 mol
To one decimal place, this is 0.23 moles of ATP.
Here are the assumptions that we made in this calculation:
No friction
No mass of the bike
A flat ride with no change in altitude
These assumptions are not always realistic, but they are a good starting point for this calculation. In reality, Dr. Fahrrad would probably break down slightly more than 0.23 moles of ATP to get to work.
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Find the average quarterly loads for the rest of the years.
Find the quarterly seasonal indices by dividing the actual quarterly loads by the average quarterly loads for a year. For example, for Quarter 1, Year 1, the seasonal index is
To find the average quarterly loads for the rest of the years, you can use the formula below:
Average Quarterly Load = Total Annual Load 4 For example, let's say the total annual load for Year 1 is 800.
To find the average quarterly loads for Year 1, we would divide 800 by 4 to get an average quarterly load of 200. Then, you can use this average quarterly load to find the seasonal indices for each quarter of each year.To find the seasonal index for a given quarter and year, you would divide the actual quarterly load by the average quarterly load for that year.
For example, let's say the actual load for Quarter 1, Year 1 is 240. To find the seasonal index for this quarter and year, we would divide 240 by 200 to get a seasonal index of 1.2. You would repeat this process for each quarter and year to find the seasonal indices for all quarters and years.
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Solve the inequality. Graph the solution.
3x≤−5/4
The solution is
The resultant answer to the given inequality is x ≤ -5/12 and the graph of the answer is shown.
What is inequality?An inequality in mathematics is a relation that compares two numbers or other mathematical expressions in an unequal way. The majority of the time, size comparisons between two numbers on the number line are made.Use the following steps to solve an inequality: Step 1 Eliminate fractions by multiplying all terms by the fractions' lowest common denominator. Step 2 Combine like terms on both sides of the inequality to simplify. Step 3 Obtain the unknown on one side and the integers on the other by adding or subtracting quantities.So, solve the inequality as:
3x ≤ −5/4x ≤ −5/4-3x ≤ -5/4 × 1/3x ≤ -5/12Now, plot x ≤ -5/12 on the graph as follows:
(Refer to the graph attached below)Therefore, the resultant answer to the given inequality is x ≤ -5/12 and the graph of the answer is shown.
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the sum of two numbers is 30. the
difference between the two numbers is four. what are the two numbers?
Answer:
the numbers are 13 and 17
Step-by-step explanation:
let the first number be a
let the second number be b
a+b=30.......a=30-b
a-b=4
substitute the first eq into the second one
30-b-b=4
30-2b=4
30-4=2b
26=2b
13=b
a=30-b
a=30-13
a=17
Given f(2) = 1093 (92) and g(2) = 30 . Find and simplify (fog) (2)
Refer to image
Given \( f(x)=\log _{3}(9 x) \) and \( g(x)=3^{x} \). Find and simplify \( (f o g)(x) \) \( 2 x \) \( 27^{x} \) \( 2+x \) None of these.
The simplified expression for (f ∘ g)(x) is 2 + x (option d).
To find and simplify (f ∘ g)(x), we need to substitute the expression for g(x) into f(x) and simplify.
Given:
f(x) = log₃(9x)
g(x) = \(3^x\)
Substituting g(x) into f(x):
(f ∘ g)(x) = f(g(x)) = log₃\((9 * 3^x)\)
Now, we simplify the expression:
log₃\((9 * 3^x)\) = log₃(9) + log₃\((3^x)\)
Since logₓ(a * b) = logₓ(a) + logₓ(b), we have:
log₃(9) + log₃\((3^x)\) = log₃\((3^2)\) + x
Using the property logₓ\((x^a)\) = a * logₓ(x), we get:
log₃\((3^2)\) + x = 2 * log₃(3) + x
Since logₓ\((x^a)\) = a, where x is the base, we have:
2 * log₃(3) + x = 2 + x
Therefore, (f ∘ g)(x) simplifies to:
(f ∘ g)(x) = 2 + x
So, the correct answer is (d) 2 + x.
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Complete Question:
Given f(x)=log₃(9x) and g(x)=\(3^x\). Find and simplify (f ∘ g)(x)
(a) 2x
(b) x
(c) \(27^x\)
(d) 2+x
(e) None of these.
ill mark brainllest if right
Answer:
I think it is D
Step-by-step explanation:
If you divide 6 x 10^-2 by 2 x 10^-8 you get 3x10^-10 and then you make it into a whole number.
Answer:
6x10-2 is 46 times as large as 2x10-8
Step-by-step explanation:
1) Solve for 6x10-2 ( PEMDAS)
6x10=60
60-2=58
2) Solve for 2x10-8 (PEMDAS)
2x10=20
20-8=12
3) Subtract
58-12=46
6x10-2 is 46 times as large
up
A water tap is leaking at the rate of 25 mL every 20 seconds. How many litres of
water are wasted each day?
[3 marks]
Answer: 108 liters
Step-by-step explanation: There are 86,400 seconds in a 24-hour day. If 25 mL leak every 20 seconds, divide 86,400 by 20 (4,320), then multiply by 25 (108,000). There is 1,000 mL for every liter, so divide 108,000 by 1,000, and you will get 108 liters.
the weights of oranges growing in an orchard are normally distributed with a mean weight of 8 oz. and a standard deviation of 2 oz. from a batch of 1400 oranges, how many would be expected to weigh more than 4 oz. to the nearest whole number? 1) 970 2) 32 3) 1368 4) 1295
The number of oranges that are expected to weigh more than 4 oz is:
1400 - (1400 × 0.0228)≈ 1368.
The mean weight of the oranges growing in an orchard is 8 oz and standard deviation is 2 oz, the distribution of the weight of oranges can be represented as normal distribution.
From the batch of 1400 oranges, the number of oranges is expected to weigh more than 4 oz can be found using the formula for the Z-score of a given data point.
\(z = (x - μ) / σ\)
Wherez is the Z-score of the given data point x is the data point
μ is the mean weight of the oranges
σ is the standard deviation
Now, let's plug in the given values.
\(z = (4 - 8) / 2= -2\)
The area under the standard normal distribution curve to the left of a Z-score of -2 can be found using the standard normal distribution table. It is 0.0228. This means that 0.0228 of the oranges in the batch are expected to weigh less than 4 oz.
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Someone help me pls!!!!!!
Answer:B
Step-by-step explanation:
What are the zeros of the polynomial function x² + 5x + 6 a. x = -2, -6 b. x = 3,5 c. x = -2, -3 d. x = -1, 6 e. x = -5, 6
The zeros of the polynomial function x² + 5x + 6 can be found by solving the equation x² + 5x + 6 = 0. The correct zeros of the polynomial can be determined by factoring or using the quadratic formula.
To find the zeros of the polynomial function x² + 5x + 6, we need to solve the equation x² + 5x + 6 = 0. We can try to factor the quadratic expression or use the quadratic formula to find the roots.
Factoring method:
We are looking for two numbers that multiply to give 6 and add up to 5. By factoring, we find that (x + 2)(x + 3) = 0. Setting each factor equal to zero:
x + 2 = 0, x + 3 = 0
Solving these equations, we find the zeros:
x = -2, x = -3
Therefore, the zeros of the polynomial function x² + 5x + 6 are x = -2 and x = -3. Comparing these zeros to the given options, we can see that the correct answer is c. x = -2, -3.
Using the quadratic formula:
The quadratic formula is x = (-b ± √(b² - 4ac)) / (2a), where a, b, and c are the coefficients of the quadratic equation ax² + bx + c = 0.
For the equation x² + 5x + 6 = 0, we have a = 1, b = 5, and c = 6. Substituting these values into the quadratic formula:
x = (-5 ± √(5² - 4(1)(6))) / (2(1))
= (-5 ± √(25 - 24)) / 2
= (-5 ± √1) / 2
= (-5 ± 1) / 2
Simplifying further, we get the same zeros as before:
x₁ = (-5 + 1) / 2 = -4 / 2 = -2
x₂ = (-5 - 1) / 2 = -6 / 2 = -3
Therefore, using either factoring or the quadratic formula, we find that the zeros of the polynomial function x² + 5x + 6 are x = -2 and x = -3. The correct answer is c. x = -2, -3.
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just look at the picture
Answer:
What is the question??
Step-by-step explanation:
Given the sequence 3 and one third, 3 and one fourth, 3 and one fifth, and continues comma what is f (n)?
Check the picture below.
The four-digit numeral $3AA1$ is divisible by $9$. What digit does $A$ represent?
When a four-digit number is divisible by nine and is written as 3AA1, the digit A stands for 7.
Properties of 9-divisible numbersA number is itself divisible by nine if the total of its digits is also nine digits.
Multiples in mathematics are the outcomes of multiplying an integer by a certain number. a multiple of 9 is a number that divides by nine.
By utilizing the aforementioned attribute, we can
3 + A +A +1 = 9, OR 18, OR 27
4 + 2A = 9, OR 18, OR 27
using 18
2A = 18 - 4
2A = 14
A = 7
therefore we can say that the number is 3771
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26 beats in 1/6 minutes equals what beats per minute
Answer:
156
Step-by-step explanation:
Answer:
156
Step-by-step explanation:
26 for every 1/6
So we multiply 26 times 6 to get the full minute
The solution of a certain differential equation is of the form [y(t) = a exp(3 t) + b exp(4 t)] where (a) and (b) are constants.
The solution has initial conditions (y(0) = 5) and (y'(0) = 5 )
Find the solution by using the initial conditions to get linear equations for (a) and (b)
Solution to the given differential equation with the provided initial conditions is: y(t) = 15 * exp(3t) - 10 * exp(4t)
To find the values of constants 'a' and 'b' in the given differential equation solution, we can use the initial conditions to form a system of linear equations.
Given solution: y(t) = a * exp(3t) + b * exp(4t)
We have two initial conditions:
1. y(0) = 5
2. y'(0) = 5
Let's start by using the first initial condition, y(0) = 5:
Substituting t = 0 into the solution equation:
y(0) = a * exp(3 * 0) + b * exp(4 * 0)
5 = a * 1 + b * 1
5 = a + b ---(Equation 1)
Now, let's differentiate the solution equation with respect to t to find y'(t):
y'(t) = 3a * exp(3t) + 4b * exp(4t)
Next, we use the second initial condition, y'(0) = 5:
Substituting t = 0 into the differentiated equation:
y'(0) = 3a * exp(3 * 0) + 4b * exp(4 * 0)
5 = 3a * 1 + 4b * 1
5 = 3a + 4b ---(Equation 2)
So now we have a system of linear equations:
Equation 1: 5 = a + b
Equation 2: 5 = 3a + 4b
We can solve this system of equations to find the values of 'a' and 'b'.
Subtracting Equation 1 from Equation 2:
(5 - 3a - 4b) - (5 - a - b)
2a + 3b = 0
Now, we can solve this linear equation for 'a' in terms of 'b':
2a = -3b
a = (-3/2)b
Substituting this value of 'a' into Equation 1:
5 = (-3/2)b + b
5 = (-1/2)b
b = -10
Substituting the value of 'b' back into Equation 1:
5 = a + (-10)
5 = a - 10
a = 15
Therefore, the values of 'a' and 'b' are:
a = 15
b = -10
The solution to the given differential equation with the provided initial conditions is:
y(t) = 15 * exp(3t) - 10 * exp(4t)
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Describe the transformation of f(x) = x2 represented by g(x)=(x-1)2 + 3, then graph the function
shift right ?______
Shift left ?______
Stretch factor?_____
The transformation has a horizontal shift right by 1 units and vertical shift upwards by 3 units. The graph is shown below.
What do you mean by transformation of a graph ?
The modification of an existing graph or graphed equation to create a different version of the following graph is known as transformation.
The functions given are :
f(x) = x²
and
g(x) = (x - 1)² + 3
Now , we know that , the horizontal shift depends on the value of h. The horizontal shift is described as:
g(x) = f (x + h)
Then , the graph is shifted to left by h units.
and
g(x) = f (x - h)
Then , the graph is shifted to right by h units.
If we compare f(x) with g(x) , their is a difference of -1 , it meant shift is right by 1 units.
Now , we know that , the vertical shift depends on the value of k. The vertical shift is described as:
g(x) = f(x) + k
Then , the graph is shifted up by k units.
and
g(x) = f(x) - k
Then , the graph is shifted down by k units.
Here , if we compare f(x) with g(x) there is addition of 3 in g(x) , this meant the graph is shifted upward by 3 units.
The graph of the function is attached below. Here , both of the functions are graphed.
Therefore , the transformation has a horizontal shift right by 1 units and vertical shift upwards by 3 units. The graph is shown below.
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PLEASE HELP 25 POINTS PLUS BRAINLIEST
The missing length of the triangle using Pythagoras theorem is; x = 3
How to use Pythagoras Theorem?Pythagoras Theorem is defined as the way in which you can find the missing length of a right angled triangle. The right angle triangle has three sides, the hypotenuse (which is always the longest), Opposite (which doesn't touch the hypotenuse) and the adjacent (which is between the opposite and the hypotenuse).
The formula to find the sides is;
hypotenuse² = opposite + adjacent²
We are given;
Hypotenuse = 5
Opposite = x
adjacent = 4
Thus;
5² = x² + 4²
x² = 5² - 4²
x² = 25 - 16
x = √9
x = 3
We conclude that it is the missing length of the triangle
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Help me please I’ll give you brainliest
Answer:
B) 7 2/3, √3/2, 4/5, -2π, -6.5
Step-by-step explanation:
B) 7 2/3, √3/2, 4/5, -2π, -6.5
What is the solution to the system of equations shown below?
6x – 3y = -9
3(2x - y) = 9
А
(-1, 1)
B
(1, -1)
с
no solution
D
infinitely many solutions
Solve for x. Show your work.
4^5x-4 = 64^2x+12
Subtract 2x 2 x from 6x 6 x . Divide each term in 4x=2 4 x = 2 by 4 4 and simplify.
Answer:
-22
Step-by-step explanation:
4^5x-4 = 64^2x+12, which is, 4^3(2x+12)
So, 5x-4 = 3(2x + 12)
or 5x - 4 = 6x + 18
x = -22
The width of a rectangle measures (4v+3w) centimeters, and its length measures (6v−6w) centimeters. Which expression represents the perimeter, in centimeters, of the rectangle?
The expression that represent the perimeter of the rectangle is 20v - 6w
How to find the perimeter of a rectangle?The perimeter of a rectangle is the sum of the whole side of the rectangle.
Therefore,
perimeter of a rectangle = 2l + 2w
where
l = lengthw = widthHence,
l = 6v - 6w
w = 4v + 3w
perimeter of a rectangle = 2(6v - 6w) + 2(4v + 3w)
perimeter of a rectangle = 12v - 12w + 8v + 6w
combine like terms
perimeter of a rectangle = 12v + 8v - 12w + 6w
perimeter of a rectangle = 20v - 6w
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Calculate the mean value of the radius (r) at which you would find the electron if the H atom wave function is 100(r).
The mean value of the radius (r) at which you would find the electron, given the H atom wave function is 100(r), is 0.
The wave function of an electron in the hydrogen atom, denoted by Ψ, describes the probability distribution of finding the electron at different positions around the nucleus. In this case, the given wave function is 100(r), where r represents the radius.
To calculate the mean value of the radius, we need to evaluate the integral of r multiplied by the absolute square of the wave function, integrated over all possible values of r. However, the wave function 100(r) does not provide a valid description of the hydrogen atom's electron distribution. The wave function should be normalized, meaning that the integral of the absolute square of the wave function over all space should equal 1. In this case, the given wave function lacks normalization.
Since the wave function is not properly normalized, we cannot accurately calculate the mean value of the radius. Without normalization, the probability distribution described by the wave function does not provide meaningful information about the electron's position.
In summary, based on the given wave function, the mean value of the radius cannot be determined without proper normalization of the wave function. A properly normalized wave function is necessary to obtain accurate information about the electron's position.
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HELP FIND THE AVERAGE RATE OF CHANGE
Answer:
(a): 26.1
(b): 27.9
Please see below for the steps.
Step-by-step explanation:
(a):
Use points (0,0) and (3, 78.3)
Use slope formula. The slope formula is also used to find average rate of change (just so you know).
y2-y1/x2-x1
78.3-0/3-0=78.3/3=26.1
Answer for (a) is 26.1
(b):
Use points (4, 147.6) and (9, 287.1)
Use slope formula.
y2-y1/x2-x1
287.1-147.6/9-4=139.5/5=27.9
The answer for (b) is 27.9
Hope this helps!
Please mark as brainliest if correct!
Have a great day!
A fruit company recently released a new applesauce. By the end of its first year, profits on this product amounted to $37,000. The anticipated profit for the end of the fourth year is $68,200. After the first year, the ratio of change in time to change in profit is constant. Let x be years and P be profit in dollars. a. Write a linear function P(x) that expresses profit as a function of time. P(x)=
Answer:
P(x) = 35,900 + 2,800(x-1)
Step-by-step explanation:
P(x)
P(1) = $35,900
P(4) = $44,300
Difference in profits
P(4) - P(1)
= P(3)
= $44,300 - $35,900
= $8,400
Rate of change per year = $8,400 / 3
= $2,800 per year
The linear equation
P(x) = 35,900 + 2,800(x-1)
Where
x = number of years
3.6 as a mixed number and improper fraction
Answer:
Step-by-step explanation:
The mixed number for 3.6 is 3 6/10.
What is a Mixed Fraction?
Improper fractions and mixed numbers have the same value but are written differently. Whole numbers are displayed separately from fractions in mixed numbers. The numerator is larger than the denominator and complete numbers are not displayed separately in improper fractions.
Given:
We have to write 3.6 into a mixed number
So, the decimal 3.6 into a fraction
= 3.6
= 36/10
Then, the division is
10 | 36| 3
30
_____
6
So, the mixed number is 3 6/10.
Solve the system of equation
y=4x-3
Y=-2x+9
What is the range of the following graph? Please don’t put down any links.
Answer:
[-4, infinity)
Step-by-step explanation:
The range is all the y values. The minimum is -4, and the maximum is infinity because there are arrows pointing upwards.
a characteristic, usually a numerical value, which describes a sample is called a _______. a. parameter b. statistic C. constant d. variable
Answer: B. statistic
Step-by-step explanation: A characteristic, usually a numerical value, which describes a sample, is called a statistic.
It is not that hard im just a little lazy <3
whoever answers it right next gets brainliest