Answer:
Step-by-step explanation:
64 = 4*4*4 = 4³
\(x^{9}= x^{3*3}=(x^{3})^{3} \\\\\\64x^{9}=4^{3}*(x^{3})^{3} = (4x^{3})^{3}\)
Answer:
the answer is=8x^4.5, 4x^3
evaluate the function at each specified
value of the independent variable and simplify
Answer:
Evaluating the function is just replacing the "x" (or the "t" in the second case) by the value that we want:
1) q(x) = 1/(x^2 - 9)
a) q(0) = 1/(0^2 - 9) = 1/(-9) = - 1/9
b) q(3) = 1/(3^2 - 9) = 1/(9 - 9) = 1/0 = indetermined, we could think this as:
\(\lim_{x \to \ 3} q(x) = infinity\)
c) q(y + 3) = 1/( (y + 3)^2 - 9) = 1/(y^2 + 6*y + 9 - 9) = 1/(y^2 + 6*y)
2) q(t) = (2*t^2 + 3)/t^2
a) q(2) = (2*2^2 + 3)/2^2 = (2*4 + 3)/4 = 11/4
b) q(0) = (2*0^2 + 3)/0^2 = 3/0
Again, we can not divide by zero, this is simmilar to the case 1.b
c) q(-x) = (2*(-x)^2 + 3)/(-x)^2 = (2*x^2 + 3)/x^2
How to calculate a rate or unit rate?
To calculate a rate, divide two quantities with different units; to calculate a unit rate, divide a rate by the quantity being measured.
What is rate ?
In mathematics, a rate is a ratio that compares two quantities with different units. It is typically expressed as the amount of change of one quantity with respect to another quantity. Rates are often used in the context of describing how quickly or slowly something changes over time or space.
To calculate a rate, we need to divide two quantities that have different units. For example, if we want to find the rate of a car's speed, we divide the distance traveled (in miles) by the time taken to travel that distance (in hours).
The formula for rate is:
rate = quantity / time
To calculate a unit rate, we need to divide a rate by the quantity being measured. For example, if the rate is the number of miles traveled per hour, the unit rate would be the number of miles traveled in one hour. To find the unit rate, we divide the rate by 1 hour.
The formula for unit rate is:
unit rate = rate / 1
When calculating rates or unit rates, it is important to make sure that the units of the quantities being divided are consistent. If the units are not the same, we need to convert them to the same unit before performing the division.
Therefore, to calculate a rate, divide two quantities with different units; to calculate a unit rate, divide a rate by the quantity being measured.
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I know it’s a lot but I’m pretty stupid and could use help online class ain’t easy when you’re internet sucks thanks!
Problem 5
There are 2 answers and they are choice B and choice C
We can tell by looking at the factors. For something like choice B, the factor (x+6) shows up twice, so that means x = -6 is a double root. Something like choice A has roots x = -6 and x = 6 which aren't the same.
========================================
Problem 6
Ted is correct. He set each factor equal to 0 and solved each equation that resulted from doing so.
Note how 3x-2 = 0 turns into 3x = 2 after adding 2 to both sides. Then he divided both sides by 3 to get x = 2/3. That's the first solution. The second solution x = -5 results from solving x+5 = 0. You subtract 5 from both sides.
To fix Maggie's mistake, you just need to correct her steps to mirror Ted's steps.
need help pls!!!!!!!!!!
Answer: 4 side faces and one base faces I believe im sorry times a 100 if its wrong
Step-by-step explanation:
Today, Andrew borrowed R200 000 from a bank. The bank charges interest at 5.25%p.a, a compounded quarterly. Andrew will make make payments of R6 000 at the end of 3 months. His first repayment will be made 3 months from now, how long in years will it take for Andrew to settle the loan
In order to calculate the time it will take for Andrew to settle the loan, we can use the formula for compound interest. So, it will take Andrew approximately 5.22 years to settle the loan.
The formula is given as A = P(1 + r/n)^(nt), Where: A = the final amount, P = the principal (initial amount borrowed), R = the annual interest rate, N = the number of times the interest is compounded in a year, T = the time in years.
We know that Andrew borrowed R200 000 from a bank at an annual interest rate of 5.25% compounded quarterly and that he will make repayments of R6 000 at the end of every 3 months.
Since the first repayment will be made 3 months from now, we can consider that the initial loan repayment is made at time t = 0. This means that we need to calculate the value of t when the total amount repaid is equal to the initial amount borrowed.
Using the formula for compound interest: A = P(1 + r/n)^(nt), We can calculate the quarterly interest rate:r = (5.25/100)/4 = 0.013125We also know that the quarterly repayment amount is R6 000, so the amount borrowed minus the first repayment is the present value of the loan: P = R200 000 - R6 000 = R194 000
We can now substitute these values into the formula and solve for t: R194 000(1 + 0.013125/4)^(4t) = R200 000(1 + 0.013125/4)^(4t-1) + R6 000(1 + 0.013125/4)^(4t-2) + R6 000(1 + 0.013125/4)^(4t-3) + R6 000(1 + 0.013125/4)^(4t)
Rearranging the terms gives us: R194 000(1 + 0.013125/4)^(4t) - R6 000(1 + 0.013125/4)^(4t-1) - R6 000(1 + 0.013125/4)^(4t-2) - R6 000(1 + 0.013125/4)^(4t-3) - R200 000(1 + 0.013125/4)^(4t) = 0
Using trial and error, we can solve this equation to find that t = 5.22 years (rounded to 2 decimal places). Therefore, it will take Andrew approximately 5.22 years to settle the loan.
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How do you evaluate a function at a given value of x, such as f(2) if f(x) = 3x - 5?
Answer:
f (2) = 1
Step-by-step explanation:
In order to evaluate a function at a given value of x, first write down the given function, which is:f(x) = 3x - 5Next, plug the value of x (x = 2) in the above function and simply it as given below.f(2) = 3(2) - 5-> f(2) = 6 - 5-> f(2) = 1This is the way to evaluate a function at a given value of x.
solve 6x-9=51-4x please
Answer:
x = 6
Step-by-step explanation:
6x-9=51-4x
10x - 9 = 51
10x = 60
x = 6
Let's check
6(6) -9 = 51 -4(6)
36 - 9 = 51 - 24
27 = 27
So, x = 6 is the correct answer.
i need help answering this question as soon as possible. i don’t understand it
Answer:
B)
Step-by-step explanation:
Given f(x) = ( 7 - 8x )²
let f(x) be y,
y = ( 7 - 8x )² .............to find inverse we have to make x the subject.
±√y = 7 - 8x
-8x = √y - 7
x = (±√y - 7 ) / -8
Then,
Inverse of ( 7 - 8x )² is \(-\frac{\sqrt{x}-7}{8},\:-\frac{-\sqrt{x}-7}{8}\) and is a function.
Determine whether the distribution represents a probability distribution. X 3 6 0.3 0.4 P(X) Oa. Yes b. No 9 0.3 0.1
The distribution does not represent a probability distribution. The correct option is b.
A probability distribution should satisfy two main conditions: (1) the sum of the probabilities for all possible outcomes should be equal to 1, and (2) the probabilities for each outcome should be between 0 and 1 (inclusive).
In this distribution, the probabilities for the outcomes are 0.3, 0.4, 0.3, and 0.1 for the values of X as 3, 6, 9, and 0, respectively. However, the sum of these probabilities is 1.1, which violates the first condition of a probability distribution.
Therefore, this distribution does not meet the requirements of a probability distribution and is not a valid probability distribution. The correct answer is option b.
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Question 1 -of 15 Step 1 of 3No Time LimitSolve the system of two linear inequalities graphically.{ x < 4x= -2Step 1 of 3: Graph the solution set of the first linear inequality,Answer 2 Points5 KeypadKeyboard ShortcutsThe line will be drawn once all required data is provided and will update whenever avalue is updated. The regions will be added once the line is drawn.Choose the type of boundary line:Dashed -O Solid (-) O
In this case, we'll have to carry out several steps to find the solution.
Step 01:
Data:
x < 4
x ≥ - 2
Step 02:
system of linear inequalities:
x < 4:
x = 4 ===> vertical line
x ≥ - 2:
x = - 2 ===> vertical line
graph:
The answer is:
Unbounded
Barbara has $70. 00 in her pocket and a $20 gift card. Which purchase will she be able to make without having to use her credit card? a portable radio for $65. 95 and speakers for $29. 99 five books for $18. 95 each headphones for $25. 99 and eight CDs for 8. 99 each six puzzles for $11. 99 each and a board game for $15. 89.
The other options exceed her available funds even with the gift card, so they would require using her credit card.
Barbara will be able to purchase the headphones for $25.99 without having to use her credit card. The total cost of the portable radio and speakers is $95.94, which is more than the $70.00 and $20 gift card she has. The total cost of five books is $94.75, which is also more than what she has. The total cost of eight CDs is $71.92, which is less than what she has but still more than the $20 gift card. Lastly, the total cost of six puzzles and a board game is $91.83, which is more than what she has. Therefore, the only purchase she can make without using her credit card is the headphones.
Barbara can purchase the headphones for $25.99 and eight CDs for $8.99 each without using her credit card. She has a total of $90 ($70 cash + $20 gift card). The cost of the headphones and CDs is $25.99 + (8 x $8.99) = $25.99 + $71.92 = $97.91. With the $20 gift card, she can cover the extra $7.91 beyond her cash. The other options exceed her available funds even with the gift card, so they would require using her credit card.
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Find the arc length
Answer:
5π
Step-by-step explanation:
Arc length = 1/4 * circumference
Circumference = 2*pi*r = 2*pi*10 = 20pi
Arc length = 1/4 * 20pi = 5pi
Water and orange squash is mixed in the ratio 11 : 2 Find how much water is needed to dilute 240 cl of orange squash
Answer: 1,320 cl
Step-by-step explanation:
Water and orange squash are mixed in the ratio 11 : 2.
This means that at their simplest if using cl, it would take 11cl of water and 2 cl of orange squash for a proper dilution.
If 240 cl of orange sqaush is used and you need to find the amount of water, use direct proportion with x as water.
11 : 2
x : 240
Cross-multiply:
2x = 11 * 240
x = 2,640 / 2
= 1,320 cl
simplify the equations below
Answer:
Problem 1: 1/64x^8
Problem 2: y^8/9x^2
Step-by-step explanation:
In the first problem, you first need to multiply the -2 exponent to everything in the parenthesis. This is equal to 1/64x^4*-2, simplified to be 1/64x^-8. Finally you simplify the x to 1/64x^8.
For the second problem, you do the same in the first one, getting x^-2/9y^4*-2. This can be simplified to be 3x^-2/y^-8. Finally you make sure there is no negative exponents, so you do y^8/9x^2.
Answer:
1/64x^8 and y^8/9x^2
Step-by-step explanation:
hope this helps have a good night :)
on any given day, the number of users, u, that access a certain website can be represented by the inequality |125-4|<=30. which of the following represents the range of users that access the website each day? - u>=95 or u<=155 - 95>=u>=155 - u<=95 or u>=155 - 95<=u<=155
There is no correct option given, but 23.75 <= u <= 38.75 is closest to the given option "95<=u<=155".
To solve the inequality |125 - 4u| <= 30, let's consider two cases:
Case 1: 125 - 4u >= 0, meaning that (125 - 4u) is positive or zero. In this case, we can rewrite the inequality as:
125 - 4u <= 30
Now, solve for u:
-4u <= 30 - 125
-4u <= -95
u >= 23.75
Case 2: 125 - 4u < 0, meaning that (125 - 4u) is negative. In this case, we can rewrite the inequality as:
-(125 - 4u) <= 30
Now, solve for u:
4u - 125 <= 30
4u <= 155
u <= 38.75
Combining the results from both cases, we get the range of users as 23.75 <= u <= 38.75. This is closest to the given option "95<=u<=155", but the correct range is actually 23.75<=u<=38.75.
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Shawn rents an apartment in an all-brick building located in a historic,
downtown neighborhood. The value of the belongings in the apartment is
about $25,000. If Shawn wishes to insure his belongings while renting, how
much will he have to pay for insurance per year?
Answer: 107.50
Step-by-step explanation:
RCV is more expensive compared to ACV, therefore, Shawn would have to pay more to insure his belongings with RCV coverage.
As Shawn rents an apartment in an all-brick building located in a historic, downtown neighborhood and the value of the belongings in the apartment is about $25,000, he will have to pay around $125 to $375 per year to insure his belongings while renting depending on the type of coverage he chooses.
A renter’s insurance policy can protect the belongings of renters who live in an apartment or house they rent and covers their liability towards others in case they get injured. For this reason, the cost of renter’s insurance will vary depending on the type of coverage needed. If Shawn wants more coverage, then he will pay a higher rate. There are two types of coverage which include actual cash value (ACV) and replacement cost value (RCV).
ACV is a coverage that pays for the value of the belongings, minus the depreciation. Whereas, RCV is a coverage that pays for the cost of replacing the belongings, regardless of their current value.
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(x+y+2)÷3x is? please heeelp
Answer:
x+y+2/3
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
HOPE IT HELPS
Manny has 48 feet of wood. He wants to use all of it to create a border around a garden. The equation 2 l plus 2 w equals 48 can be used to find the length and width of the garden, where l is the length and w is the width of the garden. If Manny makes the garden 15 feet long, how wide should the garden be?
Answer:
9 feet
Step-by-step explanation:
Answer:
The Width of the garden will be 9 feet.
Step-by-step explanation:
Given:
Manny has wood =48 feet
Length of the garden = 15 feet
The equation which can be used. (2l + 2w) = 48
We need to find the width of the garden.
Solution :
Now Length of the garden is given we will substitute in the given equation to find the width.
(2l + 2w) = 48
2 x 15 + 2w = 48
30 + 2w = 48
Now Using Subtraction property we will subtract both side by 30 we get;
30 + 2w -30 = 48 -30
2w = 18
Now Using Division Property we will divide both side by 2 we get;
2w = 18
/2
w = 9
Answer:
Answer is A: 9 feet
For his long distance phone service, Boris pays a $7 monthly fee plus 7 cents per minute. Last month, Boris's long distance bill was $17.45
For how many minutes was Boris billed?
I minutes
?
Answer is : 149 minutes
Answer:
149 minutes
Step-by-step explanation
How do I find the domain and range of a function?
The domain of the function y = 2 - √(-3x+2) is (-∞ , 2/3] and the range of the function is (-∞ , 2] .
In the question ,
it is given that , the function is ⇒ y = 2- √(-3x+2) .
For Domain ,
we know that the square root function is defined only when the number inside the root is non negative .
that means ,
-3x \(+\) 2 ≥ 0
Subtracting 2 from both the sides ,
we get ,
-3x ≥ -2
x ≤ 2/3
the Domain is (-∞ , 2/3] .
For range , we know that the root function value in always non negative .
√(-3x + 2) ≥ 0
Multiply by -1 on both sides
we get ,
-√(-3x + 2) ≤ 0
Adding 2 to both the sides
2 - √(-3x + 2) ≤ 2
y ≤ 2
the range is (-∞ , 2] .
Therefore , the domain is (-∞ , 2/3] and the range is (-∞ , 2] .
How do we find the domain and range of the function y = 2- √(-3x+2) ?
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solve for x for both of these plssss i need help
Answer:
top one is -7
bottom one is -3
Step-by-step explanation:
28 cookies out of 40 cookies are chocolate chip. What percent of the cookies are chocolate chip?
Please help me solve this.
Answer:
I’m pretty sure the answer would be 64%
Answer:
70%
Step-by-step explanation:
Find a number you can multiply 40 by, and find a number you can multiply 100 by to equal the same number.
what is the value of 6^3
Answer:
\(6 \times 6 \times 6 = 216 \\ = 216\)
Answer:
216 Value
6 times 6 times 6 =216
PLS HELP I WILL GIVE BRIANLY!
Francine bought 3 skirts that cost $2500 each before the discount. What was her total after
the discount?
if x=5, y=-3, and z=-7 z=-7, evaluate 3x^2-9y/yz
HAPPY NEW YEAR EVERYONE. HERE IS TODAY'S OPTIONAL CHALLENGE
What is 1567238932 * 1456788345
Try to do this on paper and not with a calculator.
This is optional and if you decide to do it, good luck.
Answer:
This is a bit complicated, but the answer would be 2.28831354(v)x10(^)18, or otherwise known as 2283135409967847400.
Step-by-step explanation:
Answer:
D A N G uh,
Step-by-step explanation:
i dont think any person can physically do that
proof i tried ;-;
C-14 has a half-life of 5730 years. The activity of a sample of wood recovered from an ancient burial site is 700 dph. This was compared to a similar piece of wood which has a current activity of 920 dph. What is the estimated age (yr) of the wood from the burial site? 700 4800 1700 3700 2300
The half-life of C-14 is 5730 years.
The activity of the wood sample from the ancient burial site is 700 dph, while a similar piece of wood has a current activity of 920 dph. We can use the concept of half-life to estimate the age of the wood from the burial site.
To do this, we need to determine the number of half-lives that have occurred for the difference in activities between the two samples.
The difference in activity is 920 dph - 700 dph = 220 dph.
Since the half-life of C-14 is 5730 years, we divide the difference in activities by the decrease in activity per half-life:
220 dph / (920 dph - 700 dph) = 220 dph / 220 dph = 1 half-life.
So, the estimated age of the wood from the burial site is equal to one half-life of C-14, which is 5730 years.
Therefore, the estimated age of the wood from the burial site is 5730 years.
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Choose the best estimate for the weight of a cantaloupe. Responses A 2 decigrams2 decigrams B 2 kilograms2 kilograms C 2 grams2 grams D 2 milligrams
The best estimate for the weight of a cantaloupe is 2 kilograms (B).
A decigram is 1/10th of a gram, which would be too small of weight for a cantaloupe. 2 grams (C) is also too small for a cantaloupe as it would only be the weight of a few small seeds. 2 milligrams (D) is an extremely small weight, only suitable for a single grain of salt or a tiny insect.
Therefore, 2 kilograms (B) is the most reasonable estimate for the weight of a cantaloupe as it falls within the typical range of cantaloupe weights.
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Complete Question:
Choose the best estimate for the weight of a cantaloupe. Responses
A 2 decigrams
B 2 kilograms
C 2 grams
D 2 milligrams
This graph shows a reciprocal parent function.
Which statement best describes the function
A. The function is always increasing
B. The function is increasing when x<0
C. The function is never increasing
D. The function is increasing when x>0
Answer:
C. The function is never increasingStep-by-step explanation:
According to the graph, the line goes down in both sections as the value of x increases. It means the function is always decreasing.
Correct answer choice is:
C. The function is never increasingThe best describes the function is,
''The function is never increasing.''
What is mean by Function?A relation between a set of inputs having one output each is called a function. and an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).
Given that;
This graph shows a reciprocal parent function.
Since, We have;
According to the graph, the line goes down in both sections as the value of x increases.
It means the function is always decreasing.
Hence, Correct answer choice is:
C. The function is never increasing.
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you can use the ____ operator to increment or decrement the value of an enumeration type.
In programming, the increment and decrement operations can be performed using the ++ and -- operators, respectively.
However, these operators cannot be directly applied to an enumeration type, as enumeration types represent a distinct set of named constants rather than numeric values. To achieve the desired outcome, you can use a typecast to convert the enumeration type to an underlying integral type, such as int, perform the increment or decrement operation, and then convert it back to the original enumeration type.
This way, you can modify the enumeration value while preserving the context and intent of the enumeration in your code.
For example, if you have an enumeration type named "DaysOfWeek", and you want to increment the value of a variable of this type, you can use the following code:
DaysOfWeek day = DaysOfWeek.Monday;
day = (DaysOfWeek)((int)day + 1);
This code first typecasts the enumeration value to an int, adds 1 to it, and then typecasts it back to the DaysOfWeek enumeration type. Similar code can be used for decrementing the value using the -- operator.
Keep in mind that this method may not always be ideal, as it can lead to invalid enumeration values if the new value does not correspond to a named constant in the enumeration. Always ensure that you are working within the valid range of values when using this approach.
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