Answer:
The eqaution y + 1 = -2 (x-1) in slope intercept form is
y = -2x - 3
Step-by-step explanation:
Write in slope-intercept form, y = mx + b
answer please have no idea how to start or do it just please show the workings aswell.
The evaluation of P10–Focus 1 indicates that we get by using the equation for the volume of a cuboid and by calculus;
(a) \(L = 4\times x + 4\times 2\cdot x + 4\times \frac{81}{2\cdot x} =12\cdot x + \frac{162}{x^2}\)
(b) \(L_{min}\) = 54 cm
(c) L'' at x = 3, (where \(L_{min}\) = 54 cm) is positive, therefore, x = 3 is a minimum point
P10-Focus2
The area = \(2\times x \times y+\frac{\pi\cdot x^2}{4} =4\), therefore, \(y = \frac{16- \pi \cdot x^2}{8 \cdot x}\)
The minimum point, which is an extremum point is a point where the derivative of the function is 0.
(a) The length of the cuboid = 2·x
The width of the cuboid = x
The volume of the cuboid = 81 cubic centimeters
The thickness of the cuboid is therefore;
Thickness = 81/(2·x × x) = 81/(2·x²)
The sum of the length of the twelve edges, L, is therefore;
\(L=x + x + x + x + x + 2\cdot x + 2 \cdot x + 2 \cdot x + 2\cdot x + \frac{81}{2 \cdot x^2} + \frac{81}{2 \cdot x^2} + \frac{81}{2 \cdot x^2} + \frac{81}{2 \cdot x^2}\)
Therefore;
\(L=4\times x + 4\times 2\cdot x + 4\times \frac{81}{2 \cdot x^2} =12\cdot x + \frac{162}{x^2}\)
The sum of the lengths of the twelve edges, L, is \(L = 12\cdot x + \frac{162}{x^2}\)
(b) The minimum value of L can be found using calculus by finding the point at which dL/dx = 0 as follows;
\(\frac{dL}{dx} = 12 - \frac{324}{x^3} =0\)
Therefore;
\(12-\frac{324}{x^3}=0\)
\(12 = \frac{324}{x^3}\)
x³ = 324 ÷ 12 = 27
x = ∛(27) = 3
x = 3
The minimum value of L can be obtained when x = 3 as follows;
\(L = 12\cdot x + \frac{162}{x^2}\)
\(L_{min} = 12\times 3 + \frac{162}{3^2} = 54\)
The \(L_{min}\) = 54
The minimum value of L is 54 centimeters
(c) The value of the minimum value of L can be confirmed by further differentiation using the second derivative, L'' as follows;
At the x-value of a minimum point of a function, the value of the further derivative is larger than zero
The further derivative of the specified function is found as follows;
\(L'' = \frac{dL'}{dx} =\frac{972}{x^4}\)
At the critical number, x = 3, from the first derivative, we get;
\(L'' = \frac{972}{3^4} = 12 > 0\)
The value of the further derivative of the function at the point x = 3, is L'' = 12 > 0, therefore the point x = 3 is a relative minimum.
(b) The radius of the quarter circle = x
The area of the figure = 4 m²
The sum of the area of the composite figures are;
\(A = 2 \times x \times y + \frac{\pi \cdot x^2}{4} = 4\)
Therefore;
\(y =\frac{\left(4 - \pi \cdot \frac{x^2}{4}\right)}{2\cdot x} = 16 - \frac{\pi \cdot x^2}{8\cdot x}\)
Rearranging the right hand side expression as a fraction, we get;
\(y = \frac{16-\pi \cdot x^2}{8\cdot x}\)
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During surgery a patient was given medication administered by an iv. for the first 150 minutes the medication was flowing at a rate of 14 ml/h and for the next 4 hours the rate was set at 30 ml/h. what is the average flow rate of the medication administered to the patient in millilitres per hour. round to the nearest whole number. input the unit symbol.
During surgery, the average flow rate of the medications administered to the patient is 23 milliliters per hour.
Flow rate, denoted by Q, is defined as the amount of volume V flowing after time t. The formula for flow rate is given by:
Q = V/t
where V is volume and t is time.
For the two medication administered, given the flow rate and time, solve for the volume of each, and its total volume.
V = Q/t
1 : V1 = Q1t1 = (14ml/h)(150 minutes)(1hour/60 minutes)
V1 = 35 ml
2 : V2 = Q2t2 = (30 ml/h)(4hrs)
V2 = 120 ml
Solving for the average flow rate by dividing the sum of the volume to the sum of the time.
Qave = (V1 + V2)/(t1 + t2)
Qave = (35 + 120)ml/(2.5 + 4)hrs
Qave = 23.84615385 ml/h
Rounding off to the nearest whole number.
Qave = 23 ml/h
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Please write the answers clearly so I can understand the
process.
\[ L_{1}=\left\{01^{a} 0^{a} 1 \mid a \geq 0\right\} \] where \( a \) is an integer and \( \Sigma=\{0,1\} \). Is \( L_{1} \in \) CFL? Circle the appropriate answer and justify your answer. YES or NO D
1) Yes L1 is context free language.
2) Yes L2 is context free language.
3) Yes L2 belongs to \(\sum0\) .
1. Yes L1 is context free language.
Because if a=2 then L1=011001 and when a=1 then L1=0101
When a=3 then L1=01110001
And there is a context free grammar to generate L1.
S=0A|1A|epsilon
A=1S|epsilon
2. Yes L2 is context free language.
Because there exists a context free grammar which can generate L2.
Because when a=2 L2=1101100100
And S=1A|0A|epsilon
And A=1S|0S|epsilon can derive L2.
3. Yes L2 belongs to \(\sum0\) because sigma nought is an empty string and when a=0 L2 will have empty string.
Because it's given that a ≥ 0.
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7. Which expression has a negativevalue?A (-4)(-7)C (4)(-7)B - 28 : -7D 28 : 7
Answer:
C. (4)(-7)
Explanation:
To determine the expression that has a negative value, take note of the following:
\(\begin{gathered} -\times-=+ \\ +\times-=- \\ -\div-=+ \end{gathered}\)Therefore, the expression with a negative value is:
\((4)(-7)=-28\)The correct choice is C.
Find an example that meets the given specifications. 3 × 3 nonzero matrices a and b such that ab = 033 a = 0 0 0 0 0 0 1 0 0
The example that meets the given specific conditions that 3 × 3 nonzero matrices and ab = 033 are a = \(\left[\begin{array}{ccc}0&0&0\\0&0&0\\1&0&0\end{array}\right]\) and b = \(\left[\begin{array}{ccc}0&1&1\\0&0&0\\0&0&0\end{array}\right]\).
To get such examples where matrix's configuration is 3 x 3 and the multiplication of the matrix is equal to zero, we need to take such values on a specific position so that the multiplication results in zero. We have been given certain conditions, which needs to be taken care of.
According to the question given, a and b are 3 × 3 nonzero matrices:
a = \(\left[\begin{array}{ccc}0&0&0\\0&0&0\\1&0&0\end{array}\right]\)
b = \(\left[\begin{array}{ccc}0&1&1\\0&0&0\\0&0&0\end{array}\right]\)
Now, multiplication of a and b results:
ab = \(\left[\begin{array}{ccc}0&0&0\\0&0&0\\1&0&0\end{array}\right] * \left[\begin{array}{ccc}0&1&1\\0&0&0\\0&0&0\end{array}\right]\)
ab = \(\left[\begin{array}{ccc}0*0 + 0*0 + 0*0& 0*1 + 0*0 + 0*0&0*1 + 0*0 + 0*0\\0*0 + 0*0 + 0*0&0*1 + 0*0 + 0*0&0*1 + 0*0 + 0*0\\0*0 + 0*0 + 1*0&0*1 + 0*0 + 0*0&0*1 + 0*0 + 1*0\end{array}\right]\)
ab = \(\left[\begin{array}{ccc}0&0&0\\0&0&0\\0&0&0\end{array}\right]\)
Therefore, the example that meets all the given specific conditions in the question are a = \(\left[\begin{array}{ccc}0&0&0\\0&0&0\\1&0&0\end{array}\right]\) and b = \(\left[\begin{array}{ccc}0&1&1\\0&0&0\\0&0&0\end{array}\right]\).
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convert 2 Bigha into kattha
Answer:
To convert 2 Bigha into Kattha:
If 1 Bigha = 20 Kattha:
2 Bigha = 2 * 20 Kattha = 40 Kattha
If 1 Bigha = 16 Kattha:
2 Bigha = 2 * 16 Kattha = 32 Kattha
If a given set of data has a variance of 64.58 and a sample size of 26, the the standard deviation is equivalent to
Standard deviation is a statistic that measures the dispersion of a dataset relative to its mean and is calculated as the square root of the variance.
Standard deviation = √ {(xi – x)^2 / (n-1)}
here (xi – x)^ 2 means variance and n is sample size .
so we can say
Standard deviation = √{ (variance / sample size – 1 )}
here variance is 64.58 and sample size is 26 is given.
So stand deviation = √{64.58 / (26-1)}
standard deviation =0.32144673
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the standard deviation will be 0.32144673 for the data having variance as 64.58 and sample size as 26.
Standard deviation is a statistic that measures the dispersion of a dataset relative to its mean and is calculated as the square root of the variance.
Standard deviation = √ {(xi – x)^2 / (n-1)}
here (xi – x)^ 2 means variance and n is sample size .
so we can say
Standard deviation = √{ (variance / sample size – 1 )}
here variance is 64.58 and sample size is 26 is given.
So standard deviation = √{64.58 / (26-1)}
standard deviation = 0.32144673
Therefore, the standard deviation will be 0.32144673 for the data having variance as 64.58 and sample size as 26.
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PLZZZ HELLPPP PLZZZZZZ ENIQUALITIS HELPPPPP MEEEEEEE I GOT NO MORE TIME HELPPPPPPPPPPPPPPPPPP NO EXPLINATION JUST HELLPP
Answer:
d≤−6
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Correct choice is C.
A bank randomly selects one of four free gifts to send to each new customer. Gifts include a calculator, a keychain, a notepad, and a pen. Design and use a simulation to find the experimental probability that the next two customers both receive calculators. Then use the simulation to find the experimental probability that neither of the next two customers receive calculators.
Answer:
Step-by-step explanation:
Both:
1/4 x 1/4
1/16
Neither:
3/4 x 3/4
9/16
Last year, 260 students went to the senior prom at M&T Bank Stadium. This year, the number of students who attended senior prom increased by 9%. How many students attend the senior prom at M&T Bank Stadium this year? Round you answer to the nearest whole number.
Answer:
283 people went this year to the stadium.
Step-by-step explanation:
Let's put this data into pieces so it's less overwhelming.
Last year 260 students went to the prom.
Currently the number of students who attended has increased by 9% from last year.
And the question is asking how many students attended this year?
Well, if this is increasing by 9%, wouldn't we just find 9% of 260 then add it to 260?
0.09 * 260 = 23.4
260 + 23.4 = 283.40. Obviously we can't have 40% of a human being, so let's round it to 283.
in exercises 13 and 14, find the area of the figure. write your answer in simplest form
Answer: If there is a picture for the assignment, could you upload it?
Step-by-step explanation:
Which expression is equivalent to 9–2? –81 –18 StartFraction 1 Over 81 EndFraction StartFraction 1 Over 18 EndFraction.
The expression 9⁻² is equivalent to the expression 1/81. Then the correct option is C.
What is an equivalent?The equivalent expression is the expression that is in different forms but is equal to the same value.
The expression is given as 9⁻².
The expression can be written in the form of a fraction. Then we have
\(\dfrac{1}{9^2}\)
We know that square of 9 is 81. Then we have
\(\dfrac{1}{81}\)
More about the equivalent link is given below.
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Answer:
C.
Step-by-step explanation:
when performing a hypothesis test on μ when σ is known, h0 can never be rejected if
When performing a hypothesis test on the population mean (μ) when the population standard deviation (σ) is known, the null hypothesis (H0) can never be rejected if the sample mean falls within the acceptance range determined by the chosen significance level and the critical values.
In hypothesis testing for the population mean when the population standard deviation is known, the null hypothesis (H0) represents the claim or assumption that the population mean is equal to a specific value. The alternative hypothesis (Ha) states that the population mean is not equal to the specific value.
To determine whether to reject or fail to reject the null hypothesis, we compare the sample mean to the expected value under the null hypothesis. If the sample mean falls within the acceptance range determined by the chosen significance level and the critical values, we do not have sufficient evidence to reject the null hypothesis. The acceptance range is defined by the margin of error around the expected value, and it indicates the range of values that can be considered reasonably close to the expected value.
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An arithmetic sequence has this recursive formula:
a1=9
an=an-1 -3
What is the explicit formula for this sequence?
A. an=9+(n-1)(-3)
B. an=-3+(n-1)9
C. an=9+(n-3)(-1)
D. an=-1+(n-9)(-3)
Answer:
The correct answer is:
Option A. a_n=9+(n-1)(-3)
Step-by-step explanation:
Given that
a1 = 9
\(a_n = a_{n-1}-3\)
We can see that in recursive formula the next term is being obtained by subtracting 3 from previous term
That means that the common difference is -3
We also know the first term
The general form of explicit formula for an arithmetic sequence is:
\(a_n = a_1 + (n-1)(d)\)
We know that a1 = 9 and d = -3
Putting the values we get
\(a_n = 9+(n-1)(-3)\)
Hence the correct answer is:
Option A. a_n=9+(n-1)(-3)
Zach needs a new pair of running shoes.The pair that he wants regularly sells for $129.If they are on sale for 24% off,how much will he pay in total if sales tax is 6.4%?
Answer:
$104.31
Step-by-step explanation:
First let's calculate the sale price of the shoes. If they are 24% off, that means they will be worth 76% of the initial price. So, we can multiply 76% by 129 to find the sale price:
129 * 0.76 = 98.04
The sale price is $98.04. To find the value of the sales tax, multiply the sale price by the percentage of the sales tax:
98.04 * 0.064 = 6.27456
The sales tax rounds to 6.27. Finally, to find the total price, add the value of the sales tax to the sale price:
98.04 + 6.27 = 104.31
The total price Zach will pay is $104.31.
Hope this helps :)
You borrow $8000 to help pay your college expenses. You agree to repay the loan at the end of 9 years at 9% interest, compounded quarterly. (Round your answers to two decimal places.) (a) What is the maturity value of the loan? $ (b) How much interest are you paying on the loan?
(a) The maturity value of the loan is $15,246.33.
(b) The amount of interest paid on the loan is $7,246.33.
To calculate the maturity value of the loan, we can use the formula for compound interest: A = \(P(1 + r/n)^(nt)\), where A is the maturity value, P is the principal amount, r is the interest rate, n is the number of times interest is compounded per year, and t is the number of years.
In this case, the principal amount (P) is $8000, the interest rate (r) is 9%, the loan duration is 9 years, and interest is compounded quarterly, so n = 4. Plugging these values into the formula, we get A = \(8000(1 + 0.09/4)^(4*9)\) = $15,246.33.
To calculate the amount of interest paid on the loan, we subtract the principal amount from the maturity value: Interest = Maturity value - Principal amount = $15,246.33 - $8000 = $7,246.33.
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7x + 6 - 4x + 10=? fast that ima get grounded
Answer:
= 3x + 15
Step-by-step explanation:
7x + 6 - 4x + 10
= 3x + 15
Answer:
3x+16Step-by-step explanation:
7x+6-4x+10
= (7x-4x)+(6+10)
= 3x+16
help pls?? answer for me??f
ANSWER
C PO SANA MAKATULONG PO YAN
Priya has a recipe for banana bread she uses 7 1/2 cups of flour for 3 loads of bread how many cups does it take for 1 loaf of bread
Answer: 2 1/2 cups of flour will make 1 Loaf of bread.
Step-by-step explanation:
3 loafs of bread can be made from 71/2 cups of flour
1 Loaf of bread will require = x cups of flour
By cross multiplication , we have
(1 Loaf of bread x 71/2 cups of flour) = 3 loafs of bread X x cups of flour
x cups of flour = (1 Loaf of bread x 71/2 cups of flour)/ 3 loafs of bread
=15/2 X 1/3 = 5/2 = 2 1/2
OR
7.5 /3 =2.5 = 2 1/2 cups of flour
When did the earliest Jewish communities start
Answer:
The first Jewish communities in Babylonia started with the exile of the Tribe of Judah to Babylon by Jehoiachin in 597 BCE as well as after the destruction of the Temple in Jerusalem in 586 BCE. Many more Jews migrated to Babylon in 135 CE after the Bar Kokhba revolt and in the centuries after.
Leslie ran for 30 minutes at 70% of her target heart rate. The total amount of time that she ran is called intensity. True False
The statement "The total amount of time that she ran is called intensity" is False.
Intensity is the degree of effort you put into physical exercise. It measures how hard you are exercising. The intensity of exercise may be determined by a variety of things, including heart rate, perceived exertion, power output, and speed. Your target heart rate is the heart rate range that is recommended during exercise to ensure that you are exercising effectively and safely. It varies depending on a variety of things, including age, weight, and overall fitness level. Your target heart rate range is calculated using a specific formula based on your maximum heart rate. This is the upper limit of your heart rate. 70 percent of this value is then used to find the lower limit, which is 70% of her target heart rate.
In summary, the statement "The total amount of time that she ran is called intensity" is False since Intensity is the degree of effort you put into physical exercise. The total amount of time that one runs is referred to as Duration.
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Given y=43x, what is the constant of proportionality?
A. 43x
B. 4
C. this is not a direct proportion
D. 43
Answer:
43
Step-by-step explanation:
Complete the diamond problems. The top
cell contains the PRODUCT of the number
in the right and left cells and the bottom
cell contains the SUM of the two numbers.
9
1
6
6
1
9
10
2
The number product which is 9, is located in the top cell.
The bottom cell has the sum of the two integers in the right and left cells, which equals 13.
Explain about the Diamond problems?In every Diamond Problem, the top number is the product of the left and right side numbers, and the bottom number is the total of those two values. The addition, subtraction, multiplication, and division of positive and negative integers, decimals, and fractions can all be practiced using diamond problems.
Another systematic way to factor "hard" second degree polynomials—those second degree polynomials with an a value other than 1—of the form ax2 + bx + c is by using the diamond method. The simplest way to explain this strategy is through an example. Think about trying to factor 2x2 - 5x - 3.
A diamond's length to width ratio is calculated by dividing the diamond's millimeter length by millimeter width. For instance, if you have an oval diamond with dimensions of 10 mm in length and 7 mm in width, divide 10 by 7 to get the number 1.4.
The product of top cell
= 9
The sum of the right left and bottom cell is
= 6 +6+1
=13
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During a special at the school book fair, each book will cost the same amount of money. Nelly can buy 4 books for $10.95. How much money will she need to buy 6 books?
Answer:
Nelly will need $16.43.
Step-by-step explanation:
First, you want to find out how much 1 book costs.
Take 10.95 and divide it by 4.
10.95/4=$2.73
Take the 2.73 and multiply it by 6.
6x2.73=16.425
=$16.43
Answer:
16.43 i think
Step-by-step explanation:
so first you divide 10.95 by 4 and get 2.74 so then you times it by 6 and get 16.43
ILL GIVE BRAINLESS I NEED THIS ASAP THO
Answer:
6
3
2
Step-by-step explanation:
urgent help matlab.Thanks in advanc Write a M function file 'tconvert.m', which can convert coordinates (x, y) into Polar from Cartesian coordinates.
A M function file 'tconvert.m', which can convert coordinates (x, y) into Polar from Cartesian coordinates. is:
"```matlab
function [theta, r] = tconvert(x, y)
```"
To create the M function file 'tconvert.m' that converts Cartesian coordinates (x, y) into Polar coordinates, follow these steps:
1. Open the MATLAB Editor or any text editor and create a new file named 'tconvert.m'.
2. In the file, start with the function declaration line: `function [theta, r] = tconvert(x, y)`.
3. Inside the function, write the conversion code using MATLAB's built-in functions:
- Calculate the angle theta using `atan2(y, x)`, which returns the angle in radians.
- Calculate the radius r using `sqrt(x^2 + y^2)`, which gives the distance from the origin.
4. End the function with the `end` keyword.
5. Save the file in a directory accessible by MATLAB.
The function 'tconvert' takes the Cartesian coordinates (x, y) as input and returns the corresponding Polar coordinates (theta, r). The angle theta represents the direction in radians, and the radius r represents the distance from the origin.
The function can be called from the MATLAB command window or from another script or function file.
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Complete question:
Write a M function file 'tconvert.m', which can convert from Cartesian coordinates (x,y) into Polar coordinates.
in the figure below, p ||q.
find m 7 if m 8=116°
Answer:
m∠7 = 64°
Step-by-step explanation:
∠7 and ∠8 are supplementary meaning they add up to 180°.
m∠7 + m∠8 = 180°
m∠7 + 116° = 180°
m∠7 = 64°
Answer:
180-116=64
Step-by-step explanation:
Angles sums should be 180 since it is straight angle
arthur benjamin says that the current top of the pyramid of mathematics curriculum is
Find the approximate area of the shaded sector
Answer:
66.4
Step-by-step explanation:
169pie * 45/360 = 66.4
Stephanie is making a smoothie. She needs 15 cup of milk and 34 cup of bananas. How many total cups of ingredients does she need?
serian 49 tazan en total