its not allowing me to send it. can i send somewhere else?
Step-by-step explanation:
Find the equation of the straight line passing through the points (−1,1) and (2,−4)
The equation of the straight line passing through the points (-1,1) and (2,-4) is y = -5/3x - 2/3.
To find the equation, we can use the point-slope form of a linear equation, which is y - y₁ = m(x - x₁), where (x₁, y₁) are the coordinates of a point on the line and m is the slope of the line.
We have,
Point 1: (-1, 1) with coordinates (x₁, y₁)
Point 2: (2, -4) with coordinates (x₂, y₂)
Let's calculate the slope (m):
m = (y₂ - y₁) / (x₂ - x₁)
= (-4 - 1) / (2 - (-1))
= -5 / 3
Now, substituting one of the points and the slope into the point-slope form, we have:
y - y₁ = m(x - x₁)
y - 1 = (-5/3)(x - (-1))
y - 1 = (-5/3)(x + 1)
Expanding the equation:
y - 1 = (-5/3)x - 5/3
To simplify the equation, let's multiply both sides by 3 to eliminate the fraction:
3(y - 1) = -5x - 5
Expanding and rearranging the equation, we get:
3y - 3 = -5x - 5
3y = -5x - 5 + 3
3y = -5x - 2
y = (-5/3)x - 2/3
Thus, the equation of the straight line passing through the points (-1,1) and (2,-4) is y = -5/3x - 2/3.
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Find the midpoint between (-6,-20) and (-5,7)
Answer:
midpoint...=. (x1+x2/2),(y1+y2/2)
=(-6-5)/2,(-20+7)/2
=(-11/2,13/2)
Answer:
( -5.5 , -6.5 )
Step-by-step explanation:
( -6 , -20 ) and ( -5 , 7 )
→ Add the 2 x - coordinates together and divide by 2
( -6 + ( -5 ) ) ÷ 2 = -5.5
→ Add the 2 y - coordinates together and divide by 2
( -20 + 7 ) ÷ 2 = -6.5
S is between R and T. If RS = 7a, ST = 12a - 2, and RT = 36, then find ST
Answer:
a=4 st=48
Step-by-step explanation:
28=7a; a= 4;
ST= 12a; ST= 12*4= 48
Answer:
the answer of the equation is ST is =3a
Suppose that the weight of a sack of flour has a probability distribution with moment generating function MW (t) = 1/(1 − 3t) 2 . You purchase 2 sacks of flour. Assume that the weights of different sacks of flour are independently distributed. What is the variance of the total weight of flour sacks purchased?
The variance of the total weight of flour sacks purchased is 36.
Since the moment generating function of a random variable uniquely determines its moments, we can use the moment generating function MW(t) to find the mean and variance of the weight of one sack of flour.
The first derivative of the moment generating function is:
MW'(t) = 6t/(1 - 3t)³
Setting t = 0, we get the mean:
MW'(0) = 6(0)/(1 - 3(0))³ = 0
So the mean weight of one sack of flour is zero.
The second derivative of the moment generating function is:
MW''(t) = 54t²/(1 - 3t)⁴ + 18/(1 - 3t)³
Setting t = 0, we get the second moment:
MW''(0) = 54(0)²/(1 - 3(0))⁴ + 18/(1 - 3(0))³ = 18
So the variance of the weight of one sack of flour is 18.
Now, let X and Y denote the weights of the first and second sacks of flour, respectively. Since the weights are independently distributed, the variance of the total weight of flour sacks purchased is the sum of the variances:
Var(X + Y) = Var(X) + Var(Y) = 18 + 18 = 36
Therefore, the variance of the total weight of flour sacks purchased is 36.
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Which triangle’s unknown side length measures StartRoot 53 EndRoot units?
A right triangle with side length of 6 and hypotenuse of StartRoot 91 EndRoot.
A right triangle with side length of StartRoot 47 EndRoot and hypotenuse of 10.
A right triangle with side length of StartRoot 19 EndRoot and hypotenuse of StartRoot 34 EndRoot.
A right triangle with side length StartRoot 73 EndRoot and hypotenuse 20.
The right triangle with side length StartRoot 19 EndRoot and hypotenuse of StartRoot 34 EndRoot is the correct triangle whose unknown side measures √53 units.
The triangle’s unknown side length which measures √53 units is a right triangle with side length StartRoot 19 EndRoot and hypotenuse of StartRoot 34 EndRoot.What is Pythagoras Theorem- Pythagoras Theorem is used in mathematics.
It is a basic relation in Euclidean geometry among the three sides of a right-angled triangle. It explains that the square of the length of the hypotenuse (the side opposite the right angle) equals the sum of the squares of the lengths of the other two sides. The theorem can be expressed as follows:
c² = a² + b² where c represents the length of the hypotenuse while a and b represent the lengths of the triangle's other two sides. This theorem is widely used in geometry, trigonometry, physics, and engineering. What are the sides of the right triangle with side length StartRoot 19 EndRoot and hypotenuse of StartRoot 34 EndRoot-
As per the Pythagoras Theorem, c² = a² + b², so we can find the third side of the right triangle using the following formula:
√c² - a² = b
We know that the hypotenuse is StartRoot 34 EndRoot and one side is StartRoot 19 EndRoot.
Thus, the third side is:b = √c² - a²b = √(34)² - (19)²b = √(1156 - 361)b = √795b = StartRoot 795 EndRoot
We have now found that the missing side of the right triangle is StartRoot 795 EndRoot.
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The total cost of a jacket and a pair of shoes was $91.43. if the price of the jacket was $7.65 less than the pair of shoes, what was the price of the jacket? express your answer as a simplified fraction or a decimal rounded to two places.
The price of the jacket in decimals is $ 41.89
The decimal numeral system is widely used to express both integer and non-integer numbers.
The Hindu-Arabic number system has been expanded to include non-integer values. The term "decimal notation" is used to refer to the way that numbers are represented using the decimal system.The decimal system has been developed to represent any real number in an endless number of decimals by using any number of digits after the decimal separator (see decimal representation). Since there are only a few non-zero digits beyond the decimal separator, the decimal numerals in this context are sometimes referred to as terminating decimals. An unending decimal that, at a given point, continues to use the same set of digits repeatedly is said to be recurrent.Let the price of the jacket be x.
Price of the pair of shoes = x + 7.65
Total cost of both the pieces = x + x + 7.65 = 2x+7.65
But the total cost is $91.43
Hence forming a linear equation we get :
$91.43= 2x+7.65
solving the linear equation for x we get :
x=$ 41.89
hence the cost of the jacket is $ 41.89 .
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21. *
21
Andy made a servings of tacos and
15 servings of nachos, and wants to set
up identical tables for the tacos and
nachos. He also doesn't want any left
over tacos or nachos. What is the most
number of tables Andy can set up?
10 poi
Andy can set up a maximum of 12 tables, each with 3 servings of tacos and 3 servings of nachos.
Let's assume that there are a limit of n servings per table. We need to get the greatest number of n that divides both 21 and 15 without leaving a remnant because Andy doesn't want any leftover tacos or nachos. In comparison to the factors of 15, which are 1, 3, 5, and 15, the factors of 21 are 1, 3, 7, and 21. Three is the highest number that divides both 21 and 15.
Thus, a maximum of three dishes can be placed on each table. We divide the total servings by the maximum servings per table to get how many tables Andy can set up:
Servings total: 21 + 15 = 36
3 serves maximum per table.
Amount of tables = Total Servings / Maximum Servings Per Table = 36 / 3 = 12
Hence, Andy can only put up a maximum of 12 tables, each with 3 tacos and 3 nachos.
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At the West Street Bakery, 1/6 of the dessert case holds pies. There are 4 equal size shelves.
Which fraction of the West Street Bakery’s dessert case is taken up by 1 pie shelf?
1/4
2/3
1/24
5/6
Answer:
1/4 or 1/24
Step-by-step explanation: I am not sure but try and if you get it rong I am sorry
Answer:
Im thinking the answer is 1/24.
Step-by-step explanation:
1/6 divided by 4
6 x 4 = 24
4 x 6 = 24
if you put a fraction first, the answer will be a fraction.
A 6th grade cla did a weekend fitne challenge. Each tudent et a goal of `75` minute of fitne. Amanda exercied for `78` minute. What percent of the goal did he achieve?
Answer: 104%
Step-by-step explanation:
75/78=1.04
Please answer please I need it today, if you show ur answer and solution then i'll make you the brainliest
Answer:
1) 0.3
2) 12
3a) 5/6
3b) 4/5
Step-by-step explanation:
1) There are;
12 white balls, 6 green balls and 2 red balls.
Total number of balls = 12 + 6 + 2 = 20
Probability of selecting a green ball at random = 6/20 = 3/10 = 0.3
2) we are told that number of marbles is 28 marbles.
Now, theoretical probability of drawing a blue marble = 3/7
This fraction is; number of favorable outcomes/number of possible outcomes.
Thus;
Number of blue marbles = 3/7 × 28 = 12 blue marbles
3a) theoretical probability is what we expect to happen.
There are 5 numbers less than 6 in the table.
Thus;
Theoretical probability of getting a number less than 6 in the next throw = 5/6
3b) Experimental probability is what actually happens.
Number of times a number less than 6 appears = 6 + 4 + 7 + 11 + 12 = 40 times
There was a total of 50 trials. Thus;
Experimental probability of getting a number less than 6 in the next throw = 40/50 = 4/5
The latest online craze is a new game con or seven you get 100 points for playing the game in addition you get 50.37 letter word you make with 10 letters she receives Sal wants to break the record and he needs 18,000 or more points he said write an inequality to determine the number of seven letter words to say I could make to break the record
Let's assume 'x' represents the number of seven-letter words that Sal can make.
For each seven-letter word, Sal receives 50.37 points.
To determine if Sal can break the record of 18,000 points, we can set up the following inequality:
100 + 50.37x ≥ 18,000
This inequality states that the total points earned by Sal (100 + 50.37x) should be greater than or equal to 18,000 in order to break the record.
Therefore, the inequality to determine the number of seven-letter words (x) Sal needs to make to break the record is: The latest online craze is a new game, Khan on Seven. You get 100 points for playing the game. In addition, you get 50 points for each seven-letter word you make with the ten letters you receive 100 + 50.37x ≥ 18,000.
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Price is $45.50 Sales Tax is 6% What is the total cost? *
Answer: $48.23
Step-by-step explanation:
The sales tax would be $2.73
Answer:
$ 48.23
Step-by-step explanation:
Lmk if its correct <3 Hope my answer helped, and have an amazing day :)
Consider the function given below: (defun things (x) (if (null x ) '() (if (>(carx) 10) (cons(+(carx) 1) (things (cdrx))) (cons (- (car x) 1) (things (codr x)) ) 1 ) 1 Show the evolution resulting from the following call: USP> (things '(11-2 31))
The evolution of the function call (things '(11 -2 31)) is as follows:
(things '(11 -2 31)) -> (things '(-2 31)) -> (things '(31)) -> (things '()) -> '() the final result of the given call is '().
The given function is a recursive function called "things" that takes a list as input. It checks if the list is empty (null), and if so, it returns an empty list. Otherwise, it checks if the first element of the list (car x) is greater than 10. If it is, it adds 1 to the first element and recursively calls the "things" function on the rest of the list (cdr x). If the first element is not greater than 10, it subtracts 1 from the first element and recursively calls the "things" function on the rest of the list. The function then returns the result.
Now, let's see the evolution resulting from the call (things '(11 -2 31)):
1. (things '(11 -2 31))
Since the list is not empty, we move to the next if statement.
The first element (car x) is 11, which is greater than 10, so we add 1 to it and recursively call the "things" function on the rest of the list.
The recursive call is (things '(-2 31)).
2. (things '(-2 31))
Again, the list is not empty.
The first element (car x) is -2, which is not greater than 10, so we subtract 1 from it and recursively call the "things" function on the rest of the list.
The recursive call is (things '(31)).
3. (things '(31))
The list is still not empty.
The first element (car x) is 31, which is greater than 10, so we add 1 to it and recursively call the "things" function on the rest of the list.
The recursive call is (things '()).
4. (things '())
The list is now empty, so the function returns an empty list.
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the region bounded by the given curves is rotated about the specified axis. find the volume v of the resulting solid by any method. y
The volume of the resulting solid is (26π/3) cubic units.
To find the volume of the solid generated by rotating the region bounded by the curves x = (y - 6)², x = 25, about the axis y = 1, we will integrate the cylindrical shells along the y-axis.
The limits of integration for y are from y = 1 to y = 11, as determined earlier.
The differential volume of a cylindrical shell is given by dV = 2πrh dy, where r is the distance from the axis of rotation to the curve, h is the height of the cylindrical shell, and dy is the thickness of the shell.
In this case, the radius of the cylindrical shell is r = 1, and the height of the cylindrical shell is h = x₁ - x₂ = 25 - (y - 6)².
Thus, the differential volume becomes dV = 2π(1)(25 - (y - 6)²) dy.
We can now integrate this differential volume over the range of y = 1 to y = 11 to find the total volume V:
V = ∫[1,11] 2π(25 - (y - 6)²) dy
Expanding and simplifying the integral:
V = 2π ∫[1,11] (25 - (y - 6)²) dy
V = 2π ∫[1,11] (25 - (y² - 12y + 36)) dy
V = 2π ∫[1,11] (25 - y² + 12y - 36) dy
V = 2π ∫[1,11] (-y² + 12y - 11) dy
Integrating the terms individually:
V = 2π [-y³/3 + 6y² - 11y] |[1,11]
V = 2π [-(11³/3) + 6(11²) - 11(11)] - [-(1³/3) + 6(1²) - 11(1)]
V = 2π [-1331/3 + 726 - 121] - [-1/3 + 6 - 11]
V = 2π [-1331/3 + 726 - 121 + 1/3 - 6 + 11]
V = 2π [-604/3 + 616 + 1/3]
V = 2π [13/3]
Simplifying further:
V = (26π/3)
Therefore, the volume of the resulting solid is (26π/3) cubic units.
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A chef has 2 blocks of butter. Each block weighs 1 pound. She cuts each block into sixths.
How many 1/6
-pound pieces of butter does the chef have?
Answer:
220
Step-by-step explanation:
A bank quotes a rate 15.6% compounded annually. What is the equivalent nominal interest rate with daily compounding? Enter your answer as a percentage to 2 decimal places, but do not enter the % sign.
To find the equivalent nominal interest rate with daily compounding, we can use the formula: Nominal Interest Rate =\((1 + Effective Annual Rate)^(1/n) - 1\) Where: Effective Annual Rate is the rate quoted by the bank (in decimal form) n is the number of compounding periods per year
In this case, the quoted rate by the bank is 15.6% (or 0.156 in decimal form), and the compounding is done annually, so there is one compounding period per year.
Plugging in these values into the formula, we get:
Nominal Interest Rate = (1 + 0.156)^(1/365) - 1
Calculating the expression inside parentheses:
Nominal Interest Rate = (1.156)^(1/365) - 1
Calculating the exponent:
Nominal Interest Rate = 1.000427313 - 1
Subtracting:
Nominal Interest Rate = 0.000427313
Converting to a percentage to 2 decimal places:
Nominal Interest Rate = 0.0427%
Therefore, the equivalent nominal interest rate with daily compounding is approximately 0.0427%.
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HELP ASAP!!
Add. (5x + 8) + (2x + 5)
Answer:
7x + 13
Step-by-step explanation:
because the correct answer is 7x+13
A drug that makes you sleepy decays at a rate of 22% per hour. It
is safe to drive when there is no more than 30 mg left in your
blood. If you take 300 mg of this drug, will it be safe to drive in
10 hours?
A = P(1 – r)*
Answer:I think so
Step-by-step explanation:
Answer:
I don't know eeeeeeeeeeeeeeeeerrrrrrrer
I NEED THE ANSWER ASAP THIS CLOSES AT MIDNIGHT ANF IT 11:44 PLEASE HELP
I need help with this It’s from my trig prep book
Let's draw a picture of our triangle:
We know that the larger acute angle is always in front of the large leg (denoted by x). So, we can relate the unknown angle with the shorter leg and the hypotenuse by means of the cosine function, that is,
\(\cos \theta=\frac{\text{ adjancent leg to theta}}{\text{hypotenuse}}=\frac{2\sqrt[]{6}}{2\sqrt[]{15}}\)which gives
\(\begin{gathered} \cos \theta=\frac{\sqrt[]{6}}{\sqrt[]{15}}=\frac{\sqrt[]{2\times3}}{\sqrt[]{5\times3}} \\ \cos \theta=\frac{\sqrt[]{2}}{\sqrt[]{5}} \end{gathered}\)Then, we have
\(\cos \theta=0.632455\)Now, by applying the respective inverse function, we have
\(\theta=\cos ^{-1}(0.632455)\)which gives
\(\theta=50.768\)Therefore, by rounding the nearest tenth, the answer is 50.8 degrees
If £1 = US$1.11316 and A$1 = US$0.8558, how many British pounds will you get for one Australian dollar?
=£
Round to two decimal places
The correct answer is you will get approximately £1.30 for one Australian dollar.
To find out how many British pounds you will get for one Australian dollar, we need to determine the exchange rate between the British pound and the Australian dollar.
Given that £1 = US$1.11316 and A$1 = US$0.8558, we can calculate the exchange rate between the British pound and the Australian dollar as follows:
£1 / (US$1.11316) = A$1 / (US$0.8558)
To find the value of £1 in Australian dollars, we can rearrange the equation:
£1 = (A$1 / (US$0.8558)) * (US$1.11316)
Calculating this expression, we get:
£1 ≈ (1 / 0.8558) * 1.11316 ≈ 1.2992
Therefore, you will get approximately £1.30 for one Australian dollar.
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To which subset of the real number system does the number
1.5
belong?
Answer is rational numbers
Describe the difference between null vs alternative hypothesis
Statistical hypothesis testing employs the null and alternate hypotheses.
The alternative hypothesis of a test expresses the prediction of an effect or relationship based on your study, while the null hypothesis of the test does not yet predict an effect or an association between the variables.
A statement that there is no relationship between two variables is called a null hypothesis. Another hypothesis is that the two variables are statistically correlated.
Alternative unilateral (directional) or the bilateral (non-directional) hypotheses are also possible. Simple, complex, true, and false are the four main categories of null hypotheses. If the p-value is greater than the statistical significance level, null hypothesis is preferred.
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Can somebody help me please
Answer:
as it is isosceles triangle
40+40+x=180
x = 100°
Look at the image and please help.
please help geometry
Answer:
Below
Step-by-step explanation:
Remember in a RIGHT triangle , cos = adj leg / hypotenuse
for this one then
cos (37) = 11/x re-arrange to
x = 11/cos 37
x = 11/ .7986 = 13.8 units
Answer:
13.77
Step-by-step explanation:
You want the hypotenuse of a right triangle with acute angle 37° and adjacent side 11.
CosineThe relevant trig relation is ...
Cos = Adjacent/Hypotenuse
cos(37°) = 11/x
Solving for x, we find ...
x = 11/cos(37°) ≈ 13.77
The measure of side x is 13.77 units.
In order to verify the accuracy of their financial accounts, companies use auditors on a regular basis to verify accounting entries. The company’s employees make erroneous entries 5% of the time. Suppose that an auditor randomly checks three entries.
a. Find the probability distribution for Y , the number of errors detected by the auditor.
b. Construct a probability histogram for p(y).
c. Find the probability that the auditor will detect more than one error.
To find the probability distribution for Y, the number of errors detected by the auditor, we can use the binomial distribution formula. The binomial distribution is used when there are only two possible outcomes, success or failure, and each trial is independent.
In this case, the probability of success (detecting an error) is 5% or 0.05, and the probability of failure (not detecting an error) is 1 - 0.05 = 0.95.
a. To find the probability distribution for Y, we can use the formula for the binomial distribution:
P(Y = y) = (nCk) * p^k * (1-p)^(n-k)
where n is the number of trials (3 in this case), k is the number of successes (errors detected), p is the probability of success (0.05), and (nCk) is the combination formula.
For y = 0:
P(Y = 0) = (3C0) * (0.05)^0 * (0.95)^(3-0) = (1) * (1) * (0.95)^3 = 0.857375
For y = 1:
P(Y = 1) = (3C1) * (0.05)^1 * (0.95)^(3-1) = (3) * (0.05) * (0.95)^2 = 0.135375
For y = 2:
P(Y = 2) = (3C2) * (0.05)^2 * (0.95)^(3-2) = (3) * (0.05)^2 * (0.95)^1 = 0.007125
For y = 3:
P(Y = 3) = (3C3) * (0.05)^3 * (0.95)^(3-3) = (1) * (0.05)^3 * (0.95)^0 = 0.000125
So the probability distribution for Y is:
Y = 0 with probability 0.857375
Y = 1 with probability 0.135375
Y = 2 with probability 0.007125
Y = 3 with probability 0.000125
b. To construct a probability histogram for p(y), you can create a bar graph where the x-axis represents the number of errors detected (Y) and the y-axis represents the probability (P(Y = y)). Each bar will have a height corresponding to the probability.
c. To find the probability that the auditor will detect more than one error, we need to calculate the sum of the probabilities for Y = 2 and Y = 3:
P(Y > 1) = P(Y = 2) + P(Y = 3) = 0.007125 + 0.000125 = 0.00725
Therefore, the probability that the auditor will detect more than one error is 0.00725.
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If a country's debt-to-GDP ratio is currently 50% and its debt is expected to grow from $40 trillion to $50 trillion in the next 5 years, what will the country's GDP have to be in 5 years to maintain the current debt-to-gdp ratio?
A. 100 trillion
B. 25 trillion
C. 80 trillion
D. 20 trillion
BRAINLIEST TO CORRECT ANSWER!!! NO links as answers, or you will be reported!! (question 4)
Answer:
Hello! Your answer would be, C) Divide by 2
Step-by-step explanation:
And plz don't be mean. :(
Hope I helped! Brainiest plz!♥ Have a nice afternoon. Hope you make a 100%! -Amelia
Find the solution to the unforced ODE given with initial conditions y(0)=2 and y (0)=8. 2 y (t)+8 y(t)−10y(t)=0
The solution to the given unforced ODE with initial conditions y(0) = 2 and y'(0) = 8 is y(t) = 4e-2t + 2e-4t.
To obtain this solution, we start by solving the ODE:
2y (t) + 8y' (t) − 10y(t) = 0
The characteristic equation for this ODE is r2 + 8r − 10 = 0, which has solutions r = -2 and r = -4. This gives us the general solution of the ODE as:
y(t) = A e-2t + B e-4t.
Using the initial conditions given, we can determine the values of A and B:
y(0) = 2 = A + B
y'(0) = 8 = -2A + -4B
By solving the system of equations, we obtain A = 2 and B = 2. Therefore, the solution to the given ODE is y(t) = 4e-2t + 2e-4t.
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