13q-30q =
Please show work
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Related Questions
You find that statistical uncertainty is your largest measurement uncertainty and that the iv value is your largest propagated uncertainty. How can you try to improve both uncertainties in the simplest, but most effective way?
Answers
The effectiveness of these strategies may vary depending on the specific context and measurement process. Applying multiple strategies in combination can lead to the best improvement in uncertainties.
To improve both statistical uncertainty and propagated uncertainty, there are a few steps you can take:
1. Statistical Uncertainty:
Increase the sample size: By collecting more data points, you can reduce the statistical uncertainty. A larger sample size provides a more representative estimate of the true value.Improve measurement precision: Use more precise instruments or techniques to reduce random errors and improve the precision of individual measurements. This can help reduce the statistical uncertainty associated with each measurement.2. Propagated Uncertainty:
Improve accuracy of input measurements: Ensure that the measurements used as input for calculations are as accurate as possible. This involves minimizing systematic errors and calibrating instruments regularly.Reduce sources of variability: Identify and minimize sources of uncertainty that contribute most to the propagated uncertainty. This could involve optimizing experimental setups, controlling environmental conditions, or using more accurate models for calculations.Evaluate and refine the propagation method: Review the method used to propagate uncertainties and ensure it is appropriate for the specific situation. Consider if alternative methods or assumptions could lead to a better estimation of the propagated uncertainty.To know more about strategy here:
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The square above has an area of
16 + 8x + x² square meters.
What expression represents the length of one side of the square?
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It can also be x + 4.
Turn 16 + 8x + x^2 into standard form —> x^2 + 8x + 16
Note: standard form is ax^2 + bx + c
Use the “foil” method to factor.
(x + 4)(x + 4)
x=-4
How many solutions does 5x 2y =- 7?
Answers
There is no single answer to this question. It depends on what values are chosen for x and y , equation has an infinite
The equation 5x + 2y = -7 is an indeterminate equation with two unknowns, x and y. This means that the equation has an infinite number of solutions, depending on the values of x and y. For example, if x = 3 and y = -2, then the equation would be satisfied. If x = 2 and y = -3, then the equation would also be satisfied. Therefore, the number of solutions for this equation is infinite.There is no single answer to this question. It depends on what values are chosen for x and y.
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If x = -1, then which of the following
equations makes a true statement?
4x + 9 = 20
-4x – 5 = -15
-3x + 15 = 18
-5x – 15 = -22
(PLS ANSWER FAST)
Answers
The equation that makes a true statement when x = -1 is -4x - 5 = -15.
Substituting -1 for x in each equation, we get:
4(-1) + 9 = 5
-4(-1) - 5 = 1
-3(-1) + 15 = 18
-5(-1) - 15 = 10
Only the equation -4x - 5 = -15 results in a true statement when x = -1, since:
-4(-1) - 5 = -4 + 5 = 1, which is equal to the right-hand side of the equation (-15) when x = -1.
Therefore, the answer is -4x - 5 = -15.
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In this simplest form what is the ratio of circles and triangles
Answers
There are 3 shapes present.
Triangle - 2
Circle - 4
Square - 2
The ratio of triangles to circles: 2 triangles to 4 circles ⇒ 2/4
2/4 simplified to 1/2.
what is the average of -5 -6 -2 0 3
Answers
Answer:
-2
Step-by-step explanation:
Which of the following is the graph of (x + 4)2 + (y − 7)2 = 49?
HELP. PLEASE.
Answers
Answer:
The third graph comes closest, but some difference suggest that the fifth graph, which is incorrectly displayed, may be the correct one.
Step-by-step explanation:
I will rewrite the equation to the form it seems to have been intended: (x + 4)^2 + (y − 7)^2 = 49. Note the addition of two "^" to indicate the 2's are both powers, and not "*2."
Plot the equation on a scientific calculator or a free web-based scientific calculator, such as DESMOS. Compare the graph with the graph options. See the attached worksheet.
The plotted graph comes close to the graph option selected (third from left), but there were differences, as noted. It was the closest I saw on a first pass, but spend time ooking more closely at the options to see if there is a better choice. The fifth option doesn't look like it belongs, and the correct option may not be listed.
Figure A h Figure B What is the scale factor from Figure A to Figure B?
Answers
Answer:
figure a?
Step-by-step explanation:
I really don't know the answer to this i would need more information
Suppose that the nth partial sum of the series an is sn = -2n+15/-1n+2. Find a (not very pretty) expression for an: What is the value of an:
Answers
Answer: The value of an is given by the expression \(an=\frac{4n-11}{n^{2}-5n+6 }\)
To find an expression for the nth term an of a series, given the nth partial sum \(sn= \frac{-2n+15}{-1n+2}\).
To find an, we can use the relationship between the nth partial sum and the (n-1)th partial sum:
an = sn - s(n-1)
First, let's find the expression for s(n-1):
\(s(n-1) = \frac{(-2n-1)+15}{-1(n-1)+2}\)
\(s(n-1)= \frac{-2n+1}{-1n+3}\)
Now, subtract s(n-1) from sn:
\(an= \frac{(-2n+15)}{(-1n+2)} - \frac{(-2n+17)}{(-1n+3)}\)
To subtract the fractions, we need a common denominator:
\(an= \frac{((-2n+15)(-1n+3)-(-2n+17)(-1n+2))}{((-1n+2)(-1n+3))}\)
Simplify the expression:
\(an= \frac{((2n^{2}-6n-15n+45)-(-2n^{2}-4n+17n-34))}{(n^{2}-5n+6) }\)
\(an=\frac{4n-11}{n^2-5n+6} }\)
So the value of an is given by the expression \(an=\frac{4n-11}{n^{2}-5n+6 }\).
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What is the next term of the geometric sequence? 27/16, -9/4 3
Answers
Answer:
-4
Step-by-step explanation:
khan academy
How would you express the area of the rectangle using the Distributive Property?
A. 5(x + 3)
B. x(3 + 5)
C. 3(x + 5)
D. 3x + 5
Answers
Can anyone help out?
Answers
12. Write the MATLAB statements required to calculate f(t) using the following equation for values of t € [-9,9] in steps of 0.5. f(t) = { (-3t² +5 t 20 3t² +5 t < 0 13. Write a MATLAB function named UniGen that generates a specified number (n) of random values that are uniformly distributed on any given interval specified by values a and b, that is, [a, b].
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12. MATLAB code: `f = (-3*t.^2 + 5*t + 20).*(t < 0) + (3*t.^2 + 5*t).*(t >= 0)`
13. MATLAB function: `function random_values = UniGen(n, a, b); random_values = (b - a) * rand(n, 1) + a; end`
MATLAB code to calculate f(t) using the given equation:
t = -9:0.5:9; % Generate values of t from -9 to 9 in steps of 0.5
f = zeros(size(t)); % Initialize f(t) vector
for i = 1:numel(t)
if t(i) < 0
f(i) = -3*t(i)^2 + 5*t(i) + 20;
else
f(i) = 3*t(i)^2 + 5*t(i);
end
end
% Display the results
disp('t f(t)');
disp('--------');
disp([t' f']);
```
This code generates values of `t` from -9 to 9 in steps of 0.5 and calculates `f(t)` based on the given equation. The results are displayed in a tabular format showing the corresponding values of `t` and `f(t)`.
13. MATLAB function UniGen to generate uniformly distributed random values:
function random_values = UniGen(n, a, b)
% n: Number of random values to generate
% a: Start of the interval
% b: End of the interval
random_values = (b - a) * rand(n, 1) + a;
end
This MATLAB function named `UniGen` generates `n` random values that are uniformly distributed on the interval `[a, b]`. It utilizes the `rand` function to generate random values between 0 and 1, which are then scaled and shifted to fit within the specified interval `[a, b]`. The generated random values are returned as a column vector.
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Molly now blends 6 ml of blue paint with 5 ml of white paint. She decides that she likes this color and wants to make more. If she wants to keep this same ratio, how much blue paint will she need to add if she adds 40 ml of white paint? Guys this is do tonight at 11:59 i really need help
Answers
9514 1404 393
Answer:
48 mL
Step-by-step explanation:
The amount of white paint she added is 40/5 = 8 times the amount she already had. So, Molly needs to add 6·8 = 48 ml of blue paint to her mix.
Please see attached and assist. Thanks!
S-7 -7 Which of the following is a solution to the system =2x-y 0 = x + 3y Select all that apply. DA. (-28,-10) OB. (-30, 10) OC. (-5,-3) OD. (-3.1)
Answers
Among the given options, (-30, 10) and (-3, 1) are the solutions that satisfy both equations. Options B and D are correct, while options D and C are not solutions to the system.
To determine which of the given options are solutions to the system of equations, we need to substitute the values into the equations and check if they satisfy both equations.
The system of equations is:
-7 = 2x - y
0 = x + 3y
Let's go through each option:
Option A: (-28, -10)
Substituting x = -28 and y = -10 into the equations:
-7 = 2(-28) - (-10)
-7 = -56 + 10
-7 = -46 (not satisfied)
0 = -28 + 3(-10)
0 = -28 - 30
0 = -58 (not satisfied)
Option B: (-30, 10)
Substituting x = -30 and y = 10 into the equations:
-7 = 2(-30) - 10
-7 = -60 - 10
-7 = -70 (not satisfied)
0 = -30 + 3(10)
0 = -30 + 30
0 = 0 (satisfied)
Option C: (-5, -3)
Substituting x = -5 and y = -3 into the equations:
-7 = 2(-5) - (-3)
-7 = -10 + 3
-7 = -7 (satisfied)
0 = -5 + 3(-3)
0 = -5 - 9
0 = -14 (not satisfied)
Option D: (-3, 1)
Substituting x = -3 and y = 1 into the equations:
-7 = 2(-3) - 1
-7 = -6 - 1
-7 = -7 (satisfied)
0 = -3 + 3(1)
0 = -3 + 3
0 = 0 (satisfied)
Based on the above calculations, the solutions that satisfy both equations are:
Option B: (-30, 10)
Option D: (-3, 1)
Therefore, the correct options are B and D.
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Is it a ,b,c,d which one?
Answers
Because the dot is 4 steps left of 0, and there are 6 steps from 0-1
So its -4/6
And reducing to its lowest term, its -2/3
You’re welcome :)
Claudia, who is 30 years old, has a 1 in 953 probability of giving birth to an infant with Down syndrome. However, Mayda, who is 40 years old, has a 1 in _____ probability.
Answers
For Mayda, who is 40 years old, the probability of giving birth to an infant with Down syndrome is 1 in 85.
To find out the maternal age-specific risk of Down syndrome,
The maternal age-specific risk of Down syndrome is the probability that a baby will be born with Down syndrome based solely on the age of the mother.
Use the maternal age-specific risk of Down syndrome for the specific maternal age,
For example, the maternal age-specific risk of Down syndrome for a 40-year-old mother is 1 in 85.
So the probability for Mayda, who is 40 years old, is 1 in 85.
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Lou Zing Marbles just came back from three marble games with 21 marbles left in his pocket. In the first game, he lost ½ of his marbles. In the second game, he ended up with 12 times what he had going into that game. In the third game, he won 9 marbles. Lou forgot how many marbles he began with. Find how many he had when he started playing the three games.
Answers
Answer:
8/8 6/8 so your going to take 2 from 8/8 so that would be 6/8
Step-by-step explanation:
Write a polynomial function in standard form with the given zeros. x=5,6,7 .
Answers
The polynomial function in standard form with the given zeros x = 5, 6, and 7 is:
f(x) = x^3 - 18x^2 + 107x - 210
To write a polynomial function in standard form with the given zeros x = 5, 6, and 7, we use the fact that if a value x is a zero of a polynomial function, then (x - a) is a factor of the polynomial, where a is the zero.
Using this information, we can construct the polynomial function as follows:
Since the zeros are x = 5, 6, and 7, the factors of the polynomial are (x - 5), (x - 6), and (x - 7).
To obtain the polynomial function, we multiply these factors together:
f(x) = (x - 5)(x - 6)(x - 7)
Expanding this expression, we get:
f(x) = (x^2 - 11x + 30)(x - 7)
Now, let's multiply further:
f(x) = (x^2 - 11x + 30)(x) - 7(x^2 - 11x + 30)
Expanding again:
f(x) = x^3 - 11x^2 + 30x - 7x^2 + 77x - 210
Combining like terms:
f(x) = x^3 - 11x^2 - 7x^2 + 30x + 77x - 210
Simplifying:
f(x) = x^3 - 18x^2 + 107x - 210
Therefore, the polynomial function in standard form with the given zeros x = 5, 6, and 7 is:
f(x) = x^3 - 18x^2 + 107x - 210
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please help me out friends
Answers
Answer:
month 5
Step-by-step explanation:
2 1/5 divided by 3/5
Answers
if you make 2 1/5 a improper fraction it would be 6/5
6/5÷3/5 is easy because 6÷3=2
the answer is 2.
Answer:
3 2/3
Step-by-step explanation:
2 1/5 ÷ 3/5
Convert 2 1/5 to an improper fraction
2 1/5 -- > 5 × 2 + 1 = 11/5
= 11/5 ÷ 3/5
Change the operator to multiplication
= 11/5 × 5/3
Cross multiply
= 11/3
Convert improper fraction to a mixed number
= 3 2/3
Using the numbers 2,7,13,11,5 can you get the total of 23? (You must use all numbers, no negatives, no using each number more than once, and only use Subtraction, Multiplication, addition, and division, you can also group numbers)
Answers
Answer:
(2-7)/5 + 13 + 11
Step-by-step explanation:
There's a lot of guess and check that needs to go into this to make this work, but here's what I got:
(2-7)/5 + 13 + 11
-5/5 + 13 + 11
-1 + 13 + 11
24 - 1
23
carson and his children went into a grocery store and he bought $10 worth of apples and bananas. Each apple costs $2 and each banana costs $0.50. He bought 5 more bananas than apples. By following the steps below, determine the number of apples, x,x, and the number of bananas, y,y, that carson bought.
Answers
Carson bought five more bananas then apples Carson bought 3 apples and 8 bananas
3 = x and 8 = y
2(3) + .5(8) = 10
P(A/B) = P(ANB)
P(B)
Freshmen
Sophomores
Juniors
Seniors
Boys
3
1
4
2
Girls
7
9
6
5
P(Freshman Boy)
Answers
The probability of a freshman being a boy is 3/37.
What is probability?
Probability is a branch of mathematics that deals with the study of randomness and uncertainty in events. It is the measure of the likelihood or chance that an event will occur. Probability is expressed as a number between 0 and 1, where 0 indicates that the event will not occur and 1 indicates that the event will occur with certainty.
The total number of students is:
3 + 1 + 4 + 2 + 7 + 9 + 6 + 5 = 37
The number of freshman boys is 3. Therefore,
P(Freshman Boy) = number of freshman boys / total number of students
P(Freshman Boy) = 3/37
Hence, the probability of a freshman being a boy is 3/37.
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The price of an item has risen to $238 today. Yesterday it was $140. Find the percentage increase.
HELP
DONT SWIPE PAST
OH Amy bad for assuming you swiped tysm for helping!!
Answers
Answer:
The percentage increase is 70%
Step-by-step explanation:
There is a calculator that solves the problem for you just enter the 2 values that they ask for
A regression was run to determine if there is a relationship between hours of TV watched per day (x) and number of situps a person can do (y). The results of the regression were :Y=ax+ba= -0.736b=30.391r^2=0.712336r= -0.844Use this to predict the number of sit-ups a person who watches 8 hours of Tv can do (to one decimal place)
Answers
The function that relates x and y was found to be:
y = -0.736x + 30.391
It's required to find the value of y when x = 8:
y = -0.736 (8) + 30.391
Operating:
y = -5.888 + 30.391
y = 24.503
Rounding to one decimal place:
y = 24.5
let s 5 {3, 4, 5, 6, 7, 8, 9, 10, 11, 12}. suppose six integers are chosen from s. must there be two integers whose sum is 15? why?
Answers
The given set have two integers whose sum is 15 because if we selcet the element from the given set then there sum is equal to 15.
In the given question, let s = {3, 4, 5, 6, 7, 8, 9, 10, 11, 12}. suppose six integers are chosen from s.
We have to check there be two integers whose sum is 15.
As we know that,
Zero, a positive natural number, or a negative integer denoted by a minus sign are all examples of integers. The inverse additives of the equivalent positive numbers are the negative numbers. The letter Z or the chalkboard Z is frequently used to represent the set of integers in mathematical terminology.
There are total 10 elements.
We have to choose two element from the given set which sum is equal to 15.
If we choose 3 and 12 then there sum is 15.
Similarly, if select (5,10), (6,9), (7,8) the sum of all these selection is 15.
So the given set have two integers whose sum is 15.
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A line that models the data is given by the equation y= 1.62x 18 , where y represents the wait time, and x represents the number of staff available. the slope of the line is -1.62. what does this mean in this situation?
Answers
The slope of the line represents the rate of change between the independent variable (number of available staff) and the dependent variable (number of available staff) (wait time).
The slope of the line in this case is -1.62, which means that for every one unit increase in the number of staff available, the wait time decreases by 1.62 units.
In this case, a negative slope indicates that as the number of staff available increases, so does the wait time, indicating a positive relationship between the two variables. In other words, as the number of employees available increases, the wait time decreases.
It is important to remember that the equation models this relationship, and that actual wait times in the real world may not always follow this exact relationship due to other factors that influence wait times.
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Help pleaseeeeeeeeee find the value of x. Round your answer to the nearest tenth
Answers
Answer:
b ,................................
10. Write the equation of the line that is parallel tox-3y = 9 and passes through the point (3,-1).
Answers
Answer:
Equation of the line that is parallel tox-3y = 9 and passes through the point (3,-1) is
\(y+1= - \frac{1}{3} (x-2)\)
Step-by-step explanation:
Slope of line x-3y = 9 is -1/3
Since Parallel lines have same slope. Therefore slope of line passing through the point (3,-1) is also -1/3.
Equation of line in point slope form is given as
\(y-y_1=m(x-x_1)\) ---------- (1)
Here
\(m=-\frac{1}{3} \ \ and \ \ (x_1, y_1)= (3, -1)\)
substituting values in equation (1)
\(y+1= - \frac{1}{3} (x-2)\)