Answer:
270 students dislike carrots.
Step-by-step explanation:
A woman had less than 1,100 with her when she went to the market.She spent all her money and used a certain number 50.00notes and twice as many as 20.00 notes.Find the maximum number of 50.00 notes she used
Answer:
12
Step-by-step explanation:
Let x = number of 50.00 notes.
They are worth 50x
Then, 2x = number of 20.00 notes.
They are worth 2x * 20 = 40x
50x + 40x < 1100
90x < 1100
9x < 110
x < 12.2
Answer: 12
Check:
x = 12 (number of 50.00 notes)
2x = 24 (number of 20.00 notes)
12 * 50 + 24 * 20 = 1080
If she used one more 50.00 note, she'd go over 1,100, so 12 is correct.
a chemist is in 357 mL of a solution of acid and water. if 16.9% of the solution is acid, how many milliliters of acid are there? round your answer to the nearest tenth.
Answer:
The quantity of acid in the solution is 47.1 ml.
Step-by-step explanation:
The music store is having a 15% off sale on all classical music cds. lyell has a coupon for 20% off any classical music cd. how much will lyell save on a classical music cd that has a price of $23.99? a. $7.20 b. $7.68 c. $8.40 d. $9.60 please select the best answer from the choices provided a b c d
Iyell will save $7.68 on a classical music CD that has a price of $23.99.
What does off and coupon means in market?Off means in market - The actual price of the objects/things will be different from the marked price.
Coupon means in market - The actual price of the objects/things will get reduced after applying the coupon.
For example:
1. 20% off on $60.
so, the price of $60 will get reduced by 20%
20% of $60 = ( 20x60 ) /100 = $12
actual price will be $60 - $12 = $48
Here, we have given that the marked price of CD is $23.99
First the 15% off sale will apply on the CD
15% of $23.99 = (15 x 23.99 ) / 100 = $3.5985
now, the price of CD will become, $23.99 - $3.5985 = $20.3915
now, to get maximum discount Iyell will apply the coupon for 20% extra off.
20% of $20.3915 = $4.0783
then, the actual price of CD will become, $20.3915 - $4.0783 = $16.3132
Iyell have save $4.0783 + $3.5985 = $7.68
Hence, Iyell will save $7.68 on a classical music CD that has a price of $23.99.
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Which of the following can be used to guide the choice of the probability distribution for a random variable? forecasting results an objective function likelihood factors historical data
Among the options provided, historical data can be used to guide the choice of the probability distribution for a random variable.
Historical data provides information about past occurrences and can be analyzed to understand the distribution of the variable in question. By examining the frequency and patterns of past observations, one can gain insights into the underlying probability distribution that best represents the random variable.
Forecasting results can also play a role in selecting a probability distribution, as it involves predicting future outcomes based on available data.
The forecasting process may involve evaluating different probability distributions and selecting the one that aligns with the observed patterns and is most suitable for predicting future events.
Likelihood factors and an objective function are not directly related to the choice of a probability distribution. Likelihood factors typically refer to the factors that influence the likelihood of a particular outcome, while an objective function is a measure used to optimize a certain goal or objective.
While these factors may indirectly inform the choice of a probability distribution, they are not specific guidelines for selecting the distribution itself.
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Samantha and Henry are planting flowers and they decided that for every 5 tulips, they would like to plant 3 daisies. They need to plant 24 flowers to fill the garden. What number do they need to put into this tape diagram to get a total of 24 flowers?
Answer:
yw
Step-by-step explanation:
i dont get it
Answer:
Samantha and Henry are would need to plant 15 tulips and 9 daises.
or 3 sets.
There are three positive consecutive integers where the first number times the second number is 7 more than the third number. Find the sum of all 3 integers.
Given that,
The three numbers are consecutive
The three numbers are
x
x + 1
x + 2
Also,
x × (x + 1) = (x + 2) + 7
x² + x = x + 9
x² + x - x = 9
x² = 9
x = √9
x = 3
The three numbers
x = 3
x + 1 = 4
x + 2 = 5
The sum of the three numbers
3 + 4 + 5 = 12
scores on an exam follow an approximately normal distribution with a mean of 76.4 and a standard deviation of 6.1 points. what is the minimum score you would need to be in the top 2%?
The minimum score needed to be in the top 2% of the exam is 90.5, which is two standard deviations above the mean.
To calculate the minimum score needed to be in the top 2%, we need to find the value of two standard deviations above the mean. This can be done using the formula x = μ + (2σ), where μ represents the mean and σ represents the standard deviation. In this case, μ = 76.4 and σ = 6.1. We substitute these values into the formula to get x = 76.4 + (2*6.1), which equals 90.5. Therefore, the minimum score needed to be in the top 2% is 90.5. To further understand this calculation, it is important to note that the normal distribution curve is symmetrical. This means that the area under the curve that is two standard deviations above the mean is 2%, which is the same as the area under the curve that is two standard deviations below the mean. Therefore, the score that is two standard deviations above the mean is the minimum score needed to be in the top 2%.
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Write an equation of the line that passes through the given point and is parallel to the given line.
(2, -3); y = –5
Answer:
y = -3
Step-by-step explanation:
The given line is a horizontal line thru -5 on the y-axis.
Your line is parallel to y = -5, hence is also a horizontal line and passes thru (2, -3). Since -3 is the y-coordinate of that point, y = -3 is the equation of the line you are looking for.
Show that the function defined by df(x,y)=(y2−xy)dx−x2 dy is inexact. Test th integrating factor 1/xy2 to see whether it produces an exact differential. Calculate Hˉ∘(2000 K)−Hˉ∘(0 K) for H(g).
The function df(x, y) = (y^2 - xy)dx - x^2 dy is an inexact differential.
To determine if a function is exact or inexact, we need to check if its partial derivatives with respect to x and y satisfy the condition ∂M/∂y = ∂N/∂x, where df(x, y) = M(x, y)dx + N(x, y)dy.
In this case, we have M(x, y) = y^2 - xy and N(x, y) = -x^2. Calculating the partial derivatives, we find:
∂M/∂y = 2y - x
∂N/∂x = -2x
Since ∂M/∂y is not equal to ∂N/∂x (2y - x ≠ -2x), the function df(x, y) = (y^2 - xy)dx - x^2 dy is inexact.
Next, we can test the integrating factor 1/(xy^2) to see if it produces an exact differential. The integrating factor is denoted by μ(x, y) and is given by μ(x, y) = e^(∫(∂M/∂y - ∂N/∂x)/N dx). If the resulting expression becomes an exact differential, the integrating factor is successful.
In this case, the integrating factor μ(x, y) = e^(∫(2y - x)/(-x^2) dx) = e^(-2y/x). However, integrating factor μ(x, y) does not produce an exact differential, and hence, it is not a suitable integrating factor for this function.
Lastly, the expression H(g) represents the enthalpy change of a substance g. The notation Hˉ∘(2000 K) - Hˉ∘(0 K) indicates the difference in enthalpy between the substance at 2000 Kelvin and 0 Kelvin. To calculate this difference, additional information or a specific equation relating enthalpy change to temperature is needed. Without further details, it is not possible to provide a numerical calculation for Hˉ∘(2000 K) - Hˉ∘(0 K) for H(g).
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find the coordinates of the point where the line 2x+2y=18 meets the circle (x-2)^2+(y-3)^2=16
The two points where the line meets the circle are (3,6) and (8,3).
To find the coordinates of the point where the line 2x+2y=18 meets the circle (x-2)^2+(y-3)^2=16, we need to first solve the system of equations.
We can start by simplifying the equation of the line by dividing both sides by 2, giving us x+y=9. We can then substitute y=9-x into the equation of the circle,
which results in (x-2)^2+(9-x-3)^2=16. Simplifying this equation yields x^2-4x+4+x^2-12x+81=16. Combining like terms and solving for x, we get x=3 or x=8.
Substituting these values back into the equation of the line gives us the corresponding y-coordinates of 6 and 3, respectively.
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someone please help ASAP
the S is on the top of the triangle
From the triangle ABC, we have;
i. tan B = b/a
ii. sin A = a/c
iii. sin B = b/c
iv. cos A = b/c
v. tan A = a/b
Trigonometric functions.Trigonometric functions are basic functions which are required to determine the value of an unknown side, or measure of angle of a given triangle. Some trigonometric functions are: sine, cosine, tangent etc.
From the given triangle, it can be deduced that;
a. tan B = opposite/ adjacent
= b/a
b. sin A = opposite/ hypotenuse
= a/c
c. sin B = opposite/ hypotenuse
= b/c
d. cos A = adjacent/hypotenuse
= b/c
d. tan A = opposite/ adjacent
= a/b
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Tina had d dollars. She bought three cupcakes for her and her friends, which cost c dollars each. How much money does she have left after being so nice?
Answer: $(d-3c)
Step-by-step explanation:
Total amount Tina had = $d
Cost of cupcakes = $c
Number of cupcakes purchased = 3
Therefore,
Total cost of cupcakes = cost per cupcake × number of cupcakes
Total cost of cupcakes = $c × 3 = $3c
Amount left after cupcake purchase:
Total amount Tina had - total cost of cupcakes :
$d - $3c
A car detailing shop charges $30 for materials, plus $50 per hour for labor to paint pinstripes on a car. Which function can be used to find the total cost C(h) to get pinstriping that requires h hours to complete?
The function that can be used to find the total cost C(h) to get pinstriping that requires h hours to complete is; C(h) = 50h + 30
How to create Cost Function?
We are given the following costs in the car detailing shop as follows;
Cost of Materials = $30
Cost per hour for labor = $50
Since the equation of a line in slope intercept form is; y = mx + c, then we can say that the equation here can also be expressed as;
C(h) = 30 + 50h
The function that can be used to find the total cost C(h) to get pinstriping that requires h hours to complete is; C(h) = 30 + 50h
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Determine whether the improper integral \( \int_{0}^{2} x^{2} \ln x d x \) is convergent or divergent.
The improper integral \(\int_{0}^{2} x^{2} \ln x d x\) is convergent.
The given integral is as follows:
\($$\int_{0}^{2} x^{2}\ln x dx$$\)
In order to determine whether the improper integral is convergent or divergent, we use integration by parts and calculate the following:
\($$\int_{0}^{2} x^{2}\ln x dx = \lim_{t \rightarrow 0} \int_{t}^{2} x^{2} \ln x dx$$\\$$= \lim_{t \rightarrow 0} \Biggl(\left[x^{2}\cdot\frac{\ln x}{3}\right]_{t}^{2/3}-\frac{2}{3}\int_{t}^{2/3}x\ln x dx\Biggr)+\int_{2/3}^{2} x^{2} \ln x dx$$\\$$= \lim_{t \rightarrow 0} \Biggl(\frac{4}{9}(\ln2-2\ln3)-\frac{2}{3}\int_{t}^{2/3}x\ln x dx\Biggr)+\int_{2/3}^{2} x^{2} \ln x dx$$\)
Now, we have to determine the value of $$\int_{0}^{2/3} x\ln x dx$$
We use integration by parts here as well:
\($$\int_{0}^{2/3} x\ln x dx = \left[\frac{x^{2}}{2}\ln x \right]_{0}^{2/3} - \int_{0}^{2/3} \frac{x}{2} dx$$\\$$=-\frac{1}{4}\cdot\frac{8}{27}\\=-\frac{1}{27}$$\)
Putting this value back into the initial integral equation, we get:
\($$\int_{0}^{2} x^{2}\ln x dx = \frac{4}{9}(\ln2-2\ln3)-\frac{2}{3}\cdot\frac{-1}{27}+\int_{2/3}^{2} x^{2} \ln x dx$$\\$$= \frac{4}{9}(\ln2-2\ln3)+\frac{2}{81}+\int_{2/3}^{2} x^{2} \ln x dx$$\)
Since the integral on the right side of the equation is finite, the improper integral is convergent.
Answer: Therefore, the improper integral\(\(\int_{0}^{2} x^{2} \ln x d x\)\) is convergent.
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The integral is convergent. Thus, the value of the improper integral is:\[\int_{0}^{2} x^2\ln x \; dx = \frac{8}{3}\ln 2 - \frac{8}{27}\]
The given integral is given below:
\(\[\int_{0}^{2}x^2\ln x \; dx\]\)
To determine whether the integral is convergent or divergent, we need to apply integration by parts, where:
\(\[u=\ln x\] \[dv=x^2 \; dx\]\[du = \frac{1}{x} \; dx\] \[v = \frac{1}{3} x^3\]\)
By applying the formula of integration by parts, we get:
\(\[\int_{0}^{2} x^2\ln x \; dx = \frac{1}{3} \left[x^3 \ln x\right]_0^2-\frac{1}{3}\int_{0}^{2}x^3\frac{1}{x} \; dx\]\[= \frac{1}{3}\left[2^3 \ln 2\right] - \frac{1}{3} \int_{0}^{2} x^2 \; dx\]\[= \frac{8}{3}\ln 2 - \frac{1}{3} \left[\frac{1}{3} x^3\right]_0^2\]\[= \frac{8}{3}\ln 2 - \frac{8}{27}\]\)
Now, let's determine whether the integral is convergent or divergent. As the integrand is continuous on the interval \([0,2]\), it is integrable on this interval.
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Based on the data in the table, how many members would you expect there to be in the band in 2018?
Year Number of Band
Members
2014 40
2015 46
2016 54
2017 64
number of members =
Answer:
About 204 people will go to the band in 2018.
Step-by-step explanation:
64 + 54 + 46 + 40 = 204.
A chemistry class has learned how to read a sensitive high-caliber balance scale (this is not a digital scale). Since most students are very good at reading the scale, the instructor decides it’s time to test their skills. The instructor asks each student to weigh the same 1.6 ounce bag of Peanut M&Ms, and then records each student’s reading of the balance scale. Which histogram shows the distribution of the students’ balance-scale readings?
a. Histogram I
b. Histogram II
c. Histogram III
d. Histogram IV
A histogram is a graph that displays the distribution of data by showing the frequency of values within certain intervals, also known as bins.
The shape of the histogram can give us information about the distribution of the data, such as whether it is symmetrical, skewed, or multi-modal. In the case of the students weighing the 1.6 ounce bag of Peanut M&Ms, the instructor would expect the readings to be relatively close to the true weight, as the students are skilled at reading the balance scale. This means that the distribution of the readings would be close to a normal distribution, which is also known as a bell-shaped or Gaussian distribution. A normal distribution is symmetrical around the mean, with most of the data clustered around the center and tapering off as the values deviate from the mean.
Based on this information, Histogram III best represents the expected distribution of the students' balance-scale readings, as it has a bell-shaped and symmetrical distribution. The other histograms do not have the same shape and symmetry, so they are less likely to accurately represent the distribution of the readings.
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the sides of a triangle are 13ft 15ft and 11 ft find the measure of the angle opposite the longest side
The measure of the angle opposite the longest side is approximately 56.32 degrees.The measure of the angle opposite the longest side of a triangle can be found using the Law of Cosines.
In this case, the sides of the triangle are given as 13 ft, 15 ft, and 11 ft. To find the measure of the angle opposite the longest side, we can apply the Law of Cosines to calculate the cosine of that angle. Then, we can use the inverse cosine function to find the actual measure of the angle.
Using the Law of Cosines, the formula is given as:
\(c^2 = a^2 + b^2 - 2ab * cos(C)\)
Where c is the longest side, a and b are the other two sides, and C is the angle opposite side c.
Substituting the given values, we have:
\(13^2 = 15^2 + 11^2 - 2 * 15 * 11 * cos(C)\)
169 = 225 + 121 - 330 * cos(C)
-177 = -330 * cos(C)
cos(C) = -177 / -330
cos(C) ≈ 0.5364
Using the inverse cosine function, we find:
C ≈ arccos(0.5364) ≈ 56.32 degrees
Therefore, the measure of the angle opposite the longest side is approximately 56.32 degrees.
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Pls help me with this :)
Answer:
looks like school work
Step-by-step explanation:
DO IT ON YOUR OWN
Lenny makes $55,000 and is getting annual raises of $2,500. Karl makes $62,000 with annual raises of $2,000. How many years will it take for Lenny and Karl to make the same salary?
Step-by-step explanation:
55,000 +2,500+62,000+2,000
A car averages 32 mpg. Gas costs $1. 97 per gallon. How much would it cost to pay for the gas if this car made a trip of 866 miles?.
The cost to pay for the gas if this car made a trip of 866 miles cost is $53.31.
A car averages 32 mpg and gas costs $1.97 per gallon.
By unitary method for 866 miles, average would be,
= 866/32
= 27.0625 miles per gallon
and the cost to pay for the gas if this car made a trip of 866 miles would be,
= 27.0625 × $1.97
= $53.31
Therefore, the cost to pay for the gas if this car made a trip of 866 miles cost is $53.31.
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the points (11, 13) and (13, 13) fall on a particular line. What is it's equation in slope- intercept form?
Answer:
y=13
Step-by-step explanation:
Because m=slope=
13 − 13/11 - 13 = 0
therefore we use y=13 because the y value is always the same, and the two point have the same y value.
Three bands and two comics are performing for a student talent show. How many different programs (in terms of order) can be arranged
The different programs (in terms of order) that can be arranged is 120 different ways
Since we are dealing with arrangements, this is a permutation problem.
If there are three bands and two comics performing at a show, the total band will be 5 bands
The number of different programs that can be arranged will be 5!
5! = 5 * 4 * 3 * 2
5! = 60 * 2
5! = 120 ways
Hence the different programs (in terms of order) that can be arranged is 120 different ways
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Draw a scale diagram of 15 mm scale factor of 8
pleaseee help
do u want us to draw it 4 u ? cuz I can
a man weighs 154 pounds and is 70 inches tall. his bmi is
The man's BMI is approximately 22.09 based on his weight of 154 pounds and height of 70 inches.
To calculate the Body Mass Index (BMI) of a person, we use the following formula:
BMI = weight (in kilograms) / height^2 (in meters)
First, we need to convert the weight from pounds to kilograms. Since 1 pound is approximately 0.4536 kilograms, the man's weight of 154 pounds is equal to 69.85 kilograms (rounded to two decimal places).
Next, we need to convert the height from inches to meters. Since 1 inch is equal to 0.0254 meters, the man's height of 70 inches is equal to 1.778 meters (rounded to three decimal places).
Now, we can calculate the BMI using the formula:
BMI = 69.85 kg / (1.778 m)^2
Calculating this expression, we find that the man's BMI is approximately 22.09 (rounded to two decimal places).
In summary, the man's BMI is approximately 22.09 based on his weight of 154 pounds and height of 70 inches.
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an arithmetic sequence that outputs N terms, The general term expression is an=2*n-1, recurrence relation is an=an-1+2(common difference)
Please do C-language coding that represents all of this
EX)
Enter>10
The general term
1,3,5,7,9,11,13,15,19
recurrence relation
1,3,5,7,9,11,13,15,19
The following C code generates an arithmetic sequence with N terms using the given general term expression and recurrence relation:
#include <stdio.h>
int main() {
int N;
printf("Enter the number of terms: ");
scanf("%d", &N);
int sequence[N];
sequence[0] = 1;
for (int i = 1; i < N; i++) {
sequence[i] = sequence[i - 1] + 2;
}
printf("The general term: ");
for (int i = 0; i < N; i++) {
printf("%d ", sequence[i]);
}
printf("\nThe recurrence relation: ");
for (int i = 0; i < N; i++) {
printf("%d ", sequence[i]);
}
return 0;
}
The program starts by including the necessary header file stdio.h for input and output operations.
The main() function is defined, which is the entry point of the program.
A variable N is declared to store the number of terms inputted by the user.
The user is prompted to enter the number of terms using the printf() function and the input is read using the scanf() function.
An array sequence of size N is declared to store the arithmetic sequence.
The first term of the sequence is assigned as 1 (sequence[0] = 1).
A loop is started from i = 1 to N - 1 to calculate the remaining terms of the sequence.
Inside the loop, each term is calculated using the recurrence relation: sequence[i] = sequence[i - 1] + 2.
After calculating the sequence, the program prints the general term by looping through the sequence array and displaying each term using the printf() function.
Similarly, the program prints the recurrence relation by looping through the sequence array and displaying each term.
Finally, the return 0 statement indicates successful program execution and the program terminates.
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Solve: -3 (4r - 8) = -36
What does r equal?
R =
when the consumption schedule lies below the 45-degree reference line, saving:
When the consumption schedule lies below the 45-degree reference line, it means that at every level of income, people are consuming less than their income.
How to explain the informationThe consumption schedule represents the relationship between income and consumption in an economy, while the 45-degree reference line represents the line where income and consumption are equal.
In this scenario, saving occurs because people are not spending all of their income. The difference between their income and consumption is their savings. Thus, the amount of saving in the economy will increase as the consumption schedule moves further below the 45-degree reference line.
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When the consumption schedule lies below the 45-degree reference line, saving what does it means?
3. Which expression is equivalent to 5°?
A. O
B.
C. 1
D. 5
Urgent hurry
Answer:
C. 1
The expression which is equivalent to 5^0
is 1.
Hope it will help :)❤
the mean composite score for seniors who took the sat in 2018 was 1068. if the standard deviation for this same year was 180, what is the raw score for a person with a z score of –0.42?
A person with a Z-score of -0.42 would have a raw score of 992.4 on the SAT taken in 2018.
The standard deviation is a measure of how much the data varies from the mean. A Z-score is a standardized value that represents the number of standard deviations a raw score is from the mean.
To find the raw score given a Z-score, we can use the following formula:
raw score = mean + Z-score * standard deviation
For the mean composite score of 1068 and a standard deviation of 180, we can plug in the values for the Z-score of -0.42:
raw score = 1068 + (-0.42) * 180
raw score = 1068 - 75.6
raw score = 992.4
Note: The Z-score of -0.42 indicates that the raw score is 0.42 standard deviations below the mean.
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A store is Jada's neighborhood sells boxes of pencils that have 6 pencils in each box. Jada bought several boxes of pencils at the store. Which could be the number of pencils she bought?
Answer:
The explanation is given below:
Step-by-step explanation:
The computation of the number of pencils she bought is shown below:
It could be
6 × 2 boxes = 12
6 × 3 boxes = 18
6 × 4 boxes = 24
6 × 5 boxes = 30
6 × 6 boxes = 36
And so on