This is a question on relating proportions and our approach will be to cross-multiply.
\(1.1\colon42=3.3\colon x\)This can be rearranged to get:
\(\begin{gathered} \frac{1.1}{42}=\frac{3.3}{x} \\ \text{Cross multiplying gives:} \\ 1.1x=3.3\times42 \\ x=\frac{3.3\times42}{1.1} \\ x=3\times42=126 \end{gathered}\)x =
Find the area of polygon
Plsss help is for my tmrw finals
The area of each polygon in this problem is given as follows:
a) 252 square units.
b) 65 square units.
How to obtain the area of each polygon?For item a, we have a rectangle of dimensions 12 and 21, hence the area is the multiplication of the dimensions, as follows:
A = 12 x 21 = 252 square units.
For item b, we have a triangle with base 13 and height 10, hence the area is half the multiplication of the base by the height, as follows:
A = 0.5 x 13 x 10 = 65 square units.
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A nurse provides a back massage as a palliative care measure to a client who is unconscious, grimacing, and restless. Which of the following findings should the nurse identify as indicating a therapeutic response? (Select all that apply.)
A. the shoulders droop
B. the facial muscles relax
C. the RR increases
D. the pulse is within the expected range
E. the client draws his legs into a fetal position
A nurse provides a back massage as a palliative care measure to a client who is unconscious, grimacing, and restless.
The therapeutic response that the nurse should identify in the client after a back massage includes relaxing of facial muscles and the pulse remaining within the expected range.
Massage is a fundamental nursing measure that is often utilized as part of palliative care for patients. The purpose of back massage is to promote relaxation, improve blood circulation, reduce muscle tension, and alleviate pain, stress, and anxiety. The nursing assessment of the patient before and after the massage is essential to determine its effectiveness as a therapeutic intervention for the patient.
When providing back massage as a palliative care measure to an unconscious, grimacing, and restless client, the nurse should identify several therapeutic responses as follows;
The shoulders droop: The nurse should expect the shoulders of the client to relax during massage therapy. If this occurs, it is a sign that the patient is experiencing relaxation and tension relief.
The facial muscles relax: Relaxation of the facial muscles is a common therapeutic response during back massage. The nurse should observe the patient's face for any signs of relaxation, which may include softening of facial lines, eyelids drooping, or a general expression of peacefulness.
The respiratory rate (RR) decreases: The nurse should expect the client's respiratory rate to decrease during a back massage. This is because relaxation stimulates the parasympathetic nervous system, resulting in decreased respiratory rate, heart rate, and blood pressure.
The pulse is within the expected range: The nurse should expect the client's pulse to remain within the expected range during a back massage. A normal pulse rate is between 60-100 beats per minute for adults. If the pulse remains within this range, it is a sign that the patient is responding positively to the massage therapy.
In conclusion, providing back massage as a palliative care measure to an unconscious, grimacing, and restless client can help to promote relaxation, improve blood circulation, reduce muscle tension, and alleviate pain, stress, and anxiety. The nurse should identify therapeutic responses in the patient during the massage therapy, which may include relaxation of the shoulders, facial muscles, decreased respiratory rate, and pulse remaining within the expected range.
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Calculate r and r² for the data set. -1 y -3 0 0 1 1 2 4 30 7 Calculate r. r= (Round to four decimal places as needed.). Calculate r². 2 = (Round to four decimal places as needed.) ***
The values of r and r² are 0.8379 and 0.7029 respectively .
The following is the calculation of the correlation coefficient, r and r² for the given data set.-1 y -3 0 0 1 1 2 4 30 7
The formula for calculating r and r² are as follows:
Where, Σx = sum of all values of xΣy
= sum of all values of yΣxy
= sum of the product of each x and y value
Σx² = sum of squares of each x value
Σy² = sum of squares of each y value
N = total number of data points
XiYiXiYiX²iY²i-1-3-30 11 01-3-3 9 99 00 0 0 01 11 1 1 11 22 4 4 43 07 0 0 07 3 1 1 11 4 30 900 16
ΣX = 2
ΣY = 9
ΣXY = 38
ΣX² = 63
ΣY² = 961
N = 6r
= (6 × 38) - (2 × 9) / √[(6 × 63) - (2 × 2)] × [(6 × 961) - (9)²]
r = 0.8379 (rounded to four decimal places)
To calculate r², the following formula will be used:
r² = r x r
= (0.8379)²
= 0.7029 (rounded to four decimal places)
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4. Mario planted a total of 150 eggplant and pepper seedlings. If he planted 50%
more pepper seedlings than the eggplants, how many pepper seedlings did he
plant?
Answer:
225 pepper seedlings.
Step-by-step explanation:
WAY 1: common sense
half of 150 is 75
75 + 150 = 225
WAY 2: % of number
convert % to decimals (/100)
0.5 x 150 = 75
150 + 75 = 225
–4(5x) please please please
Step-by-step explanation:
-4(5x)-20xAnswer:
-20x
Step-by-step explanation:
The ratio of the areas of two similar
parallelograms is 4:9. Find the height of the
bigger one if the smaller is of height 4cm.
Answer: 6 cm
Step-by-step explanation:
Given: The ratio of the areas of two similar parallelograms is 4:9.
To find : The height of the bigger one if the smaller is of height 4 cm.
Let h be the height of the bigger one.
Since the areas of similar figures are proportional to the square of their corresponding sides.
Then, \(\dfrac{4^2}{h^2}=\dfrac{4}{9}\)
\(\dfrac{16}{h^2}=\dfrac{4}{9}\\\\\Rightarrow\ h^2=\dfrac{9}{4}\times16\\\\\Rightarrow\ h^2=36\\\\\Rightarow\ h= 6\ cm\ \ \ \ \text{[ height cannot be negative.]}\)
Hence, the height of bigger parallelogram = 6 cm
PLEASE help
Allen mixes 1 cup of water that is 150°F and 1 cup of cold chicken broth that is 50°F. The end temperature of the mixture would be about___________
. Chris combines 2 cups of soup that is 50°F with 1 cup of water that is 150°F. The end temperature of the mixture would be ______
Answer:
1) 100 degrees F
2) 50 degrees F
Step-by-step explanation:
its just simple subtraction
Stereo Inc. sells a stereo system for $400 down and monthly payments of $90 for the next 4 years. If the interest rate is 2.75% per month, find:
a) The cost of the stereo.
Answer = $
b) The total amount of interest paid.
Answer = $
a) The cost of the stereo system is $4,760.
b) The total amount of interest paid is $1,760.
To find the cost of the stereo system, we need to calculate the sum of the down payment and the total of monthly payments over 4 years. The down payment is $400, and the monthly payment is $90 for 48 months (4 years). Thus, the total cost of the stereo system is $400 + ($90 × 48) = $4,760.
To calculate the total amount of interest paid, we need to subtract the initial principal amount (down payment) from the total cost of the stereo system. The initial principal amount is $400, and the total cost is $4,760. Therefore, the total interest paid is $4,760 - $400 = $1,760.
In summary, the cost of the stereo system is $4,760, and the total amount of interest paid is $1,760.
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If Ben ran 6 miles a day for twenty-eight days, how many total miles did he
run?
All we need to do is multiply.
6 miles * 28 days = 168 total miles ran in 28 days.
Therefore, the answer is 168 miles
Best of Luck!
describe la vida en el barrio que se desarrolla en la pelicula los olvidados de Luis Buñuel teniendo en cuenta sus condiciones economicas y sociales atravez de las distintas actividades desarrolladas por los vecindarios
Life in the neighborhood depicted in the film "Los Olvidados" is characterized by challenging economic and social conditions.
How do the economic and social conditions shape life in the neighborhood?The neighborhood in "Los Olvidados" is portrayed as a poverty-stricken area where the residents struggle to make ends meet. The film explores the lives of marginalized individuals most particularly young boys, who are caught in a cycle of poverty, violence, and neglect.
The economic conditions in the neighborhood are harsh, with limited opportunities for employment and a lack of access to basic necessities. As a result, the residents are often forced into criminal activities to survive leading to a high level of violence and crime within the community.
Moreover, the social conditions exacerbate the challenges faced by the neighborhood. There is a sense of abandonment and neglect from the government and wider society with little support or resources available to address the issues faced by the residents.
Full question:
Describes life in the neighborhood that takes place in the film Los Olvidados by Luis Buñuel, taking into account their economic and social conditions through the different activities carried out by the neighborhoods.
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Liam bought a plant and planted it in a pot near a window in his house. Let H represent the height of the plant, in inches, t months since Liam bought the plant. A graph of H is shown below. Write an equation for H then state the y-intercept of the graph and determine its interpretation in the context of the problem.
The equation of the function is: H = 4t + 10.
The y-intercept of the function is 10, which is the height of the plant when Liam initially bought it.
How to Write the Equation of a Function?To write the equation of a function, first, find the slope (m) = rise / run. You can pick any two points on the line to find the slope. Next, find the y-intercept (b) which is the point where the line intercepts the vertical axis of the graph.
Find the slope using the two points from the given graph, (5, 30) and (10, 50):
Slope (m) = change in H / change in t = (50 - 30) / (10 - 5) = 20/5
m = 4
The y-intercept is b = 10 [in this context, it is the height of the plant when Liam initially bought it]
To write the equation of the function, substitute m = 4 and b = 10 into H = mt + b:
H = 4t + 10
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The tax rate schedule gives the following information: If your filing status is and the amt on line But not over The tax is 11b is more than $12,750 $60,000 $765 + 7% of the amount over $12.750 Single Calculate the taxed owed by a single taxpayer whose taxable income was $38.650.
Answer:
PLSS HELP I NEED TO AWNSER HOW DO I?
Step-by-step explanation:
if the marks of students in a class are [110,70,30,80,90,64] then what is the median of these marks?
Answer:
The Median is 75
Step-by-step explanation:
Medianmedian is the middle number in a set of given numbers
arranging in order will be
30,64,70,80,90,110
the middle numbers are 70 and 80
Median=80+70/2
=150/2
Median=75
Which of the following expressions is an example of a binomial?
−x³ + 5x
3x+1
x
0 - 2x³.
O
O
tion (0: 57858
x² + 4x + 2
For a line that contains the point (3, 4) and has a slope of 4, please name another point on this line. Show the work you did to find this answer.
Answer:
y = 4x - 8
Step-by-step explanation:
y = 4x + b
4 = 4(3) + b
4 = 12 + b
-8 = b
Tom drives at a steady speed covering 1 mile every minute. He comes to a
section of road where the speed limit is 50 mph.
Is he over the speed limit? Give a reason for your answer.
Answer:
Yes he is over the speed limit.
Step-by-step explanation:
1 mile per minute * 60 minutes (1 hour) = 60 miles per hour
60 > 50
Ryan and Carlos are getting in shape for football season. Ryan starts at 140 pounds and gains two pounds per week. Carlos starts at 195 pounds but
loses three pounds per week. In how many weeks will they both weigh the same amount, and what will that weight be? (Hint: these are y = equations)
Answer:
In 11 weeks they will both be 162lbs each
Step-by-step explanation:
i need help in this qs :0
Answer:3x+6=2x+21 base angle of isosceles triangle
3x-2x=21-6
X=15
<J=3×15+6=51
<k=2×15+21=51
,<I=180-51-51=78
Step-by-step explanation:
A rectangular garden is fenced on all sides with 270 feet of fencing.The garden is 9 feet longer than it is wide.Find the length and width of the garden.
Answer:
30
Step-by-step explanation: 270 divided by 9
hope it helps
HELP HELP PLEASE!! D:
Determine the missing side length!!
PLEASE NO CAP!!
Answer:
the missing side length = 3
Step-by-step explanation:
Hello There!
This is a 30 - 60 - 90 degree special right triangle
We know this because in these types of triangle the hypotenuse is equal to twice the short leg
\(\sqrt{3} *2=2\sqrt{3}\)
to calculate the missing side length (which is the long leg)
we multiply the short leg by \(\sqrt{3}\)
\(\sqrt{3} *\sqrt{3} =3\)
so the missing side length is 3
The elephants at the Hancock Zoo are fed 4 9/10 barrels of corn each day. The buffalo are fed 1/6 as much corn as the elephants. How many barrels of corn are the buffalo fed each day?
Write your answer as a fraction or as a whole or mixed number.
PLEASE PLEASE PLEASE HELP
Answer: 49/60 of corn
Step-by-step explanation:
How I got this answer was I basically paid attention to the wording. 1/6 as much meaning x 1/6. So, I converted 4 9/10 to a fraction and got 49/10. Then, I multiplied 49/10 by 1/6 and got 49/60. The fraction can't be simplified any lower, so it is supposed to be left as is. Hope this helped!
test the claim about the population mean μ at the level of significance α. assume the population is normally distributed. claim: μ>29; α=0.05; σ=1.2 sample statistics: x=29.3, n=50
Based on the sample data and the hypothesis test, there is sufficient evidence to support the claim that the population mean μ is greater than 29 at the significance level of 0.05.
What is the mean and standard deviation?
The standard deviation is a summary measure of the differences of each observation from the mean. If the differences themselves were added up, the positive would exactly balance the negative and so their sum would be zero. Consequently, the squares of the differences are added.
To test the claim about the population mean μ at the level of significance α, we can perform a one-sample t-test.
Given:
Claim: μ > 29 (right-tailed test)
α = 0.05
σ = 1.2 (population standard deviation)
Sample statistics: x = 29.3 (sample mean), n = 50 (sample size)
We can follow these steps to conduct the hypothesis test:
Step 1: Formulate the null and alternative hypotheses.
The null hypothesis (H₀): μ ≤ 29
The alternative hypothesis (Hₐ): μ > 29
Step 2: Determine the significance level.
The significance level α is given as 0.05. This represents the maximum probability of rejecting the null hypothesis when it is actually true.
Step 3: Calculate the test statistic.
For a one-sample t-test, the test statistic is given by:
t = (x - μ) / (σ / √(n))
In this case, x = 29.3, μ = 29, σ = 1.2, and n = 50. Plugging in the values, we get:
t = (29.3 - 29) / (1.2 / √(50))
= 0.3 / (1.2 / 7.07)
= 0.3 / 0.17
≈ 1.76
Step 4: Determine the critical value.
Since it is a right-tailed test, we need to find the critical value that corresponds to the given significance level α and the degrees of freedom (df = n - 1).
Looking up the critical value in a t-table with df = 49 and α = 0.05, we find the critical value to be approximately 1.684.
Step 5: Make a decision and interpret the results.
If the test statistic (t-value) is greater than the critical value, we reject the null hypothesis; otherwise, we fail to reject the null hypothesis.
In this case, the calculated t-value is approximately 1.76, which is greater than the critical value of 1.684. Therefore, we reject the null hypothesis.
hence, Based on the sample data and the hypothesis test, there is sufficient evidence to support the claim that the population mean μ is greater than 29 at the significance level of 0.05.
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what is 8 1/2 + 1/3 + 6 11/12=? in fractions
Answer:
15 9/12
Step-by-step explanation:
convert the denominator 2 into 12 and do the same for the 1/3 then multiply the number by the amount it took you to get the denominator of 12
The sum of two numbers is 544. One of the numbers is 300. What is the other number?
Answer:
244
Step-by-step explanation:
\(544 - 300 = \\ 244\)
draw a model that shows 26 pack of candy bars divided equally among 7 people how many candy bars will each person have? Also it’s like this
Need help quick please!!!
Could you please explain the answers to both questions? Thanks!
Determine the coordinates of Q(6, −4) after a reflection in the line x=2
The coordinates of (6, -4) after a reflection in the line x = 2 are:
(-4, -4)
What are the coordinates after the reflection?If we have a point (x, y) and we do a reflection in the line x = a, the new coordinates of the point will be:
(a - x, y)
In this case, we have (6, -4) and the line of reflection is x = 2, then the coordinates after the reflection are:
(2 - 6, -4) = (-4, -4)
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13. The following data are the amounts of
potassium, in grams, per serving in randomly
selected breakfast cereals.
I need help
3 Answers
Choice B) Billy misidentified the first quartile valueChoice C) Billy misidentified the medianChoice D) Billy misidentified the third quartile valueThe correct box plot is shown below.
=====================================================
Explanation:
The first step when constructing a box plot is to sort the data from smallest to largest. That has already been done for us, so we can move to the next step.
For step 2, we need to find the median. This is the middle-most value. Write out all of the values on one horizontal line. Then cross off the first and last values. You'll end up with a smaller set, with two values tossed out. Repeat this process (cross off the first and last items) and keep doing this until you work your way toward the very middle position. There are 19 numbers in this list, which is an odd number, this means that the middle value is in slot 10 (note how 19/2 = 9.5 which rounds to 10). We have 9 values below the median and 9 values above the median. So 9+1+9 = 19 items total.
You should find that the value 55 is at slot 9, and at the very middle. So 55 is the median. Billy marked on the box plot that the median is at 50, so this is one mistake he made. Choice C is one of the answers
Note: the median is the vertical bar inside the box of the box-and-whisker-plot.
-----------------------------
Once you have the median, break the list into two halves like so:
L = {25,25,30,30,35,35,40,45,50}
U = {60,60,60,70,85,90,95,95,105}
L is the lower set of values smaller than the median, U is the upper set of values larger than the median. Set L and set U have 9 items each. Note the median of 55 is not part of set L nor is it part of set U either.
Repeat the process to find the median, but you'll do so on sets L and U separately. The median of set L is 35, so this is the value of Q1 or the first quartile.
The left edge of the box is the visual location of Q1. We can see that Billy marked Q1 at 30, but it should be at 35. So this is another mistake he made. Choice B is one of the answers
The median of set U is 85. We have four values below 85, and four values above 85 in set U. This makes Q3 to be 85. However, Billy marked the third quartile at 80 instead of 85. This is another mistake. Choice D is one of the answers.
--------------------------------
To summarize his 3 mistakes, they are:
He misidentified Q1 (Choice B)He misidentified the median (Choice C)He misidentified Q3 (choice D)The good news is that he got the minimum correct because 25 is the smallest value. The min value is the left-most tip of the left whisker. The max is also in the correct location since 105 is the largest item. As you can probably guess, the max is located at the right-most tip of the right whisker.
See the attached image below to see how Billy should have drawn the box plot.
Which numbers are 9 units from −5 on this number line?
Drag and drop the two numbers that are 9 units from −5 to their correct position on the number line.
Answer:
4 and -14
Step-by-step explanation:
easily compute by -5+9 and -5-9 (9 is 9 units far from -5)
-5+9= 4-5-9= -14the probability that a discrete random variable equals any of its values is
The probability that a discrete random variable equals any of its values is 1. This is because each discrete random variable can take any value within its range with equal probability.
X is a discrete random variable, then for any value x that X can take on, the probability P(X=x) is a number between 0 and 1. This means that there is a non-zero probability for each possible value of X. The sum of the probabilities of all possible values of X must equal 1. This is known as the probability distribution of X.
Mathematically, we can express this as:
0 ≤ P(X=x) ≤ 1 for all x
∑ P(X=x) = 1 over all possible values of x
For example, if X represents the outcome of a fair six-sided die roll, then the probability of X equaling any of its values (1, 2, 3, 4, 5, or 6) is 1/6, since each outcome has an equal probability of occurring and there are six possible outcomes. Therefore, P(X=1) = P(X=2) = P(X=3) = P(X=4) = P(X=5) = P(X=6) = 1/6 and the sum of these probabilities is 1.
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