Answer:
A blank one
Step-by-step explanation:
There's no picture
Answer:
Sussy
Step-by-step explanation:
1. There is nothing
2. Imposters are barely visible.
3. Your welcome
Kate earned $10 less this week than last week. this
week she earned $80. which equation can be used
to find a, the amount kate earned last week?
Answer:
Addition. Add 80 + 10 so
Step-by-step explanation:
10. need help with this question-percentages and proof
Answer:
the value increased by0.0388
Step-by-step explanation
4% - 3% equals 0.0388 becuase its the diffrence between them is 0.0388
Question content area top
Part 1
Write an equivalent expression without parentheses. Then simplify the result.
m−(8−3m)
using exponents, On simplifying the equation, we get =4m+8.
The PEMDAS order of operations must be followed when you want to simplify a mathematical equation without using parenthesis (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction). There are no parenthesis in the expression, so you may start looking for exponents. If it does, first make that simpler.
What is the main objective of simplification?Work simplification is to develop better work processes that boost output while cutting waste and costs.
What does simplifying mean in algebra?Simplifying an expression is the same as solving a mathematical issue. When you simplify an equation, you essentially try to write it as simply as you can. There shouldn't be any more multiplication, dividing, adding, or deleting to be done when the process is finished.
Given equation,
m-(8-3m)
=m-8+3m
=4m+8
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Devon bought a new suit that was discounted 40% off the original price. If the original price of the suit was $280, what was the discounted price?
a) $140
b) $392
c) $112
d) $168
Answer:
c
Step-by-step explanation:
When x< 0, the series for e x is an alternating series. Use the alternating Series Estimation Theorem to estimate the error that results from replacing e x by 1 + x + (x 2/2) when - O.1 < x < 0.
The error that results from replacing ex by 1 + x + (x²/2) when -0.1 < x < 0 is x³/6.
When x<0, the series for ex is an alternating series and we are supposed to use the Alternating Series Estimation Theorem to estimate the error that results from replacing ex by 1 + x + (x²/2) when -0.1 < x < 0.
We know that the Alternating Series Estimation Theorem states that the error in an alternating series is less than or equal to the absolute value of the first neglected term.
The first neglected term in this case is (x³/6), so the error is:
Error = |(x³/6)| = x³/6
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x2 + 5x - 36 which binomial is a factor of the polynomial?
the sum of the squared deviation scores is ss = 20 for a population of n = 5 scores. what is the variance for this population? group of answer choices 4 5 80 100
The variance for this population is 5.Hence, the correct option is 5.
Given that, the sum of the squared deviation scores is ss = 20 for a population of n = 5 scores. Now we have to find the variance for this population.
Variances can be found using the formula: variance = s^2 = SS / (n - 1)Here, SS = 20n = 5 We have to substitute the given values into the variance formula, which gives us: s^2 = 20 / (5 - 1)s^2 = 20 / 4s^2 = 5.
So, the variance for this population is 5. Hence, the correct option is 5.
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9 boys can paint a basketball court in 3 hours how long should 1 boy take working at the same rate
Iris's checking account pays simple interest at 4% per year. She has $180 in her account. Write a linear function to model the amount of money in her checking account at any time t.
A(t)=
The amount of money in Iris's checking account can be modeled by a linear function of the form:
y = mt + b
where y is the amount of money in the account, t is the time (measured in years), m is the rate of interest, and b is the initial amount in the account.
In this case, we have m = 0.04 (since the interest rate is 4% per year) and b = 180 (since that's the initial amount in the account). Therefore, the linear function that models the amount of money in Iris's checking account at any time t is:
y = 0.04t + 180
For example, if t = 5 (years), then the amount of money in Iris's checking account is 0.04 * 5 + 180 = 198 dollars.
What are the factors of the function represented by this graph?
y 10
8
-10
-8
-6
6 8
10
(x-4) and (x-8)
(x-4) and (x + 8)
(x+4) and (x-8)
(x+4) and (x + 8)
A.
B.
C.
D.
अ
-2
-2
-2
4
-6
-8
-10.
Answer:
Step-by-step explanation:
Researchers in Japan conducted an experiment on 13 individuals who were extremely allergic to poison ivy. On one arm, each subject was rubbed with a poison ivy leaf and told the leaf was harmless. On the other arm, each subject was rubbed with a harmless leaf and told it was poison ivy. All the subjects developed a rash on the arm where the harmless leaf was rubbed. Of the 13 subjects, 11 did not have any reaction to the real poison ivy leaf. Explain how the results of this study support the idea of a placebo effect.
The patient's belief that the leaf was poison ivy must be the source of the rash (while it actually was harmless unknown to the subjects).
What exactly is the placebo effect?A placebo is something that is identical to the treatment that the treatment group received, except that it does not contain any active components.
The placebo effect is an effect created by a placebo that cannot be attributed to the placebo and is thus caused by the patient's belief in that treatment.
All of the patients developed a rash on their arms where the innocuous leaf was massaged (while being told that the leaf was poison ivy).
On the arm where the poison ivy leaf was applied, 11 of the 13 patients experienced no rash (while being told that the leaf was harmless).
The placebo was the harmless leaf, because a harmless leaf should not contain any active ingredients that could cause harm. The placebo effect is evident since all people believed the leaf was poison ivy (as they were informed) and all received a rash as a result. Because the leaf lacked any active properties that could cause the rash, the source of the rash had to be the patient's belief that the leaf was poison ivy.
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Mr. Márquez had 123 eggs in a refrigerator in his restaurant. He put 32 more cartons of eggs in the
refrigerator. Each carton contained 18 eggs. Which of these is the best estimate of the number of eggs Mr.
Márquez now has in his refrigerator?
A. 600
OB. 400
OC. 700
D. 900
Answer:
700 eggs
Step-by-step explanation:
First take the cartons and determine the number of eggs
32 cartons * 18 eggs per carton
576 eggs
Add the eggs not in cartons
576+123 =699
see image for question. HELP PLEASE
Answer: the last question at the very bottom
Step-by-step explanation:
the graph is not a scatter plot, so its a line plot .
What function is used to draw a line in the frame?
The function that is used to draw a line in the frame is DrawLine function.
What is a DrawLine?DrawLine is simply draws a line connecting the two points that are specified by the coordinate pairs. It should be noted that the drawLine() function is simply an inbuilt function in the GraphicsMagick library that is used to draw the line with specified coordinates.
The function returns the true value on success. In this case, this method is used to draw line form a specified set of points to a specified set of points and it needs a PointF variable that is a set of (x, y) points.
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WILL GIVE BRAINLIEST PLS HELP !!
Answer:
SAS
Step-by-step explanation:
You have two sides and the right angle
There are 38 students in the auditorium, 16 girls and 22 boys. What is the ratio of giris to boys in the auditorium?
Therefore, the ratio of girls to boys in the auditorium is 8:11.
The ratio of girls to boys in the auditorium can be calculated by dividing the number of girls by the number of boys. In this case, there are 16 girls and 22 boys.
Ratio of girls to boys = Number of girls / Number of boys
Ratio of girls to boys = 16 / 22
To simplify the ratio, we can divide both the numerator and denominator by their greatest common divisor, which is 2 in this case.
Ratio of girls to boys = 8 / 11
This means that for every 8 girls, there are 11 boys in the auditorium
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Chef Part A ROOFING A roofer rests a ladder at a height of 12 feet against a building so that the base of the ladder is x feet from the bottom of the side of the building, forming a 71.6° angle with the ladder and ground. Find the distance from the bottom of the ladder to the side of the building. a. Write an equation that can be used to find the distance from the bottom of the ladder to the side of the building. Part B b. How far is the bottom of the ladder from the side of the building? Round to the nearest tenth if necessary.
Answer:
A: tan(71.6°) = (12 ft)/BG4.0 ftStep-by-step explanation:
You want an equation and its solution for the distance from a building to the base of a ladder leaning at an angle of 71.6° to a point 12 ft up the side of the building.
Part A. EquationThe tangent function gives the relation between the legs of a right triangle:
Tan = Opposite/Adjacent
In the attached diagram, that tells us ...
tan(71.6°) = BL/BG
The equation that can be used to find the distance BG is ...
tan(71.6°) = (12 ft)/BG
Part B. DistanceThe solution to the equation is ...
BG = (12 ft)/tan(71.6°) ≈ 4.0 ft
The bottom of the ladder is about 4.0 feet from the side of the building.
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1.Samantha sells ostrich eggs for $2 each and goose eggs for 0.50. For every dollar she earns, she spends $0.10 on feed. If she sells 5 ostrich eggs and 20 goose eggs, how much money does she have left after buying feeds
Answer:
$18
Step-by-step explanation:
Sales price of each ostrich egg = $2
Sales price of each goose egg = $0.50
Amount spent after every dollar earned = $0.10
Number of ostrich eggs sold = 5
Number of goose eggs sold = 20
To find:
Total money left after the feeds are bought?
Solution:
First of all, let us find the total money earned by Samantha.
Money earned by selling ostrich eggs = \(2\times 5\) = $10
Money earned by selling goose eggs = \(20\times 0.50\) = $10
Total money earned by selling both the eggs = 10+10 = $20
Money spent on feeding on every $1 = $0.10
Money spent on feeding on every $20 = 0.10 \(\times\) 20 = $2
Total money left after buying feeds = $20 - $2 = $18
The following table shows the number of candy bars bought at a local grocery store and the
total cost of the candy bars:
Candy Bars: 3, 5, 8, 12, 15, 20, 25
Total Cost: $6.65, $10.45, $16.15, $23.75, $29.45, $38.95, $48.45
If B represents the number of candy bars purchased and C represents the total cost of the candy bars, write the linear model that models the cost of any number of candy bars.
The linear model that represents the cost of any number of candy bars can be written as: C = $1.90B + $0.95
To write the linear model that models the cost of any number of candy bars, we need to find the equation of a line that best fits the given data points. We'll use the variables B for the number of candy bars purchased and C for the total cost of the candy bars.
Looking at the given data, we can see that there is a linear relationship between the number of candy bars and the total cost. As the number of candy bars increases, the total cost also increases.
To find the equation of the line, we need to determine the slope and the y-intercept. We can use the formula for the equation of a line: y = mx + b, where m is the slope and b is the y-intercept.
First, let's find the slope (m) using two points from the given data, for example, (3, $6.65) and (25, $48.45):
m = (C2 - C1) / (B2 - B1)
= ($48.45 - $6.65) / (25 - 3)
= $41.80 / 22
≈ $1.90
Now, let's find the y-intercept (b) using one of the data points, for example, (3, $6.65):
b = C - mB
= $6.65 - ($1.90 * 3)
= $6.65 - $5.70
≈ $0.95
Therefore, the linear model that represents the cost of any number of candy bars can be written as:
C = $1.90B + $0.95
This equation represents a linear relationship between the number of candy bars (B) and the total cost (C). For any given value of B, you can substitute it into the equation to find the corresponding estimated total cost of the candy bars.
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You run 6 miles in 1 hour. At this rate, how mush time would it take to run 27 miles Answer in hours and minutes.
Answer:
4 Hours & 30 Minutes
Step-by-step explanation:
The only thing you have to do is divide 27 by 6 and you get 4.5 which is your answer. This is because each 6 you have is 1 hour so when you have 4.5 it equals 4.5 hours.
What is the quotient?
x-3) 4x2+3x+2
+
O 4x2 + 15 +
47
X-3
O 4x + 15 +
43
X - 3
0 4x2 + 15 +
43
X - 3
0 4x + 15 +
47
X-3
What is the answer ??
The quotient of the division x - 3 | 4x^2 + 3x + 2 is 4x + 15
How to determine the quotientFrom the question, we have the following parameters that can be used in our computation:
x - 3 | 4x^2 + 3x + 2
Using the long division method of quotient, we have
x - 3 | 4x^2 + 3x + 2
The division steps are as follows
4x + 15
x - 3 | 4x^2 + 3x + 2
4x^2 - 12x
------------------------------------------------
15x + 2
15x - 45
------------------------------------------------
47
Hence, the quotient is 4x + 15
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Last Monday Peter gave his son $20.00 as a part of his son's weekly allowance. If the weekly
allowance is $80.00, How many percent of the allowance was given to his son last Monday?
Answer:
40% was given to him
Step-by-step explanation:
80/20 is 4.0
move the decimal
40.0
find the solution of the differential equation that satisfies the given initial condition. dp dt = pt , p(1) = 3
The solution of the differential equation is p(t) = 3e^(t-1).
A differential equation is an equation that connects the derivatives of one or more unknown functions. [1] Applications often involve functions that reflect physical quantities, derivatives that depict the rates at which those values change, and a differential equation that establishes a connection between the three. Due to the prevalence of these relationships, differential equations are widely used in many fields, including engineering, physics, economics, and biology.
The primary focus of studying differential equations is on the solutions—the collection of functions that satisfy each equation—as well as the characteristics of those solutions. Only the most basic differential equations can be solved using explicit formulas, but many features of a particular differential equation's solutions can be deduced without doing an exact calculation.
To find the solution of the given differential equation dp/dt = pt with the initial condition p(1) = 3, follow these steps:
1. Separate the variables: dp/p = dt.
2. Integrate both sides: ∫(1/p) dp = ∫ dt.
3. The integration results in ln|p| = t + C1, where C1 is the integration constant.
4. Solve for p: p(t) = e^(t + C1) = e^t * e^C1.
5. Use the initial condition p(1) = 3: 3 = e^(1) * e^C1.
6. Solve for C1: e^C1 = 3/e.
7. Substitute C1 back into the equation: p(t) = e^t * (3/e).
The solution of the differential equation is p(t) = 3e^(t-1).
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Prism A has a volume of 60 cubic units and a height of 12 units. Prism B has the same base area and height but a length of 15 units for the longest edge
Answer:
As both prism have the same base area and height there volumes are the same.
Step-by-step explanation:
Volume of the prism is given by
Volume of Prism A= base area* height
60 cubic units= base area* 12
base area= 60/12= 5 units
Volume of Prism B= base area* height
= 5 units*12 units
= 60 cubic units
As both prism have the same base area and height there volumes are the same.
The length of the longer side is the length of the triangle itself.
For example the length of longer side of prism A maybe 10 units but width may be 1/2 units
and
the length of longer side of prism B maybe 15 units but width may be 1/3 units
the total base area remains the same.
Answer:60 cubic units
Step-by-step explanation:
A cable television company offers two different pricing plans. Option A charges $11.25 per month plus a
one-time installation feel of $120. Option B charges $18.75 per month plus a one-time installation fee of $60.
After how many months will the cost of Option A be the same as Option B?
Answer:
To find out after how many months the cost of Option A will be the same as Option B, we can set up the following equation:
11.25 * x + 120 = 18.75 * x + 60
Where x represents the number of months.
Subtracting 18.75 * x from both sides gives us:
11.25 * x - 18.75 * x = 60 - 120
Simplifying the left side of the equation gives us:
-7.5 * x = -60
Dividing both sides of the equation by -7.5 gives us:
x = 8
This means that it will take 8 months for the cost of Option A to be the same as Option B.
an important goal of inferential statistical analysis is to:
A important goal of inferential statistical analysis is to generalize results from the study to the target population (option c).
An important goal of inferential statistical analysis is to generalize the findings and results obtained from a study or sample to the larger target population. Inferential statistics involves making inferences, drawing conclusions, and making predictions about a population based on the analysis of a sample.
When conducting a study, it is often impractical or impossible to collect data from the entire population of interest. Instead, a sample is typically selected and studied. Inferential statistics helps researchers make inferences about the population based on the sample data.
By analyzing the sample data using inferential statistical techniques, researchers can estimate population parameters, test hypotheses, determine the significance of findings, and make predictions about the larger population. This allows for generalization of the findings and helps in making informed decisions and drawing conclusions that extend beyond the specific sample studied.
Options A, B, and D are also important goals in statistical analysis, but they are not specific to inferential statistics. Analyzing and describing data (option A) is a goal of descriptive statistics. Determining the validity of theoretical constructs (option B) and measuring the reliability and validity of measurement tools (option D) are goals related to assessing the quality and soundness of research instruments and constructs, but they do not specifically address the goal of generalizing results to a larger population. The correct option is c.
The complete question is:
An important goal of inferential statistical analysis is to:
A. analyze and describe data collected during a study.
B. determine whether theoretical constructs are valid.
C. generalize results from the study to the target population
D. measure the reliability and validity of measurement tools
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hospital director is told that 32% of the emergency room visitors are uninsured. The director wants to test the claim that the percentage of uninsured patients is under the expected percentage. A sample of 160 patients found that 40 were uninsured. Make the decision to reject or fail to reject the null hypothesis at the 0.01 level.
Based on the given information, the decision is to reject the null hypothesis at the 0.01 level.
The null hypothesis in this case would be that the percentage of uninsured patients is equal to or greater than the expected percentage of 32%. The alternative hypothesis would be that the percentage of uninsured patients is less than 32%.
To test the claim, we can use a hypothesis test with a significance level of 0.01. We need to calculate the test statistic and compare it to the critical value.
In this case, the sample size is 160 patients, and 40 of them were uninsured. We can calculate the sample percentage of uninsured patients as 40/160 = 0.25 (or 25%).
Next, we can calculate the test statistic using the formula:
test statistic = (sample percentage - expected percentage) / standard error
The standard error can be calculated as the square root of [(expected percentage * (1 - expected percentage)) / sample size].
After calculating the test statistic, we can compare it to the critical value from the appropriate distribution (in this case, a Z-distribution).
If the test statistic is less than the critical value, we reject the null hypothesis. In this case, since the test statistic falls in the rejection region, we reject the null hypothesis and conclude that there is evidence to support the claim that the percentage of uninsured patients is under the expected percentage of 32% at the 0.01 level.
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please Just give me the right answers thank you
Identify the choice that best completes the statement or answers the question. [6 - K/U] 1. If x³ - 4x² + 5x-6 is divided by x-1, then the restriction on x is a. x -4 c. x* 1 b. x-1 d. no restrictio
The restriction on x when x³ - 4x² + 5x - 6 is divided by x - 1 is x = 1.
How to find the value of x that satisfies the restriction when x³ - 4x² + 5x - 6 is divided by x - 1?When we divide x³ - 4x² + 5x - 6 by x - 1, we perform polynomial long division or synthetic division to find the quotient and remainder.
In this case, the remainder is zero, indicating that (x - 1) is a factor of the polynomial.
To find the restriction on x, we set the divisor, x - 1, equal to zero and solve for x.
Therefore, x - 1 = 0, which gives us x = 1.
Hence, the value of x that satisfies the restriction when x³ - 4x² + 5x - 6 is divided by x - 1 is x = 1.
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Can someone plz help me with this?
Answer:
D
Step-by-step explanation:
because the odds have to be even if the possobility number is even
the graph shows a probability distribution. which probabilities are equal to 0.3? select each correct answer. p(5≤x≤8) p(x≤3) p(x≥3) p(3≤x≤5)
There is no graph provided for reference, but if the graph shows a probability distribution, then the probabilities that are equal to 0.3 would depend on the specific shape and values displayed on the graph.
Without this information, it is impossible to determine which probabilities are equal to 0.3. Based on the given information, the graph represents a probability distribution. To determine which probabilities are equal to 0.3, you would need to analyze the graph (which is not provided). However, I can explain each term:
1. p(5≤x≤8): This represents the probability that x falls between 5 and 8, inclusive.
2. p(x≤3): This denotes the probability that x is less than or equal to 3.
3. p(x≥3): This signifies the probability that x is greater than or equal to 3.
4. p(3≤x≤5): This indicates the probability that x falls between 3 and 5, inclusive.
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