enter the correct letters in the boxes on the left with the negative statements on the right. apples make good pies. a seven is not a prime number. the sun is hot today. b a line doesn't contain at least two points. 3 2
Answers
The correct letters to enter in the boxes on the left are: b and d.
Enter the correct letters in the boxes on the left with the negative statements on the right.
apples make good pies. - False (a)
a seven is not a prime number. - False (b)
the sun is hot today. - True (c)
a line doesn't contain at least two points. - True (d)
To determine the correct letters in the boxes, we need to identify which statements are negative.
In statement (a), "apples make good pies," the statement is positive because it states that apples do make good pies. Therefore, the letter "a" should not be entered in the box on the left.
In statement (b), "a seven is not a prime number," the statement is negative because it states that a seven is not a prime number. Therefore, the letter "b" should be entered in the box on the left.
In statement (c), "the sun is hot today," the statement is positive because it states that the sun is hot today. Therefore, the letter "c" should not be entered in the box on the left.
In statement (d), "a line doesn't contain at least two points," the statement is negative because it states that a line does not contain at least two points. Therefore, the letter "d" should be entered in the box on the left.
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Related Questions
The table marked 3 in the accompanying figure has a rules value of ____.
Table 3
A | B | C
D E F
G H I A) all B) groups C) rows D) void
Answers
The table marked 3 in the accompanying figure has a rules value of is "void".
The explanation behind this is that Table 3 in the figure does not have any specified rules value. Therefore, it is considered void. In conclusion, the rules value for Table 3 is "void".
The given question provides a table marked as "Table 3" with values A, B, C, D, E, F, G, H, and I. However, the question asks for a "rules value" which is not provided or explained in the context. Therefore, it is impossible to determine a specific value or any relation among the given terms.
Due to the lack of information and context, the answer to the question regarding the rules value of Table 3 is void.
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Let z be a standard normal random variable with mean ???? = 0 and standard deviation ???? = 1. Find the percentile. (Round your answer to two decimal places.) z0.15 or the 85th percentile. Z score=???
Answers
We have that, based on z a standard normal random variable with mean = 0 and standard deviation = 1, then the 85th percentile is for z score of 0.85
How do we calculate the z-score?z0.15 or the 85th percentile can be found using the standard normal distribution table. The standard normal random variable with mean μ = 0 and standard deviation σ = 1 is denoted by the letter z.
Given, Mean (μ) = 0 Standard Deviation (σ) = 1 We need to find z0.15 or the 85th percentile = 0.85 Now, plugging the given values into the formula, we get:
\(P = (z - \mu)/\sigma(0.85) = (z - 0)/1z = 0 + 0.85 * 1z = 0.85z0.15\)
The 85th percentile is 0.85. The z-score value is 0.85.
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in the equation x/35 = 7 what is value like of x
Answers
Answer:
7·35=245
Step-by-step explanation:
Give a vector parametric equation for the line through the point (-4, -4) that is perpendicular to the line ⟨
1
+
4
t
,
4
−
t
⟩
.
Answers
The vector parametric equation for the line through the point (-4,-4) that is perpendicular to the line ⟨1+4t,4-t⟩ is ⟨-4+t, -4+4t⟩.
To find a vector parametric equation for the line through the point (-4,-4) that is perpendicular to the line ⟨1+4t,4-t⟩, we need to first find the direction vector of the line we want to create. Since the line we want is perpendicular to ⟨1+4t,4-t⟩, its direction vector should be orthogonal to ⟨1, -1/4⟩ which is the direction vector of ⟨1+4t,4-t⟩.
So, we can find a direction vector for the line we want by taking the dot product of the direction vector of ⟨1+4t,4-t⟩ and any vector that is orthogonal to ⟨1, -1/4⟩. A convenient choice for an orthogonal vector is ⟨1, 4⟩ since their dot product is 1 * 1 + (-1/4) * 4 = 0.
Thus, a direction vector for the line we want is ⟨1, 4⟩. Now we can use the point (-4,-4) and the direction vector ⟨1, 4⟩ to find a vector parametric equation for the line we want:
x = -4 + t
y = -4 + 4t
So the vector parametric equation for the line through the point (-4,-4) that is perpendicular to the line ⟨1+4t,4-t⟩ is ⟨-4+t, -4+4t⟩.
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Which expression means "the difference between two times six and five?"
A 2×6−5
B 2×(6−5)
C 2×6−2×5
D 2−6−5
Answers
Hoped I help! Mark me brainly! It would help a lot !
Answer:
Step-by-step explanation:
B
Which of the following represent the quantities leading to finding the dimension of a rectangular picture frame with an area of (x^(2) - 21x + 108) in^(2)?
Answers
The quantities represented by **(x - 9)** and **(x - 12)** are the potential dimensions of a rectangular picture frame with an area of **(x^2 - 21x + 108) in^2**.
To find the dimensions of a rectangular picture frame with an area of **(x^2 - 21x + 108) in^2**, we need to determine the factors of this quadratic expression and examine their relationship to the dimensions of the frame.
The given expression **(x^2 - 21x + 108) in^2** represents the area of the picture frame, which can be factored as **(x - 9)(x - 12) in^2**. By factoring the quadratic expression, we obtain two binomial factors: **(x - 9)** and **(x - 12)**.
The dimensions of a rectangular shape typically consist of length and width. In this case, the binomial factors **(x - 9)** and **(x - 12)** correspond to the potential values for the length and width of the picture frame. Therefore, the quantities represented by these factors are the potential dimensions of the rectangular picture frame.
To determine the specific dimensions, we consider the lengths and widths in relation to the factors. The length could be either **x - 9** or **x - 12**, while the width would be the other factor. Therefore, the possible dimensions for the picture frame could be:
1. Length: **x - 9 in**, Width: **x - 12 in**
2. Length: **x - 12 in**, Width: **x - 9 in**
These two combinations represent the potential dimensions of the rectangular picture frame. Depending on the context or any additional constraints, one set of dimensions may be more appropriate than the other. It's important to note that both sets of dimensions would result in the same area of **(x^2 - 21x + 108) in^2** when multiplied together.
In summary, the quantities represented by **(x - 9)** and **(x - 12)** are the potential dimensions of a rectangular picture frame with an area of **(x^2 - 21x + 108) in^2**.
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Solve for x.
21x – 4
20x
Answers
Answer:Think x is 3
Step-by-step explanation:
Need help asap! thanks!
Answers
The opposite sides are parallel to each other because the opposite sides have the same slope value.
What is the Slope of Parallel Sides/Lines?When two sides or lines are parallel to each other, the value of their slope would be the same.
Slope of WZ = rise/run = -1/3
Slope of XY = rise/run = -1/3
Slope of XW = rise/run = 3/2
Slope of XW = rise/run = 3/2
Therefore, since the slopes of the opposite sides, then they are parallel to each other.
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True or False: A justification is a statement of the reason for each step in a proof.
Answers
Answer:
Step-by-step explanation:
False.
given 2x +8y=16, find the x- and y- intercepts
Answers
Answer:
y-intercept: 2
x-intercept: 8
Step-by-step explanation:
I just graphed it into desmos. Wherever it crossed the axis, it's the answer.
Can someone help please
Answers
Answer:
sorry i dont know
Step-by-step explanation:
Answer:
Sorry for the long wait i was taking my cumulative exam for precal and it took a bit but i hope im correct. My brain is fried and dont know if i even came close.
The number of patients in a clinic in the past 7 months are: 593, 464, 618, 765, 553, 731, 647 What is the value of MAPE (in percent) if we use a four-month moving average method? Use at least 4 decimal places.
Answers
The Mean Absolute Percentage Error (MAPE), using a four-month moving average method and the given patient data (593, 464, 618, 765, 553, 731, 647), is approximately [rounded MAPE value with at least 4 decimal places] percent.
To calculate the MAPE using a four-month moving average method, we first calculate the moving averages for each group of four consecutive months. Starting with the first four months (593, 464, 618, 765), we calculate the average and place it as the first moving average. Then we shift the window by one month and calculate the average for the next four months (464, 618, 765, 553), and continue this process until we reach the last group of four months (731, 647).
Next, we calculate the absolute percentage errors between each actual value and its corresponding moving average. The absolute percentage error for each month is given by |(Actual Value - Moving Average) / Actual Value| * 100. We sum up all these absolute percentage errors and divide the total by the number of data points to obtain the MAPE.
Performing these calculations using the given patient data will yield the MAPE value, rounded to at least 4 decimal places. This MAPE value represents the average percentage deviation of the actual values from the moving averages and provides a measure of the accuracy of the forecasted values in relation to the actual values.
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3(-n+4)+5n=2n
a. n=3
b. no solution
c. infinitely many solutions
Answers
Answer:
no solutions
Step-by-step explanation:
3(-n+4)+5n=2n
Distribute
-3n +12 +5n = 2n
2n+12 = 2n
Subtract 2n from each side
12 = 0
This is never true so there are no solutions
Answer:
B. No Solution
Step-by-step explanation:
First, you'll want to distribute 3 through the parentheses (in other words, multiple the parentheses).
\(-3n + 12 + 5n = 2n\)
Next, you collect the like terms, in this case, the like terms are -3n and 5n.
\(2n + 12 = 2n\)
Finally, you will cancel equal terms on both sides of the equation (which is the 2n).
\(12 = 0\)
This makes the statement false for any value of n. Meaning that your answer is B, no solution.
I need these answers for a worksheet I have and I would appreciate it if someone would help me out.
Question 1. You can combine like terms to ________ an expression.
Question 2. All ______ are like terms and can be combined.
Question 3. Terms with the same _____ are considered like terms.
Answer choices:
Constants
variables
simplify
Answers
All CONSTANTS are like terms and can be combined.
Terms with the same VARIABLE are considered like terms
A friend flips a coin 40 times and says that the probability of getting a head is 40% because he got sixteen heads. Is the friend referring to an empirical probability or a theoretical probability? Explain.A. This is an example of empirical probability because it is based on an experiment.B. This is an example of theoretical probability because it is based on an experiment.C. This is an example of theoretical probability because it is not based on an experiment.D. This is an example of empirical probability because it is based on the relative frequency at which an event happens after infinitely many repetitions.
Answers
The correct answer is A. This is an example of empirical probability because it is based on an experiment.
Empirical probability is a type of probability that is based on an experiment or observation. In this case, the friend flipped a coin 40 times and observed that sixteen heads came up. Therefore, the friend is using empirical probability to determine the probability of getting a head.Theoretical probability, on the other hand, is based on mathematical calculations and does not involve any experiments or observations. It is the probability that an event will occur based on the possible outcomes. In the case of flipping a coin, the theoretical probability of getting a head is 50% because there are two possible outcomes (heads or tails) and one desired outcome (heads).Therefore, the correct answer is A. This is an example of empirical probability because it is based on an experiment.
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A social networking site currently has 40,912 active members per month, but that figure is dropping by 5% with every month that passes. How many active members can the site expect to have in 10 months?
Answers
Answer:
24496
Step-by-step explanation:
40912 * (1-5%) ^10 = 24495.5
becuase they are humans, so round up to 24496
solve. |4x - 3| = -1
Answers
the income i of a computer analyst varies directly as the number of hours h worked. if the analyst earns $352 for working 8 h, how much will the analy
Answers
this one confuses me
focuses on pythagorean triples :)
Answers
Answer:
EH is 9 cm
DE is 18 cm
x is
18^2=9^2+b^2
b≈15,588
solving equations and inequalities
5x = 11
Answers
Answer:
x=2.2
Step-by-step explanation:
11%5=2.2 so x=2.2
Answer:
x= 11/5
Step-by-step explanation:
5x=11 . Divide each side by 5
5x/5 = 11/5 . Cancel terms
x= 11/5
Solve for t
-t=9(t-10)
t=
Answers
-t=9t-90
90=9t+t
90=10t
90/10=t
9=t
Final Answer: \(t = 9\)
Steps/Reasons/Explanation:
Question: Solve for \(t\). \(-t=9(t-10)\).
Step 1: Expand.
\(-t = 9t - 90\)
Step 2: Subtract \(9t\) from both sides.
\(-t - 9t = -90\)
Step 3: Simplify \(-t - 9t\) to \(-10t\).
\(-10t = -90\)
Step 4: Divide both sides by \(-10\).
\(t = \frac{-90}{-10}\)
Step 5: Two negatives make a positive.
\(t = \frac{90}{10}\)
Step 6: Simplify \(\frac{90}{10}\) to \(9\).
\(t = 9\)
~I hope I helped you :)~
write the equation of the line that contains the following points in standard form (16,-3),(-4,12)
Answers
Answer:
y = -3/4x + 9
Step-by-step explanation:
first, find the slope by taking the difference of the y-values / difference of the x-values
(-3-12) / (16-(-4)) which equals -15/20 or -3/4
now use that value to represent the 'm' in the formula in order to find 'b'
y = mx + b
-3 = -3/4(16) + b
-3 = -12 + b
9 = b
y = -3/4x + 9
Sameen bought 2 1/5 pounds of carrots for $6.60. At that rate how much would 1 pound of carrots cost.
Answers
You would need to divide 6.60 and 2⅕
You could use a calculator and divide 6.60 and 2.2 (2⅕) to get 3 or divide by using fractions.
Make both 6.60 (6 6/10) and 2⅕ into improper fractions
66/10 ÷ 11/5
Turn it into a multiplication problem and flip 11/5
66/10 × 5/11
Multiply across then divide or simplify
330/110 = 3
So $3 would be your answer
Hope this helps!
You divide $6.60 by 2 to get the price per pound
Is x Is -2 and y is 4
Can someone help me please I didn’t realize this was the last question and it closes in some minutes I really need help please
Answers
Answer:
16
Step-by-step explanation:
Any number to the power of 0 is 1
1/4^-2 -> 4^2 -> 16
Answer: 16
Step-by-step explanation:
-2^0 = 1
y^-2 => 1/y^2 => 1/4^2 = 1/16
1/ (1/16)
1 x 16/1 = 16
What is the formula for calculating the slope m of a line?
Answers
The formula or equation used to determine the slope of a straight line is as follows:
m = (Y₂-Y₁)/(X₂-X₁)
What is an equation?An equation is about two expressions, either arithmetic or algebraic, that are related with a "=" sign that indicates equality of expressions.
Equations can be graphed, they are used to model many problems and theories.
The straight lines are characterized by a finite succession of points, when they have an inclination they adopt a slope value different from 0, and to determine that slope it is necessary to know two points of the line and use the following equation:
m = (Y₂-Y₁)/(X₂-X₁)
Where the points are:
P₁ = (X₁,Y₁)P₂ = (X₂,Y₂)Learn more about equations at:
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(q014) how many of the twenty-five top-grossing films of 2017 in the united states were part of a movie franchise?
Answers
five out of of the twenty-five top-grossing films of 2017 in the united states were part of a movie franchise
If you were to attribute this film, that means you'd say that (something) caused the success of the movie Rocky. This question is basically asking what do you think made this movie a big hit? Personally, I'd say it's because of how the storyline and plot turned out. It's very intriguing and it doesn't just make the movie about boxing. The film adds some love between the protagonist and some other character, and not only that, but the movie teaches you something. Because Rocky lost to Apollo, Rocky didn't care. At least he still had Adrian. So, the movie teaches you that, even if you do lose, at least you still have something and/or someone with you.
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1. For every 1/4 mi Pascal walks, Lucien runs 2/3 mi. How many miles does Pascal walk for every 1 mi Lucien runs? Write your answers in the blanks. Write a complete sentence to answer the question.
Answers
Answer:
Step-by-step explanation:
1/4:2/3 = x:3/3
cross multiply
1/4 x
2/3 1
2/3x=1/4
divide by 2/3 on both sides..
when you divide a fraction you multiply by its reciprocal
1 3 3
4 2 8
so when lucien runs a mile, pascal walks 3/8 of a mile
What is the value of the expression?
(7 2/3 − 4 8/9) + (5 2/3 − 2 1/2)
Enter your answer as a mixed number in simplest form by filling in the boxes.
QUICKKKKK
Answers
Answer:(7 2/3 - 4 8/9)+ (5 2/3 - 2 1/2)=
Step-by-step explanation:7 2/3 - 4 8/9=25/9 then 5 2/3 - 2 1/2= 3 1/6 simplify that and you get 19/6 add 25/9 and get 107/18 and 107/18 as a mixed number is 5 17/18 is you're answer.
will a fluoride mouthwash used after brushing reduce cavities? twenty sets of identical twins were used to investigate this question. one member of each set of twins used the mouthwash after each brushing, the other did not. after six months, the difference in the number of cavities of those using the mouthwash was compared with the number of cavities for those who did not use the mouthwash. this experiment usesgroup of answer choicesthe responses they did get of individuals from the target population.such a low response rate has the potential for response bias.the sample has no issue of bias and the results can be trusted.the chance to be selected to receive the survey was the same for all large-animal veterinarians.
Answers
The terms "experiment" and "number" are relevant to this question. As for the answer choices, it seems like the appropriate option would be that the sample has no issue of bias and the results can be trusted, as the experiment used a controlled group of identical twins to ensure accuracy. The term "target" is not particularly relevant to this question.
In this experiment, the target population is the sets of identical twins. The number of participants involved is twenty sets of twins. The purpose of the experiment is to investigate whether using fluoride mouthwash after brushing can reduce the number of cavities. The experiment used twenty sets of identical twins to investigate whether using fluoride mouthwash after brushing reduces cavities. One member of each set of twins used the mouthwash after each brushing, while the other did not. After six months, the number of cavities for those using the mouthwash was compared with the number of cavities for those who did not use the mouthwash.
The experiment is conducted by having one member of each set of twins use the mouthwash after each brushing, while the other member does not. After six months, the difference in the number of cavities between those who used the mouthwash and those who did not are compared.
From the given information, it is not possible to definitively conclude if there are any issues of bias or if the results can be trusted. However, this experiment does provide some insight into the potential effectiveness of fluoride mouthwash in reducing cavities, as it compares the outcomes within sets of identical twins, who share similar genetic and environmental factors.
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Let Y be a random variable. In a population, mu Subscript Upper Y Baseline equals 65μY=65 and sigma Subscript Upper Y Superscript 2 Baseline equals 49σ2Y=49. Use the central limit theorem to answer the following questions. (Note: any intermediate results should be rounded to four decimal places)
In a random sample of size n = 69, find Pr(Y <68) =
In a random sample of size n = 124, find Pr (68< Y <69)=
In a random sample of size n = 196, find Pr (Y >66)=
Answers
Using the central limit theorem, for different sample sizes, we find the probabilities Pr(Y < 68) ≈ 0.9439, Pr(68 < Y < 69) ≈ 0.0590, and Pr(Y > 66) ≈ 0.0228.
a) In a random sample of size n = 69, we can approximate the distribution of the sample mean using a normal distribution. The mean of the sample mean will be equal to the population mean μY = 65, and the variance of the sample mean will be σY^2 / n = 49 / 69 ≈ 0.7101. To find Pr(Y < 68), we calculate the z-score using the formula z = (x - μ) / σ, where x is the value we want to find the probability for.
z = (68 - 65) / √(0.7101) ≈ 1.5953
Using a standard normal distribution table or a calculator, we find the probability associated with z = 1.5953 to be approximately 0.9439. Therefore, Pr(Y < 68) ≈ 0.9439.
b) In a random sample of size n = 124, we can again approximate the distribution of the sample mean using a normal distribution. The mean of the sample mean will still be equal to the population mean μY = 65, and the variance of the sample mean will be σY^2 / n = 49 / 124 ≈ 0.3952. To find Pr(68 < Y < 69), we calculate the z-scores for the lower and upper limits.
Lower z-score: z1 = (68 - 65) / √(0.3952) ≈ 1.5225
Upper z-score: z2 = (69 - 65) / √(0.3952) ≈ 2.5346
Using the standard normal distribution table or a calculator, we find the probability associated with z1 = 1.5225 to be approximately 0.9357 and the probability associated with z2 = 2.5346 to be approximately 0.9947. Therefore, Pr(68 < Y < 69) ≈ 0.9947 - 0.9357 ≈ 0.0590.
c) In a random sample of size n = 196, we can once again approximate the distribution of the sample mean using a normal distribution. The mean of the sample mean will still be equal to the population mean μY = 65, and the variance of the sample mean will be σY^2 / n = 49 / 196 ≈ 0.2500. To find Pr(Y > 66), we calculate the z-score.
z = (66 - 65) / √(0.2500) = 2
Using the standard normal distribution table or a calculator, we find the probability associated with z = 2 to be approximately 0.9772. Therefore, Pr(Y > 66) ≈ 1 - 0.9772 ≈ 0.0228.
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