Question 14.While we waited at the stoplight, we sang along to the
radio.
What sentence type is this?
O Simple
Compound
Complex
Question 15
Based on the answer you selected for the sentence above,
explain why it is that type of sentence.
Make sure you answer is in a complete sentence.
This statement is a simple sentence: "We sang along to the radio as we waited at the lights."
Why use a simple sentence?The three fundamental components of a sentence—a subject, a verb, and a finished thought—are present in a simple sentence. The following are some illustrations of basic sentences: For the train, Joe waited. The train arrived late.
A simple sentence is a clause that stands alone and expresses a single, coherent idea. In contrast to complicated sentences, simple sentences do not have dependent clauses or subordinate clauses.
Simple sentences have a subject, a predicate, and one independent clause. In simple phrases, it is possible to use modifiers, multiple subjects, and compound verbs and predicates. Topic + Verb + Object, or SVO order, is the typical structure of a simple phrase.
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HELP pls will mark you the brainliest.
In a certain city, the number of days a house is on the market before it is sold is approximately normally distributed. In a random sample of 21 houses, the mean number of days before the sale was 94, and the standard deviation was 27 days. A realty company wants to test the null hypothesis that the population mean is 100 days, against the alternative hypothesis that it is not, using a 10% significance level. What is the value of cv1, the lower critical value? Two decimals
The value of cv1, the lower critical value, is approximately 54.19.
To find the critical value (cv1) for a two-tailed hypothesis test at a 10% significance level, we need to divide the significance level (α) by 2.
Since α = 0.10, we divide it by 2 to get 0.10/2 = 0.05.
Next, we need to find the z-score associated with the cumulative probability of 0.05.
Using a standard normal distribution table or a calculator, we can find that the z-score for a cumulative probability of 0.05 is approximately -1.645.
Now, we can calculate the critical value by multiplying the z-score by the standard deviation (27) and adding it to the population mean (100).
cv1 = 100 + (-1.645 * 27)
cv1 ≈ 54.19 (rounded to two decimal places)
Therefore, the value of cv1, the lower critical value, is approximately 54.19.
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What value of x will make the equation below true?
X - 15 = 12
Answer:
27
Step-by-step explanation:
x-15=12
add fifteen to both sides
x-15+15=12+15
x=27
Answer:
27
Step-by-step explanation:
27-15=12
12.276 rounded to the nearest tenth
Answer:
12.3
Step-by-step explanation:
12x - 6y = 13
8x - 4y = -21
Answer:
24
Step-by-step explanation:
24
The pet store has 6 puppies, 9 kittens, 4 lizards, and 5 snakes. if you select five pets from the store randomly, what is the probability that at least one of the pets is a puppy?
The probability that at least one of the pets selected is a puppy is approximately 0.7887 or 78.87%.
To calculate the probability that at least one of the pets is a puppy, we can find the probability of the complement event (none of the pets being a puppy) and subtract it from 1.
The total number of pets in the store is 6 puppies + 9 kittens + 4 lizards + 5 snakes = 24.
The probability of selecting a pet that is not a puppy on the first selection is (24 - 6) / 24 = 18 / 24 = 3 / 4.
Similarly, on the second selection, the probability of selecting a pet that is not a puppy is (24 - 6 - 1) / (24 - 1) = 17 / 23.
For the third selection, it is (24 - 6 - 1 - 1) / (24 - 1 - 1) = 16 / 22.
For the fourth selection, it is (24 - 6 - 1 - 1 - 1) / (24 - 1 - 1 - 1) = 15 / 21.
For the fifth selection, it is (24 - 6 - 1 - 1 - 1 - 1) / (24 - 1 - 1 - 1 - 1) = 14 / 20 = 7 / 10.
To find the probability that none of the pets is a puppy, we multiply the probabilities of not selecting a puppy on each selection:
(3/4) * (17/23) * (16/22) * (15/21) * (7/10) = 20460 / 96840 = 0.2113 (approximately).
Finally, to find the probability that at least one of the pets is a puppy, we subtract the probability of the complement event from 1:
1 - 0.2113 = 0.7887 (approximately).
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Solve to find the value of x ? 4x -10 = 50
Answer:
x = 15
Step-by-step explanation:
Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other.
Do the opposite of PEMDAS.
PEMDAS is the order of operations, and stands for:
Parenthesis
Exponents (& Roots)
Multiplications
Divisions
Additions
Subtractions
~
First, add 10 to both sides of the equation:
\(4x - 10 = 50\\4x - 10 (+10) = 50 (+10)\\4x = 50 + 10\\4x = 60\)
Next, divide 4 from both sides of the equation:
\(4x = 60\\\frac{4x}{4} = \frac{60}{4} \\x = \frac{60}{4} = 15\\x = 15\)
~
x = 15 is your answer.
~
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Answer:
\(\tt x=15\)Step-by-step explanation:
\(\tt 4x -10 = 50\)
Add 10 to both sides:-
\(\tt 4x-10+ 10 = 50+ 10\)\(\tt 4x=60\)Divide both sides by 4:-
\(\tt \cfrac{4x}{4} =\cfrac{60}{4}\)\(\tt x=15\)___________________
Hope this helps!
Would anyone happen to know this?! I need help please ASAP
Answer:
nope
Step-by-step explanation:
There is a population of 100,000 bacteria in a colony. If the number of bacteria doubles every 17 hours, what will the population be 34 hours from now?
Describe the graph of y = 1/2 x − 10 − 3 compared to the graph of y = 1 x .
The graph of y = [1/2(x -10)] - 3, compared to the graph of 1/x, represents these following transformations:
Horizontal compression by a scale factor of 2.Translation right 10 units.Translation down 3 units.What is a translation?A translation happens when either a figure or a function is moved horizontally or vertically on the coordinate plane.
The four translation rules for functions are defined as follows:
Translation left a units: f(x + a).Translation right a units: f(x - a).Translation up a units: f(x) + a.Translation down a units: f(x) - a.The translations for this problem are given as follows:
x -> x - 10: shift right 10 units.y -> y - 3: shift down 3 units.Additionally, there was a multiplication by 2 in the domain, meaning that the parent function was horizontally compressed by a factor of 2.
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Find the area of the circle with a radius of 4 inches use 3.14 do not round your answer
The area of the circle with radius of 4 inches is 50.24 square inches.
The area of circle is the region occupied by the circle in a two-dimensional plane. The area of the circle formula is useful for measuring the space occupied by a circular field or a plot.
It is given in the question that the radius of the circle is 4 inches.
Also, the value of \(\pi\) is given to be 3.14.
We know that, the formula for the area of a circle with radius r is \(\pi \ {r}^{2}\)
Here,
\(\pi\) = 3.14
r = 4 inches
Hence,
Area of the circle is = 3.14 * 4 * 4 square inches = 50.24 square inches.
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The area is:
50.24 square inches (in²)
Explanation:
To find the circle's area, use the formula \(\sf{A=\pi r^2}\).
where:
A = area;
π = 3.14 (pi);
r = radius
Diagram:
\(\setlength{\unitlength}{1cm}\begin{picture}(0,0)\thicklines\qbezier(2.3,0)(2.121,2.121)(0,2.3)\qbezier(-2.3,0)(-2.121,2.121)(0,2.3)\qbezier(-2.3,0)(-2.121,-2.121)(0,-2.3)\qbezier(2.3,0)(2.121,-2.121)(-0,-2.3)\put(0,0){\line(1,0){2.3}}\put(0.5,0.3){\bf\large 4\ in}\end{picture}\)
Plug in the data:
\(\sf{A=3.14\times4^2}\)\(\sf{A=3.14\times16}\)\(\boldsymbol{A=50.24\:inches^2}\)The ages of the members of a volunteer group are shown below.
13, 14, 14, 14, 15, 15, 15, 16, 16, 21, 23
Which box and whisker plot best represents these data?
Step-by-step explanation:
here it is. ...............
40 POINTS NOW HELP 5 MINS COME ON HELP
❥\(\Large\pmb{ \underline {\tt Answer}}\)
2x + 5 = 3x - 25
5 + 25 = 3x - 2x
x = 30
Option B
reason:- Attached picture
Answer:
letter C is the right answer
Step-by-step explanation:
hope it helps!
# CARRY ON LEARNING
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which one of the following is NOT a step we use when formulating the null and alternative hypotheses?
calculate the value of the sample statistic
d) Use the rejection rule to solve for the value of the sample mean corresponding to the critical value of the test statistic is NOT a step in hypothesis testing(d).
The steps in hypothesis testing are as follows:
Formulate the null and alternative hypothesesSpecify the level of significanceIdentify the test statistic and its distributionDetermine the critical value of the test statistic using the level of significance and the critical value approachCalculate the value of the test statisticCompare the test statistic to the critical valueDecide whether to reject or fail to reject the null hypothesisDraw conclusions and interpret the results.For more questions like Sample mean click the link below:
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Option d is not one of the steps in hypothesis testing.
Which of the following is NOT a step in hypothesis testing? Select one: a. Find the confidence interval. b. Use the level of significance and the critical value approach to determine the critical value of the test statistic c. Formulate the null and alternative hypotheses d. Use the rejection rule to solve for the value of the sample mean corresponding to the critical value of the test statistic.
what is Pythagoras theorem
Answer:
a² + b² = c²
it is used to find a missing side in a right angled triangle
Answer:
in mathematics pythagoras is a fundamental relation in euclidean geometry among the three side of a right triangle
17. Who am I? ___ Collection of one or more different types of variables, including arrays and pointers, that have been grouped under a single name for each manipulation.
a) template
b) array
c) structure
d) local variables
You are c) a structure. A structure is a collection of one or more different types of variables, including arrays and pointers, that have been grouped under a single name for each manipulation.
A structure is a user-defined data type that allows you to group together related data. For example, you could create a structure to store the name, age, and address of a person. The structure would have three variables, each of a different type: a string variable for the name, an integer variable for the age, and a string variable for the address.
The advantage of using a structure is that it allows you to treat the related data as a single unit. This makes it easier to manipulate the data and to pass the data to functions.
The other answer choices are incorrect. A template is a blueprint for creating a generic class or function. An array is a collection of elements of the same type. Local variables are variables that are declared within a function and that are only accessible within the function.
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A sample of n = 64 scores is selected from a population with µ = 80 with σ = 24. On average, how much error is expected between the sample mean and the population mean?
The expected error between the sample mean and the population mean is 3.
In this problem, we have been given :
population mean (μ) = 80,
standard deviation (σ) = 24,
sample size (n) = 64
We know that,
The Central Limit Theorem states that, for a normally distributed random variable X, with mean μ and standard deviation σ, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean μ and standard deviation, which is also called standard error \(s=\frac{\sigma}{\sqrt{n} }\)
We need to find the error between the sample mean and the population mean.
standard error
= σ /√n
= 24 /√64
= 24 / 8
= 3
Therefore, the expected error between the sample mean and the population mean = 3
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Simplify
−3 + i
7 + i
.
First, multiply both the numerator and denominator by .
The product in the numerator is
+
i.
The product in the denominator is
.
Answer:
Simplify
.
First, multiply both the numerator and denominator by
✔ 7 – i
.
The product in the numerator is
⇒ -20 +
⇒ 10i.
The product in the denominator is
⇒ 50.
The quotient of 5i and 2 − i is
⇒ -1 +
⇒ 2i..
Step-by-step explanation:
Answer:
the last option on edge
Step-by-step explanation:
7 - i
Solve 2x + 20 = 6x – 12*
Answer:
x = 8
Step-by-step explanation:
Given
2x + 20 = 6x - 12 ( subtract 2x from both sides )
20 = 4x - 12 ( add 12 to both sides )
32 = 4x ( divide both sides by 4 )
8 = x
=> 2x + 20 = 6x - 12
=> 20 + 12 = 6x - 2x
=> 32 = 4x
=> x =32/4
=> x = 8What is 2 9/12×6=.........
Step-by-step explanation:
2 9/12×6=(2×12+9)/12×6=33×6/12=33/2=16.5is answer
The drug warfarin, an anticoagulant, is metabolized by the body and leaves at a rate proportional to amount still in the body. Use this fact in both parts (a) and (b) below.
(a) If a patient, who has no Warfarin in his system, is given a pill containing 2.5 mg of Warfarin, write a differential equation for the quantity Q(t) (in mg) of warfarin in the body t hours later. Be sure to include an initial condition.
(b) A second patient, who has no Warfarin in her system, is given Warfarin intravenously at a rate of 0.5 mg/hour. Write a differential equation for the quantity Q(t) (in mg) of warfarin in the body of this patient t hours later. Be sure to include an initial condition.
*This is the problem, there is no more information provided.
These are my answers, just want to make sure they are right:
(a) Q' = -2.5Q Q(0) = 0
(b) Q' = 0.5Q - 2.5Q Q(0) = 0
The differential equation concerning the given question is Q' = -2.5Q Q(0) = 0 . Therefore the required correct answer for the question is Option A.
a) The differential equation expressing the quantity Q(t) of warfarin in the body, at t hours later when a patient who is suffering from Warfarin is given a pill containing 2.5 mg of Warfarin then,
dQ/dt = -kQ
here Q(0) = 2.5
b) The differential equation the expressing the quantity Q(t) of warfarin in the body, at t hours later when a patient who is not suffering from Warfarin is given a pill containing 0.5 mg/hr then,
dQ/dt = -kQ + r
where Q(0) = 0
Here
k = rate constant
r = rate of administration
The differential equation concerning the given question is Q' = -2.5Q Q(0) = 0 . Therefore the required correct answer for the question is Option A.
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The rate at which Warfarin leaves the body should be proportional to the amount still in the body, not a constant rate of 2.5. So the correct differential equation for part (b) is:
Q' = 0.5 - kQ, where Q(0) = 0
Where k is the proportionality constant for the rate of elimination.
Explanation
(a) Let's denote the rate of elimination as k, where k > 0. Since the elimination rate is proportional to the amount of warfarin, we can write the differential equation as:
Q'(t) = -kQ(t)
Given that the initial condition is a 2.5 mg pill, the initial condition should be:
Q(0) = 2.5
So the differential equation for part (a) is:
Q'(t) = -kQ(t), Q(0) = 2.5
(b) In this case, the patient receives warfarin intravenously at a rate of 0.5 mg/hour. Thus, we should add the rate of administration to our equation:
Q'(t) = 0.5 - kQ(t)
The initial condition is still that the patient has no warfarin in her system:
Q(0) = 0
So the differential equation for part (b) is:
Q'(t) = 0.5 - kQ(t), Q(0) = 0
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tallest living man at one time had the height of 237 cm is shortest living man at that time had the height of 139.5 cm height of men at that time had a mean of 177.71 cm and a standard deviation of 6.03 cm which of these two men had the height that was more extreme
Based on the mean and standard deviation of men's heights at that time, the tallest living man had a more extreme height compared to the shortest living man.
The question asks which of the two men, the tallest living man or the shortest living man at that time, had a height that was more extreme.
To determine this, we need to compare their heights to the mean and standard deviation of men's heights at that time.
The mean height of men at that time was 177.71 cm, and the standard deviation was 6.03 cm.
The tallest living man had a height of 237 cm, which is 59.29 cm above the mean (237 - 177.71 = 59.29).
The shortest living man had a height of 139.5 cm, which is 38.21 cm below the mean (177.71 - 139.5 = 38.21).
To determine which height is more extreme, we can compare the distance from each height to the mean.
The distance from the tallest man's height to the mean is 59.29 cm, while the distance from the shortest man's height to the mean is 38.21 cm.
Since the distance from the tallest man's height to the mean is greater than the distance from the shortest man's height to the mean, we can conclude that the tallest living man had the height that was more extreme.
In summary, based on the mean and standard deviation of men's heights at that time, the tallest living man had a more extreme height compared to the shortest living man.
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The volume of a large can of tuna fish can be calculated using the formula
V= π r^2 h. Write an equation to determine the radius of the can.
The equation that can be used to determine the radius of the can isr = √(v/πh)
What is change of subject of formula?For example, Y is the subject of the following equations. Y = x + 1, Y = 4 + 2x, Y = 2(2x – 3). In the relation v=u + at, v is said to be the subject. When a formula is rearranged so that a different letter becomes the subject, this process is referred to as changing the subject of the relation.
Similar making r the subject in V= π r^2 h
divide both sides by πh
V/πh = r²
r² = V/πh
r = √(V/πh)
therefore the radius of the can be obtained from
r = √(V/πh)
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emma covered a gift box in the shape of a rectangular prisim. It was 8 inches long, 4 inches wide, and 7 inches high. What is the total surface area of the gift box?
The tοtal surface area οf the gift bοx is 232 square inches.
What is rectangle?A rectangle is a 2D shape that has fοur sides and fοur right angles. Oppοsite sides are parallel and οf equal length. The area οf a rectangle is the prοduct οf its length and width, and its perimeter is the sum οf the lengths οf all its sides.
SA = 2lw + 2lh + 2wh
where l, w, and h are the length, width, and height οf the rectangular prism, respectively.
Substituting the given values, we get:
SA = 2(8x4) + 2(8x7) + 2(4x7)
SA = 64 + 112 + 56
SA = 232
Therefοre, the tοtal surface area οf the gift bοx is 232 square inches.
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the population in a city increased at the rate of 15% and 25% for two successive years. in the next year it decreased at the rate of 5%. find the average rate of growt
To find the average rate of growth over the three-year period, we can calculate the overall percentage change in the population. Therefore, the average rate of growth over the three-year period is approximately 36.5625%.
Let's assume the initial population is P.
First year: The population increased by 15%, so the new population is P + 0.15P = 1.15P.
Second year: The population further increased by 25%, so the new population is 1.15P + 0.25(1.15P) = 1.15P + 0.2875P = 1.4375P.
Third year: The population decreased by 5%, so the new population is 1.4375P - 0.05(1.4375P) = 1.4375P - 0.071875P = 1.365625P.
The overall percentage change in the population over the three years can be calculated as (final population - initial population) / initial population * 100%.
Percentage change = (1.365625P - P) / P * 100% = 0.365625P / P * 100% = 36.5625%.
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b)são múltiplos de 3 mas não de 2:
Answer:
3, 9, 15, 21, 27, 33, 39, 45...
Step-by-step explanation:
Los números que son múltiplos de 3 mas no de 2 son todos aquellos número que, formando parte del grupo de números divisibles por 3, sean impares. Es decir que todo número divisible por 3 que no termine en un número par no será divisible por 2. Ello es así porque todos los números pares son divisibles por 2.
A national survey suggests that 25% of U.S. adults have a landline in their residence, 84% have a cell phone, and 21% have both. define the following: L= person has a landline in their residence, C= person has a cell phone. Answer the following questions using proper probability notation.
a) What is the probability that a randomly selected U.S. adult has a landline or a cell phone?
B)What is the probability that a randomly selected U.S. adult does not have a cell phone?
C)What is the probability that a randomly selected U.S adult has a cell phone but not a landline?
D) If a U.S. adult has a cell phone, what is the probability that he has a landline, too?
E) Are having a landline and a cell phone independent events? support your answer appropriately.
The probabilities are 0.88, 0.16, 0.63, 0.25.
a) The probability that a randomly selected U.S. adult has a landline or a cell phone can be found by adding the probabilities of each event individually and subtracting the probability of having both. So, P(L or C) = P(L) + P(C) - P(L and C) = 0.25 + 0.84 - 0.21 = 0.88.
b) The probability that a randomly selected U.S. adult does not have a cell phone can be found by subtracting the probability of having a cell phone from 1. So, P(not C) = 1 - P(C) = 1 - 0.84 = 0.16.
c) The probability that a randomly selected U.S. adult has a cell phone but not a landline can be found by subtracting the probability of having both from the probability of having a cell phone. So, P(C and not L) = P(C) - P(L and C) = 0.84 - 0.21 = 0.63.
d) If a U.S. adult has a cell phone, the probability that they also have a landline can be found by dividing the probability of having both by the probability of having a cell phone. So, P(L | C) = P(L and C) / P(C) = 0.21 / 0.84 = 0.25.
e) To determine if having a landline and a cell phone are independent events, we compare the probability of having both (P(L and C)) with the product of the probabilities of each event occurring separately (P(L) * P(C)). If P(L and C) = P(L) * P(C), then the events are independent. In this case, 0.21 ≠ (0.25)(0.84), so having a landline and a cell phone are not independent events.
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If everyone in a class scored 100 on a quiz, what is the standard deviation of quiz scores?
The standard deviation of quiz scores is 0.
What is the standard deviation?The standard deviation in statistics is a measure of the amount of variation or dispersion in a set of values. A low standard deviation indicates that the values of the set tend to be close to the mean (also known as the expected value), whereas a high standard deviation indicates that the values are spread out over a larger range.To find the standard deviation:
Let, the number of students = nx = 100Mean = n×x/n=xVariance = \(\frac{\sum(\bar{x}-x)^2}{n}\)Variance = (x₁ - x)² + (x₂ - x)² + (x₃ - x)²/nV = 0Standard variance = √0Therefore, the standard deviation of quiz scores is 0.
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solve using elimination
9x-3y=24
7x-3y=20
Answer:
point form:(13/5, -3/5)
equation form: x=13/5
y=-3/5
Step-by-step explanation:
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