to determine that a item is not in an unordered array of 100 items, how many values must linear search examine on average? a) 7 b) 10 c) 100
Answers
To determine that an item is not in an unordered array of 100 items, total numbers of values which have to linear search examine on average is 100. The correct answer is C.
What is Linear Search?Linear Search is described as a sequential search algorithm which starts at one end and goes through each element of a list until the needed element is found, otherwise the search continues till the end of the data set. This is the simplest searching algorithm.
Starting at the beginning of the data set, each item of data is examined until a match is made. Once the item is found, the search ends.
Hence, in this case, since there are 100 items, then there will be 100 numbers of values.
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Related Questions
I need help with this!
Answers
The length AC in the kite is 8.7 cm.
How to find the side AC in the kite?A kite is a quadrilateral that has two pairs of consecutive equal sides and
perpendicular diagonals. Therefore, let's find the length AC in the kite.
Hence, using Pythagoras's theorem, let's find CE.
Therefore,
7² - 4² = CE²
CE = √49 - 16
CE = √33
CE = √33
Let's find AE as follows:
5²- 4² = AE²
AE = √25 - 16
AE = √9
AE = 3 units
Therefore,
AC = √33 + 3
AC = 5.74456264654 + 3
AC = 8.74456264654
AC = 8.7 units
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In which
situation can the Expression
on 8×2 be used to find the total number of head wraps on the shelf
Answers
The expression 8×2 can be used to find the total number of head wraps on the shelf when there are 8 head wraps per shelf and 2 shelves in total, resulting in a total of 16 head wraps.
What is expression?Expression in mathematics is a combination of symbols and numbers, often using an operation, such as addition, subtraction, multiplication, or division. It can represent a number, a variable, a function, or a mathematical statement. It can also represent a combination of these things. Expressions are used to describe relationships between numbers, variables, and mathematical concepts.
The expression 8×2 can be used to find the total number of head wraps on the shelf when there are 8 head wraps per shelf and there are 2 shelves in total. This expression can be used to calculate the total number of head wraps on the shelves by multiplying 8 (the number of head wraps per shelf) by 2 (the number of shelves). As such, the expression 8×2 can be used to find the total number of head wraps on the shelf when there are 8 head wraps per shelf and 2 shelves in total, resulting in a total of 16 head wraps.
In conclusion, the expression 8x2 can be used to calculate the total number of head wraps on the shelf when there are 8 head wraps per shelf and 2 shelves in total. By multiplying 8 (the number of head wraps per shelf) by 2 (the number of shelves), the total number of head wraps on the shelf can be found, resulting in a total of 16 head wraps.
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Complete questions as follows-
In which situation can the Expression
on 8×2 be used to find the total number of head wraps on the shelf?
Slope= -2/5 y-intercept = -3
Please answer ASP!!!!!
Answers
Answer:
the equation would be y=-2/5x-3
Answer:
The answer is y=-2/5x-3
Step-by-step explanation:
Hope this helped, Have a Wonderful Day!!!
Two minor league baseball players got a total of 364 hits. Washington had 18 more hits than Sanchez. Find the number of hits for each player.
Question content area bottom
Part 1
Washington had enter your response here
hits. Sanchez had enter your response here
hits.
Answers
364=s+(s+18)
364-18=346
346/2=173
173+18=191
173=sanchez
191=washington
364=173+(173+18)
P(A or B)=P(A) + P(B)-P(A and B)
P(A and B)=P(A)xP(B|A)
P(B|A)=P(A and B)
P(A)
In a Pew poll of American voters, almost 80% of Democrats say the government
shutdown is a "very serious problem for the country, while just 35% of Republicans feel
the same. 54% of the people polled were Democrats and 46% were Republicans.
(a) Overall, what percentage of American voters say the government shutdown is a
"very serious" problem for the country?
%
Answer=
(b) Set up a 2x2 probability table. Round all percentages to 2 decimal places.
Democrat
Republican
Total
Serious
P(A and B)=P(A)x P(B) (if independent)
Not Serious
Total
%
%
%
%
%
%
%
%
%
Answers
Answer:For part (a), the overall percentage of American voters who say the government shutdown is a "very serious problem for the country" can be calculated as follows:
P(A) = 54% (probability of being a Democrat)
P(B|A) = 80% (probability of saying the shutdown is a "very serious problem" given that the person is a Democrat)
P(A and B) = P(A) * P(B|A) = 54% * 80% = 43.2%
P(B) = 35% (probability of saying the shutdown is a "very serious problem" for Republicans)
P(A|B) = (P(A and B) / P(B)) = (43.2% / 35%) = 123.14%
P(A or B) = P(A) + P(B) - P(A and B) = 54% + 35% - 43.2% = 45.8%
Therefore, the overall percentage of American voters who say the government shutdown is a "very serious problem for the country" is 45.8%.
For part (b), the 2x2 probability table can be set up as follows:
Serious Not serious Total
Democrat 43.2% 6.8% 50%
Republican 10.5% 35.5% 46%
Total 53.7% 42.3% 100%
Step-by-step explanation:
help me, please!!!!!!!
Answers
9514 1404 393
Answer:
2
Step-by-step explanation:
Alex has 10 money units. Annie has 5 money units. The ratio of amounts is ...
Alex : Annie = 10 : 5 = 2 : 1
Alex has 2 times as much money as Annie.
Given that 2log (x^2 y)=3 + logx- log y where x and y are both positive, express y in terms of x. If x-y=3, find the value of x and of y.
Answers
The values of x and y for the given logarithmic function, 2 log (x²y) = 3 + logx - logy are respectively, 13/2 and 7/2
What is a logarithmic function ?The logarithmic function is an expression which we can write as, y = logₐx, where a>0 & x>0, It is the inverse of exponential function.
Formulae for logarithmic function are,
LogAB = LogA + LogB
Logₐaᵇ = b
Given that,
the logarithmic function,
2 log (x²y) = 3 + logx - logy
x - y = 3 .....................(i)
2 log (x²y) = 3 + logx - logy
2[ logx² + logy] = 3 + logx - logy
2[ 2logx + logy] = 3 + logx - logy
4logx + 2logy = 3 + logx - logy
3logx + 3logy = 3
logx + logy = 1
logx + logy = log10
x + y = 10 .............(ii)
By solving the equation (i) & (ii)
x - y = 3
x + y = 10
2x = 13
x = 13/2
13/2 - y = 3
y = 7/2
Hence, the values of x and y is, 13/2 and 7/2
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The variance in drug weights is critical in the pharmaceutical industry. For a specific drug, with weights measured in grams, a sample of 18 units provided a sample variance of 0.36. a. Construct a 90% confidence interval estimate of the population variance for the weight of this drug. Show your work. b. Construct a 90% confidence interval estimate of the population standard deviation.
Answers
Answer:
a) 0.2218 to 0.7057
b) 0.4710 to 0.8401
Step-by-step explanation:
Given:
sample = n = 18
sample variance = s² = 0.36
To find:
a) 90% confidence interval estimate of the population variance.
b) 90% confidence interval estimate of the population standard deviation.
a)
Compute degree of freedom
degree of freedom = df = n - 1 = 18 - 1 = 17
Compute value of α for a 90% confidence interval
The confidence level for 90% is:
c = 0.90
So
α = 1 - c = 1 - 0.90 = 0.1
α = 0.1
Now use the table of critical values of the chi-square distribution in order to find critical values. Search for the 17th row of table using df = 17 and find the column corresponding to 1 - α/2 i.e. 0.95 of table for upper tail critical values and column corresponding to α /2 i.e. 0.05 of table for lower tail critical values.
Using the table:
\(X^{2}_{0.95}\) = 8.672
\(X^{2}_{0.05}\) = 27.587
90% Confidence interval estimate of the population variance
The boundaries of CI are computed using formula:
(n−1) s² / \(X^{2}_{\alpha/2}\) ≤ σ² ≤ (n−1) s² / \(X^{2}_{1-\alpha/2}\)
(n−1) s² / \(X^{2}_{\alpha/2}\) = (18-1) 0.36 / 27.587
= (17) 0.36 / 27.587
= 6.12 / 27.587
(n−1) s² / \(X^{2}_{\alpha/2}\) = 0.2218
(n−1) s² / \(X^{2}_{1-\alpha/2}\) = (18-1) 0.36 / 8.672
= (17) 0.36 / 8.672
= 6.12 / 8.672
= 0.7057
This results in inequalities 0.2218 ≤ σ² ≤ 0.7057 for the variance
b)
90% Confidence interval estimate of the population standard deviation
The boundaries of CI are computed using formula:
√(n−1) s² / \(X^{2}_{\alpha/2}\) ≤ σ ≤ √(n−1) s² / \(X^{2}_{1-\alpha/2}\)
√(n−1) s² / \(X^{2}_{\alpha/2}\) = √((18-1) 0.36 / 27.587)
= √((17) 0.36 / 27.587)
= √(6.12 / 27.587)
= √0.2218
= 0.4709
= 0.4710
√(n−1) s² / \(X^{2}_{1-\alpha/2}\) = √((18-1) 0.36 / 8.672)
= √((17) 0.36 / 8.672)
= √ (6.12 / 8.672)
= √0.7057
= 0.8401
0.4710 ≤ σ ≤ 0.8401 for the standard deviation.
The radius of a circle is 8.9 m. Find the circumference to the nearest tenth.
Answers
The circumference of the circle is 55.9 m
How to calculate the circumference of the circle?The radius is given as 8.9 m
The formula for calculating circumference of a circle is
= 2πr
= 2 × 3.142 × 8.9
= 55.9
Hence the circumference of the circle is 55.9m
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You can fill a 15-gallon tank of gas for $53.08 or buy gas for $3.60/gallon.
Answers
Answer: the better option would be to fill your tank up 15 gallons for $53.08
If you were to multiply 3.60 by 15, you would get 54.
53.08 < 54, therefore 53.08 is the better option.
Hope this helps!
A time traveler can take 5 books with him, and he has 67 books to choose from. How
many different ways can the books be selected?
Answers
You roll a die 2 times. What is the probability or rolling a 6 and then a 2?
Answers
Answer:
1 out of 6
Step-by-step explanation:
Each roll of the die is an independent event. This means that the second roll does not rely on the first roll. The probability of rolling a six is one out of six. The probability of rolling a two is also one out of six. Since the two events are independent of each other, you would take the average of the two probabilities, which since they are both one out of six, the probability of rolling a six and then a two is one out of six.
What is the solution of this equation?
x + 3 = 14
Enter the correct answer
Answers
Answer: 11
Step-by-step explanation:
Answer:
11+3=14 x=11
Step-by-step explanation:
What was asked:
What is the solution of this equation?
Step 0 x + 3 = 14
Step 1 14-3=11
Step 2 x=11
Therefore 11+3=14
Three pizza are shared equally among 12 people.what fraction of a pizza will each person get?
A
4/1
B
3/1
Answers
Answer:
d) 1/12
Step-by-step explanation:
Linear function please help it’s due in 30 mins
Answers
Let p=5-2i and q=-3+7i. Write the expression in the form a+bi:
p-q
Answers
Answer:
Step-by-step explanation:
p-q= 5-2i-(-3+7i) = 5-2i+3-7i = 8-9i
The expression in the form a+bi of p-q according to the question is; 8 -9i
Since, p=5-2i and q=-3+7i.
Therefore, p-q can be evaluated as follows;
5 - 2i -(-3+7i)= 5+3 -2i -7i= 8 - 9iTherefore, a = 8 and b = -9
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Given sinz = -4/5 for pi < z < (3pi)/2, find the value of cosz.
Answers
The angle z is in the third quadrant, the value of cosz is negative. Hence, cosz = -3/5.So, the value of cosz is -3/5.
Given sinz = -4/5 for pi < z < (3pi)/2, we need to find the value of cosz. We can use the trigonometric identity of Pythagorean theorem to find the value of cosz.
According to Pythagorean theorem, sin2θ + cos2θ = 1, where θ is the angle in the right-angled triangle and sin, cos are the trigonometric ratios.
The negative sign for the given sinz indicates that the angle z is in the third quadrant. So, we can take the help of the unit circle to find the value of cosz as shown below:
Here, we have used the Pythagorean identity of sin2z + cos2z = 1 on the unit circle to find the value of cosz. Since the value of sinz is already given, we can find the value of sin2z as: sin2z = sinz x sinz = (-4/5) x (-4/5) = 16/25
Then, we can substitute the value of sin2z in the Pythagorean identity as: cos2z = 1 - sin2z = 1 - (16/25) = 9/25We need to find the value of cosz.
So, we can take the square root of cos2z as: cosz = ±(√(9/25)) = ±(3/5)The sign of cosz can be determined by considering the quadrant of the angle z.
Since the angle z is in the third quadrant, the value of cosz is negative. Hence, cosz = -3/5.So, the value of cosz is -3/5.
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The slope and y-intercept of the equation y – 5x = 7.
Graph points
Answers
Answer:
The slope is 5
the y-intercept is (0,7)
Step-by-step explanation:
An open box is to be constructed by cutting out
square corners of x-inch sides from a piece of
cardboard 8 inches by 8 inches and then folding
up the sides. Express the volume of the box as a
function of x
Answers
The volume of the box is a function of x, given by:\(V(x) = 4x^3 - 32x^2 + 64x\)
What is volume ?
Volume is a physical quantity that measures the amount of three-dimensional space that a substance or object occupies. It is usually measured in cubic units, such as cubic meters, cubic centimeters, cubic feet, or cubic inches.
To construct the box, we start with a square piece of cardboard that is 8 inches by 8 inches. We will cut out squares from each corner with side length x inches. This will leave us with a rectangular piece of cardboard with dimensions 8-2x by 8-2x, and we can fold up the sides to form the open box.
The height of the box will be x inches, and the length and width of the base of the box will be 8-2x inches. Therefore, the volume of the box will be:
Volume = Length x Width x Height
Volume = (8-2x) x (8-2x) x x
\(Volume = x(64-32x+4x^2)\)
Therefore, the volume of the box is a function of x, given by: \(V(x) = 4x^3 - 32x^2 + 64x\)
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A voter in the upcoming election has many different types of issues on the ballot. Of the issues on the ballot, 7 are school related, 10 are ordinance related, and 2 are library related. If a single issue is picked at random, what is the probability that the issue is school or library related?
Answers
The probability of randomly picking a school or library-related issue from the ballot is 9/19 or approximately 0.474 (rounded to three decimal places).
To determine the probability of a randomly picked issue being school or library related, you'll need to consider the total number of issues and the number of school and library issues combined.
There are 7 school-related issues, 10 ordinance-related issues, and 2 library-related issues, making a total of 19 issues on the ballot. To find the probability of picking a school or library issue, combine the number of school and library issues: 7 + 2 = 9.
Now, divide the number of school and library issues (9) by the total number of issues (19): 9/19.
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hello can someone help me on this question
Answers
Answer:
what question
Step-by-step explanation:
at a university, 75%, or 1,014, of first-year students take a maths course. How many first-year students are there at the university?
A. s/1,014 = 75/100 ; 76 students
B. s/1,014 = 75/100 ; 761 students
C. 1,014/s = 75/100 ; 1,352
D. 1,014/s = 75/100 ; 714
help me pls!?
Answers
Answer:
C
Step-by-step explanation:
1014=0.75s
1014/0.75=s is the same as 1014/s=0.75
Marcus was showing how he solved a division problem with the area model below. His pen exploded ink on some of his work.
What is the divisor that is covered with ink on the left side of the model?
A. 100
B. 80
C. 56
D. 29
Answers
Answer:
C
Step-by-step explanation:
an exponential function with a base of 3 that has been transformed from the parent by a vertical stretch by a factor of 4 and a reflection across the y-axis.
Answers
Answer:
idek bro
Step-by-step explanation:
i stink at this math
Find the area of the sector of the circle with central angle of 195° and radius of 7 cm. Use 3.14 for pi(π) and round to the nearest hundredth.
Group of answer choices
23.81 cm2
166.68 cm2
27.86 cm2
83.34 cm2
Answers
Answer:
A ≈ 83.34 cm²
Step-by-step explanation:
the area (A) of the sector is calculated as
A = area of circle × fraction of circle
= πr² × \(\frac{195}{360}\) ( r is the radius of the circle )
= 3.14 × 7² × \(\frac{13}{24}\) ( cancelling by 15 )
= \(\frac{3.14(49)(13)}{24}\)
≈ 83.34 cm² ( to the nearest hundredth )
You borrow $600 to buy a violin. The simple interest rate is 15%. You
pay off the loan after 5 years. How much do you pay for the loan?
What would the monthly payment be for the loan?
Answers
Answer:
$1050
Step-by-step explanation:
$600*15%*5=$450 interest
interest+borrowed=loan
$450+$600=$1050
I don't know the monthly payment sorry
During the month of April, a patient drives at least 840 miles to and from the hospital for
medical treatments each day.
a. Write an inequality that represents the number of miles the patient drives per day.
(April has 30 days.)
b. Can the patient drive 28 miles each day? Explain.
C. Can the patient drive 40 miles each day? Explain.
d. The patient is considering going to closer hospital that is at most 11 miles from home.
Write an inequality that represents the number of miles the patient would drive per day.
e. If the patient changes hospitals and continues medical treatments for one year, how
much miles will be saved?
Answers
Answer:30x=840 30 represents the number of days and x represents miles per day
b)yes because 30 (28)= 840 miles
c)yes because 30(40)= 1200 miles and the question said at least 840 so it can be more
d)30(11)=330
e) 10,800- 4,015 miles =6785 miles will be saved
Step-by-step explanation:
Which is the correct equation for a line that passes through the points (-2,7) and (2,-5)?
y=3x+5
y=1/3x+3
y= -3x-12
y= -3x+1
Answers
Answer:
y= -3x+1
Step-by-step explanation:
x1= -2 x2=2 y1=7 y2=-5
using the formula
(y-y1)/(x-x1)=(y2-y1)/(x2-x1)
(y-7)/(x-(-2))=(-5-7)/(2-(-2))
(y-7)/(x+2)=(-5-7)/(2+2)
(y-7)/(x+2)=(-12)/4
(y-7)/(x+2)=-3
cross multiply
y-7=-3(x+2)
y-7=-3x-6
y=-3x-6+7
y=-3x+1
Given the diagram below, what is
cos(45*)?
8 √2
450
Triangle not drawn to scale
O A. 1/√2
O B. 2 √2
O C. 4 √2
O D. √2
Answers
The value of cos(45°) is √2/2. The correct answer choice is D. √2.
In the given diagram, the angle labeled as 45° is part of a right triangle. To find the value of cos(45°), we need to determine the ratio of the adjacent side to the hypotenuse.
Since the angle is 45°, we can assume that the triangle is an isosceles right triangle, meaning the two legs are congruent. Let's assume the length of one leg is x. Then, by the Pythagorean theorem, the length of the hypotenuse would be x√2.
Now, using the definition of cosine, which is adjacent/hypotenuse, we can substitute the values:
cos(45°) = x/(x√2) = 1/√2
Simplifying further, we rationalize the denominator:
cos(45°) = 1/√2 * √2/√2 = √2/2
Therefore, the value of cos(45°) is √2/2.
The correct answer choice is D. √2.
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Simplify each expression by distributing and combining like terms.
1). 7(k+5)
2) 9(n-4)
3) 4(x+5)+2
Answers
Hello!
Answer:
1) 7k+35
2) 9n−36
3) 4x+22
Step-by-step explanation:
1) 7(k+5)
1) 7k+7×5
1) 7k+35
2) 9(n-4)
2) 9n+9×−4
2) 9n−36
3) 4(x+5)+2
3) 4x+20+2
3) 4x+(20+2)
3) 4x+22
Hope this helps!