In a competition, a prize is won every 2014 seconds. Work out an estimate for the number of prizes won in 24 hours.
Answer:
43
Step-by-step explanation:
First, 2014 seconds goes to about 33 minutes. 24 hours to minutes, divided by 33, gets you to 43. hope this helps
Answer:
43
Step-by-step explanation:
We convert 24 hours into seconds.
24 hours * (60 minutes)/hour * (60 seconds)/minute = 86,400 seconds
Now we divide the number of seconds in 24 hours by 2014.
86,400/2014 = 43
Answer: 43
A girl answered 38 questions on a reading app named lightsail.
The system indicated that she was 60% complete
How many questions are there in total?
Answer:
its either 63 or 64, im not really sure
consider an undirected graph that has 100 vertices. for any pair of vertices, only 1 edge can connect them. in other words, you cannot have 2 edges connecting vertex a directly to vertex b. also assume that there are no self-loops, i.e. an edge that goes from vertex a to vertex a. what is the maximum number of edges that can be in this specific graph?
So the maximum number of edges in an undirected graph with 100 vertices is 4950.
In an undirected graph, each edge connects two vertices, and as such, it is counted twice, once for each vertex it connects. Therefore, the total number of edges in the graph is the sum of the degrees of all vertices, divided by 2.
In a complete graph with n vertices, every vertex is connected to every other vertex, except itself, and so the degree of each vertex is n-1 (it is connected to n-1 other vertices). Therefore, the total number of edges in the graph is:
n * (n-1) / 2
Substituting n = 100, we get:
100 * 99 / 2 = 4950
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If the distance covered by an object in time t is given by s(t)=t²+5t
, where s(t) is in meters and t is in seconds, what is the distance covered in the interval between 1 second and 5 seconds?
I need help with my working
Answer:
15^2 = 225
7^3 = 343
Step-by-step explanation:
a bond is worth 100$ and grows in value by 4 percent each year. f(x) =
To represent the value of the bond after x years, we can use the function:f(x) = 100 * (1 + 0.04)^xwhere x is the number of years the bond has been held.The expression (1 + 0.04) represents the growth factor of the bond per year, since the bond grows in value by 4 percent each year. By raising this factor to the power of x, we obtain the cumulative growth of the bond over x years.Multiplying the initial value of the bond, 100$, by the growth factor raised to the power of x, gives us the value of the bond after x years. This is the purpose of the function f(x).
1 2) Simplify x^-6 * x^2
hello
to solve this question, we can simply use laws of indicies on it
\(a^m\times a^n=a^{m+n}\)so going by that, we can use this template to solve our problem
\(x^{-6}\times x^2=x^{-6+2}=x^{-4}=\frac{1}{x^4}\)from the calculation above, the answer to this question is 1 / x^4 and this corresponds to option D
Complete the equation of the line whose slope is -5/3
and y-intercept is (0, -2).
Answer:
these are tough, it takes a lot of practice to get used to these, sooo
Step-by-step explanation:
we know the slope, m= -5/3, and we're given a point so use the point slope formula
y= mx + b
the point we are given is in this form (x,y)
then plug the information into our point slope formula
y = (-5/3) x + (-2)
y = -5x/3 -2
Solve for b in the literal equation a+ b+ c= 180
Answer:
b = 180 - a - c
Step-by-step explanation:
To solve for b given the literal equation, a + b + c = 180:
Subtract a and c from both sides:
a + b + c = 180
a - a + b + c - c = 180 - a - c
b = 180 - a - c
a car starts off 163 miles directly north from the city of johnstown. it travels due east at a speed of 33 miles per hour. after travelling 63 miles, how fast is the distance between the car and johnstown changing? (do not include units in your answer, and round to the nearest hundredth.)
The distance between the car and Johnstown is decreasing at a rate of 33 miles per hour.
After travelling 63 miles, the distance between the car and Johnstown is changing at a rate of 33 miles per hour, and the distance between the car and Johnstown is 100 miles
To calculate the distance between the car and Johnstown after travelling 63 miles, we need to first find the starting distance.
The car starts off 163 miles directly north from the city of Johnstown, so the starting distance is 163 miles.
We then need to subtract the distance travelled from this starting distance. Since the car is travelling at a rate of 33 miles per hour, it has travelled 63 miles in the given time.
Therefore, the distance between the car and Johnstown is 100 miles
(163 - 63 = 100).
Finally, we need to calculate the rate of change of this distance. Since the car is travelling at a rate of 33 miles per hour, the rate of change of the distance between the car and Johnstown is also 33 miles per hour.
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Please help! THESE ARE ALL MY POINTS! The ribbon on a spool is 10 yards long. How many 6-inch pieces of ribbon can be cut from the spool? (Conversion rate: 1 yd= 36 in)
Answer:
10*36 is 360
360/6 is 60
Step-by-step explanation:
Good luck!
Don't forget you are smart, amazing, and loved!
in a softball league where each team must play each of the other teams exactly once, can there be exactly 81 games? if so, explain how, including how many teams are in the league. if not, explain why not.
There cannot be exactly 81 games in a softball league where each team must play each of the other teams exactly once.
In a softball league where each team must play each of the other teams exactly once, there cannot be exactly 81 games. This is because the total number of games played is given by the formula n(n-1)/2, where n is the number of teams in the league.
Let x be the number of teams in the league. The number of games played in a softball league is given by the formula x(x-1)/2.
Therefore, x(x-1)/2 = 81x^2 - x - 162 = 0
Solving for x using the quadratic formula:
x = (1 ± sqrt(1 + 4(162)(2))) / (2*81)= (1 ± 19) / 162
The only positive solution is x ≈ 4.09, but this is not a whole number. Therefore, there cannot be exactly 81 games in a softball league where each team must play each of the other teams exactly once.
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Escreva de duas formas diferentes os números a seguir. Urgente
A) 40.000.000.00
B) 0,02
C) 105.000.000
D) 0,000000007
E) 456.983
F) 0,000000673
Answer:
To solve this problem, we need to write each number in two different ways, we could use percetanges or fractions.
(A) 40,000,000.00.This number can be written in scientific notation like \(4 \times 10^{7}\), where the exponent depends on the amount of zeros the quantity has.
A second way to write this number would be as a product \(2 \times 20,000,000.00\).
(B) 0.02.Similarly, this number can be written in scientific notation \(2 \times 10^{-2}\), also, we can write it as a fraction \(\frac{2}{100}\).
(c) 105,000,000.This number in scientific notation would be \(1.05 \times 10^{8}\). As a product would be
\(1050 \times 100000\).
(d) 0.000000007.In scientific notation would be \(7 \times 10^{-9}\). As a fraction would be \(\frac{7}{1000000000}\).
(e) 456,983.In scientific notation would be \(4.56983 \times 10^{5}\). Also, we can write it as a sum
\(450,000 + 6,983\)
(f) 0.000000673.In scientific notation would be \(6.73 \times 10^{-7}\). As a fraction would be \(\frac{673}{1000000000}\)
solve for x
3 = x over 7
Answer:
21
Step-by-step explanation:
3= x/7
3/1=x/7
x=21
I hope this was helpful
Answer:
21
Step-by-step explanation:
3=x/7
x=3×7
x=21
If I have 22,590$ and I need to get to 52,900$ how much money do I need.
Answer:
30310$
Step-by-step explanation:
Amari gathered a random sample of oranges in her town. She calculated data on different variables. For one of the variables that she collected, she constructed a bar graph.
Which of the following variables did she use?
Type of orange
Diameter of the oranges
Number of navel oranges
Price per pound of oranges
Answer:
no. four
Step-by-step explanation:
Price of the oranges per pound..
Answer:
Step-by-step explanation:
Type of orange
Set up the equation and solve.
5) 700 reduced by 4 times Mia's age is 500. How old is Mia?
Answer:
50
Step-by-step explanation:
the equation is 700-4x=500
which of the following numbers is divisible by 2 and 3?
A) 111
B)112
C)113
D)114
Answer:
D) 114
Step-by-step explanation:
111/6 is not integer. 112/6 is not an integer. 113/116 is not either. however, 114/6 is an integer.
Answer:
D) 114
Step-by-step explanation:
114/2 = 57
114/3 = 38
A ball is thrown into the air with an upward velocity of 80 feet per second. The function
h = -16t2 + 80t models the height h, in feet, of the ball at time t, in seconds. When will the ball reach the ground?
after 3 seconds
after 4 seconds
after 5 seconds
after 6 seconds
Answer:
C: after 5 seconds
what is the f-statistic for the f-test for joint significance for the variables that are omitted between regression 1 and regression 2?
The F-statistic for the F-test for joint significance for the variables that are omitted between Regression 1 and Regression 2 is calculated by dividing the difference between the sum of squares of the two regressions by the sum of squares of the omitted variables.
The F-statistic for the F-test for joint significance is a measure of the strength of the relationship between the variables that have been omitted between two regressions. It is calculated by taking the difference between the sum of squares of the two regressions, and dividing it by the sum of squares of the omitted variables. This gives us a value that indicates how well the omitted variables explain the variance in the data. If the value is high, then the omitted variables do explain a significant amount of the variance in the data, indicating that they should not be omitted.
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uppose that a certain data set contains the variable HEIGHT (giving a person's height) and the variable GENDER (coded O=female, 1=male). Then the y-intercept of the regression equation predicting HEIGHT from GENDER is given by: Select one: a. how much shorter females are than males, on average. b. how much taller males are than females, on average. c. the average height of females in the data set. d. the average height of males in the data set. e. the proportion of females in the data set. f. the proportion of males in the data set. g. it is not appropriate to interpret the y-intercept in this case.
The data set contains the variable height (giving a person's height) and the variable gender (coded O=female, 1=male). Then the y-intercept of the regression equation predicting height from gender is given by: option c) the average height of females in the data set.
The y- intercept of a direct retrogression relationship represents the value of one variable when the value of the other is zero. Non-linear retrogression models also live, but are far more complex. Retrogression analysis is a important tool for uncovering the associations between variables observed in data, but can not fluently indicate occasion. The data set contains the variable height (giving a person's height) and the variable gender (enciphered O = womanish, 1 = manly). also the y- intercept of the retrogression equation prognosticating height from gender is given by option c) the average height of ladies in the data set.
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Work out the volume of the can of soup below. Give your answer to 2 d.p. 6 cm Soup 11 cm Not drawn accurately
The solution is: the volume of the soup can is 311.01 cm³.
Here,
we know that
the volume of the soup can =pi*r²*h
here, we get,
diameter=6 cm
---------->
so, radius is:
r=6/2
-----> r=3 cm
h=11 cm
so, we get,
the volume of the soup can
=3.14*3²*11
-----> 311.01 cm³
Hence, The solution is: the volume of the soup can is 311.01 cm³.
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Please help!!!
Consider the segment UV.
Type the correct answer in each box. Use numerals instead of words.
Suppose that $5500 is placed in an account that pays 2% interest compounded each year.
Assume that no withdrawals are made from the account.
Follow the instructions below. Do not do any rounding.
(a) Find the amount in the account at the end of 1 year.
(b) Find the amount in the account at the end of 2 years.
Х
?
Answer: After 1 year: $5,610
After 2 years: $5,722.20
Step-by-step explanation: Use the formula for periodic compounding interest, which is
A = P(1 + r/n)^(nt), where A is the final amount, P is the initial deposit, r is the interest rate as a decimal, n is the number of times the interest is compounded per year, and t is how many years.
Here, P = 5,500, r = 0.02 (that's 2% as a decimal), n = 1,
t = 1 for the first answer, t = 2 for the second answer (1 year, then for 2 years)
Plug the known values in to solve...
For 1 year...
A = 5,500(1 + 0.02/1)^(1*1)
A = 5,500(1.02)^1
A = 5,610
For 2 years...
A = 5,500(1 + 0.02/1)^(1*2)
A = 5,500(1.02)²
A = 5,722.20
what does the central limit theorem say about the shape of the distribution of the sample means? the distribution will be approximately normal regardless of sample size. the distribution will be normal when all sample means within 2 standard deviations of the actual mean are considered. the distribution will be approximately normal when the standard deviation of the sample means is the same as the population standard deviation. the distribution will be approximately normal when the sample size is large. the distribution will be approximately normal when the sample size is small.
Thus, the distribution will be approximately normal when the sample size is large.
What is central limit theory ?According to the central limit theorem, even if a population isn't normally distributed, if you take sufficiently big samples from it, the sample means will be.
Here,
the central limit theorem say about the shape of the distribution of the sample means because
If the sample size is big, the solution will be when the distribution is roughly normal.
thus, the distribution will be approximately normal when the sample size is large.
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2
,
000
pencils are being divided into packages of 15. How many pencils will be left over?
Answer: 5 pencils left over
Step-by-step explanation:so 133 times 15 is 1995 and you can’t add 15 more to that so you’ll have 5 left over
Answer:
133
Step-by-step explanation:
11. If QM = 6x - 11 and MR = 2x + 9, find MN.
The value of MN in the diagram is 38 units.
How to find the length MN?Base on the diagram MQP and MRP are right angles(90 degrees). And also JP is equals to PK. This is because PK and JP are the radius of the circle.
Hence,
JP = PK
∠MQP = ∠MRP = 90 degree
Therefore,
QM = MR
6x - 11 = 2x + 9
6x - 2x = 9 + 11
4x = 20
x = 20 / 4
x = 5
Let's find MN as follows:
PK is perpendicular to MN. Therefore, PK bisect MN into two equal parts.
Hence,
MR = RN
2MR = MN
2(2x + 9) = MN
MN = 2(2(5) + 9)
MN= 38 units
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URGENT I NEED HELP ASAP Which of the following steps were applied to AABC obtain AA'B'C'?
B
12
10
-6
8-
64
4
2-
-2
-2
र
8
10
A. Shifted 4 units right and 3 units up
B. Shifted 3 units right and 2 units up
C. Shifted 3 units right and 3 units up
D. Shifted 2 units right and 3 units up
T
B
2
C
C'
The steps to translate the triangle ABC to A'B'C' are Shifted 3 units right and 2 units up.
The correct option is (B).
What is Coordinate Geometry?By using graphs with curves and lines, coordinate geometry (also known as the analytic geometry) explains how geometry and algebra are related.
As per the given diagram:
We are given the diagram of two triangles drawn on a graph.
With the help of the graph, we can easily figure out the coordinates of each point of the triangle.
The steps to translate the triangle will be the same as that to translate any vertices of the triangle.
Let us consider A:
Coordinates of A = (2, 5)
Coordinates of A' = (5, 7)
For translating A to A':
3 units in +ve x direction. {right}
2 units in +ve y direction. {up}
Hence, The steps to translate the triangle ABC to A'B'C' are Shifted 3 units right and 2 units up.
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Decide if each of the following statements is true or false and give a proof. For a true statement you need to identify the values for the constants c and n0 as used in the definitions of big-O, Ω and Θ and show the corresponding inequalities. For a false statement you need to justify/prove why finding those constants is not possible. 1. n×(10n
2
+2n) is Ω(n
n
) 2. 3
n
is Θ(2
n
)
The statement n × (10n + 2n) is Ω(nn) is true.Ω(nn) means the function f(n) grows at least as fast as nn grows. To prove the given statement, we need to find the values of c and n0 for which n × (10n + 2n) ≥ cnn, for n > n0. Let's assume c = 1 and n0 = 1.
Then we need to show that n × (10n + 2n) ≥ nn, for n > 1.n × (10n + 2n) = n × 12n = 12nn ≥ nn, for n > 1.Therefore, the statement n × (10n + 2n) is Ω(nn) is true.2. The statement 3n is Θ(2n) is false.To prove this, we need to show that there are no constants c1, c2, and n0 such that c1 · 2n ≤ 3n ≤ c2 · 2n, for all n > n0.If such constants existed, then we could take the logarithm of both sides of the inequality and get:c1 · n · log 2 ≤ log 3n ≤ c2 · n · log 2.
Using the logarithmic identity log ab = b · log a, we can simplify this to:c1 · n · log 2 ≤ n · log 3 ≤ c2 · n · log 2Dividing both sides of the inequality by n · log 2, we get:c1 ≤ log 3 ≤ c2. But this is not possible, because log 3 is a constant, and there is no pair of constants c1 and c2 such that c1 ≤ log 3 ≤ c2. Therefore, the statement 3n is Θ(2n) is false.
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passes through (6, 3) and (14,-5)
Answer: m=-1
Step-by-step explanation: