The best description of the domain of the function is (c) all whole numbers
How to determine which best describes the domain of the function?The function is given as
C(t) = 0.05t + 20
The input variable of the above function is t
t represents the number of text messages
The number of text messages cannot be negative
Hence, the best description of the domain of the function is (c) all whole numbers
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solve for w: x=7w-8z-4
Answer:
W=x/7+ 8z/7 + 4/7
Step-by-step explanation:
this is all due today
Answer:
1√5
Step-by-step explanation:
Combine like terms
Answer:
-\(\sqrt{5}\), or about -2.24 in decimal form
Step-by-step explanation:
Add -3 and 2 and keep the \(\sqrt{5}\). -3+2 is -1, so the answer is -\(\sqrt{5}\).
How do you find the value of a definite integral?
To find the value of a definite integral, you need to use the fundamental theorem of calculus. This theorem states that if a function is continuous on a closed interval, then the value of the integral of this function over the interval is equal to the difference between the values of the function at the endpoints of the interval.
To find the value of a definite integral, you can use the following steps:
1. Define the function and the interval over which it is to be integrated.
2. Rewrite the function in terms of an anti-derivative or primitive.
3. Calculate the value of the integral by finding the difference between the values of the anti-derivative at the endpoints of the interval.
For example, if you are asked to find the value of the integral of x2 from 0 to 4, then you would proceed as follows:
1. Define the function as f(x) = x2 and the interval as [0, 4].
2. Rewrite the function as an anti-derivative, which is F(x) = x3/3.
3. Calculate the value of the integral as the difference between the values of the anti-derivative at the endpoints of the interval: F(4) - F(0) = (43/3) - (03/3) = 64/3.
Therefore, the value of the integral of x2 from 0 to 4 is 64/3.
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What is the name of the point from which a dilation is drawn?
An algorithm will be used to calculate the difference between the smallest and largest values in a list. For the list of [10, 3, 5, 6], it should calculate a difference of 7.
There are two proposals for the algorithm:
Algorithm 1: Set minVal to the first value in the list and maxVal to the last value in the list. Iterate through each number in the list. If the number is greater than maxVal, store it in maxVal. If the number is less than minVal, store it in minVal. After loop, set maxDiff to the difference between maxVal and minVal.
Algorithm 2: Set minVal to 1000 and maxVal to 0. Iterate through each number in the list. If the number is greater than maxVal, store it in maxVal. If the number is less than minVal, store it in minVal. After loop, set maxDiff to the difference between maxVal and minVal.
Which of these statements are true about these algorithms?
I. Algorithm 1 does not work on lists where the smallest value is at the start of the list or the largest value is at the end of the list.
II. Algorithm 2 does not work on lists that contain all negative numbers or all numbers over 1000.
The statements that are true about the given algorithms are: I. Algorithm 1 does not work on lists where the smallest value is at the start of the list or the largest value is at the end of the list. II. Algorithm 2 does not work on lists that contain all negative numbers or all numbers over 1000.
Algorithm 1's reliance on initializing minVal to the first value and maxVal to the last value can lead to incorrect results if the smallest or largest value is not properly updated during the iteration. Similarly, Algorithm 2's fixed initial values for minVal and maxVal can result in incorrect differences when dealing with lists containing all negative numbers or all numbers over 1000.
It is important to consider these limitations and potential failure cases when choosing and implementing an algorithm for calculating the difference between the smallest and largest values in a list.
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mckenna ears money eat time she shovels snow for her neghbors
Sorry, what is the question? OwO
Jenny is making jewelry craft kits. She purchases 3 bags of each color band. She divides the total number of bands equally into 4 kits. How many bands are in each kit?
Answer:
12
Step-by-step explanation:
Given:
3 bags of each color band
4 kits
To "divide equally" we need the greatest number that divides the two numbers 3 and 4 equally.
Find the greatest common factor of 3 and 4:
factors of 3 = 1,3,6,9,12,15,18,21,24....
factors of 4 = 1,2,4,8,12,16,20,24...
How many bands are in each kit?
12 or any other number that is a factor of both 3 and 4 such as 24,..etc.
The diagram shows a
regular pentagon
and a square.
Calculate the size of
the angle marked x.
You must show all
your working.
Step-by-step explanation:
A regular Pentagon has 5 angles of 108° each
A square has 4 angles of 90° each
x will be equal to 360° minus the other 2 angles around it
x=360-(90+108)
x=360-198
x= 162°
You perform a Chi-Square test and obtain a p-value lower than 0.01. What does that mean?
Performing a Chi-Square test is a statistical tool used to determine if there is a significant difference between observed and expected data. The test helps to analyze categorical data by comparing observed frequencies to the expected frequencies. The p-value in a Chi-Square test refers to the probability of obtaining the observed results by chance alone.
If a p-value lower than 0.01 is obtained in a Chi-Square test, it means that the results are statistically significant. In other words, there is strong evidence to reject the null hypothesis, which states that there is no significant difference between the observed and expected data. This means that the observed data is not due to chance alone, but rather to some other factor or factors.
The mean, or average, is not directly related to the Chi-Square test or the p-value. The Chi-Square test is specifically used to determine the significance of the observed data. However, the mean can be used as a measure of central tendency for continuous data, but it is not applicable to categorical data.
In conclusion, obtaining a p-value lower than 0.01 in a Chi-Square test means that there is strong evidence to reject the null hypothesis, and that the observed data is statistically significant.
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Find the volume of a right circular cone that has a height of 3.5 ft and a base
with a diameter of 11.9 ft.
Step-by-step explanation:
the volume of a cone is
base area × height / 3
and the case area is a circle, so we get
pi×r²×h/3
with e being the radius (half of the diameter), and h being the height.
therefore
pi×(11.9/2)²×3.5/3 = pi×(5.95)²×3.5/3 = 41.30291667... ft³
What are the 3 formulas for the area of a triangle?
The 3 different formulas for area of triangle are :
\(A = \frac{1}{2}* b* h\)
\(A = \frac{\sqrt{3}}{4} * side^2\)
\(A =\sqrt{s(s-a)(s-b)(s-c)}\)
In a 2-D plane, the area of a triangle is the region enclosed by it. A triangle, as we all know, is a closed shape with three sides and three vertices. The general formula for calculating the area of a triangle is half of the product of its base and height.
To calculate the area of a triangular polygon, we must first determine its base (b) and height (h).
Area of triangle is \(A = \frac{1}{2}* b* h\).
When all sides of triangle, then the triangle is called equilateral triangle.
Area of an Equilateral Triangle ,\(A = \frac{\sqrt{3}}{4} * side^2\)
Heron's formula can be used to calculate the area of a triangle with three sides of varying lengths. The first step is to calculate the semi-perimeter of a triangle by adding all three sides and dividing by two. The following step is to use the semi-perimeter of a triangle value in the main formula known as "Heron's Formula" to calculate the area of a triangle.
\(A =\sqrt{s(s-a)(s-b)(s-c)}\)
Where, \(s=\frac{a+b+c}{2}\)
Thus, there are many ways to determine the area of triangle.
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5x+3−3x−5
I only asked this question if anyone needs to ask, so they don't have to.
Answer:
2x-2
Step-by-step explanation:
It takes Mr. Tuchtie x minutes to rake his yard. It takes his daughter x-30 minutes to do it. When they work together it takes 60 minutes. How long does it take Mr. Tuchtie to do it by himself?
Answer:
45 minutes
Step-by-step explanation:
I attached a pic of my work.
Can someone help me with this..
Answer: f(n) = 27 - 3n
Hope this helped
What is the constant terms
Answer:
In mathematics, a constant term is a term in an algebraic expression that has a value that is constant or cannot change, because it does not contain any modifiable variables. ... A term is a constant or the product of a constant and one or more variables.
Step-by-step explanation:
;-;
Suppose a bunny's second hop is 6% higher than first hop. Classify the statement below as true or false. If the statement is false, correct it. The bunny's second hop is 6% of first hop.
Answer:
false because classify 6% then we can talk
Use a triple integral to find the volume of the given solid.The solid enclosed by the paraboloidsy = x2 + z2andy = 72 − x2 − z2.
The volume of the given solid enclosed by the paraboloids y = x2 + z2andy = 72 − x2 − z2 is 10368 cubic units.
Using a triple integral, we will integrate over the region of the xz-plane that is enclosed by the paraboloids.
The limits of integration for x and z can be found by solving the two equations for x^2 + z^2:
$x^2 + z^2 = y = x^2 + z^2 + 72 - x^2 - z^2$
$x^2 + z^2 = 36$
Therefore, the limits of integration for x and z are from -6 to 6.
The limits of integration for y are from the equation of the lower paraboloid $y = x^2 + z^2$ to the equation of the upper paraboloid $y = 72 - x^2 - z^2$.
Therefore, the limits of integration for y are from $x^2 + z^2$ to $72 - x^2 - z^2$.
The triple integral for the volume of the solid is:
$\iiint_V dV = \int_{-6}^{6} \int_{-6}^{6} \int_{x^2+z^2}^{72-x^2-z^2} dy dz dx$
Integrating with respect to y:
$\int_{x^2+z^2}^{72-x^2-z^2} dy = 72 - 2(x^2 + z^2)$
Substituting this into the triple integral gives:
$\iiint_V dV = \int_{-6}^{6} \int_{-6}^{6} (72 - 2(x^2 + z^2)) dz dx$
Integrate with respect to z:
$\int_{-6}^{6} (72 - 2(x^2 + z^2)) dz = 72(12) - 4x^2(6) = 864 - 24x^2$
Integrate with respect to x:
$\int_{-6}^{6} (864 - 24x^2) dx = 2(864)(6) - 2\int_{0}^{6} (24x^2) dx = 10368$
Therefore, the volume of the solid enclosed by the paraboloids $y = x^2 + z^2$ and $y = 72 - x^2 - z^2$ is 10368 cubic units.
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19 cm 15 cm triangle and I don’t know the other side
Answer:
well it looks equal to 15 cm so its probably 15 cm
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a bag contain 150 marbles. some are blue, and the rest are white. there are 21 blue marbles for every 4 white marbles.How many blue marbles are in the bag? Explain your resoning.
Answer:
787.5
Step-by-step explanation:
150x21÷4 sana makatolong
a college plans to interview 12 students for possible offer of graduate assistantships. the college has 4 assistantships of different value available. how many ways can the assistantships be awarded
The assistantships can be awarded in 495 different ways.
Step 1: Identify the values
We are given that there are 12 students and 4 assistantships to be awarded.
Step 2: Apply the combination formula
The combination formula, also known as "n choose r" or denoted as C(n, r), calculates the number of ways to choose r items from a set of n items without regard to their order. In this case, we want to find the number of ways to choose 4 students out of the 12 for the assistantships.
The combination formula is given by:
C(n, r) = n! / (r! * (n - r)!)
Step 3: Calculate the factorials
To apply the combination formula, we need to calculate the factorials of the numbers involved. The factorial of a number is the product of that number and all positive integers below it.
In this case, we have:
12! = 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1
4! = 4 x 3 x 2 x 1
8! = 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1
Calculating the factorials:
12! = 479,001,600
4! = 24
8! = 40,320
Step 4: Apply the combination formula
Substitute the calculated factorials into the combination formula:
C(12, 4) = 12! / (4! * 8!)
Calculating further:
C(12, 4) = 479,001,600 / (24 * 40,320)
C(12, 4) = 479,001,600 / 967,680
C(12, 4) ≈ 495
Therefore, there are 495 different ways the college can award the 4 assistantships to the 12 students.
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find the slope of the line
Answer:
The slope of the line is 1
Step-by-step explanation:
I picked two points on the line: (0,3) and (-3,0). Then, I used the formula for slope which is the change in y over the change in x and got the answer 1.
16) Avery selects two chips from a bag without looking at them. The bag has 5 green chips, 3 red chips, and 7 blue chips. What is the probability that he selects a red and then a blue chip (without replacing)? * 6 points 2/3 7/75 1/10 2/45
Answer: \(\dfrac{1}{10}\)
Step-by-step explanation:
Given: The bag has 5 green chips, 3 red chips, and 7 blue chips.
Total chips = 5+3+7= 15
Number of ways to select a red and then a blue chip = 3 x 7 = 21
Total number of ways to select 2 chips without replacement = 15 x 14 =210
Required probability = \(\dfrac{\text{favorable outcomes}}{\text{Total outcomes}}\)
\(=\dfrac{21}{210}=\dfrac{1}{10}\)
So, the probability that he selects a red and then a blue chip (without replacing) = \(\dfrac{1}{10}\)
2. if a sample has a mean of 100 and standard deviation of 6, what value would correspond the the z-score of 2?
The z-score of 2 for a sample has a mean of 100 and a standard deviation of 6 is 112.
The value that would correspond to the z-score of 2 for a sample with a mean of 100 and standard deviation of 6 can be calculated using the formula for z-score:
z = (x - mean) / standard deviation
In this case, we want to find the value of x that corresponds to a z-score of 2. We can rearrange the formula to solve for x:
x = (z * standard deviation) + mean
Substituting the values given in the question:
x = (2 * 6) + 100
x = 12 + 100
x = 112
Therefore, the value that corresponds to the z-score of 2 for this sample is 112.
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Evaluate the expression: (− 8)(15)(− 1/2)
Answer: 60
Step-by-step explanation:
Answer:60
Step-by-step explanation:
((−8)(15) (-1/2) =60
can i please get help now
Answer:
-11q+1
Step by Step Explanation:
7-6-2q-9q
1-2q-9q
1-11q= -11q+1
A pyramid has a base area of 44cm and a height of 12. 6 cm what is the volume of the pyramid ?
Pyramids have been a symbol of great architecture inventions of the mankind. Egyptian People were the first once to design pyramids on a very large level.
Let a be the Side of Area of base of Pyramid . The base of a pyramid is a square shaped quadrilateral
The Volume of the Pyramid with base area and height is given by the equation (1)
\(Volume = (1/3)Ah....(1)\)
\(A = a^{2}\)
\(a = Side\)
A = \(a^{2}\) = \(44cm^{2}\)
\(h = 12.6\)
Putting these values in equation (1) we get
\(Volume = (1/3)X44X12.6\)
\(Volume\) \(= 184.8cm^{3}\)
Hence , the volume of the pyramid is 184.8cm³
Which equation best represents the axis of symmetry? F y = 6 G X= 2 Hy = 4 J x = 0
SOLUTION:
We are to find the equation that best represents the axis of symmetry in the given graph.
The axis of symmetry is the line that divides the graph into two equal parts and it is parallel to y - axis.
By critical and careful examination, it is clear that the line of symmetry is x = 2 ( when you draw a line parallel to y-axis, it divides the graph into equal parts.
So the correct option is G that is, x = 2
A Ferris wheel is designed in such a way that the height (h), in feet, of the
seat above the ground at any time, t, is modeled by the function h(t) = 49cos
(π/15+T) + 50. What is the maximum height of the wheel?
Home plate for professional baseball has the dimensions shown below. What is the area of home plate, in square inches?
Answer:
Hi! The answer to your question is 176,868 Square Inches
Step-by-step explanation:
\(Area = Length * Width\)
\(8.5 * 12 * 12 *8.5 * 17 = 176,868\)
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PLEASE HELP VERY URGENT
The simplified forms of the radical expressions:
√2 - 9∛3 4√3 21∛2 - 31√6How to simplify additions of radical expressions
In this question we find five cases of addition of radical expressions that must be simplified into a single radical expression, that is, a radical expression of the form a√b. The simplification can be done by using algebra properties. The complete procedure is shown below:
Case 1
- 3√18 + 10√2
- 3 · (√9 × √2) + 10√2
- 3 · 3 · √2 + 10√2
- 9√2 + 10√2
√2
Case 2
- 2∛24 - 5∛3
- 2 · (∛8 × ∛3) - 5∛3
- 2 · 2 · ∛3 - 5∛3
- 4∛3 - 5∛3
- 9∛3
Case 3
5√12 - 2√27
5 · (√3 × √4) - 2 · (√3 × √9)
5 · 2 · √3 - 2 · 3 · √3
10√3 - 6√3
4√3
Case 4
5∛16 + 11∛2
5 · (∛8 × ∛2) + 11∛2
5 · 2 · ∛2 + 11∛2
10∛2 + 11∛2
21∛2
Case 5
3√54 - 21√24
3 · (√6 × √9) - 21 · (√6 × √4)
3 · 3 · √6 - 21 · 2 · √6
9√6 - 42√6
- 31√6
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