Answer:
0.24186
Step-by-step explanation:
40 x (3/5) = 24
24 x (3/5) = 72/5 or 14.4
Keep multiplying 3/5 or 0.6
= 0.24186
find the product. give your answer as a simplified fraction. 5/6×5=?
To solve:
\(\frac{5}{6}\cdot5\)We multiply the denominator by 5:
\(\frac{5\cdot5}{6}=\frac{25}{6}\)To write it as a simplified fraction, we can note that 4 * 6 = 24
Then:
\(\frac{25}{6}=4\frac{1}{6}\)
What are the slopes of GH, HI, IJ, JG
The slopes of GH, HI, IJ, and JG include the following:
Slope GH = 2.Slope HI = -4.Slope IJ = 2.Slope JG = -4.How to calculate or determine the slope of a line?In Mathematics and Geometry, the slope of any straight line can be determined by using the following mathematical equation;
Slope (m) = (Change in y-axis, Δy)/(Change in x-axis, Δx)
Slope (m) = rise/run
Slope (m) = (y₂ - y₁)/(x₂ - x₁)
By substituting the given data points into the formula for the slope of a line, we have the following;
Slope GH = (-3 + 9)/(-4 + 7)
Slope GH = 6/3
Slope GH = 2.
Slope HI = (5 + 3)/(-6 + 4)
Slope HI = -8/2
Slope HI = -4.
Slope IJ = (-1 - 5)/(-9 + 6)
Slope IJ = -6/-3
Slope IJ = 2.
Slope JG = (-9 + 1)/(-7 + 9)
Slope JG = -8/2
Slope JG = -4.
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32 can go into 96 how many times
Answer:
3 times osndneif8dhwlcodk
Answer:
3 times
Step-by-step explanation:
96/32=3
32+32=64+32=96
given: δabc is a right triangle. prove: a2 + b2 = c2
In a right triangle, the Pythagorean theorem states that the square of the length of the side opposite the right angle (side AB) plus the square of the length of the side adjacent to the right angle (side BC) is equal to the square of the length of the hypotenuse (side AC).
In a right triangle, one of the angles is a right angle, which measures 90 degrees. Let's label the sides of the triangle as follows: AB is the side opposite to the right angle, BC is the side adjacent to the right angle, and AC is the hypotenuse, which is the side opposite to the remaining acute angle.
According to the Pythagorean theorem, in any right triangle, the sum of the squares of the lengths of the two shorter sides is equal to the square of the length of the hypotenuse. Mathematically, it can be expressed as:
A\(B^{2}\) + B\(C^{2}\) = A\(C^{2}\)
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in a jar containing dry beans, the ratio of white beans to kidney beans is 5:4. if 30 white beans were replaced with 30 kidney beans, the ratio would be 1:1. how many more white beans are there than kidney beans?
As per the unitary method, the amount of white beans are there than kidney beans are 30.
The term unitary method is known as a technique for solving a problem by first finding the value of a single unit and then finding the necessary value by multiplying the single unit value.
Here we have given that in a jar containing dry beans, the ratio of white beans to kidney beans is 5:4.
And we also know that if 30 white beans were replaced with 30 kidney beans, the ratio would be 1:1.
Here we have consider that let the number of pinto beans be x and that is the number of white beans will be x + 30
In which means the total number of beans in the jar will be written as,
=> x + x + 30 = 2x + 30
Here we know that the Total ratio is calculated as,
=> 5 + 4 = 9
In order to find the number of pinto beans then it can be calculated as,
=> ratio of pinto beans / Total ratio X Total number of beans
Which can be written as.
=> (2x + 30) = x
When we simplify this one then we get the value of x as,
=> x = 30.
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a suitcase lock has 4 dials with the digits $0, 1, 2,..., 9$ on each. how many different settings are possible if all four digits have to be different?
Are 5,040 different possible settings for the suitcase lock if all four digits have to be different.
For the first dial, there are 10 possible digits (0 to 9) that can be set. For the second dial, there are 9 remaining digits to choose from (since we cannot repeat the digit from the first dial). For the third dial, there are 8 remaining digits to choose from (since we cannot repeat any of the digits from the first two dials). Finally, for the fourth dial, there are 7 remaining digits to choose from.
Therefore, the total number of possible settings for the suitcase lock with all four digits different is:
10 × 9 × 8 × 7 = 5,040
There are 5,040 different possible settings for the suitcase lock if all four digits have to be different.
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What is a reason not to use a chi-square test of homogeneity to analyze a set of data?
A reason not to use a chi-square test of homogeneity to analyze a set of data is if the assumptions of the test are not met. These assumptions include:
1. The data must be categorical, meaning it consists of counts or frequencies in different categories.
2. The sample size must be large enough, with an expected frequency of at least 5 in each cell of the contingency table.
3. The observations must be independent, meaning each data point should not influence the others.
If any of these assumptions are not met, it may not be appropriate to use a chi-square test of homogeneity to analyze the data. Instead, you may need to consider alternative statistical methods that better suit your data and research question.
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The points on a parabola where the graph changes from increasing to decreasing
The turning point of a parabola, also called the vertex, is the point on the parabola where the graph changes from increasing to decreasing, or from decreasing to increasing.
What is parabola?
A parabola may be a formed plane curve wherever any point is at an equal distance from a fixed point (known because the focus) and from a fixed line that is known because the directrix.
Main BODY:
When a graph is rising from left to right, we say that it is increasing. When a graph is falling from left to right, we say that it is decreasing. The points at which this trend changes in a graph are called the turning points of the graph. Since a parabola has the shape of a U or an upside down U, it has exactly one turning point, which we can identify using the following facts:
If a parabola is in the shape of a U, then the turning point is a minimum point, or where the parabola changes from decreasing to increasing.If a parabola is in the shape of an upside down U, then the turning point is a maximum point, or where the parabola changes from increasing to decreasing.Hence ,The turning point of a parabola is called the vertex.
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Write an exponential growth model giving the earnings y (in millions of dollars) t years after 2015. Write the base of the model as a decimal.
A. An exponential growth model is y=??
B. In which year will the player's earnings first exceed $5,000,000?
Answer:
B
Step-by-step explanation:
Hshwhehebebebebeheheh
In the figure there are 5 equal rectangles and each of its sides is marked with a number as indicated in the drawing. Rectangles are placed without rotating or flipping in positions I, II, III, IV, and V in such a way that the sides that stick together in two rectangles have the same number. Which of the rectangles should go in position I?
The rectangle which should go in position I is rectangle A.
We are given that;
The rectangles A,B,C and D with numbers
Now,
To take the same the number of side
If we take A on 1 place
F will be on second place
And B will be on 4th place
Therefore, by algebra the answer will be rectangle A.
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if your p-value is .11, and the significance level is .05, what do you conclude?
The p-value is .11 and the significance level is .05, then we fail to reject the null hypothesis.
The p-value represents the probability of obtaining the observed results, or results more extreme, assuming the null hypothesis is true. In this case, the p-value is greater than the significance level, which means that the observed results are not significant enough to reject the null hypothesis.
With a p-value of .11 and a significance level of .05, we can conclude that there is not enough evidence to reject the null hypothesis.
When comparing the p-value to the significance level (0.05), if the p-value is less than or equal to the significance level, you would reject the null hypothesis, indicating that there is a significant effect or difference.
If the p-value is greater than the significance level, you would fail to reject the null hypothesis, meaning that you cannot conclude that there is a significant effect or difference.
Hence, the p-value (0.11) is greater than the significance level (0.05), you fail to reject the null hypothesis, which means you cannot conclude that there is a significant effect or difference.
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how to find coefficient of variation on ti 84 plus
You can find the coefficient of variation for your data set using a TI-84 calculator by following the below steps.
To find the coefficient of variation (CV) using a TI-84 calculator, follow these steps:
1. Enter the data set values into a list on your calculator. For example, if your data is stored in the list L1, enter the values into L1.
2. Calculate the mean of the data set using the calculator's statistical functions. Press the [STAT] button and navigate to the "Calc" menu. Choose the appropriate mean function (e.g., "1-Var Stats" or "mean") and select the list that contains your data (e.g., L1).
3. Calculate the standard deviation of the data set using the calculator's statistical functions. Press the [STAT] button, navigate to the "Calc" menu, and choose the appropriate standard deviation function (e.g., "1-Var Stats" or "stdDev"). Select the list containing your data (e.g., L1).
4. Divide the standard deviation by the mean and multiply by 100 to calculate the coefficient of variation. Store the standard deviation and mean values in variables if necessary. Use the formula CV = (stdDev / mean) * 100 to calculate the coefficient of variation.
By following these steps, you can find the coefficient of variation for your data set using a TI-84 calculator.
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To find the coefficient of variation on a TI-84 Plus calculator, enter the dataset into a list, calculate the mean and standard deviation, and then divide the standard deviation by the mean and multiply by 100.
Finding the coefficient of variation on a TI-84 Plus calculatorTo find the coefficient of variation on a TI-84 Plus calculator, follow these steps:
By following these steps, you can find the coefficient of variation for a dataset using a TI-84 Plus calculator.
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"
25 POINTS AND BRAINLIEST!! Clay wants to ride a Ferris wheel that has a radius of 80 feet and is suspended 9 feet above the ground. The wheel makes 6 revolutions in one minute. Find the period and amplitude.
Answer:
Step-by-step explanation:
Linear velocity and angular velocity are related by the formula:
v = ωr
ω = n2πr/t, where n is the number of rotations, t is the time taken, r is the radius.
ω = 2 x 2π x 25/1
ω = 100π
v = 100π x 25
= 2500π feet per minute
Point B is on line segment AC
Given: AB = 4x - 6, AC = 2x + 10, and BC=4, determine the numerical length of AC.
Answer:
22
Step-by-step explanation:
AB + BC = AC
4x -6 + 4 = 2x + 10 Combine like terms
4x -2 = 2x + 10 Subtract 2s from both sides of the equation
2x -2 = 10 Add 2 to both sides
2x = 12 Divide both sides by 2
x = 6
Plug in 6 for x in AC
2x + 10
2(6) + 10
12 + 10
22
Simplify:
3x (x^2 + 5x – 4)
The answer is 3x^3+15x^2-12x.
Logan has two aquariums. One aquarium contains 1.7 cubic feet of water and the other contains 1.1 cubic feet of water. The water in the larger aquarium weighs 37.44 pounds more than the water in the smaller aquarium. Complete the equation with a variable on both sides to represent the situation. Use x to represent the weight of 1 cubic foot of water. Then find the weight of 1 cubic foot of water.
The weight of 1 cubic foot of water, represented by x, is approximately 62.4 pounds.
We have,
Let's use the variable x to represent the weight of 1 cubic foot of water.
According to the given information, the larger aquarium with 1.7 cubic feet of water weighs 37.44 pounds more than the smaller aquarium with 1.1 cubic feet of water.
We can set up the equation as follows:
1.7x = 1.1x + 37.44
Here, 1.7x represents the weight of the water in the larger aquarium (1.7 cubic feet multiplied by the weight per cubic foot), 1.1x represents the weight of the water in the smaller aquarium (1.1 cubic feet multiplied by the weight per cubic foot), and 37.44 is the weight difference between the two aquariums.
To find the weight of 1 cubic foot of water, we can solve this equation for x.
Subtracting 1.1x from both sides of the equation:
1.7x - 1.1x = 1.1x + 37.44 - 1.1x
0.6x = 37.44
Dividing both sides of the equation by 0.6:
x = 37.44 / 0.6
x ≈ 62.4
Therefore,
The weight of 1 cubic foot of water, represented by x, is approximately 62.4 pounds.
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Nora placed 12 cans in each box.How many boxes will she need if she has 240 cans?
Answer:
20 boxes
Step-by-step explanation:
12 cans = 1 box
240 = x
apply rule of three
(240/12) x 1 = x
20 = x
Answer:
She will need 20 boxes
Step-by-step explanation:
Take the total number of cans and divide by the number of cans per box
240/12
20
She will need 20 boxes.
One-third of a painting job takes 24 hours. How long will it take to finish the entire job?
Answer:
72hrs
Step-by-step explanation:
I have cancelled both threes because the denominator was the same.
I hope you understand the method I have used.
good day.
The length of a new rectangular playing field is 8 yards longer than quadruple the width. If the perimeter of the rectangular playing field is 576 yards, what are its dimensions?
Answer:
• Width: 56 yards.
,• Length: 232 yards.
Explanation:
Let the width of the rectangular field = w
Quadruple the width = 4w
The length is 8 yards longer than quadruple the width. Therefore:
\(\text{Length}=(4w+8)\text{ yards}\)The perimeter of the field is 576 yards.
\(\begin{gathered} \text{Perimeter of a rectangle = 2(Length+Width)} \\ 576=2(4w+8+w) \end{gathered}\)We solve the equation for w.
\(\begin{gathered} \text{Divide both sides by 2} \\ \frac{576}{2}=\frac{2(4w+8+w)}{2} \\ 288=5w+8 \\ \text{Subtract }8\text{ from both sides} \\ 288-8=5w \\ 280=5w \\ \text{Divide both sides by }5 \\ \frac{280}{5}=\frac{5w}{5} \\ w=56\text{ yards} \end{gathered}\)The width of the rectangular playing field is 56 yards.
Next, we find the length.
\(\begin{gathered} \text{Length}=(4w+8)\text{ yards} \\ =4(56)+8 \\ =224+8 \\ =232\text{ yards.} \end{gathered}\)The length of the rectangular playing field is 232 yards.
The Mississippi River flows at a rate of 16,790 cubic meters per second. Choose the best approximation of the flow rate of the Mississippi River. Choose 1 answer: A:2 * 10^3 B: 2*10^4
Answer:
B, 2(10^4)
Step-by-step explanation:
2(10^3)= 2000
2(10^4)= 20000
2(10^4) Is closer to 16790 than 2(10^3)
Which is the best estimate of?
square root 35
______________________________ (three words) are a precise mathematical description of the semantics of an executing program.
Program State Model describes a precise mathematical description of the semantics of an executing program.
This model is used to illustrate how the program executes and to determine its behavior. It is composed of three components: states, transitions, and actions. A program state is a snapshot of the program's state at a particular point in its execution. It includes the values of variables and other resources. Transitions are the changes that occur between states, and are caused by the execution of instructions. Finally, actions are the operations that are performed by the program as it transitions from one state to the next. All of these components together provide a mathematical model for understanding the behavior of a program.
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A mixture of concrete is made up of 62.5% sand and 37.5% cement. How many cubic feet of sand and cement are needed to make 160 cubic feet of concrete mix?
The cubic feet of sand and cement are needed to make 160 cubic feet of concrete mix include 100 and 69 cubic feet respectively.
How to calculate the value?The mixture of concrete is made up of 62.5% sand and 37.5% cement.
In this case, 160 cubic feet of concrete mix is needed.
Sand will be:
= Percentage × Total mix
= 62.5% × 160
= 100 cubic feet
Cement will be:
= 37.5% × 160
= 60 feet
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Personal Math TrainerLesson 5.3 - Hon95161718101121314Luis wants to buy a scateboard that usually sells for $79.57. All merchandise is discounted by 12%. What isthe total cost of the skateboard if Luis has to pay a state sales tax of 8 25%. Round your intermediatecalculations and answer to the nearest centThe total cost of the scateboard is sl
The total cost of skateboard after tax is removed = $87.53
Explanation:Initial cost of scateboard = $79.57
Discount = 12%
Discounted price = Initial cost of scateboard × 12%
= 79.57 × 0.12
Discounted price = 9.5484 = $9.55
Note: Discount is subtracted while sales tax is added to the cost of item
The amount left after discount is removed before tax= Initial cost of scateboard - Discounted price
The amount left after discount is removed = $79.57 - $9.55
The amount left after discount is removed = $70.02
Sales tax = 25%
Amount of sales tax = The amount left after discount is removed × 25%
= $70.02 × 0.25 = 17.505
Amount of sales tax = $17.51
The total cost of skateboard after tax is removed = The amount left after discount is removed + Amount of sales tax
The total cost of skateboard after tax is removed = $70.02 + $17.51
The total cost of skateboard after tax is removed = $87.53
What is the length of side s of the square shown below? 8 90"
A. 2
B. 4
C. √8
D. 4√2
E. 1
F. 8√2
i need help on this, pls :)
what is the value of a?
Pleaseeee help im confused best answer will get brainliest.
Answer:
10x + 4
Step-by-step explanation:
10x + 4
There are two sides on each so 2(x+1) = 2x + 2 and 2(4x + 1) = 8x + 2. (8x+2) + (2x + 2) = 10x + 4
the function f is defined by the power series f(x)= (-1)^nx^2n/(2n 1)!.
The function f(x) is defined as the power series:
f(x) = (-1)^n * x^(2n) / ((2n)!)
Let's analyze the properties of this function based on the given power series representation.
1. Differentiability: The function f(x) defined by a power series is differentiable within its interval of convergence. Since no specific interval is given for x, we cannot determine whether f(x) is differentiable at any specific point, such as x = 5.
2. Continuity: Power series representations of functions are continuous within their interval of convergence. Therefore, we can conclude that f(x) is continuous for all values of x within its interval of convergence. However, without knowing the interval of convergence, we cannot make any specific conclusions about the continuity of f(x) at x = 5.
3. Limit as x approaches 5: Without knowing the interval of convergence of the power series, we cannot determine the behavior of the function f(x) as x approaches 5.
4. Existence of f(5): To find the value of f(5), we need to substitute x = 5 into the power series representation. However, without knowing the interval of convergence, we cannot determine if f(x) is defined or converges at x = 5.
5. Integral of f(c) dx: Without a specific interval of integration and knowing the convergence properties of the power series, we cannot determine the existence or value of the integral ∫ f(c) dx.
In summary, based on the given power series representation of f(x), we cannot determine whether f(x) is differentiable, continuous, or has specific properties at x = 5 or any other point, without knowledge of the interval of convergence.
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Please help
The problem below is solved incorrectly.
Part A: Find the mistake in the work/answer and explain what the mistake is.
Part B: Find the correct answer.
The given figure is a right triangular prism, with 2 parallel and congruent triangular faces and 3 rectangular faces.
The triangular faces have sides 13 ft, 13ft and 24 ft and the height of 5 ft.
Two of the rectangular faces are 13 ft x 30 ft and the remaining face is 24 ft x 30 ft.
Surface area is the sum of areas of all 5 faces.
Area formula for triangle is A = bh/2 and for rectangle is A = ab.
Let's verify the steps of calculation.
Part AStep 1
13 x 30 = 390, right390 x 2 = 780, rightThis is right
Step 2
30 x 24 = 720, right720 x 2 = 1440, wrong as there is only one face of same dimensionsThis is wrong
Step 3
24 x 5 x 0.5 = 60, right60 x 2 = 120, rightThis is right
Step 4
780 + 1440 + 120 = 2340 sq ft, this is wrong because of wrong step 2Part BCorrection in step 2, it should be 720 but not 1440.
Correction in last step, the sum:
780 + 720 + 120 = 1620 sq ftIn the 1980s, Earth had about five months of very hot weather. In the 1990s, Earth had about
22 months of very hot weather. What is the percent increase in hot weather months from the
1980s to the 1990s? Round to the nearest percent.
Answer:
340%
Step-by-step explanation:
1980s = 5 months of very hot weather
1990s = 22 months of very hot weather
What is the percent increase in hot weather months from the
1980s to the 1990s?
Percent increase = (22 months - 5 months) / 5 months × 100
= 17 / 5 × 100
= 3.4 × 100
= 340%
Percent increase in hot weather months from the 1980s to the 1990s is 340%