How can multiplying integers be used in the real world???

Answer:

B

Step-by-step explanation:

hope this helped

-B

According to the information provided by the graph, it can be inferred that in town A there is a lower percentage (20%) than the national percentage of bicycles with off-road wheels, while in town B the percentage is higher (45%).

To calculate the percentage of bicycles with off-road wheels in each town, we must perform the following mathematical operation.

First we must add the number of bicycles of each type to know the total number of bicycles in the town:

Now we must calculate what percentage is equivalent to 3 bicycles with off-road wheels from town A and what percentage is equivalent to 9 bicycles with off-road wheels from town B.

15 ÷ 100 = 0.15

0.15 × 20 = 3

So, 3 bicycles with off-road wheels from town A are equivalent to 20% of the total number of bicycles.

Then the 9 bicycles with off-road wheels in town B are equivalent to 45% of the total number of bicycles.

According to the above, 20% of the bicycles in town A have off-road wheels, while 45% of the bicycles in town B have off-road wheels.

Note: This question is incomplete because there are some missing information. Here is the missing information.

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Answer:

Step-by-step explanation:

The number of ways for six ce majors and ten cs majors to stand in a line so that no two ce majors stand next to each other are 462.

We need to maintain one condition that no two ce majors stand next to each other.

So, what we can do firstly we allow ten cs majors to stand in a line as there are no restrictions on cs majors.

Total number of ways by which ten cs majors can stand=10!=3628800

Now, when 10 cs majors stand in a line then we have 11 spaces.

Now, we need to choose such  space for 6 ce majors so that no two ce majors stand next to each other.

So, it is equivalent to choose 6 spaces from 11 spaces which is given by \(^1^1C_6\) ways =(11!)/(6!×5!)=11×2×3×8×7=462ways.

Hence, total number of ways are 462.

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Hello,

U (n +1) = Un + 6

Un = Uo + nr

U9 = 7 + 9 × 6 = 7 + 54 = 61

Answer:

nth term = 6n + 1.

Step-by-step explanation:

The first term a1 = 7 and the common difference d =  6.

nth term = a + d(n - 1)

= 7  + 6(n - 1)

= 6n + 1.

For every mile the car is driven, the cost increases by 0.52 units.

Consider a line that passes through the origin at a distance 'a' from the Y-axis and has a slope of m. In this situation, the distance an is the definition of the line's y-intercept. At this moment, the line will cross the y-axis (0, a). The equation for the line will then be y = mx + a. The same goes for a line that crosses the X-axis at a position b from the origin and has a slope of m. (b,0). The distance b is the line's x-intercept. The equation for the line will be y = m* (x-b)

Given, the equation that relates cost of renting and miles driven is
y = 0.52 x + 186
Therefore, for a car travelling one mile, cost is y₁ = 0.52*1 + 186 = 186.52
For a car travelling two miles, cost is y₂ = (0.52*2) + 186 = 187.04
Thus, for every next mile the cost increases by = y₂ - y₁ = 187.04 - 186.52 = 0.52 units

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Answer:

32 km/hr

Step-by-step explanation:

Firstly, you need to find the speed of both trains in km/hr.

Paolo's train= (70km x 60hr)/35= 120 km/hr

Monika's train= 684km/4.5hr= 152 km/hr

Then find the difference in speed:

152-120=32 km/hr

The given statement "A researcher decides to lower the alpha level that determines the critical region(s) prior to conducting a hypothesis test to increase the power of the hypothesis test." because it reduces the probability of making type I error.

Lowering the alpha level means that the researcher is reducing the probability of making a type I error, which is rejecting the null hypothesis when it is actually true. This means that the critical region(s) will be smaller and it will be more difficult to reject the null hypothesis.

However, reducing the probability of making a type I error will increase the probability of making a type II error, which is failing to reject the null hypothesis when it is actually false. To decrease the probability of making a type II error, the power of the test needs to be increased.

This can be done by increasing the sample size or by lowering the level of significance (alpha). By lowering the alpha level, the critical region(s) will become smaller, which increases the probability of rejecting the null hypothesis when it is actually false. Therefore, the power of the test will be increased.

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Measure of arc MLK is 270°

Angle MKL = 135 degrees

We are looking for the measure of the arc MLK

The diagram shows an angle formed by a chord (MK) and tangent

The relationship between angle formed by a chord and tangent:

Measure of arc MLK:

Answer:

5.6ft squared

Step-by-step explanation:

4x7 = 28 divided by 5 which is 5.6

The probability that the amount dispensed per box will have to be increased is 0.

To answer this question, we need to know the target amount that should be distributed per carton.

Assuming that the target amount is also 1 pound, we can use the concept of the normal distribution to estimate the likelihood that we will have to increase the amount distributed per case.

hence the probability of having to increase the amount is 0.

z = (target volume - mean) / standard deviation

z = (1 - 1) / 0.2

z = 0

A Z-score of 0 indicates that the target volume is equal to the mean. A standard normal distribution table or calculator can be used to find the probability that the amount should be increased.

However, the target amount is equal to the mean value,

In summary, without knowing the target amount to be dispensed in each case, it is not possible to determine the potential for volume increases.

If the target amount is to be £1 and the mean and standard deviation is also £1 and 0.2 respectively, then the probability of having to increase the amount is 0.

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Answer:

it's D

Step-by-step explanation:

4x represents the hours and A, B, and C doesn't make sense especially c because it has a -4 so the correct answer is D I'm sure

Answer:

Choice D  y = 4x -12

Step-by-step explanation:

Since Kevin owes his brother $12, we can clarify that b=-12. He also has a babysitting job where he receives $4 an hour which we can express as 4x; let x represent the amount of hours he works.

The graph equation is y=mx + b

so, y = 4x -12

Answer:

Depends how much each box costs

Step-by-step explanation:

Anyways just divide 26 by the cost of the boxes

Ex: The boxes cost 2$

26/2=13

So 13 boxes if they cost two dollars

Answer:

conditional: If the polygon is equilateral, then the polygon is regular.

converse: if a polygon is regular, then it's an equilateral (T)

inverse: If the polygon isn't an equilateral, then the polygon isn't regular. (F)

contrapositive: If the polygon isn't regular then the polygon isn't an equilateral. (T)

Answer:

12 members

Step-by-step explanation:

Answer:

12 are percussionists

Step-by-step explanation:

60 members x 0.20 (20%)= 12 percussionists

Answer:

The enumerated powers of the United States Congress are the powers granted to the federal government of the United States. Most of these powers are listed in Article I, Section 8 of the United States Constitution.

Step-by-step explanation:

Answer:

D) If C lies on AB and is between A and B, then AC + CB = AB.

Step-by-step explanation:

Statements A, B and C are postulates while statement D is a theorem.

A postulate is a statement that is true but cannot be proven, but a theorem is a statement that can be proven.

The statement D is the betweenness theorem for points. It states that If C lies on AB and is between A and B, then AC + CB = AB.

This statement can be proven, so it is a theorem.

The maximum profit is 6 and it is obtained when we mix 0.6 kg of type A, 0 kg of type B, and 0.4 kg of type C.

The optimal mix for the maximum profit can be found as follows:

The company mixes three types of toffees, A, B, and C. Let the weights of type A, B, and C be a, b, and c kg, respectively. Let us assume that we are making 1kg of toffee pack. Therefore, the weight of type C should be 1 - (a + b) kg. Also, the mixture must contain at least 300 gms of type A i.e a >= 0.3 kg

Also, the weight of the first two types (A and B) must be at least equal to the weight of type C, i.e a + b >= c. This condition can also be written as a + b - c >= 0

Let us now calculate the total cost of making 1kg of toffee pack.

Cost = 20a + 10b + 5c

If the pack is sold at Rs. 17, then the profit per 1kg of toffee pack is by

Profit = Selling Price - Cost = 17 - (20a + 10b + 5c)

Now we have the following linear programming problem:

Maximize P = 17 - (20a + 10b + 5c)

Subject to constraints: a + b + c = 1 (since we are making 1kg of toffee pack)

a >= 0.3a + b - c >= 0a, b, c >= 0

We can use the simplex method to solve this linear programming problem. However, to save time, we can solve it graphically. The feasible region is as follows:

We can see that the corner points of the feasible region are: (0.3, 0, 0.7), (0.6, 0, 0.4), (0, 0.5, 0.5), and (0, 1, 0).

Let us calculate the profit at each of these corner points. For example, at the point (0.3, 0, 0.7), we have a = 0.3, b = 0, and c = 0.7. Therefore, the profit is

P = 17 - (20(0.3) + 10(0) + 5(0.7)) = 3.5

Similarly, we can calculate the profit at the other corner points as well. The corner point (0.3, 0, 0.7) gives a profit of 3.5

Corner point (0.6, 0, 0.4) result in a profit of 6

Corner point (0, 0.5, 0.5) results in a profit of 5

Corner point (0, 1, 0) gives a profit of 3

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312.5 μCi is equivalent to 0.3125 mCi.

Conversion factors refer to a relationship between the value in one unit to the value in another unit. It is used to convert a quantity expressed in one unit to another unit.

The following conversion factors are needed to convert 312.5 μCi to millicuries (mCi):1 mCi = 1000 μCiUsing the above conversion factor, we can write the given value of 312.5 μCi as:312.5 μCi = (312.5/1000) mCi= 0.3125 mCi

Therefore, the value of 312.5 μCi can be converted to millicuries (mCi) using the above conversion factor. We can rearrange the formula as shown below.312.5 μCi × 1 mCi / 1000 μCi= (312.5/1000) mCi= 0.3125 mCi

Therefore, 312.5 μCi is equivalent to 0.3125 mCi. The calculation can be summarized in a sentence as follows: To convert 312.5 μCi to millicuries (mCi), we use the conversion factor 1 mCi = 1000 μCi.

The calculation shows that 312.5 μCi is equivalent to 0.3125 mCi. The answer can be expressed as follows: 312.5 μCi = 0.3125 mCi.

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Differential Equations are mathematical expressions that describe the relationship between an unknown function and its derivatives. Solving differential equations means finding the unknown function that satisfies the equation. There are many methods to solve differential equations, including analytical and numerical approaches.

One common analytical approach is to use separation of variables, where the equation is separated into two parts, one dependent on the function and the other dependent on its derivatives. Another approach is to use integrating factors, which involves multiplying both sides of the equation by a function to make it easier to solve.

Another approach is to use series solutions, where the solution is represented as an infinite series of terms, often polynomials.

For numerical solutions, one common method is the Euler method, which involves approximating the solution at discrete points in time and using those approximations to estimate the solution at subsequent points in time. Another popular method is the Runge-Kutta method, which involves using a weighted average of multiple estimates to obtain a more accurate approximation of the solution.

In conclusion, solving differential equations requires a combination of mathematical techniques and an understanding of the problem being solved. It is an important field of study in mathematics and science, with applications in a wide range of fields including physics, engineering, and economics.

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Answer:

82+(9/3)

Division comes first.

9/3=3

82+3=85

85

Step-by-step explanation:

Answer:

85

Step-by-step explanation:

PEMDAS

P - Parenthases

E - Exponents

M - Multiply

D - Divide

A - Add

S - Subtract

Using the order of opperations above, division comes before addition, so:

9 / 3 = 3.

Then you move on to the left:

3 + 82 = 85.

Answer:

-46, 8, 28

Step-by-step explanation:

The values of x, y, and z in the given rhombus are: x = -31, y = 20, z = -87.

An equation is a mathematical statement saying that two amounts or values are the same, for example 6 x4=12x

We know that the side of a rhombus are equal in length.therefore we can solve the given equation

4y + 8 = -3x - 5 = -z + 1 = 88

Solving each equation for the variables, we get:

4y + 8 = 88

4y = 80

y = 20

-3x - 5 = 88

-3x = 93

x = -31

-z + 1 = 88

-z = 87

z = -87

Heance , the values of x, y, and z in the given rhombus are:

x = -31, y = 20, z = -87.

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In a hypothesis, when the t value is 7.14 and the critical value is 6.10, the decision that should be made is to reject the null hypothesis.

It should be noted that a hypothesis is simply used to get information about a certain thing.

In this case, in a hypothesis, when the t value is 7.14 and the critical value is 6.10, the decision that should be made is to reject the null hypothesis.

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The correct option is (iv) 0. The electric field inside a spherical shell of radius R that carries a uniform charge density is equal to 0.

It is because the electric field is a continuous function of space, which is proportional to the charge density at any given point in space. This implies that the electric field inside a charged sphere is zero when there is a uniform charge distribution throughout the sphere.The electric field is zero because of Gauss's Law, which states that the total electric flux through a closed surface is proportional to the enclosed charge. The electric field lines within the charged spherical shell have an equal contribution to the electric field lines outside the spherical shell. Since the electric field inside the shell must equal zero, this implies that the electric field inside a spherical shell is proportional to the charge density at any given point in space.

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