Evaluate 3x-4 when x=5

Answer:

To find the inverse, interchange the variables and solve for  y .

Step-by-step explanation:

f − 1 ( x ) = x /4 + 3

Answer:

Im not sure but hiiiiiiiiii.

Step-by-step explanation:

Answer:

In my opinion yes!!

Step-by-step explanation:

A photographer would be most likely to use a large aperture to create depth of field for portraits, wildlife, and sports types of photograph. The reason behind using a large aperture is that it can create a shallow depth of field that will blur the background of the subject which will help in bringing the focus on the subject.

The depth of field can be created by changing the aperture, and the photographer will usually use large aperture to create a shallow depth of field that will blur the background of the subject. In photography, the depth of field is defined as the zone that appears to be in focus in front of and behind the subject. The shallow depth of field can be achieved with the help of the large aperture setting.

The large aperture will help in making the background of the subject blurred and creating the bokeh effect. The photographer can use the shallow depth of field in many ways. It is used in portraits to bring the focus on the subject by blurring the background.

This technique can also be used in wildlife photography to focus on the animal and blur the distracting background. The shallow depth of field can also be used in sports photography to focus on the athlete and blur the audience and distracting background.

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Answer:In a week, Sally drinks 28 cups of milk

Step-by-step explanation:

In a day Sally drinks one and one third cups of milk  3 times  which is equal to

1 1/3 x 3

4/3 x 3 =4 cups per day

1 week =7 days

therefore if she drinks 4 cups of milk in a day

in 7 days she will drink 4 x 7 =28 cups

In a week, Sally drinks 28 cups of milk

Answer:

B

Step-by-step explanation:

took the assignment

The ellipse is obtained by slicing the cone at an angle. Then the correct option is B.

A shape made up of a surface and a round cone intersecting. A conic section is sometimes a circle, an ellipse, a parabola, or a hyperbola, based on the direction of the surface with regard to the conical.

The ellipse is obtained by slicing the cone at an angle that passes through the surface of the cone.

Then the correct option is B.

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Answer:

Step-by-step explanation:

We can describe it as a linear function with points of:

Slope intercept formula:

Finding the slope using the two given points:

Finding b:

Formula obtained:

For x = 20, value of y is:

Answer:

You simply just do 12 multiplied by 10 which will give you 120m^2

Shawn and Brittney both were riding bikes for 2.5 hours.

As per the given data, Shawn traveled at 10.2 mph and Britney traveled at 13.7 mph.

They traveled for the same amount of time.

Britney traveled 8.75 miles further than Shawn.

Let, Shawn and Britney both traveled for t hours.

Shawn traveled at 10.2 miles per hour.

Therefore for t hours, Shawn traveled is \($(10.2 \times \mathrm{t})$\) miles \($=10.2 \mathrm{t}$\) miles.

Britney traveled at 13.7 miles per hour.

Therefore for t hours, Britney traveled \($(13.7 \times \mathrm{t})$\) miles \($=13.7 \mathrm{t}$\) miles.

Brittney traveled 8.75 miles more than Shawn.

That means the distance between both of them after t hours is 8.75.

Therefore We can write,

13.7 t - 10.2 t = 8.75

3.5 t =8.75

t = \($\frac{8.75}{3.5} \\\)

t = 25

So we have got that they are riding the bikes for 25 hours.

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There are 17,640 different 8-digit numbers that can be obtained by permuting the digits in the number 70,440,704.

Since the first digit cannot be zero, we have 7 options for the first digit.

For the second digit, we have 7 remaining options, and for the third digit, we have 6 remaining options, and so on.

Therefore, the total number of different 8-digit numbers that can be obtained by permuting the digits in the number 70,440,704 is:

7 x 7 x 6 x 5 x 4 x 3 x 2 = 17,640.

Permuting refers to rearranging the order of a set of elements. In mathematics, permutations are used to calculate the number of ways in which a set of objects can be rearranged or ordered.

A permutation is a one-to-one mapping of a set to itself, where the order of the elements in the set is changed.

The number of permutations of a set with n elements is given by n!, which is the product of all the integers from 1 to n. For example, the set {1, 2, 3} has 3! = 6 permutations: {1, 2, 3}, {1, 3, 2}, {2, 1, 3}, {2, 3, 1}, {3, 1, 2}, and {3, 2, 1}.

Permutations are used in many areas of mathematics, including combinatorics, group theory, and abstract algebra, as well as in computer science and coding theory.

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Answer:

The 1st table represents a function

Step-by-step explanation:

Just trust me on this I took the quiz on edge 202 and got it right

the graph is

x     |     Y

--------------

-5   |  -22

--------------

0    |  -2

------------

3    |  10

The total weight of the barricade as a function of x.

W = 70 + 30x

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Each box weighs 30 kilograms.

The table with 8 boxes on top weighs a total of 310 kilograms.

Weight of the table.

= 310 - 30 x 8

= 310 - 240

= 70 kg

Now,

The total weight of the barricade as a function of x.

W = 70 + 30x

Thus,

W = 70 + 30x

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In the triangle ABC, D and E are the mid point of the sides AB and AC respectively.

Using mid point theorem the line DE is parallel to the side BC, hence triangle

ADE is similar to the ABC.

The side of the similar triangles are proportional,

The length of BC can be determined as,

Thus, the required value of side BC is 26.

There are 19,958,400 different ways Grace can select the batting order for her club baseball team.

Using permutation formula: P(n,r) = n! / (n - r)!

where n is the total number of players on the team (12) and r is the number of batters in the batting order (10).

So, we have:

P(12,10) = 12! / (12 - 10)!

P(12,10) = 12! / 2!

P(12,10) = 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3

P(12,10) = 19,958,400

Therefore, there are 19,958,400 different ways Grace can select the batting order for her club baseball team.

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Answer:

1.75 gallons of paint

Step-by-step explanation:

A student in the construction trades program has 4 1/2 gallons of paint

If the student uses 2.75 gallons in one room then the gallons of paint that are left can be calculated as follows

= 4 1/2 - 2.75

= 9/2 - 2.75

= 4.5 - 2.75

= 1.75

Hence 1.75 gallons of paint are left

Answer:

13.125 cubic inches

Step-by-step explanation:

Volume of box is 3/2 X 7/2 X 5/2 = 105/8 = 13 1/8 = 13.125 cubic inches  

The meaning of each statement is shown below.

Step-by-step explanation:

Assume that the given statements are

(a) c(0)=0

(b) c(3)=c(8)

(c) c(n)=29

(d) c(13)<c(12)

Let c(t) be the number of customers in a restaurant t hours after 8 A.M.

We need to find the meaning of each given statement.

(a) c(0)=0 means the number of customers 0 hours after 8 A.M (i.e., 8 A.M.) is 0.

(b) c(3)=c(8) means the number of customers 3 hours after 8 A.M (i.e., 11 A.M.) is equal to the number of customers 8 hours after 8 A.M (i.e., 4 P.M.).

(c) c(n)=29 means the number of customers n hours after 8 A.M is 29.

(d) c(13)<c(12) means the number of customers 13 hours after 8 A.M (i.e., 9 P.M.) is less than the number of customers 12 hours after 8 A.M (i.e., 8 P.M.)

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Answer:

it so easy that correct

Step-by-step explanation:

$500.00×$8.5

Thus, the length of model of the given football field using the scale conversion is found as  15 inches.

Scale models are actual physical things that are utilised to conduct indirect research. To be applicable to the planned prototype, the experimental data must be scaled up or down. The desired prototype's environment is extrapolated from the scale model trials' findings. This extrapolation frequently relies on a mathematical model in conjunction with physical concerns.

Given data:

Actual length of football field = 100 yards.

scale model of the field: 3 inches: 20 yards.

Let the length of the model of filed be 'x' in inches.

Then,

3 inches /  20 yards = x inches/ 100 yards.

Cross multiplying:

x = 3*100 / 20

x = 15 inches.

Thus, the length of model of the given football field using the scale conversion is found as  15 inches.

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A weak argument with all false premises tells us that the conclusion is not supported by valid reasoning and should be examined carefully before accepting it.

If an argument has all false premises, then it is not a sound argument. The conclusion of such an argument cannot be trusted as it is based on false information. In other words, a weak argument with all false premises does not provide any logical or factual support for its conclusion, and the conclusion itself is likely to be false.

It is important to note that even if the conclusion happens to be true, it cannot be inferred from false premises. This is because the truth of a conclusion depends on the truth of its premises. If the premises are false, then the conclusion cannot be relied upon.

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Answer:

102 beads will be used for each necklace.

Step-by-step explanation:

3,264/32=102

The coefficients obtained by the student may be less efficient and have larger standard errors compared to the professor's regression.

If the student enters each observation twice, resulting in a sample size of 100 instead of the original 50, the assumption of independent observations is violated in Ordinary Least Squares (OLS) regression. The OLS assumption assumes that the observations are independent, meaning that the value of one observation does not depend on the value of another observation.

In this case, the student's dataset contains repeated observations, which introduces dependence between observations. This violation of the independence assumption can lead to biased and inconsistent parameter estimates in the regression analysis.

Regarding the slope coefficients, if the student runs a regression using the duplicated data, the estimated coefficients may be different from the professor's regression. The duplication of observations inflates the sample size, potentially affecting the precision and accuracy of the estimates.

However, the direction and overall relationship between the variables may still be captured by the student's regression, although the estimates may not be as reliable.

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the original number Juan started with was 6.

Let "x" represent the original number. Juan first adds 2 to the original number, which can be expressed as (x + 2). He then multiplies this by 2, resulting in 2(x + 2). Next, he subtracts 2 from this product: 2(x + 2) - 2. Finally, he divides the resulting number by 2, giving us the equation [(2(x + 2) - 2) / 2] = 7.
Now, let's solve for the original number, x:
1. Simplify the equation by distributing the 2: [2x + 4 - 2] / 2 = 7
2. Combine the constants: (2x + 2) / 2 = 7
3. Multiply both sides by 2 to remove the denominator: 2x + 2 = 14
4. Subtract 2 from both sides: 2x = 12
5. Divide both sides by 2: x = 6

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Answer:

A) 252

B) 8

C) 5

D) 8

Step-by-step explanation:

ez

Answer:

A 72% of 350=252

D 32% of 25=8

Answer:

Karim will never have triple age as his brother, it has happened already 1 year ago, thus he won't give him a gift

Step-by-step explanation:

Equations

Let's make:

x = the number of years from now

Karim now is 22 and Ziad is 8. x years from now Karim will be

22 + x years old and Ziad will be

8 + x years old.

Karim will give Ziad a wonderful gift when:

22 + x = 3(8 + x)

22 + x = 24 + 3x

Solving:

x = -1

This means that Karim will never have triple age as his brother, it has happened already 1 year ago, thus he won't give him a gift

Answer:

$0.02

Step-by-step explanation:

0.60/30

Answer:

20mm

Since it a equilateral triangle we know that there is 3 sides and all of them are euqal. Therefore, 60/3 =20 meaning each side is 20mm.

To estimate the number of times the earth will rotate on its axis during a human's lifetime, we first need to determine the average length of a human's lifetime.

According to the World Health Organization, the global average life expectancy at birth in 2020 was approximately 72 years. Next, we need to calculate the number of days in 72 years. 72 years x 365 days/year = 26,280 days.

Since the earth rotates once every 24 hours, we can calculate the number of rotations by dividing the number of days by 24. 26,280 days ÷ 24 hours/day = 1,095 rotations. Therefore, we can estimate that the earth will rotate on its axis approximately 1,095 times during a human's lifetime.

I decided on using the average human's lifetime based on data from the World Health Organization to provide a general estimate. However, it's important to note that life expectancy can vary greatly depending on factors such as geography, lifestyle, and genetics.

we can use this formula: Number of rotations = Average lifespan (in years) x Rotations per year
Number of rotations = 72 years x 365 rotations/year
Number of rotations ≈ 26,280 rotations, So, we can estimate that the Earth will rotate on its axis about 26,280 times during an average human's lifetime.

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