First to answer gets brainliest!

Answer:

at one gas station, gas costs $2.75 per gallon. write and equation that relates the total cost, C, to the number of gallons of gas purchased:  2.75 g  

Answer:

the × by the + then you did it

Step-by-step explanation:

when you put the × by the + it was not getting the statement

Answer:

30

Step-by-step explanation:

70-40=30

Answer:

lemon cremes contain 70 calories. fudge cookies contains 95 calories

Step-by-step explanation:

Let x represent the amount of calories in lemon cremes.

Let y represent the amount of calories in fudge cookies.

Three lemon cremes plus two fudge cookies have 400 calories. This means that

3x + 2y = 400 - - - - - -- - - - -1

Two lemon cremes plus three fudge cookies have 425 calories. This means that

2x + 3y = 425- - - - -- - - - - - 2

Multiplying equation 1 by 2 and equation 2 by 3, it becomes

6x + 4y = 800

6x +9y = 1275

Subtracting,

-5y = - 475

y = - 475/- 5

y = 95

Substituting y = 95 into equation 1, it becomes

3x + 2×95 = 400

3x = 400 - 190 = 210

x = 210/3 = 70

x = 70

Answer:

-2

Step-by-step explanation:

The answer is -2

Explanation:

First of all we need to identify the problem.

Y= -X-4

We can tell already from this that the X is going to be negative.

If X=-2

Now we can change the problem to:

Y= -2-4

And can even change it to

-2-4

Well the way I learned it

A negative number minus a negative number is a negative number

A positive number minus a positive number is a positive number

Simple Right?

So what's a negative number minus a positive number?

Its a negative number!

So the answer is -6

The length of the diagonal of this square is 11 and option 4 is the correct answer.

A diagonal line is a line segment that joins two of a shape's vertices when there isn't already an edge between them. It doesn't go directly above, below, or across. The diagonals are always in the form of a straight line. In other terms, a diagonal is a line that passes through the vertex of a polygon or polyhedron and links its opposing corners.

Given that, x is the length of the diagonal of the square.

Also, x² = 132

The value of x is:

x = √132

x = 11.48

Hence, the length of the diagonal of this square is 11 and option 4 is the correct answer.

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Answer:

500 millilitres

Step-by-step explanation:

I hope it will help you

Answer:

Step-by-step explanation:

1 litre = 1000 millilitres

0.5 Litre = 500 milliliters

Answer:

-3 < x < 3

Step-by-step explanation:

Hi there!

The next 2 terms are 250 and 1,250.

We have a geometric sequence, which means we use multiplication or division to get to the next term.

Here, we multiply by 5 to get to the next term.

So we multiply 50 by 5:

50*5=250

We multiply 250 by 5 to get to the next term:

250*5=1,250

And we're done!

Hope this helps!

~Just a felicitous girlie

#HaveASplendidDay

\(SilentNature :)\)

Answer:

250, 1250

Step-by-step explanation:

This is a geometric sequence since there is a common ratio between each term. In this case, multiplying the previous term in the sequence by 5 gives the next term.

Hope that helps!

(a) To find the probability that only one machine is in working condition after two days, we need to determine the probability of transitioning from state (1, 1) to state (1, 0) after two days.

From the transition probability matrix, we see that to transition from (1, 1) to (1, 0) in one day, both machines need to remain operational, which has a probability of (1 - p) * (1 - p) = (1 - p)^2.

Therefore, the probability of transitioning from (1, 1) to (1, 0) after two days is ((1 - p) * (1 - p))^2 = (1 - p)^4.

(b) To find the expected number of days until both machines are down, given that currently both machines are operational, we need to consider the transition probabilities from state (2, 0) to state (0, 1).

From the transition probability matrix, we see that to transition from (2, 0) to (0, 1) in one day, both machines need to fail, which has a probability of p * p = p^2.

Therefore, the expected number of days until both machines are down, given that both machines are currently operational, is 1 / (p^2).

(c) To find the steady-state probabilities, we need to solve the equation πP = π, where π is the row vector of steady-state probabilities and P is the transition probability matrix.

Solving this equation will give us the steady-state probabilities for each state (i, j). Since the given matrix is not provided, it is not possible to calculate the exact steady-state probabilities without the specific values of the transition probabilities.

(d) To determine the percentage change in the long-run average benefit per day if p changes from 0.3 to 0.2, we would need to know how the revenue R TL is related to the probability p. Without this information, it is not possible to calculate the percentage change.

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Answer:

First consider the original amount.

Then consider the rate of tax or markup

To find the tax or markup, multiply the rate by the original amount.

To find the total cost, add the tax or markup to the original amount.

Step-by-step explanation:

Example

A phone has a listed price of $790 before tax. If the sales tax rate is 6.5% find the total cost of the phone with sales tax included. Round your answer to the nearest cent as required.

Solution

Step 1:

List price of the phone = $790

Sales tax rate = 6.5%

Step 2:

Sales tax = 6.5% of 790=0.065×790=51.35

Step 3:

Total cost of phone including sale tax = list price + sales tax

= 790+51.35

= $841.35

hope this helped!

Answer:

that would be 60 yards

Step-by-step explanation:

3 feet in 1 yard, so divide 180 by 3 and you get 60 yards

Answer:

\(3 \sqrt{5} \)

Answer:

The width of the rectangle is \(\sqrt{35}\) and the length of the rectangle is \(2\sqrt{35}\)

Step-by-step explanation:

l = 2w

A = l * w

A = 2w * w

70 = \(2w^{2}\)

35 = \(w^{2}\)

\(\sqrt{35}\) = w

2\(\sqrt{35}\) = l

Answer:

\(\displaystyle m=-1\)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Step-by-step explanation:

Step 1: Define

Point (2, 5)

Point (-1, 8)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

The standard normal variable for 3.7 is 0.67.

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The statements 1 and 2 are false. When units manufactured are less than the number of units sold, the variable costing income from operations will be greater than the absorption costing income from operations.

The statement 1 is false. In absorption costing, both fixed and variable factory costs are included in the cost of goods sold.

This is because absorption costing assigns a portion of fixed factory costs to each unit of production, treating them as a product cost.

Variable factory costs, which vary with the level of production, are also included in the cost of goods sold. This method aims to allocate both fixed and variable costs to the units produced.

The statement 2 is also false. In variable costing, only variable factory costs are included in the cost of goods sold.

Fixed factory costs are treated as period costs and are not assigned to individual units of production.

Instead, they are expensed in the period incurred. This method provides a clearer picture of the cost behavior and allows for better analysis of the contribution margin.

When units manufactured are less than the number of units sold, the variable costing income from operations will be greater than the absorption costing income from operations.

This is because variable costing treats fixed factory costs as period costs and does not allocate them to the units produced.

As a result, the fixed costs incurred in the period are not absorbed into the cost of goods sold.

In contrast, absorption costing assigns a portion of fixed factory costs to each unit, so when fewer units are produced and sold, the fixed costs are spread over a smaller number of units, leading to higher per-unit costs and lower income from operations compared to variable costing.

Therefore, the variable costing income from operations will be greater than the absorption costing income from operations when units manufactured are less than the number of units sold.

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Answer:

They each get 8 cookies

Step-by-step explanation:

24 divided by 3 is 8. There are other ways if the question allows there to. be some cookies left over.

Answer:

V = 2261.9

Step-by-step explanation:

The formula to find the volume of a cylinder is:

V = pi • r² • h

Answer:

If you learned that you express pi is π: 720π \(cm^3\)

If it says pi is 3.14: 2260.8 \(cm^3\)

Step-by-step explanation:

oki, so the rule to find the area of a circle is r x r x π

which will be 36π in this situation!

So we multiply the area of the circle by the height next, and get 720π

if we have to say pi is 3.14, the answer should be 2260.8

The five-number summary for the given dataset is: 19.98, 30.585, 73.295, 99.24, and 114.60.

To calculate the five-number summary for the given dataset, we first need to sort the data in ascending order:

19.98, 41.19, 63.08, 83.51, 83.88, 114.60

Now, let's find the five-number summary components:

1. Minimum: The smallest number in the dataset.
Minimum = 19.98

2. First Quartile (Q1): The median of the lower half, not including the overall median if the dataset has an odd number of data points.
Q1 = (19.98 + 41.19) / 2 = 30.585

3. Median: The middle number of the dataset.
Median = (63.08 + 83.51) / 2 = 73.295

4. Third Quartile (Q3): The median of the upper half, not including the overall median if the dataset has an odd number of data points.
Q3 = (83.88 + 114.60) / 2 = 99.24

5. Maximum: The largest number in the dataset.
Maximum = 114.60

The five-number summary for the given dataset is: 19.98, 30.585, 73.295, 99.24, and 114.60.

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Answer:

the answer is

....9x^2 - 25

The researcher can use two categorical variables or two values from a contingency table to perform chi - squared test.

A standard hypothesis test used to analyze contingency tables with large sample sizes is the chi-squared approach. This test is designed to examine if two categorical factors influence the test statistic independently. Pearson's chi-squared test and its variants are true when the test statistic equals chi-squared under the null hypothesis.

Pearson's chi-squared test is used to determine whether there is a statistically significant difference between expected and observed frequencies for one or more contingency table categories. For contingency tables with fewer samples, a Fisher's exact test is employed instead.

In the traditional application of this exam, observations are classified into mutually exclusive kinds. If the null hypothesis is correct and there are no variations in the population between classes, the test statistic generated by the data has a two-frequency distribution.

The test's purpose is to estimate how likely observed observed frequencies are if the null hypothesis is true.

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510 students surveyed do not have cell phones.

What is subtraction ?

Subtraction is a mathematical operation that involves taking away a number or quantity from another number or quantity. It is the opposite of addition. In subtraction, the number or quantity being subtracted is called the subtrahend, while the number or quantity it is being subtracted from is called the minuend. The result of subtraction is called the difference. For example, in the equation 10 - 5 = 5, 10 is the minuend, 5 is the subtrahend, and 5 is the difference.

Given by the question:

Out of 1700 seniors, 7 out of 10 have cell phones which means 7/10 x 1700 = 1190 students have cell phones.

To find the number of students who do not have cell phones, we can subtract this number from the total number of students surveyed:

1700 - 1190 = 510

Therefore, 510 students surveyed do not have cell phones.

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Answer: \(\frac{1}{2}\ \text{of}\ 130> 20\%\ \text{of}\ 320\)

Step-by-step explanation:

\(20\%\ \text{of}\ 320\ \text{is}\\\Rightarrow \frac{20}{100}\times 320=64\ \text{miles}\)

\(\frac{1}{2}\ \text{of}\ 130\ \text{is} \\\Rightarrow \dfrac{130}{2}=65\ \text{miles}\)

clearly,  \(\frac{1}{2}\ \text{of}\ 130> 20\%\ \text{of}\ 320\)

The solution set to the inequality is option (b)  (-∞, 8).

To find the solution set to the inequality 0.35x - 4.8 < 5.2 - 0.9x, we can start by simplifying the inequality:

0.35x - 4.8 < 5.2 - 0.9x

Next, we can combine like terms:

1.25x - 4.8 < 5.2

Then, we can isolate the variable by adding 4.8 to both sides:

1.25x < 10

Finally, we divide both sides by 1.25 to solve for x:

x < 10/1.25

x < 8

Therefore, the solution set to the inequality is (-∞, 8). This means that any value of x less than 8 will satisfy the inequality.

So option (b) is correct (-∞, 8)

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Answer:

–500 N

Step-by-step explanation:

Action and reaction forces are equal in magnitude but opposite in direction. The negative sign indicates opposite direction (Refer to Newton's 3rd Law of motion).

Answer:

total marbles in the box is 600

a. The problems with the layout and display of the current line chart are:

1. The y-axis label "Testar" is cut off and unclear.
2. The x-axis labels are not evenly spaced, making it difficult to compare revenue values between months.
3. There is no title or legend to provide context for the data.
4. The colors used for the line chart are not visually appealing and can be confusing to interpret.

b. To create a new line chart for the monthly revenue data at Tedstar, Inc., we can follow these steps:

1. Open a new Excel sheet and enter the monthly revenue data for Tedstar, Inc.
2. Select the entire range of data (including the month column).
3. Click on the "Insert" tab and choose the "Line" chart type.
4. Choose the first line chart option, which shows markers and lines.
5. Excel will generate a line chart based on the data. Add a title to the chart and label the x-axis and y-axis appropriately.
6. Format the chart by selecting the chart area and using the formatting options to adjust the colors and design to make it visually appealing and easy to read.
7. Add a legend to the chart to help identify the data series.
8. Finalize the chart by adding any additional details or labels that may be helpful.

By creating a new line chart in this way, we can improve the layout and display of the data to make it easier to interpret and understand.
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