helpp pleasee enough points

The length of a rectangular field refers to the measurement of the longer side of the rectangle, which represents the distance between its two opposite ends, typically denoted as "l" in mathematical equations or formulas.

To find the length of the rectangular field, we need to divide the area by the width.
Given that the area is x² - 120x + 3500 and the width is x - 50, we can use the formula for area of a rectangle:

Area = Length * Width

Plugging in the given values, we have:

x² - 120x + 3500 = (x - 50) * Length

To solve for the length, we can divide both sides of the equation by x - 50:

(x² - 120x + 3500) / (x - 50) = Length

Simplifying the equation, we have:

Length = (x² - 120x + 3500) / (x - 50)

Therefore, the length of the rectangular field, in feet, is (x² - 120x + 3500) / (x - 50).

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Answer:

50/100 = 500/1000 or alternatively .50 = .500

Answer:

500

Step-by-step explanation:

50 hundredths written in standard form is 0.50 .

**Adding zeroes to the end of a decimal does not change the value of the number.

1 hundredth = 0.01

1 thousandth = 0.001

So, if there are 50 hundredths, how many thousandths would there be?

The difference between hundredths and thousandths are the placement of the decimal point and how many decimal places there are after it. Hundredths have 2, while thousandths have 3.

Back to the example, 1 hundredth = 10 thousandths:

0.01 = 0.010

If there are 50 hundredths, that would mean that there are 10 times more thousandths in the same number.

0.50 = 0.500

50 hundredths = 500 thousandths

The change in the price of the company's stock from the beginning of the 6-week period to the end of it is a decrease of $7.50.

The change in the price of the company's stock from the beginning of the 6-week period to the end of it is calculated by multiplying the number of weekdays in 6 weeks by the daily decrease in stock price.

First, we need to determine the number of weekdays in 6 weeks. There are 5 weekdays in a week, so we multiply 5 by 6 to get 30 weekdays.

Next, we multiply the number of weekdays (30) by the daily decrease in stock price ($0.25) to find the total decrease in stock price over the 6-week period.

30 weekdays * $0.25 decrease per day = $7.50

Therefore, the change in the price of the company's stock from the beginning of the 6-week period to the end of it is a decrease of $7.50.

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Answer:

Step-by-step explanation:

To evaluate the given expression, we need to substitute the given values for x, y, and z. The expression becomes:

yz + x²

Substituting the given values, we get:

(6.1 * 0.2) + (3.2^2)

This simplifies to:

1.22 + 10.24

Therefore, the value of the expression is approximately 11.46.

11.46

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The number of pages she didn't read are 5,6,39 and 40

The number of pages that are in the comic are 40 pages.

The leave of a book contains both an odd number and an even number.

This means the page 1 and 2 is on a paper. Therefore, other pages she didn't read are pages 5 and 40.

The stabled comic book contains a total of 40 pages.

This is because the leaves of a book = 2 pages

From the question, if page 39 is among the missing pages, then the original number of pages of the comic = 40 pages.

Therefore, the number of pages she didn't read are 5,6,39 and 40 and the number of pages that are in the comic are 40 pages.

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Martina used 16 pounds of type A coffee in her blend.

What is algebra?

Algebra is a branch of mathematics that deals with mathematical operations and symbols used to represent numbers and quantities in equations and formulas. It involves the study of variables, expressions, equations, and functions.

Let's assume that Martina used x pounds of type A coffee in her blend. Since the blend used four times as many pounds of type B coffee as type A, the amount of type B coffee used would be 4x pounds.

The total cost of the blend is given as the sum of the cost of type A and type B coffee, so we can write:

Cost = Cost of type A + Cost of type B

= x* + 4x*

Simplifying the expression, we get:

Cost = ( + 4) x

We are given that the total cost of the blend is , so we can write:

( + 4) x =

Solving for x, we get:

x = / ( + 4)

Substituting the given values, we get:

x = / ( + 4)

= / ( + 4)

= / ( + 4)

Therefore, Martina used 16 pounds of type A coffee in her blend.

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Answer: 140

Step-by-step explanation:

Answer: 50

Step-by-step explanation:

Khan academy answer

Increasing the number of scores in the samples for an independent-measures t-statistic has the effect of increasing the likelihood of rejecting the null hypothesis while having little or no effect on measures of effect size.

As the sample-size increases, the t-statistic becomes more robust and accurate, which leads to a more precise estimate of the population parameter. This increased precision reduces the variability in t-statistic, which makes it easier to detect small differences between the means of the independent groups.

With a larger sample size, the t-statistic's sampling distribution approaches a normal-distribution, allowing for more reliable statistical inference. This results in a narrower confidence interval and a smaller p-value, increasing the likelihood of rejecting the null hypothesis when there is a true difference between the groups.

Therefore, increasing number of scores in samples enhances power of independent-measures t-statistic.

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Step-by-step explanation:

The slopes of the lines are the same....so they are parallel and do not intersect.....so no solutions

slope = -3/5   for both lines

Answer:

Step-by-step explanation:

Subtract equation 2 from equation 1:

 3x + 5y = 7

-(3x + 5y) =-( -4)

  0  +  0   = 13

0 ≠ 13   No Solution

Answer:

In geometry, area is the 2-dimensional space or region occupied by a closed figure, while perimeter is the distance around a closed figure i.e. the length of the boundary. Two shapes may have the same perimeter, but different areas or may have the same area, but different perimeters.

Step-by-step explanation:

Answer maybe

Step-by-step explanation:

By analyzing the given information, it can be determined that 90% of the small town's population, which consists of 3000 inhabitants, will have heard the rumor by approximately 1:30 PM.

The initial information states that at 8 AM, 240 people had heard the rumor. This implies that (240/3000) * 100 = 8% of the town's population knew about the rumor at that time. By noon, half of the town has heard the rumor, meaning 50% of 3000 inhabitants or 1500 people have heard it. This indicates that the rumor spread to an additional (1500-240) = 1260 people during this time frame.

To determine the time when 90% of the town's population will have heard the rumor, we can calculate the percentage increase from the initial 8% to 90%. The difference between these percentages is 90% - 8% = 82%. Since 1260 people heard the rumor between 8 AM and noon, it is reasonable to assume a similar rate of increase for the remaining 82% of the population.

To find the time, we can calculate the time it took for the initial 8% to increase to 82% by dividing the increase in percentage (82%) by the increase in people (1260). This gives us (82/1260) = 0.0651 percentage increase per person. To reach 82% (90% - 8%) of the population, we can divide 82% by 0.0651, resulting in approximately 1260 / 0.0651 = 19344 people.

Since the initial 240 people heard the rumor at 8 AM and an additional 1260 people heard it by noon, the total number of people who have heard the rumor by noon is 240 + 1260 = 1500. To reach 19344 people, the rumor will need to spread to 19344 - 1500 = 17844 more people.

Considering the similar rate of increase, it can be estimated that it will take the same amount of time to reach this additional number of people as it took to reach the first 1500 people. Hence, by extrapolating this, it can be approximated that by approximately 1:30 PM, 90% of the small town's population will have heard the rumor.

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Answer:

Infinite.

Step-by-step explanation:

3(x+1)-5=3x-2

3x+3-5=3x-2

3x-2=3x-2

True for any number.

Answer:

that has only one solution

Step-by-step explanation:

Answer:

g' (×)=f

Step-by-step explanation:

g (×)=f×-7

g' (×)= d÷d× (f×-7)

d÷d×(f+g)=d÷d×(f)+d÷d=(g)

g' (×)=d÷d×(f×)-d÷d×(7)

g'(×)=f-d÷d×(7)

g'(×)=f-0

g'(×)=f

I think you did this. I don't really know.

Answer:

a.) Find how many natural numbers under 100 are not divisible by either 2, 3, 5, or 7.

There are 21 natural numbers under 100 that are not divisible by either 2, 3, 5, or 7. Below are those 21 natural numbers:

11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97

b.) Use this result to determine how many prime numbers less than 100 there are.

Since 2, 3, 5, and 7 are all prime numbers that we didn't include in our answer above, there are actually 25 prime numbers under 100.

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Answer:

Step-by-step explanation:

i don't know

Answer:

A good prediction is that the number 5 will be rolled 8 times

Step-by-step explanation:

Here, we want to get the number of times 5 would occur in a roll of 50

firstly, we need the probability of having a 5 come up

To do this, we have to divide the number of 5’s by the count of possible numbers

We have this simply as 1/6

Now, we have to multiply this by 50

we have this as;

1/6 * 50 = 8.333

This is approximately 8

so we have it that in 50 rolls, we can have the number 5 coming up 8 times

On solving the provided question, we can say that Probability of at least 2 of the 5 families have at least 2 kids with blue eyes   P =\(10/37 = 0.2703\)

A branch of mathematics known as probability measures the possibility of an event happening or a proposition being true. The probability of an occurrence is a number between 0 and 1, where roughly 0 denotes the event's improbability and 1 denotes certainty. A probability is a numerical representation of the possibility or probability that a specific event will take place. Probabilities can alternatively be stated as percentages ranging from 0% to 100%, or as percentages from 0 to 1.

The likelihood that two or more of the three kids have blue eyes is =  \((1/4 *1/4 * 1/4) + 3(1/4 * 1/4 * 3/4) = 10/64.\)

However, since it is assumed that at least one child has blue eyes, the possibility of their being no blue-eyed offspring is excluded. \((3/4 * 3/4 * 3/4) = 27/64\) is eliminated, leaving 37/64 as the remaining valid domain. As a consequence, the reciprocal of the remaining valid domain (64/37) must be multiplied by the result in (1) above (10/64). This results \(10/64 * 64/37 = 10/37.\)

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1.) The line with the greatest slope.

The greater the slope of the line, the more upright it is. Observing the given graph, the line with the greatest slope is line a.

2.) Lines that are parallel.

Two lines are parallel if they do not have an intersection with each other at any point in the graph. We can see that line b and line d, do not intersect at any point in the graph and are thus parallel lines.

3.) Line with a negative slope

A line with a negative slope is a line that goes downwards from left to right, in the graph we can see that line e and line f goes downwards from left to right.

4.) Line that is perpendicular to the y-axis.

A line that is perpendicular to the y-axis, is a line that is parallel to the x-axis. Looking at the graph, line c is perpendicular to the y-axis.

Answer:

3923

Step-by-step explanation:

Have a nice day!

Answer:

3823.0 or 40

Step-by-step explanation:

Delta math

Given the expression

Use the facts that

So, the expression can be simplified as:

Answer:

B.

Step-by-step explanation:

The null hypothesis will say that the mean is equal to what it is supposed to be. In this case, each box is supposed to have 24.3 ounces of cereal.

So, your null hypothesis would be that the average is equal to 24.3, or H₀ = 24.3. B.

Hope this helps!

Answer:

3.4884 x 10^4

Step-by-step explanation: Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the 10. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

The total number of gallons of water do U.S. residents use

each day is \(3.23 \times 10^{10}\).

Given that, total numbers of gallons of water uses each day = 100 and population of US = \(3.23 \times 10^8\).

Scientific notation is a way of writing very large or very small numbers. A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10.

Now, the total number of gallons of water US resident use each day = US population × Number of gallons of water US resident use each day

= \(3.23 \times 10^8 \times 100\)

= \(3.23 \times 10^8 \times 10^2\)

=\(3.23 \times 10^{10}\)

Therefore, the total number of gallons of water do U.S. residents use

each day is \(3.23 \times 10^{10}\).

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The amount that each type would be 11.87 lbs of cashews and 15.13 lbs of brazil nuts

1. First, find the total cost of 27 lbs of the mixture: 27 lbs x $6.41/lb = $171.07.
2. Next, find the cost of cashews and brazil nuts in the mixture. Cashews cost $7.70/lb and brazil nuts cost $4.80/lb.
3. Subtract the cost of the brazil nuts from the total cost of the mixture: $171.07 - (27 lbs x $4.80/lb) = $105.27.
4. Divide the cost of the cashews ($105.27) by the cost of one pound of cashews ($7.70): $105.27/$7.70 = 13.66 lbs.
5. Subtract the number of pounds of cashews (13.66) from the total pounds of the mixture (27) to find the number of pounds of brazil nuts: 27 - 13.66 = 15.13 lbs.
6. Therefore, the mixture should contain 11.87 lbs of cashews and 15.13 lbs of brazil nuts.

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The Alexander family used their sprinkler for 35 hours, and the Chen family used their sprinkler for 30 hours.

To find out how long each sprinkler was used, we can set up a system of equations. Let's say the Alexander family used their sprinkler for x hours, and the Chen family used their sprinkler for y hours.

From the given information, we know that the water output rate for the Alexander family's sprinkler is 30 liters per hour. Therefore, the total water output from their sprinkler is 30x liters.

Similarly, the water output rate for the Chen family's sprinkler is 40 liters per hour, resulting in a total water output of 40y liters.

Since the combined total water output from both sprinklers is 2250 liters, we can set up the equation 30x + 40y = 2250.

We also know that the families used their sprinklers for a combined total of 65 hours, so we can set up the equation x + y = 65.

Now we can solve this system of equations to find the values of x and y, which represent the number of hours each sprinkler was used.

By solving the equation we get,

The Alexander family used their sprinkler for 35 hours, and the Chen family used their sprinkler for 30 hours.

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The floor area of the engineer's model of the sugar factory is 10.825 square feet.

To determine the floor area of the engineer's model of a sugar factory in square feet, we need to convert the given measurements from inches to feet. Since there are 12 inches in a foot, we can divide both dimensions by 12 to convert them.

The length of the model in feet is 30 inches / 12 = 2.5 feet, and the width is 52 inches / 12 = 4.33 feet.

To find the floor area, we multiply the length by the width:

Area = Length × Width

= 2.5 feet × 4.33 feet

= 10.825 square feet

It's important to note that the given measurements are not a standard aspect ratio or scale for a sugar factory. The given dimensions may be scaled down for the model's convenience, so the calculated floor area is only applicable to the scale of the model.

In actuality, a sugar factory would have much larger dimensions.

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