plz help my grade really bad

Answer: 4 days, more below

Step-by-step explanation:

40.50x + 0.15y < 210

(0.15)(125)=18.75

40.50x + 18.75 < 210

40.50x < 191.25

x < 4.7222222...

She can afford to rent the car for 4 days if she drives 125 miles and has 210$ to spend.

Given that Brenda swims 34 laps before practice is canceled due to a thunderstorm and still has 41 laps left to reach her target number. To find Brenda's target number of laps, we can use the following equation Let the target number of laps be "x".

Then, Brenda swam x - 41 laps before the practice was canceled due to the thunderstorm. The total number of laps she swam is the sum of the number of laps she swam before and after the practice was canceled , x = (x - 41) + 34Solving the above equation, we get x = x - 41 + 34=> x - x = 41 - 34=> 0 = 7We get 0 = 7, which is not possible. Hence, there is no solution to the given equation.

Therefore, the target number of laps cannot be found using the given information. The target number of laps cannot be found using the given information. Brenda swam x - 41 laps before the practice was canceled due to the thunderstorm. The total number of laps she swam is the sum of the number of laps she swam before and after the practice was canceled , x = (x - 41) + 34 Solving the above equation, we get x = x - 41 + 34=> x - x = 41 - 34=> 0 = 7We get 0 = 7, which is not possible. Hence, there is no solution to the given equation. The target number of laps cannot be found using the given information as we get 0 = 7, which is not possible.

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The ratio strength of the final product is 1:0.4.

One technique to indicate concentration is through ratio strength, which uses a ratio to characterize drug concentration. In this context, concentration is defined as the quantity of a solute that makes up one unit in the whole volume of a solution or combination. You should be an expert in ratio strength calculations as a pharmacy student. Ratio strength uses a ratio to describe the medication concentration. So, what it implies is, you have one unit of solute contained in the complete amount of preparation and so generally your ratio strength is expressed as one is to something. In the case of a weight-in-weight, volume-in-volume, or weight-in-volume situation, you would interpret a ratio of 1:2,000 differently.

Drug strength = 800mg

whole volume =2ltrs

The ratio of the solution in 1 ltr is = 400 mg

The ratio strength of the solutions is = 1:0.4

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Answer:

17.74

Step-by-step explanation:

Rounded to the nearest 0.01 or

the Hundredths Place.

The average mark that Sally need on the next two tests to have an average of 80 for all of the tests is 88.

Since the average mark on the first 4 tests Sally took was 76. The total marks will be:

= 76 × 4

= 304

Since she wants an average of 80 on 6 test, the total will be:

= 80 × 6

= 480

Therefore, the average needed in the two tests will be:

= (480 - 304) / 2

= 88

The average is 88.

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To solve this problem using linear programming, we need to formulate an objective function and constraints based on the given information.

Let:

x = number of acres of strawberries to plant

y = number of acres of tomatoes to plant

Objective function: Maximize profit

Maximize Z = 400x + 300y

Constraints:

Acres of strawberries: x ≤ 26

Acres of tomatoes: y ≤ 37

Farm size: x + y ≤ 50

Labor availability: 10x + 3y ≤ 300

Fertilizer availability: 8x + 20y ≤ 800

Using POM-QM, we can input this linear programming model and obtain the optimal solution.

The decision variables:

x = 26 (acres of strawberries)

y = 21 (acres of tomatoes)

The maximum profit achievable is:

Z = 400(26) + 300(21) = $21,800

The solution suggests that the grower should plant 26 acres of strawberries and 21 acres of tomatoes to maximize profit. The maximum profit achievable is $21,800.

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Answer: x= 25.36

Step-by-step explanation:

Solve for x:
  Given: Acute Angle=29°
             Hypotenuse=29
             Adjacent - x=?

Relation: cosine

cos29°=\frac{x}{29}

\frac{cos29°}{1}=\frac{x}{29}

29(cos29°)=x
25.36=x

Answer:

1/5 is remaining

Step-by-step explanation:

if there is two people each eating 2/5 we would just multiply 2/5 by 2 and get 4/5 then we would subtract 4/5 from 1 and get 1/5

Answer:

1/5

Step-by-step explanation:

Sandwich eaten by Mick and Jackie = \(\frac{2}{5}+\frac{2}{5}\\\\\)

                                                             = \(\frac{2+2}{5}=\frac{4}{5}\)

Remaining sandwich = 1/5

If the standard deviation of a set of data is 6, then the value of variance is 36

The formula for determining variance is variance = √Standard deviation

Variance of a set of data is equal to square of the standard deviation.

If the standard deviation of a set of data is 6 then we get variance by putting the value of standard deviation in the formula

variance = √Standard deviation

Take square root on both sides

Standard deviation² = 6²

Standard deviation= 36

Hence,  standard deviation of a set of data is 6, then the value of variance is 36

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a. The probability that the system will operate as shown is approximately 0.6141.

b. Probability ≈ 0.6141The probability remains the same as in the previous case, which is approximately 0.6141.

c. The probability that the system will operate with each component having a backup with a probability of 0.85 and a switch that is 90% reliable is approximately 0.6485.

a. To find the probability that the system will operate as shown, we multiply the probabilities of each component. Since the system is shown to have three components with a probability of 0.85 each, we can calculate:

Probability = 0.85 × 0.85 × 0.85

Probability ≈ 0.6141

The probability that the system will operate as shown is approximately 0.6141.

b. In this case, each system component has a backup with a probability of 0.85 and a switch that is 100% reliable. Since the backup has a probability of 0.85, and the switch is 100% reliable (probability = 1), we can calculate the probability as:

Probability = 0.85 × 0.85 × 0.85

Probability ≈ 0.6141The probability remains the same as in the previous case, which is approximately 0.6141.

c. In this scenario, each system component has a backup with a probability of 0.85, but the switch is 90% reliable (probability = 0.90). We can calculate the probability as:

Probability = 0.85 × 0.90 × 0.85

Probability ≈ 0.6485

The probability that the system will operate with each component having a backup with a probability of 0.85 and a switch that is 90% reliable is approximately 0.6485.

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Answer:

I would say Jessica

Step-by-step explanation:

Because Mia's grade dropped by 4% and Jessica's grade increased by 5%

1% difference in the grades

The total prize money is 200+100 which is 300

There is 100 tickets sold for $5 each so the people selling the tickets earn $500 and use $300 for prize money.

The expected value of 1 ticket is $5.00

If you still have any questions feel free to comment below

Hope this helped<3

Answer:

C x=4/5

Step-by-step explanation:

Answer:

sdvsvsdv

Step-by-step explanation:

Answer:

Step-by-step explanation:

It’s B

Answer:

Question 1) 6x+5

Question 2) Blank #1: sum. Blank #2: 5. Blank #3: 4

See work in the attachment. If you're still confused, read the step-by-step explanation for a more in-depth explanation of what exactly I did for my work. Let me know if you have any questions :>

Step-by-step explanation:

For question 1, it's important to know that the perimeter is equal to the sum of all the sides. Since the shape is a rectangle, the sides opposite of each other are the same length. Thus, the left and right sides are both 3x - 3. 2(3x - 3) = 6x - 6. The unknown value, which I called a, is the same for both the top and the bottom. To find it, you must first subtract 6x - 6 from the perimeter of 18x + 4. This equals 12x + 10. Then, divide that answer by 2 to get the unknown side. You then get 6x + 5 as the answer for the unknown side.

To make sure it's correct, you can plug in a random number for x. In this case, I checked my work by plugging 2 in for x.

Perimeter = 18(2) + 4 = 36 + 4 = 40

Perimeter = 6(2) + 5 + 6(2) + 5 + 3(2) - 3 + 3(2) - 3 = 12 + 5 + 12 + 5 + 6 - 3 + 6 - 3 = 24 + 10 + 12 - 6 = 40

For question 2, the main idea you need to know is that A = lw. The area of the first rectangle is 6 * 5 = 30. The area of the second rectangle is 6 * 4 = 24. When you add them together, you get 54. The area of the rectangle that is formed when you combine rectangle 1 and rectangle 2 is 6 * 9 = 54. This shows that 6(4) + 6(5) = 6(9)

His/her lowered score was most likely due to statistical regression.

The missing options in the question are:

A. compensation rivalry  B. Demoralization C.  Differential selection

D.  Testing E.  Statistical regression

From the question, we have:

A change (whether higher or lower) in the score is caused by statistical regression.

This is so because several variables could attribute to the change in the score.

The relationship between these variables is referred to as statistical regression

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Answer:

9 people per square mile

Step-by-step explanation:

Given that:

Area of Australia = 2.95 * 10^6 mi²

Approximate average Number of people per square mile :

This can be obtained by taking the proportion of the population of Australia and the Area of the land mass

Approximate population of Australia : 25,499,884 ( data obtained from internet)

Average number of people per square mile :

Approximate population / Land Area

25,499,884 / 2.95 * 10^6

= 8.6440284

Hence, there will be approximately 9 people per square mile.

Answer:

28° at top and 1° at bottom

Step-by-step explanation:

If you look at it u can see that it's even so you would know it would be the same answer on each side.

The probability that a randomly selected person is infected with disease D is 11%. This is calculated based on the given information regarding the occurrence of minor cold-like symptoms and the associated probabilities of being infected with D.

Let's denote the event of experiencing minor cold-like symptoms as S, and the event of being infected with disease D as D. We are given that P(S) = 0.2 (20% of people experience these symptoms).

We also know that within the group of people experiencing symptoms (S), P(D|S) = 0.35 (35% chance they are infected with D), and within the group of people not experiencing symptoms (~S), P(D|~S) = 0.05 (5% chance they are infected with D).

To find the probability of being infected with D, we can use Bayes' theorem:

P(D) = P(D|S) * P(S) + P(D|~S) * P(~S)

Substituting the given values:

P(D) = 0.35 * 0.2 + 0.05 * (1 - 0.2)

Simplifying:

P(D) = 0.07 + 0.05 * 0.8
P(D) = 0.07 + 0.04
P(D) = 0.11

Therefore, the probability that a randomly selected person is infected with disease D is 0.11, or 11%.

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Answer:

y=7/1x+26

Step-by-step explanation:

I didnt fully understand what the questions was asking. all I got from it was slope-intercept and even then it didn't make sense so I created the equation that goes throw those 2 points and added the y intercept to it.

hope this somehow helped...

Answer:

Jasmine is incorrect

Step-by-step explanation:

The sign means 16 is greater than or equal to 11x-6

Start by substituting 2 for x

16 ≥ 11x-6

16 ≥ 11(2)-6

16 ≥ 22-6

16 ≥ 16

This is true since 16 is equal to 16

Now we substitute 3 for x

16 ≥ 11x-6

16 ≥ 11(3)-6

16 ≥ 33-6

16 ≥ 27

This is not true as 27 is greater than 16.

Since only 2 is a solution of the inequality, Jasmine is incorrect.

The statements that are  true about simple linear regression and correlation are Both i) and iii). option b is correct.

Which statements are true about simple linear regression and correlation?

Statement i) The least-squares regression line always goes through the point with coordinates \((\bar{X}, \bar{Y})\)

Statement iii) The least-squares regression line minimizes the summation of residuals.

To determine the true statements, let's analyze each option:

i) The least-squares regression line always goes through the point with coordinates \((\bar{X}, \bar{Y})\) : This statement is true. The least-squares regression line is calculated to pass through the point with the mean of the predictor variable \((\bar{X})\) and the mean of the response variable \((\bar{Y})\).

ii) If the correlation between response and predictor is greater than 0, then the slope of the least squares regression line is always positive: This statement is not necessarily true. The correlation between the response and predictor variable indicates the strength and direction of the linear relationship, but it doesn't determine the sign of the slope.

iii) The least-squares regression line minimizes the summation of residuals: This statement is true. The least-squares regression line is the line that minimizes the sum of the squared residuals, which are the differences between the observed and predicted values.

Based on the analysis, both statement i) and statement iii) are true.

Therefore, the answer is that both i) and iii) are true about simple linear regression and correlation, which is option b)

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False. It is not optimal for Anil to give Bala one-third of the lottery money (£33.33). According to Anil's preferences, his utility function is given by u(A,B) = min{2A, B}.

This function implies that Anil values his own money (A) more than the money he gives to Bala (B). By giving Bala one-third of the money, Anil would keep only £66.67 for himself, which is less than what he could potentially keep if he gave Bala a smaller amount. To maximize his own utility, Anil should give Bala the minimum amount possible, which in this case would be zero.

Anil's utility function indicates that he values his own money (A) twice as much as the money he gives to Bala (B). By maximizing his utility, Anil would want to keep as much money for himself as possible, while still giving Bala some amount of money. In this case, Anil can keep £100 for himself, which is the maximum amount possible, while giving Bala £0.

This division of money maximizes Anil's utility according to his preferences. Therefore, it is not optimal for Anil to give Bala one-third of the lottery money; instead, he should give Bala the minimum amount of £0 to maximize his own utility.

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1) isolate

2a) opposite

2b) sign

1) delete

2a) flip

2b) reciprocal

Rate BRAINLIEST

1) isolate

2a) opposite

2b) sign

1) delete

2a) flip

2b) reciprocal

Answer:

SOH CAH TOA

Step-by-step explanation:

You could use helpful mnemonic called SOH CAH TOA

SOH is for SIN, OPPOSITE, HYPOTENUSE. It basically says that to find Sin of an angle, you must divide the opposite by the hypotenuse

CAH is for COS, says to find COS of an angle you must divide Adjacent by hypotenuse

TOA is for tan, says to find tan of an angle you must divide opposite by adjacent.

I would suggest watching a video to find out more.

I put a lot of thought and effort into my answers, so a brainliest would be much appreciated!

Answer:

The answer is 9y + 18

Step-by-step explanation:

Multiply using the distributive property.

Hoped this helped!