Can someone help me please

Answer:

photosynthesis is the process by which plants use energy from the sun in order to produce energy such as glucose. It mainly uses energy from the sun, carbon dioxide, and water to achieve this.

Pain is a warning signal produced by your body and sent to the central nervous system to tell you of a physical injury. Your body has many pain receptors that can be triggered by a myriad of things like heat or punctures.

the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities.

Pain is a distressing feeling often caused by intense or damaging stimuli. The International Association for the Study of Pain defines pain as "an unpleasant sensory and emotional experience associated with, or resembling that associated with, actual or potential tissue damage."[1] In medical diagnosis, pain is regarded as a symptom of an underlying condition.

Pain motivates the individual to withdraw from damaging situations, to protect a damaged body part while it heals, and to avoid similar experiences in the future.[2] Most pain resolves once the noxious stimulus is removed and the body has healed, but it may persist despite removal of the stimulus and apparent healing of the body. Sometimes pain arises in the absence of any detectable stimulus, damage or disease.[3]

The expressions are being matched to their equivalent forms.

(s - 4)(+ 2) - under the "Expression 1" column

12 + 5 + 6 - under the "Expression 2" column

-3:2 + 241 – 20 - under the "Expression 3" column

( + 3)(41 - 5) - under the "Expression 4" column

Expression 1: (s - 4)(+ 2)

This expression is the product of two values, (s - 4) and (+ 2). In mathematics, the plus sign (+) before a value is redundant because it does not change the value. So, this expression is equivalent to (s - 4) * 2.

Expression 2: 12 + 5 + 6

This expression is the sum of three values, 12, 5, and 6. The expression is equivalent to 12 + 5 + 6.

Expression 3: -3:2 + 241 – 20

This expression contains a combination of division, addition, and subtraction operations. The expression is equivalent to (-3) / 2 + 241 - 20.

Expression 4: + ( + 3)(41 - 5)

This expression is the product of two values, (+ 3) and (41 - 5). Again, the plus sign (+) before a value is redundant. So, this expression is equivalent to 3 * (41 - 5).

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To find the equation of the line passing through the points (-4, -3) and (-4, 6),

we note that the x-coordinate of both points is the same, which means the line is vertical and parallel to the y-axis. In this case, the equation of the line can be written as x = a, where 'a' is the x-coordinate of any point on the line.

Since both points have an x-coordinate of -4, the equation of the line passing through them is x = -4.

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Answer:

x=-4

Step-by-step explanation:

The general equation is y=mx+b where m is the slope and b is the y intercept.

Notice that there are 2 different y coordinates (-3 and 6) for the same x (-4) coordinate!

Slope = rise/run = (y2-y1)/(x2-x1) = (-3-6)/(-4--4) = -9/0 = there's NO slope, you cannot divide by zero!

So the equation is just x=-4.

See attached screenshot.

Answer:

20

Step-by-step explanation:

2 get well cards

4 anniversary cards

6 greeting cards

8 birthday cards

Subtracted the polynomials of (2.62a⁴-0.029a³+1.65)-(0.97a⁴-0.081a³+0.54a²) is  1.65a⁴ + 0.052a³ - 0.54a² + 1.65

To subtract the polynomials, we need to subtract the corresponding terms of each polynomial. This means we need to subtract the coefficients of each term with the same degree.

So, we have:
(2.62a⁴ - 0.97a⁴) + (-0.029a³ - (-0.081a³)) + (0 - 0.54a²) + (1.65 - 0)

Simplifying each term gives us:
1.65a⁴ + 0.052a³ - 0.54a²+ 1.65

So, the final answer is:
1.65a⁴ + 0.052a³ - 0.54a² + 1.65

This is the simplified form of the difference between the two polynomials.

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Answer:

I x I > 6

Step-by-step explanation:

Given,

out of 402 students 24%have attended a different school at some time before.

= 402×24

1 100

= 201×24

1 50

= 201×12

1 25

=2412

25

=96.48

The unit the answer would have is dollars $.

The area of the field would have to be rewritten so as to have the same exponent value as the cost per square meter.

The operation that would be used to solve the problem is multiplication.  

It does not make sense to give the answer in scientific form because prices are not usually written in that form.

Scientific notation is used in expressing large numbers in smaller numbers. It is used to transform large numbers into smaller number.

In order to carry out any mathematical operation using scientific notation, all the numbers must have the same exponents. If the exponents are not the same, adjustments have to be made so that the exponents are equal.

The total cost of reseeding the filed = area of the field x cost per square meter

(7.14 x 10³) × ($0.04)

The exponents are not the same, thus the multiplication operation cannot be carried out without adjusting the numbers.

7140 x 0.04 = $285.60

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If the inflation rate is 180%, the average prices will double in less than one year.

This is because inflation measures the increase in the prices of goods and services over a period of time. Therefore, the formula for calculating how many years it will take for average prices to double at a given inflation rate is:Years to double = 70/inflation rate

In this case, the inflation rate is 180%.

Therefore:Years to double = 70/180%

Years to double = 0.389 years

This means that average prices will double in approximately 4.67 months (0.389 years multiplied by 12 months per year).

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Answer:

Kate is 13years and 4 months old,I suggest.

Answer:

Where I can't see the pattern made from sticks?

The function is f(x) = 15x + 25 and you would have 6 services if you were charged $25

We know that the hair salon charges a fixed rate of $25.00 for a haircut and then an additional $15 for any other services, therefore:

Let x = number of services, then we can obtain the function as:

f(x) = 15x + 25 (function)

when we further solve the function, we get the answer for how many services one would have if we were charged $25,

f(x) = 15x + 25

115 = 15x + 25

90 = 15x

6 = x

Now, we know that the function is f(x) = 15x + 25 and you would have 6 services if you were charged $25

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0.368 .

The probability that a random variable x is exponentially distributed and less than 45 minutes,

given that the average value is 45 minutes, is 0.368.

This can be calculated by taking the negative of the natural logarithm of 1/2 (i.e. -ln(0.5)) and dividing it by the average value of 45 minutes.

The result, -ln(0.5)/45, equals 0.368, rounded to three decimal places.

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Answer:

Option D, 4

Step-by-step explanation:

2 pizzas x 6 slices per pizza = 12 slices of pizza

12 slices of pizza divided by 3 friends eating equal slices = 4 slices per friend

Option D, 4, is your answer

If the farmer plotted a straight line graph of how many goats he had left over time, the slope of the line would be -14.

To find the slope of the line representing the number of goats the farmer has over time, we need to use the formula:

Where y2 and y1 are the number of goats the farmer has at the end of two different months, and x2 and x1 are the number of months that have passed since he started selling the goats.

In this case:

So the slope of the line is:

The slope of the line is -14, which means that the number of goats the farmer has decreases by 14 goats per month.

It's important to note that when the value of the slope is negative, it means that the line is going down; this means that the farmer is selling goats at a constant rate.

This question is incomplete and should be written as:

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Answer:

12 inches

Step-by-step explanation:

let length be L

formula for perimeter of rectangle = 2( length + width )

2( L + 9) = 42

2L + 18 = 42

2L = 24

L = 12 inches

Answer:

C

Step-by-step explanation:

2 x length + 2 x width = perimeter

2 x length + 2 x 9 = 42

2 x length + 18 = 42

Subtract 18 from both sides

2 x length = 24

1 length = 12

Answer:

6.18km

Step-by-step explanation:

circumference= diameter×π

38.8km÷π=12.350423583931.... this is the diameter

12.3504...÷2=6.1752117919655..... is the radius

radius rounded to 3sf= 6.18km i think

Answer:

the y intercept is -2

Step-by-step explanation:

If you look at the pattern of the y values, it's just adding one every time. so when x=o y=-2

Answer:

x²+y²=13

Step-by-step explanation:

x+y=5

now,

squaring both side

(x+y)²=5²

x²+2.x.y+y²=25

x²+y²+2×6=25 (putting value of xy=6)

x²+y²=25-12

x²+y²=13

hope it helps.

Answer:

Step-by-step explanation:

Sally will have 56 bells left over. It is simple subtraction you subtract 400 from 456 because that is how many bells she is giving away.

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In order for a researcher to generalize about a population using data from a sample, it is best to employ the principles of statistical inference. Statistical inference allows researchers to draw conclusions about a larger population based on the characteristics and findings of a smaller sample.

By employing appropriate sampling techniques, ensuring sample representativeness, and utilizing statistical analysis, researchers can make valid inferences and generalize their findings to the larger population. When researchers aim to generalize about a population using data from a sample, they need to employ statistical inference techniques. Statistical inference involves using sample data to make conclusions or inferences about a larger population. It allows researchers to bridge the gap between the sample and the population by utilizing appropriate sampling techniques and statistical analysis. To begin with, researchers must use proper sampling methods to ensure that the sample is representative of the population of interest. Random sampling, where every individual in the population has an equal chance of being included in the sample, is often preferred. This helps minimize bias and increases the likelihood that the sample accurately represents the population's characteristics. Additionally, researchers need to employ statistical analysis techniques to draw valid conclusions. They can use descriptive statistics to summarize the characteristics of the sample and inferential statistics to make inferences about the population based on the sample data. Techniques such as hypothesis testing and confidence intervals allow researchers to quantify the uncertainty associated with their findings and assess the generalizability of their results. By combining appropriate sampling methods and statistical analysis techniques, researchers can make reliable generalizations about a population based on their sample data. It is crucial to acknowledge the limitations and assumptions of statistical inference and consider factors such as sample size, variability, and potential sources of bias to ensure the accuracy and validity of the generalizations made.

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Analysts use financial ratios rather than absolute numbers because ratios provide a more meaningful and comparative assessment of a company's financial performance.

Ratios allow for a standardized comparison between companies of different sizes and industries, facilitating a better understanding of their financial health, operational efficiency, and profitability.

Furthermore, ratios enable analysts to evaluate a company's performance over time and benchmark it against industry averages and competitors. Some examples of commonly used financial ratios include the current ratio, return on equity (ROE), and earnings per share (EPS).

Current Ratio: The current ratio measures a company's ability to meet its short-term obligations. It is calculated by dividing current assets by current liabilities. For example, if a company has current assets of $500,000 and current liabilities of $250,000, the current ratio would be 2 ($500,000 / $250,000). A higher current ratio indicates a stronger liquidity position, suggesting the company is better equipped to meet its short-term financial obligations.

Return on Equity (ROE): ROE measures a company's profitability relative to its shareholders' equity. It is calculated by dividing net income by average shareholders' equity and multiplying by 100 to express it as a percentage. For instance, if a company has a net income of $1 million and average shareholders' equity of $10 million, the ROE would be 10% ($1 million / $10 million * 100). A higher ROE signifies better profitability and efficient utilization of shareholders' capital.

Earnings per Share (EPS): EPS indicates the profitability of a company on a per-share basis. It is calculated by dividing net income attributable to common shareholders by the weighted average number of outstanding shares. For example, if a company has a net income of $5 million and 10 million weighted average shares outstanding, the EPS would be $0.50 ($5 million / 10 million). A higher EPS implies higher profitability for each share held by investors.

Financial ratios provide valuable insights into a company's financial performance and facilitate better comparisons and analysis. Absolute numbers alone may not convey the same level of meaningful information or allow for easy comparisons between companies. Ratios allow analysts to assess a company's financial health, profitability, liquidity, efficiency, and other key aspects relative to industry peers and historical performance.

They help identify trends, strengths, weaknesses, and potential investment opportunities or risks. While absolute numbers provide essential context, ratios offer a standardized framework for evaluation and decision-making, making them a preferred tool for financial analysis.

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Answer:

75%

Step-by-step explanation:

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Answer:

the answer is 4

2+2=4 bc 1+1 is 2 ×2 and that is 4 your welcome

Answer: 48 pupils get the bus to the cinema and 36 pupils walk to the cinema.

Step-by-step explanation:

Let's suppose that there are a total of N pupils.

We know that N/4 walk to the cinema.

We know that N/3 get the bus to the cinema.

And the remainder is equal to 60 people.

Then:

N - N/4 - N/3 = 60

N*(1 - 1/4 - 1/3) = 60

N( 12/12 - 3/12 - 4/12) = 60

N*( 5/12) = 60

N = (12/5)*60 = 144

Then the number of pupils that walk to the cinema is N/4, or:

144/4 = 36

And the number of pupils that get the bus is N/3, or:

144/3 = 48.

Answer:

a. 15%

b. 60%

Explanation:

Part a.

The absolute change in percentage points can be calculated as

So, by replacing the final value with 40% and the initial value with 25%, we get

Therefore, the absolute change is 15%

Part b.

The relative change can be calculated as

Replacing the final value with 40% and the initial value with 25%, we get

Therefore, the relative change is 60%

The probability that at least two of the 14 bits are 1 is approximately 0.9658 if a sequence of 14 bits is randomly generated.

Sequence number = 14

favourable outcome = 1

we can use the complement rule to calculate the probability that at least two of the 14 bits are 1.

The probability of a single bit 1 = 1/2

The probability of a single bit 0 = 1/2.

The probability that a single bit is not 1 =  \((\frac{1}{2}) ^{14}\)

The probability that exactly one bit is 1 =  \(14*(\frac{1}{2} ^{14} )\)

Therefore, the probability that at least two of the 14 bits are 1 is:

probability  = 1 - \((\frac{1}{2} ^{14} ) - 14*(\frac{1}{2} ^{14} )\)

probability  = 1 - \(15*( \frac{1}{2} ^{14} )\)

probability  = 0.9658

Therefore we can conclude that the probability that at least two of the 14 bits are 1 is approximately 0.9658.

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The probability of a student doing well on an exam given that they spend time reading is approximately 0.983 or 98.3%.

To calculate the probability of a student doing well on an exam given that the student spends time reading, we need to use conditional probability.

Let's denote:

P(R) as the probability of a student spending time reading (P(R) = 0.59),

P(E) as the probability of a student doing well on an exam (P(E)),

P(E|R) as the probability of a student doing well on an exam given that they spend time reading (P(E|R) = 0.58).

The formula for conditional probability is:

P(E|R) = P(E and R) / P(R).

Given that P(E and R) = 0.58 (the probability of a student doing well on an exam and spending time reading) and P(R) = 0.59 (the probability of a student spending time reading), we can substitute these values into the formula:

P(E|R) = 0.58 / 0.59 = 0.983.

Therefore, the probability of a student doing well on an exam given that the student spends time reading is approximately 0.983 or 98.3%.

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