in this kind of exercises you need to work in 3 steps:
1. split your figure into shapes you know
2. calculate the area of those separate shapes
3. add the areas
1. (see picture)
2. shape 1 (triangle)
A= 8m×3m
A= 24m²
2. shape 2 (rectangle)
A= 8m×4m
A= 32m²
3.
total A= A1+ A2
A= 24m²+32m²
A= 56m²
Find the perimeter of AMNP.
The perimeter of ΔMNP is 130 units.
What is a perimeter?The complete length of a shape's boundary is referred to as its perimeter. A shape's perimeter is calculated by adding the lengths of all of its sides and edges. Linear units of measurement like centimeters, meters, inches, or feet are used to measure it.Way to calculate the perimeter of a triangle:
Perimeter = a + b + cWhere a, b, c = length of three sides.Here, we know that:
The perimeter of ΔMNP is equal to:
P = MN + NP + MP
First, we find MP:
MP = 2 (QR), Q is the midpoint of segment MN, and R is the midpoint of segment NP.
MP = 2 * 25MP = 50 unitsNow, we find NP:
NP = 2 (QS), Q is the midpoint of segment MN, and S is the midpoint of segment MP.
NP = 2 * 22NP = 44 unitsNow, we find MN:
MN = 2 (RS), R is the midpoint of segment NP and S is the midpoint of segment MP.
5x - 34 = 2 *(x + 4)5x - 34 = 2x + 83x = 42x = 14So,
MN = 5 (14) - 34MN = 36 unitsNow, we find the perimeter as follows:
P = MN + NP + MPP = 36 + 44 + 50P = 130 UnitsHence, the perimeter of ΔMNP is 130 units.
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9999 Prime factorion
The prime factorization of 9999 is 3 x 11 x 101, and it is significant in understanding divisors, prime factor applications, and cryptography.
The prime factorization of the number 9999 is 3 x 11 x 101. This means that 9999 can be expressed as the product of these prime numbers. In mathematics, prime factorization is the process of breaking down a composite number into its prime factors.
The significance of prime factorization lies in its fundamental role in number theory and various mathematical applications. Prime factorization helps in understanding the divisors and factors of a number. It provides insight into the unique combination of prime numbers that compose a given number.
In the case of 9999, its prime factorization can be used to determine its divisors. Any divisor of 9999 will be a product of the prime factors 3, 11, and 101. Furthermore, prime factorization is utilized in various mathematical algorithms and cryptographic systems, such as the RSA encryption algorithm, which relies on the difficulty of factoring large composite numbers into their prime factors.
In summary, the prime factorization of 9999 provides a way to express the number as a product of prime numbers and holds significance in understanding divisors, prime factor applications, and cryptography.
complete question should be What is the prime factorization of the number 9999, and what is its significance in mathematics or number theory?
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You might need: Calculator
What is the area of the following circle?
Either enter an exact answer in terms of it or use 3.14 for and enter your answer as a decimal.
T=7
units?
Show Calculator
Answer:
Area = 153.8 cm/ m
Step-by-step explanation:
Area of circle = 22 ÷ 7 × r²
= 22 ÷ 7 × (7²)
= 22 ÷ 7 × 49
= 3.14 × 49
= 153.8 cm/ m
If principal=p,rate of interest=R and time=T,then write the formula to find the compound amount
It is given that P = principal, R = rate of interest and T = time
Formula to find compound interest is:
A = P(1 + R/100)^T
where A = amount received after n years
P = principal amount invested
R = rate of interest
T = time for which the amount is invested
The interest earned on savings that are computed using both the original principal and the interest accrued over time is known as compound interest.
It is thought that Italy in the 17th century is where the concept of "interest on interest" or compound interest first appeared. It will accelerate the growth of a total more quickly than simple interest, which is solely calculated on the principal sum.
Money multiplies more quickly thanks to compounding, and the more compounding periods there are, the higher the compound interest will be.
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A gift shop uses two sizes of boxes for presents. These boxes have exactly the same shape. The smaller box is 14 cm long, and the larger box is 18 cm long.
If 1029 cm of wrapping paper is needed to cover the smaller box, how much wrapping paper is needed to cover the larger box?
The amount of wrapping paper that is needed to cover the larger box is equal to 1,323 cm².
What is a direct proportion?In Mathematics and Geometry, a direct proportion simply refers to a mathematical equation which is typically used to represent the equality of two (2) ratios.
By applying direct proportion to the given information, we have the following mathematical equation:
smaller box = larger box
14 cm = 1029 cm²
18 cm = x cm²
By cross-multiplying, we have the following:
14x = 1029 × 18
14x = 18,522
x = 18,522/14
x = 1,323 cm².
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HELP Members of a soccer team suspect the coin used for the coin toss at the beginning of their games is unfair. They believe it turns up tails less often than it should if it were fair. The coach of the team decides to flip the coin 100 times and count the number of tails. His trial results in 35 tails. He decides to carry out a significance test. What is the p-value he obtains and the general conclusion that can be made at a 99% significance level?
The p-value is 0.0013. He should reject the null in favor of the alternative.
The p-value is 0.0013. He should fail to reject the null.
The p-value is 0.9987. He should reject the null in favor of the alternative.
The p-value is 0.9987. He should fail to reject the null.
There is not enough information provided to calculate the p-value and make a conclusion.
Answer:
d
Step-by-step explanation:
What number is missing to make the following statement true 8 11/15= 7 ?/15
Answer:
7 26/15
Step-by-step explanation:
all you have to do is add 15 to the 11.
A total solar eclipse in 2003 lasted 8 9/20 minutes and was viewed from the southern hemisphere. The next total solar eclipse in 2005 lasted 3 8/9 minutes and was viewed from the northern hemisphere. How much longer was the 2003 solar eclipse? The 2003 solar eclipse was minutes longer than the 2005 solar eclipse. (Simplify your answer. Type a whole number, proper fraction, or mixed number)
Answer:
20 mins
Step-by-step explanation:
2003 17 2005 20
A farmer plowed 9/10 of a acre in the morning and 1/2 of an acre in the afternoon. How many acres did the farmer plow in all?
Answer:
7/5
Step-by-step explanation:
Answer:
1\(\frac{2}{5}\) of an acre or 1.4 acres.
Step-by-step explanation:
The least common multiple of 10 and 2 is 10.
Convert \(\frac{9}{10}\) and \(\frac{1}{2}\) to fractions with a denominator of 10.
\(\frac{9}{10}\)+\(\frac{5}{10}\)
Since these fractions now have the same denominator, add them by adding the numerators.
\(\frac{9+5}{10}\)
Add 9 and 5 to get 14.
\(\frac{14}{10}\)
Reduce the fraction to the lowest terms by extracting and canceling out 2.
\(\frac{7}{5}\)= \(1\frac{2}{5}\) =1.4
hope this helps!
an insurance company has determined that each week an average of nine claims are filed in their atlanta branch. what is the probability that during the next week: exactly seven claims will be filed? no claims will be filed? less than four claims will be filed?
There is a 9.16% probability that exactly seven claims will be filed in the next week.
There is a 0.0123% probability that no claims will be filed in the next week.
There is a 5.73% probability that less than four claims will be filed in the next week.
In this scenario, the insurance company has determined that the average number of claims filed in their Atlanta branch each week is nine. To calculate the probability of specific outcomes for the next week, we can use the Poisson distribution formula, which is commonly used to model the probability of rare events occurring over time.
The formula is:
P(x) = \((e^-\lambda \times \lambda ^x)\) / x!
Where:
P(x) = the probability of x events occurring
e = the mathematical constant approximately equal to 2.71828
λ = the average number of events that occur in a given time period (in this case, nine claims per week)
x = the number of events we are interested in
Using this formula, we can calculate the probability of the following outcomes for the next week:
Exactly seven claims will be filed:
P(7) = \((e^{-9} \times 9^7)\) / 7! = 0.0916 or approximately 9.16%
No claims will be filed:
P(0) = \((e^{-9} \times 9^0)\) / 0! = 0.000123 or approximately 0.0123%
Less than four claims will be filed:
P(0) + P(1) + P(2) + P(3) = \((e^{-9} \times 9^0) / 0! + (e^{-9} \times 9^1) / 1! + (e^{-9} \times 9^2) / 2! + (e^{-9} \times 9^3) / 3!\) = 0.0573 or approximately 5.73%
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In a certain board game, a 12-sided number cube showing numbers 1 through 12 is rolled. In this game, a number cube must be rolled until a number 9 or higher appears. What is the probability that the first such number is on the 3rd roll? startfraction 1 over 27 endfraction startfraction 4 over 27 endfraction startfraction 8 over 27 endfraction startfraction 19 over 27 endfraction.
The probability of rolling a 9 or higher on the 3rd roll is 4/27, or approximately 14.8%.
Probability is a branch of mathematics that deals with determining the likelihood or chance of an event occurring. It is often expressed as a fraction or a percentage.
Conditional probability is the probability of an event happening given that another event has already happened.
The probability of not rolling a 9 or higher on the first roll is 8/12 or 2/3, as there are 8 numbers on the cube that are less than 9.
The same is true for the second roll, so the probability of not rolling a 9 or higher on the first two rolls is (2/3) * (2/3) = 4/9.
The probability of rolling a 9 or higher on the third roll is 4/12 or 1/3, as there are 4 numbers on the cube that are 9 or higher.
So, the probability of rolling a 9 or higher on the third roll given that the previous two rolls did not result in a 9 or higher is
=> (4/9) * (1/3) = 4/27
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Someone help Me it’s timed!!!
Answer: v=42
Step-by-step explanation:
18+(6)(4)
Which set of numbers are closed under addition?
The set of integers is closed under the operation of addition because the sum of any two integers is always another integer and is therefore in the set of integers.
What are integers ?
An integer is a whole number (not a fractional number) that can be positive, negative, or zero. Examples of integers are: -5, 1, 5, 8, 97, and 3,043. Examples of numbers that are not integers are: -1.43, 1 3/4, 3.14, .
According to the Property of Closure, A set has the closure property under a particular operation if the result of the operation is always an element in the set. If a set has the closure property under a particular operation, then we say that the set is “closed under the operation.”
Hence , the set of integers is closed under the operation of addition because the sum of any two integers is always another integer and is therefore in the set of integers.
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Which equation shows a proportional relationship between x and y?
y = 16
y = 7x
y=−7x−2
y = 9x + 1
The equation that shows a proportional relationship is y = 7x.
How to find the equation that is proportional?Two variables have a proportional relationship if all the ratios of the variables are equivalent.
In other words, a proportional relationship is one in which two quantities vary directly with each other.
Therefore, a proportional relationship can be represented as y = kx.
where
k = constant of proportionalitythe variables are x and yTherefore, y varies directly as x in a proportional relationship.
Hence, the equation that shows proportional relationship is y = 7x as 7 is the constant of proportionality. y and x are the variables.
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Answer:
y = 7x
Step-by-step explanation:
the proportional relationship is y = 7x as 7 is the constant of proportionality. y and x are the variables.
The table displays the scores of students on a recent exam. Find the mean of the scores to the nearest 10th.
The mean of the scores to the nearest 10th digit will be 74.9.
What is Mean?The mean is the straightforward meaning of the normal of a lot of numbers. In measurements, one of the markers of focal propensity is the mean.
Then the mean is given as,
Mean = (Total score) / (total student)
The total score will be
Total score = 65 x 8 + 70 x 7 + 75 x 3 + 80 x 8 + 85 x 3 + 90 x 2 + 95 x 2
Total score = 520 + 490 + 225 + 640 + 225 + 180 + 190
Total score = 2470
The total number of students will be
Total student = 8 + 7 + 3 + 8 + 3 + 2 + 2
Total student = 33
Then the mean will be
Mean = 2470 / 33
Mean = 74.85 ≈ 74.9
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Pythagorean Theorem and its converse
A mouse has made holes in opposite corners of a rectangular kitchen. Starting from its hole in the northwest corner, the mouse scurries 2.2 meters along the length of the kitchen to reach a piece of cheese in the southwest corner. Then the mouse scurries 3.6 meters along the width of the kitchen to its other hole in the southeast corner. Finally the mouse scurries back to the first hole. What is the total distance the mouse scurries? If necessary, round to the nearest tenth.
Please Help
The total distance the mouse scurries is 10 meters
How to determine the valueTo determine the value, we need to note that the Pythagorean theorem states that the square of the longest side of a triangle called the hypotenuse is equal to the sum of the squares of the other two sides.
This is represented as;
x² = y² + z²
Such that the parameters are;
x is the hypotenusey is the oppositez is the adjacent sideFrom the information given, we have that;
x² = 2.2² + 3.6²
find the squares
x² = 4. 84 + 12. 96
add the values
x² = 17. 8
x= 4. 22 meters
The total distance = 2.2 + 3.6 + 4.2
Add the values
= 10 meters
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A spinner is divided into 9 equal parts. What is the probability of it landing on an even number?
Answer:
4/9
Step-by-step explanation:
the greater denver area chamber of commerce wants to estimate the mean time workers who are employed in the downtown area spend getting to work. the chamber does not know what the population standard deviation is. using a 98% confidence interval, what are the lower and upper values of the confidence interval of the population mean for the minutes spent getting to work?
The lower and upper values of the confidence interval of the population mean for the minutes spent getting to work is (31.74,38.4)
What is Standard Deviation?
The square root of the variance is used to calculate the standard deviation, a statistic that expresses how widely distributed a dataset is in relation to its mean. By calculating the departure of each data point from the mean, the standard deviation may be determined as the square root of variance. The bigger the deviation within the data collection, the more the data points deviate from the mean; Hence, the higher the standard deviation, the more dispersed the data.
We know that:
\(\text { Standard Deviation }=\sqrt{\frac{\sum\left(x_i-\bar{x}\right)^2}{n-1}}\)
where \(x_{i}\) is the mean and n is the number of observations.
\(\text { Standard Deviation }=\sqrt{\frac{\sum\left(x_i-\bar{x}\right)^2}{n-1}}\)
98% Confidence interval:
\(\bar{x} \pm t_{\text {critical }} \frac{s}{\sqrt{n}}\)
Putting the values, we get,
\(t_{\text {critical }} \alpha_{0.02}\\=\pm 2.14535.07 \pm 2.145\left(\frac{6.02}{\sqrt{15}}\right)\\=35.07 \pm 3.33\\=(31.74,38.4)\)
Hence, The lower and upper values of the confidence interval of the population mean for the minutes spent getting to work is (31.74,38.4)
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What is the common ratio between successive terms in the sequence?
27, 9, 3, 1.7.
27
O-3
عد اس مراس
01/1/0
O 3
Answer:
hold up
Step-by-step explanation:
عد اس مراس whats this mean??
Suppose your winnings after one round of a game has the following probability distribution x $0 $1 $2 $4 P(x) 1/2 1/4 1/8 1/8 find the average distribution
The average distribution or expected value after one round of the game is $0.75 or 75 cents.
To find the average distribution or expected value, we multiply each possible outcome by its corresponding probability and sum them up.
Given the probability distribution:
x: $0 $1 $2 $4
P(x): 1/2 1/4 1/8 1/8
We calculate the expected value (E) as follows:
\(E = (0\times 1/2) + (1 \times 1/4) + (2 \times 1/8) + (4 \times 1/8)\)
E = 0 + 1/4 + 1/4 + 1/2
E = 1/4 + 1/2
E = 3/4
Therefore, the average distribution or expected value after one round of the game is $0.75 or 75 cents.
This means that if you were to play the game multiple times, on average, you would expect to win $0.75 per round.
It's important to note that the expected value represents the long-term average and may not necessarily reflect the outcome of a single round. In this case, the expected value of $0.75 suggests that over many rounds, with the given probability distribution, we would expect to win an average of 75 cents per round.
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Complete the equation to make a true statement.
Enter your answer in the box.
Applying the power of power rule, the completed equation is given as follows:
\(x^{10} = (x^5)^2\)
How to use the power of power rule?The power of a power rule is used when a single base is elevated to multiple exponents, and states that simplified expression is obtained keeping the base, while the exponents are multiplied.
Hence the missing exponent for this problem is obtained as follows:
2x = 10
x = 10/2
x = 5.
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A veterinarian keeps track of the types of animals treated by an animal clinic. The following distribution represents the percentages of animals the clinic has historically encountered. Animal type Dogs Cats Livestock Birds Other Percent 61% 22% 8% 6% 3% If the animal clinic treats 230 animals in a month, how many of each animal type would be expected? A) Animal type Dogs Cats Livestock Birds Othei Expected 61 22 CO 8 6 3 B) Animal type Dogs Cats Livestock Birds Othei 122 Expected 44 16 12 6 C) Animal type Dogs Cats Livestock Birds Othei Expected 140 51 18 14 7 D) Animal type Cats Livestock Birds Othei Dogs 46 Expected 46 46 46 46 E) Cats Livestock Birds Other Animal type Dogs Expected 740.3 50.6 18.4 13.8 6.9
To find the expected number of each animal type treated by the veterinarian, we will multiply the percentage distribution by the total number of animals treated in a month.
Total animals = 230
Dogs: 61% * 230 = 0.61 * 230 = 140.3 (approximately 140)
Cats: 22% * 230 = 0.22 * 230 = 50.6 (approximately 51)
Livestock: 8% * 230 = 0.08 * 230 = 18.4 (approximately 18)
Birds: 6% * 230 = 0.06 * 230 = 13.8 (approximately 14)
Other: 3% * 230 = 0.03 * 230 = 6.9 (approximately 7)
So, the expected number of each animal type treated is:
Dogs: 140
Cats: 51
Livestock: 18
Birds: 14
Other: 7
The correct answer is C) Animal type Dogs Cats Livestock Birds Other Expected 140 51 18 14 7
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Kala's chocolate bar is 44% cocoa. If the weight of the chocolate bar is 89 grams, how many grams of cocoa does it contain? Round your answer to the nearest tenth.
Answer:
47.7 grams.
Step-by-step explanation:
Please help will mark as brainlest and give 25 points
Write an equivalent expression by distributing the "−" sign outside the parentheses:
−(−6.8k+8)
Answer:
\( - ( - 6.8k + 8) \\ = + 6.8k - 8 \\ thank \: you\)
You send a text to a friend. Your friend forwards it to 10 other friends, who each forward it to 10 more friends. The pattern continues for 5 rounds after your first text.
a. How many people will receive the text during the 4th round? Write your answer in scientific notation and in standard form.
b. How many total people have received the text? Write your answer in standard form. Explain your calculation.
Answer:
a. The number of people that receive the text in the fourth round are 10³ people
b. The total number of people that receive the text are 1.1111 × 10⁴ people
Step-by-step explanation:
a. The given information are;
The number of people the text is sent to in the first round = 1
In the second round, the number of people the text is sent to by people in the first round = 10
In the third round, the number people the text is sent to by the 10 people in the second round = 10 × 10 = 100 people = 10² people
In the fourth round, the number of people the text is sent to by the people in the third round = 100 × 10 = 1000 people = 10³ people
The number of people that receive the text in the fourth round = 10³ people
b. In the fifth round, the number of people, the people in the fourth round send the text to = 1000 × 10 = 10000 people = 10⁴ people
The total number of people that receive the text = 1 + 10 + 10² + 10³ + 10⁴ people = 11111 people = 1.1111 × 10⁴ people
PLEASE help me, im really struggling on this.
The system of equations that represent this situation is x + y = 52 and x + 2.25y = 72
What is an equation?
An equation is an expression that shows the relationship between two or more numbers and variables.
An independent variable is a variable that does not depend on any other variable for its value while a dependent variable is a variable that depends on other variable.
Let x represent the number of pounds of bananas sold and y represent the grapes sold, hence:
x + y = 52 (1)
Also:
x + 2.25y = 72 (2)
The system of equations that represent this situation is x + y = 52 and x + 2.25y = 72
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AND AGAIN PLEASE
100 POINTS
Step-by-step explanation:
_______________________
x 0 1 6 4.5 10.5
_______________________
y 0 2 12 9 21
_______________________
Answer:
_______________________
x 0 1 6 4.5 10.5
_______________________
y 0 2 12 9 21
_______________________
Step-by-step explanation:
Which graph(s) would a linear model be best?
A. 2 and 3
B. 1 and 4
C. 2 and 5
D. 3 and 6
Answer:
D. 3 and 6
A linear model would be best for Scatterplots 3 and 6.
a number between 2.6 and 2.61
Answer:
2.6021 all the way to 2.609