The width of rectangular garden comes out to be 20 feet .
Let the width be x feet .
Therefore , length is ( x + 32 ) feet .
Formula for perimeter of a rectangle :
perimeter = 2 ( length + breadth )
By substituting the values in the formula above , the equation becomes ,
2 ( x + x + 32 ) = 144
2 x + 32 = 144 / 2
2 x = 40
x = 20
Hence , width = 20 feet , length = 52 feet .
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The polynomial function f(x) has degree 4, a y-intercept of 40, roots of -5 and 4, and a multiplicity 2 root of 1. Enter f(x).
the graph of the equation is shown
The polynomial is:
f(x) = -2*(x + 5)*(x - 4)*(x - 1)*(x - 1)
How to get the polynomial function?Let's assume the leading coefficient is A, we know that the degree is 4, the y-intercept is 40, and we have the roots (-5, 4, 1, 1)
Then the polynomial is:
f(x) = A*(x + 5)*(x - 4)*(x - 1)*(x - 1)
Now we use the fact that the y-intercept is 40, so we have:
f(0) = 40 = A*(0 + 5)*(0 - 4)*(0 - 1)*(0 - 1)
40 = A*-20
40/-20 = A = -2
Then the polynomial is:
f(x) = -2*(x + 5)*(x - 4)*(x - 1)*(x - 1)
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tap A fills 260 liters of water in 4 hours
tap B fills 248 liters in 4 hours
how many more liters tap A can fill than tap B in 8 hours
Answer:
Step-by-step explanation:
X^2 +7x +12 divided by x + 2
The required simplified value of x² +7x +12 divided by x + 2 is x + 5 + [2 / (x + 2)].
To determine the simplified value of x² +7x +12 divided by x + 2.
The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.
Here,
As per the given data,
Division of function,
= x² +7x +12/ x + 2
= x² + 7x + 10 + 2 / x +2
= (x + 5)(x + 2) + 2 / x + 2
= (x + 5) (x + 2) / x + 2 + 2 / x + 2
= x + 5 + 2 / (x + 2)
Thus, the required simplified value of x² +7x +12 divided by x + 2 is x + 5 + [2 / (x + 2)].
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For the set {3, 4, 5, 8,x), the
mean, median and mode all
have the same value. What
is the value of x that would
make this true?
Your lunch costs $10.95 at a
Answer:
x = 5
Step-by-step explanation:
Mode: The most frequently occurring data value.
Median: The middle value when all data values are placed in order of size.
Mean: The sum of all data values divided by the total number of data values.
As the mode is the most frequently occurring data value, x must be 3, 4, 5 or 8.
If the mode is 3 or 4, then the data set will be {3, 3, 4, 5, 8} or {3, 4, 4, 5, 8}. Therefore, the median would be 4.
If the mode is 5 or 8, then the data set will be {3, 4, 5, 5, 8} or {3, 4, 5, 8, 8}. Therefore, the median would be 5.
Therefore, the median is 4 or 5.
[tex]\boxed{\sf mean=\dfrac{\textsf{sum of all the numbers}}{\textsf{amount of numbers}}}[/tex]
If x = 4, the mean would be:
[tex]\sf \implies mean=\dfrac{3+4+5+8+4}{5}=\dfrac{24}{5}=4.8[/tex]
If x = 5, the mean would be:
[tex]\sf \implies =\dfrac{3+4+5+8+5}{5}=\dfrac{25}{5}=5[/tex]
Therefore, the only value of x that allows the mean, median and mode to all have the same value is x = 5.
Write an absolute value equation that has the solutions x= -10 and x= -5.
The absolute value equation for the values of x = -10 and x =-5 will be |( x + 10 )( x + 5 )| =0.
According to the question.
We have solutions of a absolute value equation.
As we knoaw that, the non-negative value of a real number x without regard to its sign is known as its absolute value or modulus equation in mathematics and is indicated by the symbol |x|.
To find the absolute value equation whose solution are x = -10 and x = -5 we need to add some previous steps, which make the equation an absolute value equation.
|(x+10)(x+5)|=0,
x=-10 and x=-5
Hence, the absolute value equation for the values of x = -10 and x =-5 will be |( x + 10 )( x + 5 )| =0.
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What is the most common statistical method of expressing the precision of a series of repetitive measurements?.
The common statistical method of expressing the precision of a series of repetitive measurements is the standard deviation.
What is a standard deviation?It should be noted that the standard deviation is the measure of how dispersed the data is in relation to the mean.
It should be noted low standard deviation implies that data are clustered around the mean, and high standard deviation means data are more spread out.
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How many solutions (m, n) exist for the equation n = √(100 - m²) where both m and
n are integers?
(A) 4
(C) 7
(D) 8
(B) 6
(E) 10
Answer:
A) 4
Step-by-step explanation:
First note that m cannot exceed 10 otherwise 100-m² will be negative and √(100-m²) will not be a real number much less an integer
Enumerate all values of m from 0 through 10, find the square, subtract from 100 and see if the result is a perfect square.- we take the square root and see if it is an integer value. The table below details everything. m and n are integers on in 4 cases m = 0, 6, 8 or 10.
Hence the answer is 4 solutions
m m² 100-m² √(100-m²)
0 0 100 10
1 1 99
2 4 96 9.797958971
3 9 91 9.539392014
4 16 84 9.16515139
5 25 75 8.660254038
6 36 64 8
7 49 51 7.141428429
8 64 36 6
9 81 19 4.358898944
10 100 0 0
Evaluate.
4-6 |3-5| /3
Answer:
0
Step-by-step explanation:
suppose that $a$ and $b$ are digits, not both nine and not both zero, and the repeating decimal $0.\overline{ab}$ is expressed as a fraction in lowest terms. how many different denominators are possible?
The possible denominators are {3, 9, 11, 33, 99}.
What is the Quotient?A quotient is defined as the outcome of dividing an integer by any divisor that can be said to be a quotient. The dividend contains the divisor a specific number of times.
We have been given that a and b are digits, not both nine and not both zero, and the repeating decimal.
⇒ 100x = ab⋅abababab
⇒ x = 0.abababab
Subtract the above equation from 100x = ab⋅abababab,
So 99x = ab
The denominator of this fraction will always be a divisor of 99 when represented in the lowest term = 3⋅3⋅11
According to this, we have the options in the set. {1, 3, 9, 11, 33, 99}.
Since a and b both are not both 9 and not both zero the denominator 1 cannot be possible.
Hence, the possible denominators are {3, 9, 11, 33, 99}.
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Which multiplication equation best represents the figure
Option C uses the multiplication equation to express the figure, 0.27 x 9 = 2.43, by basic algebra.
What is basic algebra?Numbers, variables, constants, expressions, equations, linear equations, and quadratic equations are all part of the basics of algebra. Additionally, the algebraic expressions contain the basic arithmetic operations of addition, subtraction, multiplication, and division.
Now, firstly refer to the image attached.
Since each large square is one whole, we've been provided with two complete squares, where 4 filled rows and 3 empty rows make up the last entire square row.
According to the third square, the answer is 2.43, i.e., the answer is 2.43 after you multiply to find which of 0.27 and 9 truly equals it, by basic algebra.
The figure is therefore represented by the multiplication equation.
⇒ 0.27 × 9 = 2.43
Hence, Option C uses the multiplication equation to express the figure, 0.27 x 9 = 2.43, by basic algebra.
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Please help as fast as you can!!!!
-2 1/3 - 1 3/4=
4=8/3
I hope this helps, I think thin is the right answer
Evaluate rs + 14s when r = 6 and s = 1/4
Answer:
5
Step-by-step explanation:
rs + 14s
(6)(1/4) + 14(1/4)
[tex]\frac{6}{4}[/tex] + [tex]\frac{14}{4}[/tex] = [tex]\frac{20}{4}[/tex] = 5
Answer:
5
Step-by-step explanation:
rs + 14s
r = 6
s = 1/4
= 6*1/4 + 14*1/4
= 6/4 + 14/4
= (6+14) / 4
= 20/4
= 5
identify whether the statement describes inferential statistics or descriptive statistics. the average age of the students in a statistics class is 20 years.
The statement ''The average age of the students in a statistics class is 20 years'' describes descriptive statistics.
As they're used to represent a particular records set, metrics like average, median, mode, standard deviation, and variety are categorized underneath descriptive information.however, when a speculation check is carried out to make inferences about a population from sample records, it's miles known as inferential data.As right here we're given the average age of all 20 students in the magnificence right here, and we are not seeking to prediction from the sample records, and we're directly getting it as a population parameter. therefore descriptive statistics is the correct solution here.via creating summaries of records samples, descriptive statistics can be used to describe the characteristics of a facts set.To learn more about descriptive statistics visit:
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which way the the graph of g(x) = |x + 3| move
Underground Floors charges $8 per square foot of wood flooring plus $150 for installation. Woody's Hardwood Flooring charges $6 per square foot plus $200 for installation. At how many square feet of flooring would the two companies charge the same amount for flooring? If you were going to put flooring on your kitchen floor that had an area of 120 square feet, which company would you choose?
AT 25 SQUARE FEET OF FLOORING
CHOOSE WOODY'S HARDWOOD FLOORING
HOW TO COMPARE RATE OF FLOORING OF TWO COMPANY ?Typically, the price of engineered hardwood flooring is $6 to $10 per square foot, plus $1.75 to $2.20 per square foot for installation. High-quality hardwood flooring typically costs between $6 and $13 per square foot from customers. Your home renovation project could be very stressful. Expectations, timeframes, budgets, and the cost of flooring contractors all need to be harmonized.
There will always be a time when you want to give up on the renovation project. For some reason, finding someone to install your flooring is usually the first step.
CALCULATION1 - 8s + 150 = 6s + 200
2s = 50
s= 25 sq.feet
2 - 120 * 8 + 150 = 1110
120 * 6 + 200 = 920
1110 > 920
so choose woody's hardwood flooring.
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solve the problem. a basketball player makes approximately 69% of free throws. if she plays in a game in which she shoots 7 free throws, what is the probability the she will make all 7?
If she plays in a game in which she shoots 7 free throws, the probability that she will make all 7 = 0.0188
For given question,
a basketball player makes approximately 69% of free throws.
So, the probability of success (p) = 0.69
the probability of failure (q) = 0.31
She plays in a game in which she shoots 7 free throws.
So, n = 7
We need to find the probability that she will make all 7.
Using Binomial probability Distribution,
For x = 7,
[tex]P(x = 7) =~ ^7C_7\times (0.67)^7\times (0.31)^{7-7}\\\\P(x=7)= 1\times 0.0606\times 0.31\\\\P(x=7)=0.0188[/tex]
Therefore, if she plays in a game in which she shoots 7 free throws, the probability that she will make all 7 = 0.0188
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determine if the collection is not well defined and therefore is not a set. the collection of current nfl players
The collection of current NFL players is well defined and is a set
Step-by-step explanation:
For a collection to be termed as a set, it is necessary that it has distinct objects that are defined.
For example, a set of first 10 natural numbers is
A= [1,2,3,4,5,6,7,8,9,10]
It is well defined and therefore called as set which has first 10 natural numbers as its elements.
Same is the case with the collection of current NFL players.
The collection contains defined number of players. Therefore, this collection is called a set.
The members of the collection or team will be known as the elements of the set.
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[tex]\frac{-x}{3} + 4 = 20[/tex]
The solution of the linear equation:
-x/3 + 4 = 20
Is x = -48
How to solve the linear equation?Here we have the linear equation:
-x/3 + 4 = 20
And we want to solve it for x. Which means that we need to isolate x in one of the sides of the linear equation.
Remember that we can perform the same operation in both sides of the equation, so we start by subtracting 4 in both sides, then we get:
-x/3 + 4 - 4 = 20 - 4
-x/3 = 16
Now we can multiply both sides of the equation by -3, then we get:
-3*(-x/3)= -3*16
x = -48
The solution of the linear equation is x = -48
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Pls solve this question step by step
Answer:
Step-by-step explanation:
midpoint of line segment with endpoints (3.2,2.5) and (1.6,-4.5)
The midpoint of the line segment with the endpoints is (2.4, -1)
How to determine the midpoint of the line segment with the endpoints?The endpoints are given as:
(3.2,2.5) and (1.6,-4.5)
The midpoint of the line segment with the endpoints is calculated as
Midpoint = 0.5 * (x1 + x2, y1 + y2)
So, we have:
Midpoint = 0.5 * (3.2 + 1.6, 2.5 - 4.5)
Evaluate the sum
So, we have:
Midpoint = 0.5 * (4.8, -2)
Evaluate the products
So, we have:
Midpoint = (2.4, -1)
Hence, the midpoint of the line segment with the endpoints is (2.4, -1)
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Suppose Aji and sunshine have to pay $11 in royalties for each Beatles song and $7 for each Donovan song. How many of each type should they put on their CD to minimize their royalty costs?
To minimize their royal costs to $200, the number of Donovan songs to include is 15 and the number of Beatles songs to include is 5.
What are ratios?Ratios are numerical relationships between variables that show how much each variable is contained in another.
Ratios are stated in fractions, percentages, or decimals.
Data and Calculations:Total songs to include in the song = 20
The ratio of Donovan and Beatles = 5:1.5
The number of Donovan songs to include = 15 (20/6.5 x 5)
The number of Beatles songs to include = 5 (20/6.5 x 1.5)
Royalty cost per Donovan song = $11
Royalty cost per Beatles song = $7
Total royalty costs for Donovan and Beatles song = $200 ($11 x 15 + $7 x 5)
Thus, the number of Donovan songs to include is 15 and the number of Beatles songs to include is 5.
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Question Completion:Aji and Sunshine want to make a CD of songs from the 1960s to donate to their school library to be broadcast during school picnics. Sunshine's parents were big fans of the 60s singer Donovan, and they named her after his song "Sunshine Superman." Aji's folks were devotees of the Beatles. Aji and Sunshine want their CD to consist entirely of songs by Donovan and the Beatles. Because Sunshine is named after a Donovan song, she wants to include at least as many Donovan songs as Beatles songs. Aji agrees. In return, Sunshine agrees to include at least five Beatles songs. 5 1.5 To provide enough variety to make the mix interesting, they decide to include at least 20 songs altogether.
Maggie Travers works in the town's sanitation department. She is on a group health plan provided by the state for municipal employees. The insurance costs $6700 annually. The state pays 40% of the cost. Maggie is paid semi-monthly. How much should she expect to be deducted from her pay each paycheck for health insurance?
Answer:
$167.50
Step-by-step explanation:
Since the state pays 40% of the health insurance, Maggie will have to pay 100 - 40 = 60% of the insurance amount annually
60% = 0.6 decimal
So Maggie pays 0.6 x 6700 = $4,020
Maggie is paid semi-monthly ie 2 paychecks a month
In a year, there are 12 months so Maggie receives 24 paychecks annually
The total insurance amount of 4020 is split over 24 paychecks
So each paycheck deduction will be 4020/24 = $167.50
the base of a ladder is 10 feet away from the bottom of a building’s wall. if the ladder makes a 35 ◦ angle with the ground, find the length of the ladder to the nearest tenth of a foot.
The length of the ladder to the nearest tenth of a foot as evaluated by trigonometric ratios is; 12.2ft.
What is the length of the ladder as discussed to the nearest of a foot?Since the base of the ladder as indicated in the task content is 10 feet away from the bottom of a building's wall, it follows that the set-up in discuss is analogues to a right triangle whose adjacent is 10ft;
Therefore, the length of the ladder which is the hypothenuse can be evaluated as follows;
cos 35° = 10/L
L = 10/cos 35
L = 12.2ft.
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without solving determine whether the solution of 1/3x =21 is greater than or less then 21. explain
solution of 1/3x=21 is greater than 21.
What does a linear equation mean in mathematics?A linear equation only has one or two variables. In a linear equation, no variable can be multiplied by a value greater than one or used as the denominator of a fraction. When you find the values that make a linear equation true and plot those values on a coordinate grid, all the points fall on the same line.
CALCULATIONSolving the linear equation
x/3 = 21
multiplying by 3 on both sides
x/3 * 3 = 21 * 3
x = 63
→63>21,
that is, solution of the linear equation is greater than 21.
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Find the product of -2r² (12r³ − 2r² − 9r + 11) in standard form.
Answer:
-24r⁵ + 4r⁴ + 18r³ - 22r².
Step-by-step explanation:
-2r² (12r³ − 2r² − 9r + 11)
= -24r⁵ + 4r⁴ + 18r³ - 22r²
Answer:
Step-by-step explanation: Refer to attachment.
phytoremediation is the use of plant growth to purify pollutants from soil, water, or air. suppose that a crop of brake ferns can remove 15 milligrams (mg) per square meter of a particular pollutant from the soil in 20 weeks. after 20 weeks, the ferns are harvested and a new crop is planted. if c represents the number of crops of brake ferns needed to phytoremediate soil contaminated with 170mg per square meter of the pollutant down to healthy levels of 5mg per square meter, which equation best models the situation?
Equation that best models the situation is where c = 11
What is phytoremediation?
Living plants are used in phytoremediation technologies to purify contaminated soil, air, and water. According to the definition, it involves "the use of green plants, associated microbes, suitable soil amendments, and agronomic techniques to either contain, remove, or render dangerous environmental toxins harmless." The word is a combination of the Greek words phyto (plant) and remedium (remedy) (restoring balance). Despite being appealing due to its low cost, phytoremediation hasn't been shown to significantly address any environmental issues, at least not to the point where contaminated space has been returned. A cost-effective plant-based method of environmental cleanup called phytoremediation is being proposed. It makes use of plants' capacity to concentrate elements and chemicals from the environment and to detoxify different contaminants. The ability of certain plants, known as hyperaccumulators, to bioaccumulate substances is what causes the concentrating effect. The impact of cleanup is very different. Organic contaminants, which can be destroyed, are typically the main targets for phytoremediation while toxic heavy metals cannot. Several field tests supported the viability of employing plants to clean up the environment.
Let the number of crops needed to remove pollution = c
Since one crop can remove 15 mg of pollution per square meter.
Then, "c" number of crops may remove "15 C" mg of pollutant per square meter.
Now, the total amount of pollution per sq. meter Equals 170 mg
Additionally, it is necessary to reduce pollution to 5 mg per square meter.
Consequently, the equation for the scenario is given by,
Pollutants 'c' crops can remove from the total amount of pollution equal the amount of pollution required, or 170-15c=5.
Upon solving the equation, we get, c= 11.
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choose the first set in the list of natural numbers, whole numbers, integers, rational numbers, and real numbers that describes the following number.
The given number is a real number.
What are real numbers?A real number is a value of a continuous quantity that can be used to indicate a distance along a line in mathematics.
We are given the following in the question:
{natural numbers, whole numbers, integers, rational numbers, real numbers}
π / 108
We have to tell the type of number that describes the given fraction.
Evaluating the value, we have,
0.0290888208666...........
This is not a natural number or a whole number. This is not a rational number.
Since is an irrational number, thus quotient of an irrational number and a rational number is an irrational number.
Thus, it is a real number.
The complete question is given below:-
Choose the first set in the list of natural numbers, whole numbers, integers, rational numbers, and real numbers that describes the following number. StartFraction pi Over 108 EndFraction.
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it takes $24$ minutes for jana to walk one mile. at that rate, how far in miles will she walk in $10$ minutes? express your answer as a decimal to the nearest tenth.
This shows that she covered 0.4 miles in 10mins
Rate of changeSpeed is defined as the rate of change of distance.
If it takes 24 minutes for jana to walk one mile, the rate of Jana is expressed as;
Rate= 24/1 mile
Rate = 24min/mile
In order to determine the distance she walk in 10 minutes, we will have;
Distance in 10min = 10/24
Distance in 10 min = 0.4 miles
This shows that she covered 0.4 miles in 10mins
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HELP!!!!!! In one serving of trail mix, the ratio of the number of ounces of raisins to the number of ounces of peanuts is 2 to 3. 2). Drag the numbers into the table to show how many ounces of raisins and peanuts are needed for different numbers of serving . tell me the answer you don't have to give me step by step explanation for ratios!!!!!
The ounces of raisins and peanuts needed for different numbers of serving are :
for 4 serving = 8 raisins and 12 peanuts
for 12 serving = 24 raisins and 36 peanuts
According to the question we have been given that in one number of serving the ratio of number of ounces of raisins to the number of ounces of peanuts is given as :
ratio = 2 : 3
We need to find ounces of raisins and peanuts needed for different numbers of serving.
For 4 serving,
Raisins = 4*2 = 8
Peanuts = 4*3 = 12
and we see that their ratio = 8/12 = 2/3
For 12 serving,
Raisins = 12*2 = 24
Peanuts = 12*3 = 36
and we see that their ratio = 24/36 = 2/3
Hence the ounces of raisins and peanuts needed for different numbers of serving are :
for 4 serving = 8 raisins and 12 peanuts
for 12 serving = 24 raisins and 36 peanuts
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1) list out the elements of the set "the letters of the word mississippi" 2) list out the elements of the set "months of the year" 3) write a verbal description of the set {3, 6, 9} 4) write a verbal description of the set {a, i, e, o, u} 5) is {1, 3, 5} a subset of the set of odd integers? 6) is {a, b, c} a subset of the set of letters of the alphabe
1. The elements of the set are {m, I, s, p}
The elements of the set are the letters in Mississippi. Elements cannot repeat themselves.. So the elements of this set would be {m, I, s, p} since all the other letters are just repetitions.
2. Set of months in a year are
{January,February,March,April,May,June,July,August,September,October,November,December}
3. Verbal Descriptions: It is a verbal description of the set is an English sentence to specify a law that allows us to decide the category of objects to be addressed and to determine whether it is in the set for any particular object.
Since, 3, 6 and 9 are divisible by 3 also less than 10.
4. Verbal description of the set {a,e,i,o,u} is vowels
In English these five alphabets{a,e,i,o,u} are known as vowels .
since the given set contains only vowels.
5. Yes (1,3,5) is the subset of odd integers.
The set of odd integers is the superset containing elements :-
Let A = { 1 , 3 , 5 , 7 , 9 ,..... ,( 2n + 1 ) }
And,
B = { 1 , 3 , 5 }
B is a subset of A because all elements of B lie in A .
6. Yes (a,b,c) is the subset of letters of the alphabet.
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