The total area of the shape is 90cm²
What is area of a Triangle?Area is defined as the total space taken up by a flat (2-D) surface or shape of an object. The area of a triangle is expressed as ;
A = 1/2 bh, where b is the base and h is the height if that triangle.
The base of the a triangle in the shape is 6cm and the height is 5cm.
A = 1/2 bh
A = 1/2 × 6 × 5
A = 3× 5
A = 15cm²
Since the size of the triangles are equal ,it means that all the triangles will have thesame area.
Therefore the area of six triangles =
6× 15 = 90cm²
Therefore the area of the shape is 90cm²
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Determine if 32,48,80and 150 are in proportion
Answer:
No , they are not
Step-by-step explanation:
Checking the ratios:
32/48 = 0.67
48/80 = 0.6
80/150 = 0.53
Since the values are not equal, they are not in proportion.
Answer:
32, 48, 80, and 150 are not in proportion.
Step-by-step explanation:
To determine if 32, 48, 80, and 150 are in proportion, we need to check if the ratio of any two numbers is equal to the ratio of any other two numbers in the set.
Let's check:
Ratio of 32 to 48: 32/48 = 2/3
Ratio of 48 to 80: 48/80 = 3/5
Ratio of 80 to 150: 80/150 = 8/15
Since the ratios are not equal, 32, 48, 80, and 150 are not in proportion.
Mr. champion storage container is 4 feet long 3 feet wide and 7 feet tall can fit 88 boxes that each has a volume of 1 ft.³ in his container explain your answer
Answer:
because 7*3*4 is 88 ft^3
FORM 3A4
MATHS PROJECT
Get into groups of no more than 4 persons. Select a family size of 4/6/10 persons based on the greatest number of persons in the family in your group.
Calculate for the family size selected (allowing 24 inches for each person) the minimum diameter of a circular table to seat all members the minimum length of the side of a square table.
Calculate the area of the top of the circular table and the square table, and explain which is most appropriate for the family.
Assuming the family size selected is 6 persons,
The area of the top of the circular table would be: 1,660.51 In²; and The area of the top of the square table would be: 10,404 In²What is the explanation for the above response?Assuming the family size selected is 6 persons, the minimum diameter of a circular table to seat all members would be:
Minimum diameter = (Number of persons x Minimum distance between two persons) / π
= (6 x 24) / 3.14
= 45.86 inches (rounded up to 46 inches)
The minimum length of the side of a square table to seat all members would be:
Minimum length of side = (Number of persons x Minimum distance between two persons) / √2
= (6 x 24) / 1.41
= 101.41 inches
The area of the top of the circular table would be:
Area = π x (Diameter / 2)²
= π x (46 / 2)²
= 1,660.51 In²
The area of the top of the square table would be:
Area = (Length of side)²
= 102²
= 10,404 In²
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One side of a rectangle is three yards longer than twice the length of
If the perimeter is 27 yards, then the length of the other side of the rectangle is 3.5 yards.
Let's start by defining our variables. Let x be the length of one side of the rectangle (in yards), and let y be the length of the other side. We know from the problem statement that one side is three yards longer than twice the length of the other side, so we can express this algebraically as:
x = 2y + 3
The perimeter of a rectangle is given by the formula P = 2(x + y), so we can substitute our expression for x into this formula:
P = 2(2y + 3 + y) = 2(3y + 3) = 6y + 6
We are given that the perimeter of the rectangle is 27 yards, so we can set up an equation:
6y + 6 = 27
Solving for y, we can subtract 6 from both sides and then divide by 6:
6y = 21
y = 3.5
To check our answer, we can plug it back into our equation for x:
x = 2y + 3 = 2(3.5) + 3 = 7 + 3 = 10
So the other side of the rectangle is 10 yards long. We can verify that the perimeter is indeed 27 yards:
P = 2(x + y) = 2(10 + 3.5) = 2(13.5) = 27
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Complete question is:
One side of a rectangle is three yards longer than twice the length of the other side. If the perimeter is 27 yards, what is the length of the other side?
hi i don't get this question pls HELP! calculate the monthly repayments for the house loan(total cost divided by number of months) so for example i got my total cost that is 15,393,86 and i divided by the per month which is 12 so basically i did this and here is the answer:
(15,393,86 ÷ 12= 128282.1667) is this correct?
pls correct me and guid me
Yeah, it seems fine so you're doing great so far! ^^
ITS THE LAST DAY OF THE SEMSTER PLS HELP I AM GONNA FAILLLLLLLL!!!! PLEASE ANYONE HELP!!!!
Answer:
Step-by-step explanation:
I think to get the height is length x width
for distance you need to so SOH CAH TOA
To approach the runway, a pilot of a small plane must begin a 7 degrees descent starting from a height of 1069 feet above the ground. To the nearest tenth of a mile, how many miles from the runway is the airplane at the start of this approach?
The airplane is approximately 1.7 miles from the runway at the start of the approach.
What is trigonometry?
Trigonometry, the branch of mathematics concerned with specific functions of angles and their application to calculations. There are six functions of an angle commonly used in trigonometry
To solve this problem, we need to use trigonometry. The angle of descent is 7 degrees, which means that the angle between the horizontal ground and the plane's flight path is 7 degrees. We can use the tangent function to find the distance from the runway:
tangent (7 degrees) = opposite / adjacent
The opposite side is the height of the plane above the ground, which is 1069 feet. The adjacent side is the distance from the plane to the runway, which we need to find.
tangent (7 degrees) = 1069 / adjacent
We can solve for the adjacent side by multiplying both sides by the denominator:
adjacent = 1069 / tangent(7 degrees)
Using a calculator, we get:
adjacent = 1069 / 0.122173048
adjacent = 8743.3 feet
To convert this to miles, we divide by the number of feet in a mile:
adjacent = 8743.3 / 5280
adjacent = 1.655 miles
Rounding to the nearest tenth of a mile, we get:
The airplane is approximately 1.7 miles from the runway at the start of the approach.
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A serving of skinny popcorn has 4 grams of fiber. This is about 16% of the recommended daily amount of fiber. How many grams of fiber are in the recommended daily amount?
A serving of skinny popcorn has 4 grams of fiber, which is about 16% of the recommended daily amount of fiber. The recommended daily amount of fiber is 25 grams.
If a serving of skinny popcorn has 4 grams of fibre and provides 16% of the necessary daily fibre intake, we can apply a proportion to calculate the entire recommended daily fibre intake:
If x is the required daily fibre intake in grams, we may calculate the following proportion:
4 / x = 16 / 100
We may cross-multiply and simplify to find x:
4 × 100 = 16 × x
400 = 16x
x = 25
As a result, the daily fibre recommendation is 25 grams.
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The pressure exerted on a table by a brick is 180 N/m² and the area of the base of the brick is 0.03 m². Calculate the force, in N, that the brick exerts on the table. If your answer is a decimal, give it to 1 d.p.
Step-by-step explanation:
We can use the formula for pressure:
pressure = force/area
We know the pressure and the area, so we can rearrange the formula to solve for the force:
force = pressure x area
Plugging in the values, we get:
force = 180 N/m² x 0.03 m² = 5.4 N
Therefore, the force that the brick exerts on the table is 5.4 N
Two numbers are in the ratio of 7 : 4 and their difference is 33. Find the numbers.
Please do it step by step.
mike has these marks on his report card ; english =82% , french=75% , history =78% , science=80% what mark will he need in math if he wants to earn a mean mark of 80% across all these subjects ?is it possible for him to earn a mean mark of 85%
Mike cannot attain a mean grade of 85% for every one of his studies since a grade higher than 100% is not feasible.
What does the math mean?The sum of all numbers divided by the entire number of values determines the mean (also known as the arithmetic mean, which differs from of the median) of a dataset. This central tendency is usually referred to as the "average".
How can you calculate the mean?Just dividing the total amount of information in a data collection even by sum of all of the values yields it. Both raw data and data that have been compiled into a frequency distribution table can be used for the computation.
mean = (sum of all numbers) / (number of numbers)
80% = (82% + 75% + 78% + 80% + m) / 5
85% = m
The another equation is,
85% = (82% + 75% + 78% + 80% + m) / 5
425% = 315% + m
110% = m
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where would [-8,-6] be graphed on a coordinate grid
The point [-8,-6] would be graphed 8 units left and 6 units down from the origin (0,0) on a coordinate grid.
What is a coordinate grid?A coordinate grid, also called a Cartesian plane, is a two-dimensional plane formed by a horizontal x-axis and a vertical y-axis that intersect at the origin (0,0). It is used to graph and locate points in a two-dimensional space by their x- and y-coordinates.
The coordinate grid is formed by two perpendicular lines, the horizontal x-axis and the vertical y-axis.
The point [-8,-6] represents an ordered pair where -8 is the x-coordinate and -6 is the y-coordinate.
To graph this point on a coordinate grid, start at the origin (0,0), which is where the x-axis and y-axis intersect. Then, move 8 units to the left along the x-axis since the x-coordinate is negative.
After that, move 6 units down along the y-axis since the y-coordinate is negative. The point where you end up after moving left 8 units and down 6 units is the point (-8,-6).
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**PLEASE SOMEONE ANSWER IM STRUGGLING** To the nearest hundredth, what is the value x ?
Answer:
A answer that is not yet known.
Step-by-step
For example x is to sub in 21 but you do not know that yet
until you solve the question.
Ruby sold art supplies but it's on her website she bought the art supplies bundles of drawing paper and utensils for $75 each and included 70% markup to get the selling price what's the retail price including the marker for the art supply bundles
The retail price of each art supply bundle, including the markup, would be $127.50.
What is a markup, and how is it calculated?The gross or whole profit on a certain item or service is what is meant by markup. Moreover, it can be shown as a % of the cost price. For instance, if a product costs Rs. 100 and is sold for Rs. 150, the markup in this case will be 50%.
In studying the fundamentals of business, students come across the words selling price and cost price. A commodity's cost price is the amount paid when buying it from a retailer. The selling price, however, is the cost at which it is offered for sale.
Given that, the products were marked them up by 70%, then the selling price would be:
Selling price = $75 + 70% of $75
Selling price = $75 + $52.50
Selling price = $127.50
Therefore, the retail price of each art supply bundle, including the markup, would be $127.50.
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What must the values of a and b be for pqrs to be a parallelogram?
Answer:
the a give the x value twords the b and adds up the equation
Nick hiked 10 miles up a hill. He is 8 miles east from his starting point. To the nearest degree, at what angle was the incline of the hill?
To the nearest degree, the angle of the incline was approximately 39°.
What is an angle?
An angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle.
We can use the inverse tangent function to calculate the angle of the incline. The angle θ is given by:
θ = tan⁻¹(opposite/adjacent)
where opposite is the vertical distance (the height Nick hiked) and adjacent is the horizontal distance (the distance he traveled eastward).
Using the Pythagorean theorem, we can find the height Nick hiked:
height = [tex]\sqrt{(10)^{2} - (8)^2}[/tex]≈ 6
So, the opposite is approximately 6 miles.
Now we can plug in the values to find the angle:
θ = tan⁻¹(6/8)
θ ≈ 38.66°
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If you use a 0.02 level of significance in a (two-tail) hypothesis test, what is your decision rule for rejecting a null hypothesis that the population mean is 950 if you use the Z test? Which of the following decision rules is correct?
A. Reject H0 if -2.05 < Zstat +2.05.
B. Reject H0 if Zstat < -2.05 or Zstat > + 2.05.
C. Reject H0 if Zstat< -2.33 or Zstat > +2.33.
D. Reject H0 if -2.33 < Zstat < +2.33.
The correct decision rule for a test hypothesis with a significance level of 0.02, with two tails, is given as follows:
C. Reject H0 if Zstat< -2.33 or Zstat > +2.33.
What is the relation between the p-value and the conclusion of the test hypothesis?The decision regarding the null hypothesis depends on if the p-value is less or more than the significance level:
If it is more, the null hypothesis is not rejected, meaning that the result obtained on the research study is not statistically significant.If it is less, it is rejected, meaning that the result obtained on the research study is statistically significant.For a two-tailed test with a significance level of 0.02, the critical value is given as follows:
z = 2.33.
Hence the decision rule is given as follows:
|z| < 2.33 -> p-value < 0.02 -> do not reject H0.|z| > 2.33 -> p-value > 0.02 -> reject H0.Hence option C is the correct option for this problem.
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The cost of 4 chairs is the same as the cost of 3 tables. If the
cost of one chair is Rs. 48, find the cost of one table.
Answer: 64 Rs
Step-by-step explanation:
Let x be the number of tables
4 x 48 = 3x
192 = 3x
x = 64
Jacob is planting flowers for his grandmother. This morning, he spent an hour planting annuals and an hour planting perennials, but he planted more annuals than perennials. This afternoon, he has the same number of annuals and perennials left to plant. Which will likely take him more time to plant?
It is likely that it will take Jacob more time to plant the perennials than the annuals.
What is time?Time is an abstract concept that is not tangible and cannot be seen, touched, or heard. It is a measure of the passage of events and is used to set and track schedules, create goals, and even measure the lifespan of an individual. Time is a precious commodity that cannot be replaced or taken back. Once it has passed, it is gone forever. Time is also a powerful force that can bring us joy and sorrow, success and failure. It is a constant reminder of how quickly our lives can change and how important it is to make the most of every moment.
Perennials require more attention when planting because they have a longer lifespan and are meant to come back year after year. Annuals, on the other hand, only last for one season. Therefore, they require less attention when planting. Jacob will need to make sure that he carefully places the perennials in the soil, as well as taking care to not damage the roots. He may also need to take extra time to trim any overgrowth from the plants. This extra care and attention will likely take more time than it would to plant the annuals.
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Effect of Price on Supply of Eggs Suppose the wholesale price of a certain brand of medium-sized eggs p (in dollars/carton) is related to the weekly supply x (in thousands of cartons) by the following equation. 625p2 − x2 =100
If 37000 cartons of eggs are available at the beginning of a certain week and the price is falling at the rate of 7¢/carton/week, at what rate is the supply changing? (Round your answer to the nearest whole number. ) (Hint: To find the value of p when x = 37, solve the supply equation for p when x = 37. )
The supply of average eggs is decreasing at a rate of approximately -550 cartons per week as the price decreases 7 cents per carton per week.
The equation given states that the weekly supply x (in thousands of cartons) of a certain brand of medium-sized eggs is related to the wholesale price p (in dollars/carton) by the following equation: 625p2 − x2 =100. In order to determine the rate at which the supply is changing, we must first calculate the value of p when x = 37,000, which is the number of cartons available at the beginning of the week. To do this, we can solve the equation for p when x = 37,000[tex]p = (100 + x2)1/2/625[/tex]. When x=37,000, p=3.65. Therefore, if the price is falling at the rate of 7¢/carton/week, then the new price p = 3.65 - 0.07 = 3.58. When we plug this new value of p into the supply equation, we get[tex]x^2[/tex] = 4,225. Taking the square root of both sides gives us x = 65. Therefore, the supply is decreasing at a rate of approximately -550 cartons per week as the price decreases 7 cents per carton per week.
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Factorise. 15(k+g)² - 20 (k+g)
Answer:Factorise. 15(k+g)² - 20 (k+g)
Step-by-step explanation:=[15(k+g)-20] (k+g)
=15 k²+15kg-20k+15kg+15g²-20g
=15k²+15g²+30kg-20k-20g
What is the median of the following data values? 10, 14, 15, 17, 20, 21, 22, 25
Answer:
The median of the data set is 18.5
Step-by-step explanation:
To find the median of this set of data values, we need to first arrange them in numerical order:
10, 14, 15, 17, 20, 21, 22, 25
The middle value is the median. If there is an odd number of values, there will be exactly one middle value, and if there is an even number of values, the median will be the average of the two middle values.
In this case, there are 8 values, which is an even number. So, we take the average of the sum of the 2 middle numbers:
Median of Data Set = (17 + 20)/2 = 18.5
Therefore, the median of the data set is 18.5.
460134. 2722596. Qx3zqy7 a shuttle van picks up passengers and drives them to a destination, where they leave the van. Keep a count of the boarding passengers, but don't allow boarding if the van is full. Update the odometer when the van drives
By using a counting method, the driver can keep track of how many passengers have boarded the van, and by measuring the distance driven, they can update the odometer.
The formula for calculating the total number of passengers that can board a shuttle van is:
Total Passengers = Number of Seats in the Van - 1 (Driver)
For example, if the van has 10 seats, the total number of passengers that can board the van is 9 (10 - 1).
To keep track of how many passengers have boarded the van, we can use a simple counting method. Each time a passenger boards the van, the counter should be increased by 1. When the counter reaches the maximum number of passengers the van can hold, the driver should not allow any more passengers to board.
To update the odometer, the driver can measure the distance the van has driven since the last update. This can be done by using a GPS device or by measuring the distance between two points on a map. The total number of miles driven since the last update can then be added to the previous odometer reading to find the new odometer reading.
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is this statement true sometimes always or never ??
The statement: If ∠F is a 60° angle, then cos (F) = sin (F), is never true.
What are sine and cosine functions?Two of the six trigonometric functions used to connect angles to the sides of a right triangle are sine and cosine. The length of the opposite side of an angle divided by the length of the hypotenuse of a right triangle is known as the sine function. The length of the adjacent side of an angle divided by the length of the hypotenuse of a right triangle is known as the cosine function.
We know that,
If angle F is 60 degrees, then the value of cos F = 1/2 and sin F = sqrt(3)/2.
Therefore, cos F is not equal to sin F and the statement is never true.
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The membership fee at a sports club was $700 per year. Each year, the membership fee increased by 6%. Write the equation to find out how many years will it take for the cost of the membership to be $900? Do not solve.
[tex]\qquad \textit{Amount for Exponential Growth} \\\\ A=P(1 + r)^t\qquad \begin{cases} A=\textit{accumulated amount}\dotfill & \$ 900\\ P=\textit{initial amount}\dotfill &700\\ r=rate\to 6\%\to \frac{6}{100}\dotfill &0.06\\ t=years\\\ \end{cases} \\\\\\ 900 = 700(1 + 0.06)^{t} \implies 900=700(1.06)^t[/tex]
Please help this is Grade 8 nobody answered it so i am putting it up i will give brainlist you need to solve part 2 the 2 with the circle is all i got
Answer: 12=7
Step-by-step explanation: add one side ten add the other
Yes, this is a solution because the point(s) at which all the lines intersect are the solutions to the system.
Plsss helppppp i need thisss rnnnn
Answer:
a = 21, b = 70, c = 89
Step-by-step explanation:
opposite angles of intersecting lines are the same, 21 = 21
adjacent angles of intersecting lines add up to 180, 180 - 110 = 70
angles of a triangle add up to 180, 180 - 70 - 21 = 89
Answer:
a = 21, b = 70, c = 89
Step-by-step explanation:
A rectangular prism has a height of 1 inch, a width of of an inch, and a 2 1volume of of a cubic inch. What is the length, in inches, of this prism?
The length of the rectangular prism is 1 inch.
The volume of a rectangular prism can be calculated using the formula V = lwh, where l is the length, w is the width, and h is the height. In this case, the volume of the prism is given as 1 cubic inch and the width and height are given as 1 inch and 1 inch, respectively. To solve for the length of the prism, we can rearrange the equation to l = V/wh. Plugging in our given values, we can calculate the length of the prism as l = 1/1 x 1 = 1 inch. Thus, the length of the rectangular prism is 1 inch.Therefore, the length of the rectangular prism is 1 inch.
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aunt polly asked tom to paint the entire length of a fence,but he only painted 8 yards and then ran away to play. Sid had to finish the job for to. Sid started at noon and by 12:30 p.m.,14 yards were painted including what tom had painted.By 2:00 p.m., 32 yards were painted,and by 2:30 p.m., 38 yards were painted.Let t be the number of minutes that have passed since sid started painting at noon,but not past 4:30 p.m. Write an equation that shows the relation ship between t and p where p is the number of yards of painted fence.
The equation that shows the relation ship between t and p is 0 ≤ t < 270.
What is the Linear equations?A linear equation is an algebraic equation where the highest power of the variable is 1, and the equation represents a straight line when graphed.
Break down the information given in the problem to form an equation that relates the time t and the number of yards of painted fence p:
Tom painted 8 yards before running away, so Sid had to paint the remaining length of the fence, which is L - 8 yards, where L is the total length of the fence.
From noon to 12:30 p.m., Sid painted 14 - 8 = 6 yards.
From 12:30 p.m. to 2:00 p.m., Sid painted 32 - 14 = 18 yards.
From 2:00 p.m. to 2:30 p.m., Sid painted 38 - 32 = 6 yards.
We want to find an equation that relates the time t (in minutes) to the number of yards of painted fence p.
Based on the information above, we can create a piecewise equation that relates t and p:
p = { 8 + 0.2t, 0 ≤ t < 30
14 + 0.6(t - 30), 30 ≤ t < 90
32 + 0.4(t - 90), 90 ≤ t < 150
38 + 0.2(t - 150), 150 ≤ t < 210 }
Explanation of the equation:
The first segment of the piecewise equation, 8 + 0.2t, represents the yards of fence painted by Tom (8) plus the yards painted by Sid in the first 30 minutes (0.2t), where 0 ≤ t < 30.
The second segment, 14 + 0.6 (t - 30), represents the additional yards painted by Sid between 12:30 p.m. and 2:00 p.m., where 30 ≤ t < 90. The expression (t - 30) represents the time elapsed since 12:30 p.m., and the coefficient 0.6 represents the rate at which Sid is painting the fence in yards per minute during this period.
The third segment, 32 + 0.4 (t - 90), represents the additional yards painted by Sid between 2:00 p.m. and 2:30 p.m., where 90 ≤ t < 150. The expression (t - 90) represents the time elapsed since 2:00 p.m., and the coefficient 0.4 represents the rate at which Sid is painting the fence in yards per minute during this period.
The fourth segment, 38 + 0.2 (t - 150), represents the additional yards painted by Sid between 2:30 p.m. and 4:30 p.m., where 150 ≤ t < 210. The expression (t - 150) represents the time elapsed since 2:30 p.m., and the coefficient 0.2 represents the rate at which Sid is painting the fence in yards per minute during this period.
Note that we have limited the time t to be between noon and 4:30 p.m., which corresponds to 0 ≤ t < 270.
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Fully factor the following polynomials. Explain your thought process with your solution.
a. ????(x) = 2x3 − 25x2 + 53x − 30 [3 marks]
b. ????(x) = x3 + 3x − 4 [3 marks]
a. the factors of equation is [tex]f(x)=(x-1)(x-10)(2x-3)[/tex]
b. the factors of equation is [tex]f(x)=(x-1)(x^2+x+4)[/tex]
Define the term polynomial?A polynomial is an expression consisting of variables and coefficients that involves only the operations of addition, subtraction, and multiplication, with non-negative integer exponents.
a. Given function,
[tex]f(x)=2x^3 -25x^2 + 53x - 30[/tex]
By using trial and error method, put values of x =1, x= 10, and x= 3/2 are satisfied values for above function,
[tex]f(x)=(x-1)(x-10)(2x-3)[/tex]
therefore, the factors of equation is (x-1) (x-10) (2x-3)
b. Given function,
[tex]f(x)=x^3 +3x - 4[/tex]
Similarly using trial and error method,
[tex]f(x)=(x-1)(x^2+x+4)[/tex]
therefore, the factors of equation is (x-1) (x² + x + 4)
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Factor of given polynomials are a. (x-1)(x-10)(2x-3), b. (x-1)(x² + x + 4) .
Describe polynomials ?In mathematics, a polynomial is an expression that consists of variables and coefficients, combined using the operations of addition, subtraction, and multiplication, but not division by a variable. The variables in a polynomial can only have non-negative integer exponents.
Polynomials can have different degrees, which is the highest power of the variable in the expression. For example, the polynomial 3x² - 5x + 2 is a quadratic polynomial, since its highest power of x is 2. If the degree of a polynomial is n, then it has at most n roots, which are the values of x that make the polynomial equal to zero.
Polynomials are used in many areas of mathematics and science, including algebra, calculus, physics, and engineering. They are used to model and analyze many different types of phenomena, such as motion, population growth, and electrical circuits.
Polynomials can also be added, subtracted, and multiplied together to form new polynomials. Additionally, polynomials can be factored, which involves breaking them down into simpler polynomials that multiply together to give the original polynomial.
a) f(x)= 2x³ - 25x² + 53x - 30
⇒(x-1)(x-10)(2x-3)
b) f(x)= x³ + 3x - 4
⇒(x-1)(x² + x + 4)
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The complete question is: