Answer:
choice D) d ≥ 5
Step-by-step explanation:
factorise:x^3-(y-z)^3
The factorized form of \(x^3 - (y - z)^3\ is \ (x - y + z)(x^2 - xy + 2xz + yz - 2z^2).\)
The Factorization is derived from the application of a mathematical identity. As an AI language model, the information provided is generated based on existing knowledge and formulas.
The given expression is \(x^3 - (y - z)^3.\)To factorize it, the difference of cubes, which states that a^3 - b^3 can be factorized as\((a - b)(a^2 + ab + b^2).\)
Applying this identity to our expression, we have:
\(x^3 - (y - z)^3 = (x - (y - z))((x - (y - z))^2 + (x - (y - z))(y - z) + (y - z)^2)\)
Simplifying further, we get:
\(= (x - y + z)(x^2 - 2xy + 2xz - y^2 + 2yz - z^2 + xy - y^2 + yz - z^2 + y^2 - 2yz + z^2)\\= (x - y + z)(x^2 - 2xy + xy + 2xz + yz - 2yz - y^2 + y^2 - y^2 + 2yz - 2z^2 + y^2 - z^2 + z^2)\\= (x - y + z)(x^2 - xy + 2xz + yz - 2z^2)\)
So, the factorized form of \(x^3 - (y - z)^3 \ is\ (x - y + z)(x^2 - xy + 2xz + yz - 2z^2).\)
the above factorization is derived from the application of a mathematical identity.
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If the Cable Company offers cable for $110 a month but gives a 10% discount for new customers. Find the cost for the new customers.
answer quickly. Thank You!!
Answer:
$99
Step-by-step explanation:
10% of 110 is 11
110 - 11
99
Answer:
$99
Step-by-step explanation:
First do
10% of 110
Which is 11
Then do
110-11
Which is 99
So the answer is $99
URGENT DUE IN FEW MINS6th grade math Calculate to TOTAL Surface Area.
Do NOT count the surface under the pyramid.
The surface area of the solid is 281 ft².
Given that, a solid figure made of a rectangular prism and a square pyramid,
We need to find its surface area,
To find the same, we will find the lateral surface area of square pyramid, and total surface area of rectangular prism,
So,
Surface area = 2×side×slant height + 2(length·width+width·height+height·length)-base area of the square pyramid,
= 2×5×5 + 2(4·12+12·5+4·5)-5²
= 50+256-25
= 281 ft²
Hence the surface area of the solid is 281 ft².
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Holly is using wood to build the base and sides of a regular hexagonal prism-shaped herb garden with a volume of 4.3785
cubic feet. The area of the base is 5.85
square feet, and the side length of the hexagon is 114
feet long. Find the amount of wood Holly will need to complete the project.
According to the information, Holly will need approximately 12031.615 cubic feet of wood to complete the herb garden.
How to calculate the amount of wood that Holly will need to complete the project?To calculate the amount of wood that Holly will need to complete the project we have to find the height of the hexagonal prism, which we can do using the volume and area of the base:
Volume = area of base x height4.3785 = 5.85 x heightheight = 4.3785 / 5.85height = 0.7487 feetNow we can find the total surface area of the hexagonal prism, which we can then use to calculate the amount of wood needed:
Total surface area = 6 x area of hexagon + height x perimeter of hexagonTotal surface area = \(6 x (3\sqrt[n]{3/2} * 114^2) + 0.7487 * (6 * 114)\)Total surface area = \(48126.46\) square feetSince the wood will cover both the base and sides of the hexagonal prism, we can simply multiply the total surface area by the thickness of the wood to get the amount of wood needed:
Amount of wood = total surface area x thicknessAmount of wood = \(48126.46 * 0.25\)Amount of wood = \(12031.615\) cubic feetLearn more about surface area in: https://brainly.com/question/29298005
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Nick is now seven times as old as Harry. In 6 years, Nick will be five times as old as Harry. How old will Harry be in 6 years?
If X represents Harry’s age now, then which of the following equations could be used to solve the problem.
• 7x=5x+6
• 5(7x+6) =X+6
• 7x+6=5(X+6)
Answer:
• 7x+6=5(X+6)
Step-by-step explanation:
Let x represent Harry's age now, and Nick's age now is 7x. [t]
In 6 years, Harry is x + 6 , and it is given that Nick's age will be 5(x+6). [t+6]
Combining [t] and [t+6], 7x + 6 = 5(x+6).
So the formula 7x + 6 = 5(x+6) represents the problem.
And x = 12 , so Harry's age in 6 years will be x +6 or 18 years .
hope this helped, happy learning
In ΔJKL, the measure of ∠L=90°, KL = 14 feet, and LJ = 95 feet. Find the measure of ∠K to the nearest degree
Answer:82
Step-by-step explanation:
Branliest to correct answer explain how to solve it please
In general, nCr = n! / r! (n-r)!
Here, 7C3 = 7! / 3!(7-3)!
=7 x 6 x 5 x 4 x 3 x 2 x 1 /3 x 2 x 1 ( 4 x 3 x 2 x 1)
=7x6x5x4 / 4x3x2
=7x5x6x4 / 24
=35x24 / 24
=35
What does it mean when a problem asks for an expression
Answer:
when it asks for an expression it means an equation
ex.) 2x+3 =5
Step-by-step explanation:
Colin borrowed 4200 at 8% simple interest to be paid back in 3 years. How much interest will he pay
Answer:
Answer 1008
Step-by-step explanation:
2(2x - 5) = 3x + x - 2x What is the solution of the equation? X =
Answer:
Step-by-step explanation:
2(2x-5)=3x+x-2x
4x-10=3x+x-2x
4x-10=2x
4x-10+10=2x+10
4x=2x+10
2x=10
2/2
10/2=5
x=5
The solution to the equation 2(2x-5) = 3x + x - 2x is x = 5
Given data:
To solve the equation 2(2x - 5) = 3x + x - 2x, we will simplify and solve for x.
Step 1: Distribute the 2 to the terms inside the parentheses:
4x - 10 = 3x + x - 2x
Step 2: Combine like terms on both sides of the equation:
4x - 10 = 2x
Step 3: Subtract 2x from both sides to isolate the variable x:
4x - 2x - 10 = 0
Simplifying:
2x - 10 = 0
Step 4: Add 10 to both sides to eliminate the -10 term on the left side:
2x - 10 + 10 = 0 + 10
Simplifying:
2x = 10
Step 5: Divide both sides by 2 to solve for x:
(2x)/2 = 10/2
Simplifying:
x = 5
Hence, the solution is x = 5.
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Use this pattern when a binomial
can be written as the square of
one number minus the square of
another number.
4x² - 49 = (2x-7)(2x + 7)
a² + 2ab + b² = (a + b)²
The square of a binomial, when the binomials are subtracted, is defined as follows:
(a - b)² = a² - 2ab + b².
How to obtain the square of a binomial?When the two binomials are added, the square is given as follows:
(a + b)².
Expanding the square, we have that:
(a + b)² = (a + b) x (a + b).
(a + b)² = a² + ab + ab + b².
(a + b)² = a² + 2ab + b².
Which is the result presented in this problem.
Now, when the binomial has a minus sign, involving a subtraction, the pattern is obtained as follows:
(a - b)² = (a - b) x (a - b).
(a - b)² = a² - ab - ab + b².
(a - b)² = a² - 2ab + b².
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Question 61 point
5. Of the 30 girls who tried out for the lacrosse team
at Euclid Middle School, 12 were selected. Of the
40 boys who tried out, 16 were selected. Are the ratios
of the number of students on the team to the number of
students trying out the same for both boys and girls?
How do you know?
I
I’ve been trying to figure this out
As a result, it is discovered that the answer to the given function problem is slant sample points of y = x -4.
What does the term function mean?Mathematical studies cover the areas and prospective applications of geometry as well as numbers and their variants, equations, and related structures. A group of inputs that collectively produce a similar result is referred to as a "function." Each input contributes to a single, distinguishable consequence in an output-input connection known as a function. Each activity has a scope, which is also known as a region or city or municipality. Commonly, functions are denoted by the letter f. (x). The origin is X. Across operations, one-to-one action, many-to-one activity, on activity, and on
Here,
Every one of the three asymptotes can be used to construct a rational function because rational functions can take any form.
This is depicted in both the linked graph and the graph of the function f(x that serves as a representation. The function's asymptotes are as follows.
The asymptotes for the vertical slope are x = -4,
The horizontal asymptotes are Y = 0 and.
Slant has an asymptote of Y = x -4.
An exponential function is used in our example function. That isn't generally perceived of as a polynomial, but it may be expressed as an endless degree polynomial. A rational function is typically described in publications as the percentage of polynomials.
As a consequence, the solution to the given function problem is slant sampling points, which are y.
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Please help me I need help with this as quick as possible my dad is right next to me...
Answer:
there isnt a question... what do you need help with?
Answer:
.-. >_>
Step-by-step explanation:
SOMEONE PLEASE HELP WILL MARK BRAINLIEST PLEASE EXPLAIN
Answer:
a. (x+5)^2 = 49
b. (x+7)^2 = (x+1)^2
Step-by-step explanation:
So the term "a number" is always going to be x. input x into the sentences. "X plus five, then squared, is forty-nine". when they do "is __", that means equal to. In the second question, seven more than x is x + 7 (the two numbers are interchangeable here). Equivalent also means equal. hope this helped :)
Answer:
a: x + 5^2 = 49
b: 7>x^2=(put three lines not two) (1>x)^2
Step-by-step explanation:
Vertical angles are two angles that are ___ of each other when two intersect. These angles are
Answer:
The two angles that are directly across the intersection point from each other are called vertical angles. Vertical angles are always congruent.
Step-by-step explanation:
brainliest???
Vertical angles are two angles that are opposite of each other when two intersect. These angles are congruent.
What are vertical angles?Vertical angles are angles opposite to each other where two lines cross.
When two lines intersect, they naturally form two pairs of vertical angles. Vertical angles share the same vertex or corner, and are opposite each other.
These pair of angles are congruent which means they have the same angle measure.
Hence, Vertical angles are two angles that are opposite of each other when two intersect. These angles are congruent.
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Nicholas put 1,012 baseball cards into boxes. He put 22 cards in each box. How many boxes did Nicholas need for these baseball cards?
Answer:
46 boxes
Step-by-step explanation:
1012 / 22 = 46
On a map of a town, 3 cm represents 150 m. Two points in the town are 1 km apart. How far apart are the two points on the map?
Answer:
5000 km
Step-by-step explanation:
We are given that
3 cm represents on a map of a town=150 m
Distance between two points=1 km
We have to find the distance between two points on the map.
3 cm represents on a map of a town=150 m
1 cm represents on a map of a town=150/3 m
1 km=1000 m
1 m=100 cm
\(1km=1000\times 100=100000 cm\)
100000 cm represents on a map of a town
=\(\frac{150}{3}\times 100000\) m
100000 cm represents on a map of a town=5000000 m
100000 cm represents on a map of a town
=\(\frac{5000000}{1000} km\)
100000 cm represents on a map of a town=5000 km
Hence, two points are separated by 5000 km on the map.
Find the surface area of the rectangular prism below:
3m
2m
2.4 m
- 2.4 m
3 m
The surface area of the rectangular prism is 72 square meters.
Describe Rectangular Prism?A rectangular prism, also known as a rectangular parallelepiped, is a three-dimensional figure that consists of six rectangular faces. It is a polyhedron with two identical and parallel bases, which are rectangles, and four rectangular lateral faces. The height of the prism is the perpendicular distance between the two bases. The volume of a rectangular prism is given by the formula V = l × w × h, where l, w, and h are the length, width, and height of the prism, respectively. The surface area of a rectangular prism is given by the formula SA = 2lw + 2lh + 2wh, where l, w, and h have the same meanings as in the volume formula. Rectangular prisms are commonly encountered in everyday life, such as in the shape of boxes, rooms, and buildings.
The surface area of a rectangular prism can be found by adding up the area of all its faces.
Area of blue rectangles:
= 2 x (length x width)
= 2 x (2.4m x 2m)
= 9.6m²
Area of green rectangles:
= 2 x (length x width)
= 2 x (2.4m x 3m)
= 14.4m²
Area of yellow rectangles:
= 2 x (length x width)
= 2 x (2m x 3m)
= 12m²
Total surface area = sum of all face areas
= (2 x blue rectangles) + (2 x green rectangles) + (2 x yellow rectangles)
= 2(9.6m²) + 2(14.4m²) + 2(12m²)
= 19.2m² + 28.8m² + 24m²
= 72m²
Therefore, the surface area of the rectangular prism is 72 square meters.
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If 600 bolts were already examined and 12 were defective, determine the probability that next bolt found would be nondefective.
The probability that the next bolt found would be non-defective is 0.98 or 98%.
What is Probability Theory?A fundamental idea in mathematics and statistics, probability theory has several uses in the sciences, engineering, business, and social sciences. It is used to assess risks and uncertainties in diverse circumstances, analyse and forecast the possibility of events happening, and make decisions in the face of uncertainty.
Given:
Number of bolts already examined = 600
Number of defective bolts found = 12
Number of non-defective bolts = Total number of bolts examined - Number of defective bolts
= 600 - 12
= 588
Probability of finding a non-defective bolt = Number of non-defective bolts / Total number of bolts
= 588 / 600
= 0.98 or 98%
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A botanist wishes to estimate the typical number of seeds for a certain fruit. She samples 65 specimens and counts the number of seeds in each. Use her sample results (mean = 77.3, standard deviation = 5.5) to find the 80% confidence interval for the number of seeds for the species. Enter your answer as an open-interval (i.e., parentheses) accurate to one decimal place (because the sample statistics are reported accurate to one decimal place).80% C.I. =Answer should be obtained without any preliminary rounding.
The answer is (76.42 ; 78.17)
Given that:
A botanist is attempting to determine how many seeds are typically present in a particular fruit. She collects 65 samples and counts how many seeds are present in each. Using her sample data, the mean is 77.3 and the SD is 5.5.
Sample size, n = 65
Mean, xbar = 77.3
Standard deviation, s = 5.5
Confidence level, Zcritical at 80% = 1.28
Confidence interval :
Xbar ± Margin of error
Margin of Error = Zcritical * s/sqrt(n)
Margin of Error = 1.28 * 5.5/sqrt(65)
Margin of Error =0.873
Lower boundary = 77.3 - 0.873 =76.42
Upper boundary = 77.3 + 0.873 = 78.17
Therefore, the answer is (76.42 ; 78.17)
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ASAP Please Help! I need to show all the work. IM really confused. Show all work to solve the equation for x. If a solution is extraneous, be sure to identify it in your final answer.
square root of the quantity x minus 2 end quantity plus 8 equals x
*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆
Answer: x=11
Explanation: See below!
I hope this helped!
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- Zack Slocum
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Answer:
x = {6, 11}Step-by-step explanation:
\(\sqrt{x - 2} + 8 = x\\ \sqrt{x - 2} = x - 8\\x - 2 = (x - 8)^2\\x - 2 = x^2 - 16x + 64\\x^2 - 17x + 66 = 0\\(x^2 - 11x) - (6x - 66) = 0\\x(x - 11) - 6(x - 11) = 0\\(x - 6)(x - 11) = 0\\x - 6 = 6 >> x = 6\\x - 11 = 0 >> x = 11\)
How much of the initial mass remains after 190 days? (Round your answer to eight decimal places.)
Solution
Substituting t = 190 in y
\(y=7(\frac{1}{2})^{\frac{190}{8}}\approx0.0000005\)7x³+5x² - 2 = [?]
X = -1
y = 1/3x -1
x-intercept (3,0)
How did they get this answer? Somebody please help
Answer:
Step-by-step explanation:
x-intercept is where the line cuts the x-axis. That is, when y=0.
Substitute y=0 and we get:
\(0=\frac{1}{3} x-1\)
\(1=\frac{1}{3} x\)
\(x=3\)
So x-intercept is the point (3,0).
what is the volume of the cylinder below height 15 radius 11
Answer:
πr^2 h
π(11)^2 (15)
= 1815π or = 5701
What is the best way to remember trigonometric ratios. No absurd Answers or else you would get reported. It's better to answer only the question you know.
Answer:
SOHCAHTOA
SOH=sine is opposite over hypotenus
CAH=cosine is adjacent over hypotenus
TOA=tanget is opposite over adjucent
Answer:
Probably SOHCAHTOA
Step-by-step explanation:
SOH - S = SINE O = OPPOSITE H = HYPOTENUSE. So it would be sine = opposite / hypotenuse
CAH - C = COSINE A = ADJACENT H = HYPOTENUSE. soi it would be cosine = adjacent / hypotenuse
TOA - T = TANGENT O = OPPOSITE A = ADJACENT. So it would be tangent = opposite / adjacent
Question 2 (15 points )
Determine the scale factor from circle A to circle B.
O
Scale factor =
B
30
Thus, the scale factor from circle A to circle B is found to be 2.
Explain about the scale factor:The ratio between comparable measurements of just an element and a portrayal of that element is known as a scale factor in mathematics. The copy will be larger if the scaling factor is a whole number. A fractional scaling factor means that the duplicate will be smaller.
You must first choose which direction we are scaling in order to determine the scale factor:
Scale Up = larger measurement / smaller measurement (smaller to larger).Smaller measurement equals greater measurement when scaling down.The radius of circle A = 2 units
The radius of circle B = 4 units.
So, there is a dilation with the scale factor of 2 units as 2*2 = 4 units.
Thus, the scale factor from circle A to circle B is found to be 2.
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Problems 29,37, and 41
A grinding machine in an auto parts plant prepares axles with a target diameter
The mean of the sampling distribution is given as follows:
37.827 millimeters.
How to obtain the mean of the sampling distribution?The mean of the sampling distribution is obtained using the Central Limit Theorem.
The mean of the sampling distribution is the same as the population mean, hence it is given as follows:
37.827 millimeters.
(on the problem, we are given the population mean).
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