Choose the correct simplification of (4x − 3)(3x2 − 4x − 3).
12x3 + 25x2 + 9
12x3 − 25x2 − 9
12x3 + 25x2 − 9
12x3 − 25x2 + 9 Choose the correct simplification of (4x − 3)(3x2 − 4x − 3).
12x3 + 25x2 + 9
12x3 − 25x2 − 9
12x3 + 25x2 − 9
12x3 − 25x2 + 9
Answer: [tex]12x^3-25x^2+9[/tex]
Step-by-step explanation:
Given expression: [tex](4x-3)(3x^2-4x-3)[/tex]
To simplify the above expression we apply the distributive property [ (b+c)a=ba+ca, where a,b, c be any expression] we get ,
[tex](4x-3)(3x^2-4x-3)\\\\=4x(3x^2-4x-3)-3(3x^2-4x-3)\\\\=12x^{1+2}-16x^{1+1}-12x-9x^2+12x+9.......\text{[by law of exponents]}\\\\=12x^{3}-16x^{2}-12x-9x^2+12x+9\\\\\text{Combing like terms, we get}\\\\=12x^3-(16+9)x^2-12x+12x+9\\\\=12x^3-25x^2+9[/tex]
Answer:
[tex]12x^{3}-25x^{2}+9[/tex]
Step-by-step explanation:
1. Write down the equation:
[tex](4x-3)(3x^{2}-4x-3)[/tex]
2. Multiply the first term on the left parenthesis by each term on the right parenthesis:
[tex]4x*3x^{2}=12x^{3}[/tex]
[tex]4x*(-4x)=-16x^{2}[/tex]
[tex]4x*(-3)=-12x[/tex]
3. Multiply the second term on the left parenthesis by each term on the right parenthesis:
[tex]-3*(3x^{2})=-9x^{2}[/tex]
[tex]-3*(-4x)=12x[/tex]
[tex]-3*(-3)=9[/tex]
4. Add up all the terms:
[tex]12x^{3}-16x^{2}-12x-9x^{2}+12x+9[/tex]
Simplify:
[tex]12x^{3}-25x^{2}+9[/tex]
simplify 7j-6k-5j+4k which explanation please:)
Bruce reads 3fourths hour each night.how long will he read in 4 nights
the graph shows the changes in population of black bears in rural michigan during a single year. competition for food among the black bear population was most likely the greatest during the
Answer:
C)
late spring.
Step-by-step explanation:
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Find the simple interest to the nearest cent for each principal, interest rate, and time. $1,200, 3.9%, 8 months.
How do you make 1 3/4 an improper fraction?
Does a plane have a definite beginning and end?
In mathematics, a plane is a two-dimensional surface with no definite beginning or end, extending infinitely in all directions. The properties of a plane, such as the loss of the usual 1/² dependence, are abstract and not physically tangible. Examples of motion, like an airplane passenger's movement or the effect of wind on a plane's trajectory, can help visualize concepts related to planes.
Explanation:When considering the concept of a plane in mathematics, it is important to understand its properties. A plane is a flat, two-dimensional surface that extends infinitely in all directions. It does not have a definite beginning or end, meaning there is no bounded border that marks where it starts or stops. This idea can be difficult to conceptualize because it is abstract and not something we encounter in the physical world. In terms of geometry, we often approach problems involving planes by considering a portion of the plane that is relevant to the problem. For example, the concept of an infinite plane becomes intriguing as it affects the mathematical properties, such as the loss of the usual 1/² dependence encountered in finite plane calculations. To illustrate motion in a plane, one might analyze the average velocity of an object, such as an airplane passenger moving from the front to the back of an airplane or the influence of wind on a plane's trajectory relative to the ground. These scenarios involve physical planes and motions, but they help to visualize the movements within the mathematical context of planes.
What is the value of the expression when a = 6, b = 4,and c = 8?
2a/3b−c
A. 1
B. 3
C. 8
D. 12
A traffic light near a museum is green for 30 seconds, yellow for 5 seconds, and red for 15 seconds.
If 8 vehicles approach the signal, the probability that 3 of them are stopped by the red light is
If 8 vehicles approach the signal, the probability that 3 of them are stopped by the red light is:
0.25412184
Step-by-step explanation:Here we need to use the binomial theorem.
i.e. the probability of k successes out of total n experiments is calculated by the formula:
[tex]P(X=k)=n_C_kp^k(1-p)^{n-k}[/tex]
where p is the probability of successes.
Here we have p=Probability that signal is red.
i.e. p=15/50=3/10=0.3
Hence, 1-p=0.7
Also we have: n=8
and k=3
Hence,
[tex]P(X=3)=8_C_3\times (0.3)^3(0.7)^{8-3}\\\\\\P(X=3)=\dfrac{8!}{3!\times (8-3)!}\times (0.3)^3\times (0.7)^5\\\\\\P(X=3)=\dfrac{8!}{3!\times 5!}\times 0.00453789\\\\\\P(X=3)=0.25412184[/tex]
Hence, the probability is:
0.25412184
what is the answer to 4m+7=-3m+49
What is 60% of 33...................................................?
To find 60% of 33, first write 60% as a decimal by moving the decimal point two places to the left to get .60.
Next, the word "of" means multiply, so we are are going to multiply.
(.60) (33) = 19.8
Therefore, 60% of 33 is 19.8.
Ms. Purdy bought coffee and orange juice for her coworkers in her office.She bought X cups of coffee at $2 per cup and Y cups of orange juice at $1.50 per cup. Altogether she spent $30. Interpret the X- and the Y- Intercepts
Final answer:
The X-intercept of the equation 2X + 1.5Y = 30 represents the maximum number of cups of coffee that can be bought with $30 if no orange juice is purchased (15 cups), and the Y-intercept represents the maximum number of orange juice cups that can be bought with $30 if no coffee is purchased (20 cups).
Explanation:
When Ms. Purdy purchased coffee and orange juice for her coworkers, she created a budget constraint based on the respective prices and her total spending. With X representing the number of cups of coffee purchased at $2 each and Y representing the cups of orange juice purchased at $1.50 each, the equation for her total expenditure is 2X + 1.5Y = 30.
The X-intercept occurs when no orange juice is purchased (Y=0), and the total budget is spent on coffee.
This can be calculated by setting Y to 0 in the equation, resulting in X = 15.
The Y-intercept occurs when no coffee is purchased (X=0), which can be found by setting X to 0, leading to Y = 20.
Thus, the X-intercept represents the maximum number of cups of coffee that can be purchased with the $30 budget if no orange juice is bought, while the Y-intercept shows the maximum number of cups of orange juice that could be purchased with the same budget if no coffee is bought.
A furniture maker is building a bookshelf she needs to cut rectangular pieces of wood to a length of 5/12 foot and a width of 2/3 foot what is the area of a piece of wood that size
The area of a piece of wood with a length of [tex]\( \frac{5}{12} \)[/tex] foot and a width of [tex]\( \frac{2}{3} \)[/tex] foot is [tex]\( \frac{5}{18} \)[/tex] square feet.
To find the area of a rectangular piece of wood with a length of [tex]\( \frac{5}{12} \)[/tex] foot and a width of [tex]\( \frac{2}{3} \)[/tex] foot, we use the formula for the area of a rectangle
[tex]\[ \text{Area} = \text{length} \times \text{width} \][/tex]
Given that the length is [tex]\( \frac{5}{12} \)[/tex] foot and the width is [tex]\( \frac{2}{3} \)[/tex] foot, we plug these values into the formula:
[tex]\[ \text{Area} = \frac{5}{12} \times \frac{2}{3} \][/tex]
To multiply fractions, we multiply the numerators together and the denominators together:
[tex]\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \[ \text{Area} = \frac{5 \times 2}{12 \times 3} \]\[ \text{Area} = \frac{10}{36} \][/tex]
To simplify the fraction, we can divide both the numerator and the denominator by their greatest common divisor, which is 2:
[tex]\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \[ \text{Area} = \frac{10 \div 2}{36 \div 2} \]\[ \text{Area} = \frac{5}{18} \][/tex]
So, the area of a piece of wood with a length of [tex]\( \frac{5}{12} \)[/tex] foot and a width of [tex]\( \frac{2}{3} \)[/tex] foot is [tex]\( \frac{5}{18} \)[/tex] square feet.
Five years ago, William bought a twelve-room apartment complex for $340,000, and he plans to sell it today. The real estate market caused William’s complex to increase in value by 1.8% every year. William charges $525 per month to rent a room, and pays $36,500 in building upkeep every year. If William has kept all of his apartments continually rented out since he bought the building, to the nearest hundred dollars, how much profit will he realize once he sells it?
a.
$195,500
b.
$227,200
c.
$226,100
d.
$245,500
Answer:
THE ANSWER IS B ON EGDE
Step-by-step explanation:
Answer:
Edging b
Step-by-step explanation:
Kevin sold 2 unicycles and 1 bicycle for a total of $110. Greg sold 4 unicycles and 3 bicycles for a total cost of $268. What is the cost of 1 bicycle?
Answer
$27
$31
$48
$79
Kevin sold 2 unicycles and 1 bicycle for a total of $110. Greg sold 4 unicycles and 3 bicycles for a total cost of $268. What is the cost of 1 bicycle?
Answer
$27
$31
$48
$79
The cost of 1 bicycle is $48 by using the system of equations.
What are word problems?Word problems are a mathematical interpretation by using variables, numbers, and arithmetic operations to solve real-life problems.
From the given information:
kevin: 2U + 3B = 110 --- (1)Greg: 4U + 3B =268 ---- (2)We have a system of equations, and we can solve for the cost of1 bicycle
Using the Elimination method:
4U + 3B = 268
-2U + 3B = 110
2U + 0 = 158
U = 158/2
U = 79
The cost of 1 bicycle = 4(U) - 268
= 4(79) - 268
= 316 - 268
= $48
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Answer:
$48
Step-by-step explanation:
Got it right on flvs
Find the area of a rectangular garden box if the length is square root of 6ft. and the width is square root of 21 ft. Write the answer in simplest radical form.
2. There is a threshold on a person's weight that tells doctors when a person is at a greater risk of death. In men, ages 40 - 49, that threshold weight is represented by h=12.3 squared 3 square root of T, where h is height in inches and T is the threshold weight. If a doctor told a 43 year old man that his threshold weight was 218 lbs what would that man's height be (in the form of feet -inches: Ex: 5 ft 9 in)?
Suppose you went to a carnival. The price to get in was $6, and you paid $0.50 to get on each ride. If you went to the carnival and rode 11 rides, how much did you spend?
The total money that would be spent for 11 rides in the carnival be $11.5
As mentioned in the question, the price to get in was $6, and you paid $0.50 to get on each ride.
What is simplification?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,
Let the total money paid for 11 rides,
= 0.5 × 11 = $5.5
Total money spent on the carnival,
= 6 + 5.5 = $11.5
Thus, the total money that would be spent for 11 rides in the carnival be $11.5.
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Given the function, f(x)=[square root] x+3-2 , calculate the average rate of change between x=6 and x=13.
Answer:
Average rate for the given function is 1 / 7
Step-by-step explanation:
The average exchange rate corresponds to the ratio between the variation of the function and the variation of the variable. That is to say,
Average rate = [f (x2) - f (x1)] / (x2 -x1). Since x1 = 6 and x2 = 13, you have:
f (x1) = f (6) = sqrt (6 + 3) - 2 = 3 - 2 = 1
f (x2) = f (13) = sqrt (13 + 3) - 2 = 4 - 2 = 2
In this way,
Average rate = (2 -1) / (13 - 6) = 1/7
factorise 12y+16y
need help with maths homework
Find the area of the striped sector if ∠ A = 45° and the circle has a radius of 10 inches.
A)25π
B)5π over 4
C)5π over 2
D)25π over 2 ...?
Answer: D) 25π
Step-by-step explanation:
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The temperature was -3 c last night. it is now -4
c. what was the change in temperature?
The measure of two sides of a triangle are 3.1 feet and 4.6 feet. What is the LEAST possible measure to the nearest tenth for the third side?
a- 1.6
b- 4.6
c- 7.5
d- 8 ...?
expand 4(x+3)+6(x+2)
jeremy mowed several lawns to earn money for camp. after he paid $17 for gas, he had $75 leftover to pay towards camp. write and solve and solve an equation to find how much money jeremy earned mowing lawns.
To find the total amount Jeremy earned from mowing lawns, we set up the equation x - $17 = $75 where x is the total earnings. Solving the equation, we find that Jeremy earned a total of $92.
The amount of money Jeremy earned mowing lawns can be found by setting up a simple algebraic equation. We know that after paying $17 for gas, he had $75 leftover for camp. Therefore, we can write the equation as:
Total Earnings - Gas Cost = Money for Camp
Let x represent the total amount Jeremy earned. The equation will then be:
x - 17 = 75
Now, we solve for x:
x = 75 + 17
x = 92
Jeremy earned a total of $92 from mowing lawns.
How to solve inequaities?
Based on the figure, Jordan says that 2/3 RW=RU. Kendra disagrees. Is either of them correct? ...?
What is the answer for -0.04 times -0.1?
if f(x)={(3,5),(2,4),(1,7)} and g(x)=square root(x-3) what do i do to determine (f+g)(1) ...?
The distance from the library to the park is 0.7 kilometers how much meters is this
a line segment can grow from which of the following ?
a. zero dimensional objects
b.one dimensional objects
c three dimensional objects ?
...?
In mathematics, a line segment can grow from a) zero-dimensional points or b) one-dimensional line segments but cannot grow from a three-dimensional object due to differences in properties such as volume.
Explanation:In the field of mathematics, a line segment can grow from a zero-dimensional point and a one-dimensional line segment. The process of a line segment growing from a point involves extending out in a certain direction from the zero-dimensional point. When we say a line segment can grow from a one-dimensional object, it means an existing line segment can be extended to become a longer line segment.
A line segment cannot 'grow' from a three-dimensional object because a line segment is a one-dimensional entity, and dimensional objects have 'volume,' a property which a line segment does not possess.
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