Answers
Answer:
see explanation
Step-by-step explanation:
the mistake is that a zero should be inserted to indicate the x - term
the standard form of a polynomial of degree 3 is
ax³ + bx² + cx + d
given
[tex]\frac{3m^3-2m^2-150}{m-4}[/tex]
there is no m- term in the numerator so a zero has to be inserted in its place, that is
4 | 3 - 2 0 - 150
↓ 12 40 160
---------------------------
3 10 40 10
Related Questions
Y-2=1/3(x+6) write in standard form
Answers
Answer:
2x+3y = -15
Step-by-step explanation:
Kyle buys last years best selling hardcover for $19.50 . This is with a 25% discount from the original price. What was the original price of the novel ,
Use variable x to set up an equation to solve the given problem. DONT TAKE STEPS TO SOLVE
Answers
The answer to your problem is $26
Use the number line to explain why 2 is 10 times the value of 2.0
Answers
on the number line, 2.0 is to the right of 2, and multiplying 2.0 by 10 moves it 10 times as far to the right as 2.0 is from 2. This is why 2 is 10 times the value of 2.0.
What is the number line?
The number line is a visual representation of the set of all real numbers, which are the numbers that can represent any value on the continuous number scale, including fractions and decimals. On the number line, each point corresponds to a specific real number.
The number 2 is represented by a point on the number line, as is the number 2.0. These two numbers are different because 2.0 is a decimal number, while 2 is a whole number.
2 is 10 times the value of 2.0 if you multiply 2.0 by 10. This is because multiplying a number by 10 shifts its decimal point one place to the left, which increases its value by a factor of 10. For example, if you multiply 2.0 by 10, you get 20.0, which is 10 times the value of 2.0.
Hence, on the number line, 2.0 is to the right of 2, and multiplying 2.0 by 10 moves it 10 times as far to the right as 2.0 is from 2. This is why 2 is 10 times the value of 2.0.
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Hannah wants to have $ 5500 to help pay for a new deck in 10 years. If she wants to put her money into an account earning 5.5% interest compounded continuously, how much should she invest now, so that she will have $ 5500 in 10 years?
Payment amount =
Answers
[tex]~~~~~~ \textit{Continuously Compounding Interest Earned Amount} \\\\ A=Pe^{rt}\qquad \begin{cases} A=\textit{accumulated amount}\dotfill & \$5500\\ P=\textit{original amount deposited}\\ r=rate\to 5.5\%\to \frac{5.5}{100}\dotfill &0.055\\ t=years\dotfill &10 \end{cases} \\\\\\ 5500=Pe^{0.055\cdot 10} \implies \cfrac{5500}{e^{0.055\cdot 10}}=P\implies 3173.22\approx P[/tex]
Need help with this question.
580 lb to kg
(Round to the nearest hundredth as needed)
Answers
Answer:
264 kg.
Step-by-step explanation:
To convert from pounds to kilograms, divide the number of pounds by 2.20462. In this case, we have:
580 lb / 2.20462 = 263.74 kg
So, rounded to the nearest hundredth, the answer is 264 kg.
Use quadratic regression to find a model for the following data set. (Round the terms to four decimal places.) f(x)=___________________________________x 1 3 5 6 8f(x) 2.1 7.4 28.4 34.9 64.4
Answers
Use quadratic regression a model for the following data set is [tex]y=1.96 x^2-5.2 x+5.33[/tex].
What is quadratic regression?
A statistical method called quadratic regression is used to identify the parabola equation that best fits a given collection of data. Finding the equation of the straight line that most closely fits a collection of data is the goal of this sort of regression, which is an extension of simple linear regression.
The equation of the parabola that best fits a collection of data is the process of a quadratic regression. As a consequence, we arrive at the equation y=ax2+bx+c where a≠0. The least squares approach is the most effective way to manually locate this equation.
[tex]$$\begin{aligned}& x=1, f(x)=2.1 \\& x=3 \quad f(x)=7.4 \\& x=5 \quad f(x)=20 \cdot 4 \\& y=a x^2+b x+c \\& \text { Print (1) } \\& 2 \cdot 1=a(1)^2+b \times 1+c \\& 2.1=a+b+c \\& \text { Point(2) } \\& 7.4=a(3)^2+b \times 3+c \\& 7.4=9 a+3 b+c \\& \text { Poin (3) } \\& 28.4=a(5)^2+b \times 5+c \\& 28 \cdot 4=25 a+5 b+c \\& \text { by solving (4) (5) (6) } \\& a=1.96 \\& b=-5.2 \\& c=5.33 \\&\end{aligned}$$[/tex]
so, quadratic equation -
[tex]y=1.96 x^2-5.2 x+5.33[/tex]
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Find the equation of the line passing through (1, 5) and parallel to y = 3x – 1.
(20 POINTS!!!!!!!! SHOW YOUR WORK PLEASE!!!!)
Answers
Answer:
y = 3x - 1
y = 3x + 2
Step-by-step explanation:
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Jamie is a salesperson in a jewelry store and earns $150 per week, plus 15% of her weekly sales. If Jamie makes $229.50 in one week, what are her sales for that week
Answers
The sales Jamie made for the week is $530
How to find Jamie sales for the weekinformation from the problem
Jamie is a salesperson in a jewelry store and earns $150 per week, plus 15% of her weekly sales
Jamie makes $229.50 in one week, her sales for that week = ?
The question is a percentage problem, percentage deals with a fraction hundred and used as follows
15% = 15 percent
= 15 / 100
= 0.15
Let Jamie's sales for the week be x
total earning = 150 + 0.15x
229.50 = 150 + 0.15x
229.50 - 150 = 0.15x
0.15x = 79.5
x = 79.5 / 0.15
x = 530
The sales for the week is $530
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In which direction does the parabola defined by the equation y = 4x + 4 open?
Answers
Hence, given parabola is defined in Negative Y direction. -Y direction
Which of the several equation types are there?Either identity equations or conditional equations classify an equation. Every value of the variables has a corresponding identity. Only particular values of the variables are valid for a conditional equation. The equals symbol ("="), which divides two expressions, denotes an equation.
Here,
Given : y = 4[tex]x^{2}[/tex] + 4
Thus,
General Guidance The answer provided below has been developed in a clear step by step manner.
Step: 1 Given parabola equation is,
=> y = -4[tex]x^{2}[/tex]+4
=>y-4=-4x2 -4x2 =
=> (y-4) == y-4 = 4
This is the equation of a downward parabola. Hence this parabola is defined in negative Y direction.
Explanation: Upward parabola is given by [tex]x^{2}[/tex] = 4AY, And downward parabola is [tex]x^{2}[/tex] = - 4Ay
Hence, given parabola is defined in Negative Y direction. -Y direction
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PLEASE HURRY ASAP I NEED TO FINISH!!
Pete was building a doghouse for his dog, Chip. He made the door 32 inches tall. The height of the door was four times the height of the window in the doghouse.
Write an equation to determine the height of the window.
A. 32 equals h over 4
B. 32 = 4h
C. 32 = 4 + h
D. 32 = h − 4
Answers
Answer:
Step-by-step explanation:
B
Let f(x) be a polynomial with a leading coefficient of 6 and a constant term of 5. Which of the following cannot be true?
Answers
====================================================
Reason:
The leading coefficient is 6, which is the coefficient of the leading term (aka the first term). The constant is 5, which is the last term.
Here are some examples of what f(x) could be.
[tex]f(\text{x}) = 6\text{x}^2+\text{x}+5\\\\f(\text{x}) = 6\text{x}^3+2\text{x}^2-7\text{x}+5\\\\f(\text{x}) = 6\text{x}^5+4\text{x}^3-81\text{x}^2+5[/tex]
The middle terms don't matter and neither does the exponent on the leading term.
So this is what the general template would look like
[tex]f(\text{x}) = 6\text{x}^{n}+\ldots+5\\\\[/tex]
where n is a positive integer.
If we were to plug in x = 0, then all of the terms involving x go to zero. They cancel out. The only thing left standing would be the "5" at the very end.
So,
[tex]f(\text{x}) = 6\text{x}^{n}+\ldots+5\\\\f(0) = 6*0^{n}+\ldots+5\\\\f(0) = 0+0+\ldots+0+0+5\\\\f(0) = 5\\\\[/tex]
In short, the constant value is the y intercept of the polynomial curve. It allows us to quickly spot it without having to do much (or any) math.
This is why choice B is a false statement.
The other answer choices cannot be proven true or false since we don't have enough information about this particular function.
PLEASE ANSWER CLEARLY WITH THE EQUATION
A group of college students are going to a lake house for the weekend and plan on renting small cars and large cars to make the trip. Each small car can hold 5 people and each large car can hold 7 people. The students rented 2 more small cars than large cars, which altogether can hold 46 people. Write a system of equations that could be used to determine the number of small cars rented and the number of large cars rented. Define the variables that you use to write the system.
Answers
There were 6.75 small cars rented and 1.75 large cars total were rented.
How to find the Equation?Let x represent the quantity of little cars rented, and y represent the quantity of big cars rented.
The system of equations below is based on the statements that have been provided:
5x + 8y = 51
x = y + 5
If we replace (1) with the value of x from (2), we get
5(y+5) + 7y = 46
5(y) + 5(5) + 7y = 46
5y + 25 + 7y = 46
12y = 46 -25
12y = 21
y = 1.75
Adding the value of y to (2) yields x = 1.75 + 5 = 6.75.
There were 6.75 small cars rented.
1.75 large cars total were rented.
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"Match the expression and its value to the value of x that gives the expression its value by filling in the box in the correct column.
Evaluate the expression 4 n-5 r for n=-2 and r=3
(A) 23
(C) 7
(B) -7
(D) -23
The surface area for a rectangular prism with a square base is given the expression 2 s²+4 s h, where s is the side length of the square h is the height of the prism. What is the surface area in square feet rectangular prism when s=4 feet and h=6feet?"
Answers
Value of the expression 4n - 5r when n = -2 and r = 3 is -23.
The surface area in square feet rectangular prism when s=4 feet and h=6feet is 128 square feet.
What do you mean by algebraic expression?
The concept of algebraic expressions is the use of letters or alphabets to represent numbers without providing their precise values. We learned how to express an unknown value using letters like x, y, and z in the fundamentals of algebra. Here, we refer to these letters as variables. Variables and constants can both be used in an algebraic expression. A coefficient is any value that is added before a variable and then multiplied by it.
Given expression:
4n - 5r
When n = -2 and r = 3
The value of the expression become,
4(-2) - 5(3)
= -8 - 15
= -23
Hence, option D is correct.
Now, it is given that the surface area for a rectangular prism with a square base is given by the expression 2s²+4sh, where s is the side length of the square h is the height of the prism.
The surface area in square feet rectangular prism when s=4 feet and h=6feet is
2[tex](4)^{2}[/tex] + 4(4)(6)
= 2(16) + 96
= 32 + 96
= 128 square feet
therefore, the surface area in square feet rectangular prism when s=4 feet and h=6feet is 128 square feet.
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Write and graph the inverse of y=-x²+9
Write the inverse of y=-x²+9
y=
(Simplify your answer. Use a comma to separate answers as needed.)
Answers
The inverse of y=-x²+9 is [tex]x=\sqrt{9-y}[/tex]
What is Inverse of a Function ?
A function takes in values, applies specific operations to them, and produces an output. The inverse function acts, agrees with the outcome, and returns to the initial function.
The output of a function is returned by the inverse function, which also returns the initial value.
If f and g are inverse functions, then f(g(x)) = g(f(x)) = x. The initial value is fetched via a function that is its inverse.
For instance, f(x) = 2x + 5 = y
Therefore, the inverse of f is g(y) = (y-5)/2 = x. (x).
The relationship that results from swapping out an independent variable with a variable that depends on a given equation; the inverse may or may not be a function.
A function is said to be an inverse function if its own inverse is represented by the symbol f-1.
[tex]x^2=9-y\\\\\x=(9-y)^\frac{1}{2}\\\\ x=\sqrt{9-y}[/tex] is the inverse of y=-x²+9
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Yaritza made 25% of her free throws over the season. If she shot 160 free throws, how
many did she make?
Divide/scale down to solve for the missing percent.
attempts
percent
Submit Answer
25
BB
A
160
100
0
attempt 1 out of 2 by
Answers
Yaritza made 25% of her free throws over the season. If she shot 160 free throws, 40 many did she make. Using the concept of percentage.
What is Percentage?When a fraction of a whole is represented as a number between 0 and 100, it is called a percentage. All of something is 100 percent, half of it is 50 percent, and none of it is 0%. To calculate a percentage, multiply the result by 100 after dividing the part of the whole by the entire.
When the denominator is 100, percentages are really just fractions. The percent sign (%) is placed next to a number to indicate that it is a percentage. For instance, you would have received a 75% on the examination if you correctly answered 75 out of 100 questions (75/100).
An easy way to solve this problem is by first finding 50%.
To find 50% of 160
= 160 × (50/100)
= 80
So, 160.0 becomes 80.
Then, because 25% is half of 50% to find the answer divide 80 by 2.
Therefore, Yaritza made 40 of her 160 free throws.
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Question 2 of 15
Is this relation a function? Justify your answer.
Answers
the only criteria, really, to be a function is to assign exactly 1 y-value to every valid x-value. not 2 or 0 y-values.
we see here, x = 2 has one assigned y-value : y = 3.
x = 4 has y = 9.
x = 6 has y = 10.
x = 9 has y = 5.
there is no indication that there are more valid x-values.
each x-value used has exactly 1 y-value.
so, the criteria is fulfilled. it is a function.
A barn is in the shape of a pentagonal prism with the dimensions shown. The volume of the barn is 9072 cubic feet. Find the dimensions of each half of the roof.
(Help I cannot solve this-)
Answers
According to the given information the dimensions of each of the roof is 12 feet.
Mathematical concepts include volume.The amount the three-dimensional space that's also occupied is measured in volume. To define it quantitatively, a variety of imperial either Us or metric system, in addition to SI-derived units such as the cubic meter but instead liter), are widely utilized. A symbiotic relationship exists between volume and length (cubed).
What does mathematic volume mean?Mathematics refers to volume as the measurement of internal space in a specific 3D object. A fish tank, for instance, is three feet long, one foot broad, and two feet high. Expanding the length, that width, and the height results in the volume, which is equal to six when 3x1x2 is used. Consequently, the fish tank can hold 6 cubic feet of water.
Briefing:According to the given picture
a = 18 ft,
b = 8ft,
c = 36ft and h = x
[tex]\begin{matrix}V=a\times b\times c+\frac{a\times h}{2}\times c\\\9072=18\times8\times36+\frac{18\times x}{2}\times36\\9072=5184+324\times x\\\x=12\\\end{matrix}[/tex]
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Answer: 15
Step-by-step explanation: I submitted 12 and that was wrong, answer is 15
what is the rate of change of the function y=7/4x-2
Answers
Answer:
7/4
Step-by-step explanation:
The rate of change is the slope or the change in y over the change in x.
7/4x
That is the rate of change ( Slope )
When Ibuprofen is given for fever to children 6 months of age up to 2 years, the usual dose is 5 milligrams (mg) per kilogram (kg) of body weight when the fever is under 102.5 degrees Fahrenheit. How much medicine would be usual dose for a 18 month old weighing 18 pounds? milligrams
Answers
Then convert 18 pounds into kg
1 pound = 0.454 kg
18 pounds = 18 • 0.454 = 8.172 kg
Now how many mg of medication for 8.172kg?
5mg/1 kg = x mg/8.172
Cross multiply
5 • 8.172 = 40.86 mg is the dose
Please LMK if you have questions
Rajani is carrying 9.725 kg of vegetables and Mamta is carrying 8.50 kg of vegetables. Who is carrying more and how much?
Answers
To find out how much more vegetables Rajini is carrying, you have to SUBTRACT Mamta’s amount from it.
So: 9725 g - 8500 g = 1025 g
and 1025 g = 1.025 kg
Answer: Rajini is carrying 1.025 kg more vegetables than Mamta.
Answer:
Step-by-step explanation:
let Rajani be carrying r = 9.725kg
let Mamata be carrying m = 8.500kg
difference = r - m = 9.725 - 8.500 = 1.225kg
hence Rajani is carrying 1.225kg more than Mamata
10 points cause it not thay hard for yall
Answers
Answer:
6,63,9 and 90
Step-by-step explanation:
The slope of the table is 9.
36/4 is equal to 9.
54/9 = 6
7*9=63
81/9=9
10*9=90
K
Factor the trinomial.
b²-13b+40
Answers
Answer: (b-8)(b-5)
Step-by-step explanation:
Find the multiple of 40 that adds up to -13 while being mutiplied by multiples of b^2
1*-5=-5
1*-8=-8
-8-5=13
-8*-5=40
(b-8)(b-5)
someone please answer this question and give the right answer please!
Answers
The area of the rectangle is 4 (7-2) unit².
What is rectangular shape?A rectangle is a quadrilateral with four equal vertices and parallel sides of equal length.
Given, the sides of the rectangle are 4 and 7.
And in the diagram,
The rectangle overshadowed by the rectangle having the sides 4 and 2.
So, the sides of the shaded rectangle are 4 and (7-2).
So, the area of the rectangle
= length x width
= 4 x (7-2)
= 4 (7-2)
Therefore, the area is 4 (7-2) unit².
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A doctor has 2 doses of flu protection vaccine left. He has 5 women and 8 men who want the medication. If the
names of 2 of these people are selected at random, determine the probability that 2 men's names are selected
The problem is to be done without replacement. Use combinations to determine the probability.
Answers
The required probability for the 2 men's names are selected is 0.358.
Given that,
A doctor has 2 doses of flu protection vaccine left. He has 5 women and 8 men who want the medication.
The names of 2 of these people are selected at random, determining the probability that 2 men's names are selected is to be determined,
Probability can be defined as the ratio of favorable outcomes to the total number of events.
Here,
The number of ways to select 2 men = 8C2 = 28
The number of ways to select 2 people from 13 = 13C2 = 78
The probability of the 2 men's names being selected = 28 / 78 = 0.358
Thus, the required probability for the 2 men's names are selected is 0.358.
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Use the Distributive property to solve the equation 2(x-3)+3=6x-5
Answers
Answer:
x = -2
Step-by-step explanation:
Isolate the variable by dividing each side b factors that don't contain the variable.
A large university accepts 70% of the students who apply. Of the students university, 25% actually enroll. If 20,000 students apply, how many enroll?
Answers
Answer:
350 enrolled
Step-by-step explanation:
.7 x 20000 = 1400
.25 x 1400 = 350
Answer:
3500
Step-by-step explanation:
20000 * 0.70 = 14000
14000 * 0.25 = 3500
Find the solution to the following system by substitution
y=2 x-1
y=5 x-7
A. (2,3)
B. (6/7), (5/7)
C. (-2,-5)
D. (1,1)
Answers
the correct answer is a=(2,3)
A DVD costs $18.99 plus 6.5% sales tax. What is the total cost if the DVD?
Answers
Answer:
Step-by-step explanation:
To determine the total cost of the DVD, you need to calculate the amount of sales tax and add it to the cost of the DVD.
The sales tax is equal to the cost of the DVD multiplied by the sales tax rate:
Sales tax = $18.99 * 6.5% = $1.23
To determine the total cost, you need to add the cost of the DVD to the sales tax:
Total cost = $18.99 + $1.23 = $20.22
So the total cost of the DVD is $20.22.
Fun fact-
Washington Sales Tax. State Sales Tax: 6.5%
The value of a car can be represented by the equation V = 16,000(0.93)t, where V is the value of the car and t is the age of the car in years. What is the meaning of the number 0.93 in the equation?
As the age of the car increases by 1 year, the value of the car decreases by $ 93.
As the age of the car increases by 1 year, the value of the car decreases by 7%.
As the age of the car increases by 1 year, the value of the car decreases by $ 7.
As the age of the car increases by 1 year, the value of the car decreases by 93%.
Answers
As the age of the car increases by 1 year, the value of the car decreases by 7%. The correct option is B.
What is an expression?The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
Given that the value of a car can be represented by the equation V = 16,000(0.93)t, where V is the value of the car and t is the age of the car in years.
As the age of the car increases by 1 year, the value of the car decreases by 7%. The correct option is B.
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if n is an integer,what is the sum of the next three consecutive even integers greater than 2n
Answers
The sum of the next three consecutive even integers greater than 2n, where n is an integer, is: Sum = 6n + 12
What is the sum of the next three consecutive even integers?We know that n is an integer number, we want to find the sum of the next three consecutive even integers greater than 2n2n is already an even integer, and consecutive even integers are given by adding 2 to the smaller one.
Then the 3 consecutive integers larger than 2n are:2n + 22n + 42n + 6
The sum of these 3 gives:(2n + 2) + (2n + 4) + (2n + 6)3*(2n) + 2 + 4 + 66n + 12
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