Answer:
f(x) = x² - 5x - 24
Step-by-step explanation:
Step 1: Define
Roots/zeros = 8, -3
Step 2: Rewrite
x = 8, -3
Step 3: Write quadratic function
Set zeros into factored binomials: (x + 3)(x - 8)Expand: x² - 8x + 3x - 24Combine like terms: x² - 5x - 24Answer:
f(x) = x^2 - 5x - 24.
Step-by-step explanation:
In factor form that would be:
f(x) = (x - 8)(x + 3)
f(x) = x(x + 3) - 8(x + 3)
= x^2 + 3x - 8x - 24
f(x) = x^2 - 5x - 24.
find the equation of a line perpendicular to 2x + 2y= -10 that passes through the point (6,2)
Answer: The equation of a line perpendicular to 2x + 2y = - 10 that passes through the point (6, 2) is y = x - 4
.
Five more than the product of a number and 8 equals 9.
Use the variable b for the unknown number.
The unknown number, represented by the variable b, is 1/2, which satisfies the equation "Five more than the product of a number and 8 equals 9."
To solve the equation "Five more than the product of a number and 8 equals 9" using the variable b for the unknown number, we can express this statement as an equation:
8b + 5 = 9
To solve for b, we need to isolate the variable on one side of the equation. Let's simplify the equation step by step:
Subtract 5 from both sides to get rid of the constant term:
8b + 5 - 5 = 9 - 5
8b = 4
Divide both sides of the equation by 8 to solve for b:
8b/8 = 4/8
b = 1/2
Therefore, the solution to the equation is b = 1/2. This means that when we substitute b = 1/2 into the equation, the equation will hold true:
8(1/2) + 5 = 9
4 + 5 = 9
Both sides of the equation are equal, confirming that b = 1/2 is the solution.
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Determine whether the variable is qualitative or quantitative. Explain your reasoning. favorite city
Answer:
Qualitative variable.
See explanation below.
Step-by-step explanation:
In research we have two types of variables: the quantitative and the qualitative variables.
A quantitative variable is a variable that is a number, for example: age, height, number of years of school. These type of variables are only numbers.A qualitative variable is a variable that is not a number but rather a category of data. For example: your name, your gender, your favorite food. All these examples are not numbers but categories.In this example we are asked about our favorite city, we can see that the possible answers for this question are: Dallas, Seattle, Washington, Paris, etc.. these are not numbers so therefore this is an example of qualitative variable.
Xavier is building a triangular fence the length of the second side will be 1 foot longer than the length of the first side the length of the third side will be 1 foot longer than the length of the second side the total perimeter of the triangle will be 63 feet what will the length of the third side B
Answer:
22
Step-by-step explanation:
Prove the following using mathematical induction.
1. The sum of the cubes of the first n integers:
a) Basis Step
b) Inductive Step
I assume the claim is being made for integers \(n\ge1\), not just any integer.
Basis step: Let \(n=1\). Then
\(\displaystyle \sum_{i=1}^1 i^3 = 1^3 = 1\)
\(\dfrac{1^2(1+1)^2}4 = \dfrac{2^2}4 = 1\)
so this case holds.
Inductive step: Assume
\(\displaystyle \sum_{i=1}^k i^3 = \frac{k^2 (k+1)^2}4\)
As a result, we want to show that
\(\displaystyle \sum_{i=1}^{k+1} i^3 = \frac{(k+1)^2 (k+2)^2}4\)
Now,
\(\displaystyle \sum_{i=1}^{k+1} i^3 = \sum_{i=1}^k i^3 + (k+1)^3 \\\\ ~~~~~~~~ = \frac{k^2(k+1)^2}4 + (k+1)^3 \\\\ ~~~~~~~~ = \frac{k^2(k+1)^2 + 4(k+1)^3}4 \\\\ ~~~~~~~~ = \frac{(k+1)^2 \bigg(k^2 + 4(k+1)\bigg)}4 \\\\ ~~~~~~~~ = \frac{(k+1)^2 (k^2 + 4k + 4)}4 \\\\ ~~~~~~~~ = \frac{(k+1)^2 (k+2)^2}4\)
QED
vince has 1/2 ton of gravel to spread equally in 8 square yards for his driveway how many tons of gravel will be spread in each square yard
Answer:
Is there any answer choices so I have some opions
Step-by-step explanation:
find the solution set:
(√(x+1)²)+3x=0
The solution set for the equation\((\sqrt(x+1)^{2} ) + 3x = 0\) is {x = -1/4, x = 1/2}.
To find the solution set for the equation (√(x+1)²) + 3x = 0, we can simplify the equation and solve for x.
First, let's simplify the equation:
\((\sqrt(x+1)^{2} ) + 3x = 0\)
Taking the square root of (x+1)² yields:
|x + 1| + 3x = 0
Now, we can split the equation into two cases based on the absolute value:
Case 1: (x + 1) + 3x = 0 (when x + 1 is positive)
Case 2: -(x + 1) + 3x = 0 (when x + 1 is negative)
Solving Case 1:
x + 1 + 3x = 0
4x + 1 = 0
4x = -1
x = -1/4
Solving Case 2:
-(x + 1) + 3x = 0
-x - 1 + 3x = 0
2x - 1 = 0
2x = 1
x = 1/2
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Pls help! Thank you so much and Happy early Valentines Day!
Does the equation xy + 6y = 9 define y as a function of x?
O Yes
O No
Answer:
no. a function doesnt contain an = sign
Step-by-step explanation:
Answer:
Yes, it is a function.
Explanation:
xy + 6y = 9
y(x + 6) = 9
y = 9/(x + 6)
It is a inverse variation function.
Where equation: xy = k ["k" is constant]
Each value of x corresponds to a single value of y.John bought new headphones originally listed for $ 80.99 . They are \(35\%)| off. Which equation can be used to find the amount John will save?
Answer:
$28.35
Step-by-step explanation:
The headphones are $80.99 and are 35% off. To find the amount he will save, change the 35% to a decimal by moving it two times to the left, which is 0.35. Multiply 80.99 and 0.35 to get 28.3465. Round to get $28.35.
What’s the correct answer for this question?
The circle with center (-1,1) is
(x - -1)² + (y - 1)² = r²
(x + 1)² + (y - 1)² = r²
where r is the unknown radius.
(4,2) is on the circle so
(4 + 1)² + (2 - 1)² = r²
So is (-5, -3)
(-5 + 1)² + (-3 - 1)² = r²
Those are equal so our answer is
Answer: A. (4 + 1)² + (2 - 1)² = (-5 + 1)² + (-3 - 1)²
Answer:
A.
Step-by-step explanation:
The equation of circle with center (-1,1) is
(x+1)+(x-1) = r²
Since r² is unknown, We'll find it out by distance formula by point (4,2)
r² = (4+1)²+(2-1)
For point (-5,-3) lying on the circle, it's distance should be equal to the above r²
But the distance isn't equal and
(4+1)²+(2-1)² ≠ (-5+1)²+(-3-1)² So Point (-5,-3) is not on the circle
Can someone help me pls
Answer: A=53.576 degrees
Step-by-step explanation:
Cos A= adjacent/hypt
Cos A= 19/32
Cos A= .59375
inverse of Cos A=.59375
A=53.576 degrees
Answer:
A = 53.58°
Step-by-step explanation:
cos A = 19/32
cos A = 0.5938
A = 53.58°
Solve the following system of linear equations by addition. Indicate whether the given system of linear equations has one solution, hasno solution, or has an infinite number of solutions. If the system has one solution, find the solution.- 2x + y = 7- 2x + y = -6
Answer:
Explanations:
Given the system of equations:
- 2x + y = 7 .................................... 1
- 2x + y = -6 .................................. 2
Subtract both equations from each other to have;
-2x-(-2x) + (y-y) = 7 - (-6)
0x = 7 + 6
0x = 13
Divide both sides by 0
0x/0 = 13/0
x = 13/0
x = ∞
This shows that the system of equations has no solution
find the value of y 18y+5
Answer:
y=13
Step-by-step explanation:
5. [0.5/1 Points] DETAILS PREVIOUS ANSWERS SALGTRIG4 7.3.112.
A rectangle is to be inscribed in a semicircle of radius 4 cm as shown in the following figure.
10
4 cm-
(a) Find the function that models the area of the rectangle.
A(0) = 16 sin (20)
Need Help? Read It
MY NOTES
4
ASK YOUR TEACHER
(b) Find the largest possible area for such an inscribed rectangle. [Hint: Use the fact that sin(u) achieves its maximum value at u=/2.]
16
cm²
(c) Find the dimensions of the inscribed rectangle with the largest possible area. (Round your answers to two decimal places.)
smaller dimension 2
x cm
larger dimension 25
x cm
PR.
The Area function \(A(x) = 2x * \sqrt(16 - x^2).\)
(a) For a rectangle inscribed in a semicircle of radius 4 cm, let half-length be x and height be y.
Therefore, the Area function \(A(x) = 2x * \sqrt(16 - x^2).\)
(b) Maximum area occurs when x = \(4 * sin(\pi/4), so A(4 * sin(\pi/4)) = 16 cm^2.\)
(c) Dimensions for the largest inscribed rectangle are smaller dimension (height) ≈ of 2.83 cm, a larger dimension (base) ≈ of 5.66 cm.
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Can you help me with this ?
This question is of a topic called subset that is a part of set theory.
statement 1 is true. statement 2 is true. statement 3 is false, statement 4 is true.
I assume the questioner has the basic understanding of set theory and what subsets are.
Statement 1st "{1,2,3,4,5} ⊄ {1,2,4}" is true because here not every element of set {1,2,3,4,5} is an element of set {1,2,4}.
Statement 2nd "{11, 13, 15} ⊂ { 11, 12, 13, 14, 15, 16, ... }" that is set {11, 13, 15} is a proper subset of set { 11, 12, 13, 14, 15, 16, ... } is true since every element of set {11, 13, 15} belongs to set { 11, 12, 13, 14, 15, 16, ... } also set
{11, 13, 15} is not equal to set { 11, 12, 13, 14, 15, 16, ... }.
statement 3rd "∅ ⊈ {d, f, g, n}" is false since ∅ = null set is the subset of every set.
statement 4th "{21, 22, 23, 26, 29} ⊆ {21, 22, 23, 26, 29}" is true both sets have same elements therefore are subsets of each other and hence both are also equal to each other.
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Which of the following angles are shown in the drawing?
The angle from the options given that is shown in the drawing is: D. <LIJ.
What is an Angle?An angle is a geometric figure that is formed by two rays that share the same endpoint, called the vertex. The rays are called the sides of the angle, and the endpoint is called the vertex.
In the drawing given, IJ and LI are two segments that have a common endpoint called vertex I.
Points L, I, and J forms an angle whose vertex is at I, as shown in the image given. Thus, the angle shown in the drawing is: D. ∠LIJ.
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Ryan is riding a bicycle whose wheels are 28 inches in diameter. If the wheels rotate at 130 rpm, find the angular speed in radians per second in which he is traveling.
The angular speed in radians per second in which he is traveling is 60.2pi inch/sec.
What is the relation of speed and distance?
Speed describes how accelerated something or somebody is moving. If you know the distance traveled and the time it took, we can calculate the average speed of an object.
The speed formula is speed = distance / time.
Given that;
The diameter of bicycle wheel= 28inches
Rpm of wheel = 130rpm
Now,
Angular speed ω = 2pi*N/60 radian per second.
=2*pi*130/60
=260pi/60
=4.3pi radian per second
Speed of bicycle V = r*ω
V=14*4.3pi
V=60.2pi inch/sec
Therefore, the angular speed of ryan by the data is 60.2pi inch/sec.
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Isaac is working two summer jobs, making $8 per hour walking dogs and making $16
per hour tutoring. In a given week, he can work a maximum of 8 total hours and must
earn no less than $80. If x represents the number of hours walking dogs and y
represents the number of hours tutoring, write and solve a system of inequalities
graphically and determine one possible solution.
Answer:
8 x 8 =64 + 16 x 8 = 128 =$192
Step-by-step explanation:
Stella is going to invest in an account paying an interest rate of 7% compounded
continuously. How much would Stella need to invest, to the nearest ten dollars, for
the value of the account to reach $1,650 in 9 years?
Answer:
$901.64
Step-by-step explanation:
Given data
rate= 7%
Final amount = $1650
time= 9 years
Let us apply the compound interest formula to solve for the Principal amount P
A=P(1+r)^t
substitute
1650=P(1+0.07)^9
1650=P(1.07)^9
1650=P1.84
Divide both sides by 1.84
P=1650/1.83
P=901.64
Hence she needs to invest $901.64
Answer:
880
Step-by-step explanation:
Find the greatest common factor of 12 and 32.
A) 9
B) 12
C) 6
D) 4
Answer:
4
Step-by-step explanation:
Answer:
12 = 2 × 2 × 3
32 = 2 × 2 × 2 × 2 × 2
Greater Common Factor = 2 × 2 = 4
Ali, Basti and Cian stand at three points A, B and C respectively. Suppose that the measure of angle ABC is 50 degrees , the measure of angle BAC is 60 degrees and Ali is exactly 150 ft away from Basti. Find the distance between Basti and Cian.
The distance between Basti and Cian is approximately 138.2 ft. Option D
To find the distance between Basti and Cian, we can use the Law of Sines, which relates the lengths of sides to the sines of their opposite angles in a triangle.
Let's label the points: A, B, and C. Ali is at point A, Basti is at point B, and Cian is at point C.
Given:
Angle ABC = 50 degrees (angle opposite side AC)
Angle BAC = 60 degrees (angle opposite side BC)
Ali is 150 ft away from Basti (side AB)
We want to find the distance between Basti and Cian, which is side BC.
Using the Law of Sines, we have:
BC/sin(50) = AB/sin(60)
Substituting the known values:
BC/sin(50) = 150/sin(60)
To find BC, we can rearrange the equation:
BC = (150/sin(60)) * sin(50)
Using a calculator to evaluate the expression:
BC ≈ 138.2 ft
Option D is correct.
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Is this correct or not?
If not please provide correct answer
Answer:
It is correct please I do not want yo sound rude can you give me brainliest answer.
Answer:
correct steps
Step-by-step explanation:
if asked to find angles in terms of the ratios, then don't forget to shift sin / cos / tan across the equal sign and change it to arc sin / cos / tan.
anser fast 2.3 x (−1.2)= what for 79 points
Step-by-step explanation:
2.3 * (-1.2)
= -2.76.
Hence the answer is -2.76.
Answer:
\(\Large \boxed{\sf -2.76}\)
Step-by-step explanation:
devide 255 in the ratio 3:7:7:10
Answer:5
Step-by-step explanation:
5098
Write the standard form of the equation of the circle with radius 8 and center (10,−7).
The equations that represent the circle having a with radius 8 and center (10,−7) are; (x - 10)² + (y + 7)² = 8²
What is the standard form of the equation of a circle?The standard form of the equation of a circle is (x - h)² + (y - k)² = r², where (h, k) is the center of the circle, and r is its radius.
We have given that circle having radius of 8 units. Thus, r = 8.
Since we know that circle having the center (10,−7).
Thus, the equation of the circle, with a radius of 8 units is;
(x - h)² + (y - k)² = r²
(x - 10)² + (y + 7)² = 8²
Thus, the equations that represent the circle having a with radius 8 and center (10,−7) are; (x - 10)² + (y + 7)² = 8²
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how many total ounces of chicken
Answer:
An average chicken breast weighs 174 g, or about 6 ounces (oz). But sizes vary from smaller cuts at around 4 oz, to larger ones at 8 to 10 oz. There's no right or wrong choice here. It really depends on what you're cooking and how much chicken you want.
Answer:
Step-by-step explanation:
For each value of u determine whether it is a solution to -2u-6<-20
Answer:
u > 7
Step-by-step explanation:
-2u -6 < -20 Add 6 to both sides
-2u - 6 + 6 < -20 + 6
-2u < -14 Divide both sides by -2. When you multiply or divide both sides by a negative number, you must flig the sign.
\(\frac{-2u}{-2}\) > \(\frac{-14}{-2}\)
u > 7
Helping in the name of Jesus.
The answer is:
u > 7
In-depth explanation:
You haven't told me what the values of u are, but I'll solve the equation for u.
Add 6 on each side:
\(\bf{-2u-6 < -20}\)
\(\bf{-2u < -14}\)
Divide each side by -1 and reverse the sign:
\(\bf{2u > 14}\)
Now divide each side by 2
\(\bf{u > 7}\)
How do you write 1.27 repeating 7 as a fraction?
A:1/1/5.
B:1/1/8
C:1/5/18
D:1/2/15
Answer:
B
Step-by-step explanation:
rewrite 1.27 in the calculater and math enter enter
Which fraction is represented by point A on the number line?
The fraction represented by point A, it is crucial to have information about the scale, intervals, and the relative position of point A on the number line.
With these details, you can calculate the fraction accurately.
Point A on the number line represents a fraction that requires additional information to determine its precise value.
I can provide you with a general approach to finding the fraction corresponding to a given point on the number line.
A number line represents a range of values, typically with a specific scale or interval.
The scale can be divided into equal parts, such as units or fractions.
To determine the fraction represented by point A, we need to know the scale and the position of point A relative to that scale.
Let's consider a number line that ranges from 0 to 1, with evenly spaced tick marks representing tenths.
If point A is located halfway between the tick marks representing 0.4 and 0.5, then it represents the fraction 0.45 (or 9/20 in simplified form).
If the number line has a different scale or is divided into different intervals, the fraction represented by point A will be different.
Without specific details about the number line and the position of point A, it is impossible to determine the fraction precisely.
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