The zero #1 is (-3, 0) and the zero #2 is (1, 0).
To find the zeros of the quadratic equation y = 2x² + 4x - 6, we need to solve for the values of x when y = 0.
We can start by setting y to zero:
0 = 2x² + 4x - 6
Next, we can divide both sides by 2 to simplify the equation:
0 = x² + 2x - 3
We can then factor the left-hand side of the equation:
0 = (x + 3)(x - 1)
Using the zero product property, we can set each factor equal to zero and solve for x:
x + 3 = 0 or x - 1 = 0
x = -3 or x = 1
So the zeros of the quadratic function are (-3,0) and (1,0).
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through (1, 2), slope = 7
Write the equation of a line in slope-intercept and standard form.Given 1 point and a slope
Answer:
The equation of line is as follows:
Slope-intercept form: \(y = 7x-5\)
Standard Form: \(-7x+y = -5\)
Step-by-step explanation:
Given that
Slope of line: 7
Point : (1,2)
Slope-intercept form of equation of line is given by:
\(y = mx+b\)
Here m is the slope and b is y-intercept.
Putting the value of slope
\(y = 7x+b\)
To find the value of b, we have to put the point in the equation
\(2 = 7(1) +b\\2 = 7+b\\2-7 = b\\b = -5\)
So the equation will be:
\(y=7x-5\)
The standard form of equation of line is:
\(Ax+By = C\)
To convert the equation in standard form, subtracting 7x from both sides
\(y-7x = 7x-5-7x\\-7x+y = -5\)
Hence, the equation of line is as follows:
Slope-intercept form: \(y = 7x-5\)
Standard Form: \(-7x+y = -5\)
The equation of a line in slope-intercept and standard form through (1, 2), slope = 7 is 7x - y = 5.
To find the equation of a line in slope-intercept and standard form.
First, we can write the equation in point-slope form. The point-slope formula states:
(y − y₁) = m (x − x₁)
Where m is the slope and
(x1, y1) is a point the line passes through.
Substituting the values from the problem gives:
(y − 2) = 7(x − 1)
Now, we need to convert to standard form.
The standard form of a linear equation is:
Ax + By = C
where, if at all possible,
A, B, and C are integers, and A is non-negative, and, A, B, and C have no common factors other than 1
We convert as follows:
y − 2 = (7 × x) − (7 × 1)
y − 2 = 7x − 7
−7x + y − 2 = − 7
Adding 2 in both side.
−7x + y − 2 + 2 = − 7 +2
-7x + y = -5
7x - y = 5
Therefore, the equation of a line in slope-intercept and standard form is 7x - y = 5.
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In an analysis of variance problem involving 4 treatments and 10
observations per treatment, SSW=399.6 The MSW for this situation is
:
19.2
11.1
44.4
20.8
Therefore, the MSW for this situation is 11.1.
In analysis of variance, the ANOVA method is employed to determine whether or not there are significant differences between three or more treatment groups in the study of a particular factor. In the case of ANOVA, the null hypothesis is that there is no significant difference between the treatment groups' means, while the alternative hypothesis is that at least one group mean is different from the rest.
In this question, we are given that there are 4 treatments and 10 observations per treatment.
SSW=399.6, and we are to determine the MSW.
The MSW is calculated using the formula:
MSW = SSW / (dfW)
where dfW = (n-1) x k and n is the number of observations per treatment, while k is the number of treatments.
Substituting the given values:
dfW = (10-1) x 4
= 36MSW
= 399.6 / 36
= 11.1
This result suggests that the differences in treatment means may not be significant since the MSW is relatively small. However, additional tests such as post-hoc comparisons or effect sizes should be conducted to provide a more comprehensive analysis of the data.
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2 Points
What is the surface area of the cube below?
A. 96 units2
B. 64 units2
C. 80 units2
D. 120 units2
Answer:
A
Step-by-step explanation:
The cube has 6 surfaces with side lengths 4 by 4. Each of the faces has area 4*4=16 units, and multiplying this by 6 yields 96 units, or answer choice A. Hope this helps!
The surface area of the given cube is 96 square units, option A is correct.
What is Three dimensional shape?a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.
The formula to find the surface area of cube is 6s²
Where s is the side length of cube
s=4 from the given cube
Plug in the value of s in surface area formula
surface area = 6(4)²
=6×16
=96 square units
Hence, the surface area of the given cube is 96 square units, option A is correct.
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The sum of two numbers is 41. The smaller number is 5 less than the larger number. What are the numbers?
Answer:
Greater number is 24 and smaller number is 18.
Step-by-step explanation:
According to the question first case will be x+y=41 by solving it y=41-x and second case will be x=y-5 put the value of y in second case. The answer will come. (hope you will get it)
PLEASE HELP!!!! offering 45 points with brainiest
Answer:
\(\huge\boxed{12 \ people}\)
Step-by-step explanation:
By looking at the range of histogram , we come to know that:
People who walked for 0-2 hours = 5
People who walked for 2-4 hours = 17
People who walked for 4-6 hours = 12
People who walked for 6-8 hours = 9
People who walked for 8-10 hours = 3
Answer:
12 people
Step-by-step explanation:
We want to find the number of people between 4 and 6 hours
Reading the chart, the third bar is between 4 and 6 hours
12 people
Evaluate the integral. (Use C for the constant of integration.) Integrate t^4 / sqt . 1-t^10 dt
The integral ∫(\(t^4\) / √(1-\(t^{10\))) dt evaluates to -(2 / 50\(t^5\)) √(1-\(t^{10\)) + C, where C is the constant of integration.
To evaluate the integral ∫(\(t^4\) / √(1-\(t^{10\))) dt, we can make a substitution u = 1 - \(t^{10\). Then, du = -10\(t^9\) dt, and rearranging gives dt = -(1/10\(t^9\)) du. Substituting these into the integral, we have:
∫(\(t^4\)/ √(1-\(t^{10\))) dt = ∫((-\(t^4\) / 10\(t^9\)) / √u) du
= -1/10 ∫(1 / \(t^5\) √u) du
= -1/10 ∫(\(u^{(-1/2)\) / \(t^5\)) du.
Now we can integrate \(u^{(-1/2)\) / \(t^5\) with respect to u:
∫\(u^{(-1/2)\) / \(t^5\)) du = (2√u / (5\(t^5\))) + C,
where C is the constant of integration.
Finally, substituting back u = 1 - \(t^{10\), we have:
∫(\(t^4\) / √(1-\(t^{10\))) dt = -1/10 ((2√(1-\(t^{10\))) / (5\(t^5\))) + C
= -(2 / 50\(t^5\)) √(1-\(t^{10\)) + C.
Therefore, the integral evaluates to -(2 / 50\(t^5\)) √(1-\(t^{10\)) + C.
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Solve the equation.
p−3=−4
p=
The value of p in the given equation is -1.
Given is an equation p-3 = -4, we need to find the value of p,
So,
p-3 = -4
p = -4+3
p = -1
Hence, the value of p in the given equation is -1.
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How to solve this guys..:< Show solution guys pls.. (3/7)(3/7)
Answer:
\( \frac{3}{7} \times \frac{3}{7} = \frac{9}{49 } \)
An object moves at a constant speed in a circular path of radius r at a rate of 1 revolution per second. What is its acceleration?
A. 0
B. 2π^2r
C. 2π^2r^2
D. 4π^2r
The acceleration of the object moving at a constant speed in a circular path of radius r at a rate of 1 revolution per second is given by option C, 2π^2r^2.
The object experiences centripetal acceleration towards the center of the circle. Although its speed remains constant, the direction of its velocity continuously changes, resulting in acceleration. The magnitude of centripetal acceleration can be calculated using the formula a = (v^2) / r, where v is the linear velocity and r is the radius of the circular path. In this case, the linear velocity is the circumference of the circle (2πr) divided by the time (1 second), squared, and divided by the radius (r), resulting in 2π^2r^2.
The acceleration of an object moving in a circular path is directed toward the center of the circle and is known as centripetal acceleration. In this scenario, the object moves at a constant speed of 1 revolution per second, which means it completes a full circular path in 1 second. The linear velocity can be calculated by dividing the circumference of the circle (2πr) by the time taken to complete one revolution (1 second). Since the speed is constant, there is no tangential acceleration. However, the object experiences centripetal acceleration due to the continuously changing direction of its velocity. The magnitude of the centripetal acceleration is given by the formula a = (v^2) / r, where v is the linear velocity and r is the radius. Plugging in the values, we get a = ((2πr) / 1)^2 / r = 4π^2r^2 / r = 4π^2r, which corresponds to option D, 4π^2r.
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WNAE, an all-news AM station, finds that the distribution of the lengths of time listeners are tuned to the station follows the normal distribution. The mean of the distribution is 15.0 minutes and the standard deviation is 3.5 minutes. What is the probability that a particular listener will tune in:
Complete question :
WNAE, an all-news AM station, finds that the distribution of the lengths of time listeners are tuned to the station follows the normal distribution. The mean of the distribution is 15.0 minutes and the standard deviation is 3.5 minutes. What is the probability that a particular listener will tune in:
a. More than 20 minutes? b. For 20 minutes or less
Answer: 0.0764 ; 0.9236
Step-by-step explanation:
Mean (m) = 15 minutes
Standard deviation (sd) = 3.5
Z - score :
Z = (x - m) / sd
A) more than 20 minutes
P(X > 20) ; x = 20
Z > (20 - 15) / 3.5 = 5/3.5 = 1.429
P(z > 1.429) = 0.5 - P(0<z<1.43)
Using the z-table: 1.43 = 0.4236
0.5 - 0.4236 = 0.0764
2) 20 minutes or less :
P(X <= 20) ; x = 20
Z < (20 - 15) / 3.5 = 5/3.5 = 1.429
P(z < 1.429) = 0.5 + P(0<z<1.43)
Using the z-table: 1.43 = 0.4236
0.5 + 0.4236 = 0.9236
Please help me I’m in 9th grade math show your work I just need help with number 2
Answer:
26
Step-by-step explanation:
normally this should be way below your math abilities in 9th grade.
but here as a reminder :
dot operations (like multiplication and division) happen before any dash operations (addition, subtraction).
so when we go through here we see therefore
-32/8 and 5×-2 have to be calculated first (I use × instead of ., because a fit can be so easily missed or misunderstood).
and then : mind the "-" signs to actually sign all terms for the final sum.
so, -32/8 = -4
5×-2 = -10
now we have
40 - 4 - 10 = 26
Alicia is mixing paint. She has a bucket that contains 5 1/2 pints of paint. She adds 1/4-pint containers of paint to the bucket until she has at most 8 3/4 pints of paint in the bucket.
Answer:
13 times?
Step-by-step explanation:
From 5 1/2 to 8 1/2 she needs to add 3 * 4 = 12 times since 1 paint = 4 pint
then she just needs to add 1 more to become 8 3/4
12 + 1 = 13
The order is 0 -> 1/4 -> 1/2 -> 3/4 -> 1
cellus
Find the standard deviation of
the given data rounded to the
nearest hundredth.
147, 141, 120, 124, 128
Answer:10.3
Step-by-step explanation:
HELP HELP PLEASE HELP OMG EHJEJEKSJSJSNSN
Answer:
THE ANSWER IS 30 DEGREES
Answer:
30°
lines are parallel so 75° and 2x+15° are congruent angles. Alternate angles.
2x+15=75
Step-by-step explanation:
2x=75-15=60
x=60/2
x=30
-19.2=-3.6x+2.4 how do you solve this??
Answer:
x = 6
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Step-by-step explanation:
Step 1: Define
-19.2 = -3.6x + 2.4
Step 2: Solve for x
Subtract 2.4 on both sides: -21.6 = -3.6xDivide -3.6 on both sides: 6 = xRewrite: x = 6Find f[g(x)] and g[f(x)] for the given functions. 3 f(x) = -x³ +3, g(x) = 4x+7 (Simplify your answer. Do not factor.) (Simplify your answer. Do not factor.) f[g(x)] = g[f(x)] =
The value of f[g(x)] is - 64x³ - 336x² - 588x - 340 and the value of g[f(x)] is -4x³ + 19
The functions are as follows; f(x) = -x³ +3 and g(x) = 4x+7
The value of f[g(x)] is obtained by replacing every x in f(x) with the value of g(x) as given below
f[g(x)] = f(4x + 7) = - (4x + 7)³ + 3
When we expand (4x + 7)³, it gives us 64x³ + 336x² + 588x + 343
Then
f[g(x)] = - 64x³ - 336x² - 588x - 340
Similarly, g[f(x)] is obtained by replacing every x in g(x) with the value of f(x) as shown below;
g[f(x)] = g(-x³ + 3) = 4(-x³ + 3) + 7g
[f(x)] = -4x³ + 19
Therefore,
f[g(x)] = - 64x³ - 336x² - 588x - 340
g[f(x)] = -4x³ + 19
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find f ( a ) , f ( a h ) , and the difference quotient for the function given below, where h ≠ 0 . f ( x ) = 8 x − 9
The difference quotient for the function is 8.
The function is given by:
f ( x ) = 8 x − 9, where h ≠ 0
To find f(a), substitute a for x in the function. So we have:
f ( a ) = 8 a − 9
To find f(a + h), substitute a + h for x in the function. So we have:
f ( a + h ) = 8 ( a + h ) − 9
The difference quotient can be found using the formula:
(f(a + h) - f(a))/h
Substituting the values found above, we have:
(8 ( a + h ) − 9 - (8 a − 9))/h
Expanding the brackets and simplifying, we have:
((8a + 8h) - 9 - 8a + 9)/h
= 8h/h
= 8
Therefore, the difference quotient for the function is 8.
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new similarity measures of intuitionistic fuzzy sets based on the {jaccard} index with its application to clustering
Develop similarity measures by applying the Jaccard index formula to the membership degrees of the fuzzy sets and use these measures for clustering objects based on their fuzzy characteristics.
The question is asking about new similarity measures of intuitionistic fuzzy sets based on the Jaccard index and their application to clustering.
To answer the question, first, let's understand what fuzzy sets and clustering are. Fuzzy sets are a generalization of classical sets where an element can have a degree of membership ranging between 0 and 1. Clustering, on the other hand, is a technique used to group similar objects together based on their characteristics.
Now, the question specifically mentions the Jaccard index as a basis for similarity measures. The Jaccard index is a measure of similarity between two sets, which is calculated as the ratio of the intersection of the sets to the union of the sets.
To develop new similarity measures for intuitionistic fuzzy sets based on the Jaccard index, you can apply the Jaccard index formula to compare the membership degrees of the elements in the fuzzy sets. The resulting similarity measure will provide a quantitative value indicating the degree of similarity between the sets.
These new similarity measures can then be applied to clustering. In clustering, the similarity measures between objects are used to determine the groupings. By utilizing the Jaccard index-based similarity measures for intuitionistic fuzzy sets, you can cluster objects based on their fuzzy characteristics and similarities.
In summary, the question asks about new similarity measures of intuitionistic fuzzy sets based on the Jaccard index and their application to clustering. To answer this, you can develop similarity measures by applying the Jaccard index formula to the membership degrees of the fuzzy sets and use these measures for clustering objects based on their fuzzy characteristics.
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find the rate of interest.
Rs.8800,T=3.5years,I=Rs.2618
Answer:
Rate is 8.5%
Step-by-step explanation:
Step 1: Write the given terms
Principal (p)=Rs8800
Rate(r)=?
Time(t)=3.5 years
Interest=Rs2618
Step 2: Write the formula for calculating Simple interest
\(i = \frac{prt}{100} \)
Step 3: Make r the subject of the equation
\(by \: cross \: multiplication \\ 100i = prt \\ divide \: both \: sides \: by \: pt \\ r = \frac{100i}{pt} \)
Step 4: Find the value of r by substituting the values in step 1
\(r = \frac{100 \times 2618}{8800 \times 3.5} \\ r = \frac{261800}{30800} \\ r = 8.5\)
Hence, the rate is 8.5%
Is (3,4) a solution of y < 4x -2
Answer:
Yes
Step-by-step explanation:
Substitute:
Calculate the product or quotient:
Calculate the sum or difference:
Obtain a simplified relation:
Determine true or false: True
Answer: True
Suppose you invest $2000 at annual interest rate of 4.5 % How much money do you have in the account after five years?
Round two decimal places.
compounded weekly $ _____
compounded monthly $ _____
Answer:
if my math is correct
Step-by-step explanation:
2501.50
2504.65
make sure you understand how this formula was derived. which equation is not used in the derivation?
The standard deviation formula is derived from the variance formula, which is calculated by finding the sum of the squared deviations of each data point from the mean.
The standard deviation is simply the square root of the variance. This is because the variance is expressed in squared units, and the standard deviation is expressed in the original units of the data.
The equation used in the derivation of standard deviation is the formula for variance, which is given by:
Variance = ∑(x - μ)² / n
Where x is the individual data point, μ is the mean of the data set, and n is the number of data points in the set.
The standard deviation formula is simply the square root of the variance formula. The standard deviation formula is given by:
Standard deviation = √(Variance)
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When a plate is compressed,it can create anticlines an sync lines that can become
Answer:
A. Anticlines Is the answer hope it is helpful
HELP ASAP!!!! PLSS!!!
Answer:
9/32
Step-by-step explanation:
3/4 of 3/8 is 0.28125 or 9/32
Answer:
Step-by-step explanation:
3/8 (left over - from party) of 3/4 : 3/4 of 3/8 = 9/32
can someone please help!!
I need the answer and explanation pls
Step-by-step explanation:
percentage of green marbles=
(total green marbles÷ total marbles )×100
If a room is going to be a cube with volume of 4913 cubic ft.What will be the lenth of the room
Answer:
I believe it is 17 ft.
Step-by-step explanation:
If f(x) = 2x + 1 and h(x) = 3x - 5, find f(h(2)).
Answer:
f(h(2)) = 3.
Step-by-step explanation:
Replace the x in f(x) by h(2).
h(2) = 3(2) - 5
= 1,
so, f(h2) = 2(1) + 1
= 3.
five positive consecutive integers starting with a have average b. what is the average of 5 consecutive integers that start with b?
The average of 5 consecutive numbers starting from b is a+4.
Average of 5 numbers starting from a :
Avg = (a+a+1+a+2+a+3+a+4)/5
Avg = a+2
=> b = a+2
Average of 5 numbers starting form b :
Avg = (b+b+1+b+2+b+3+b+4)/5
Avg = b+2
Substituting b = a+2
Avg = (a+2) + 2
Avg = a+4
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The table shows cell phone options offered by a wireless phone company. If a phone with one payment plan and one accessory is given away at random, predict the probability that it will be Brand B and have a headset. Explain your reasoning.
Since a phone with one payment plan and one accessory is given away at random, we need to consider only the rows where the payment plan is 1 and the column where the accessory is a headset. Looking at the table, we can see that there is only one phone that meets these conditions, and it is a Brand B phone with a headset. Therefore, the probability that a phone with one payment plan and one accessory is given away at random and is a Brand B phone with a headset is 1/10 or 0.1.
The sum of any rational number and any irrational number will always be an irrational number. (True or False)
The statement that the sum of any rational number and any irrational number will always be an irrational number is true.
The sum of any rational number and any irrational number will always be an irrational number. To prove this, let's consider a rational number, represented as a/b, where a and b are integers and b is not equal to 0. Additionally, let's consider an irrational number, represented as √2. When we add the rational number a/b and the irrational number √2, the result will be a + (√2)b, which is a combination of a rational number and an irrational number.
Since irrational numbers cannot be expressed as a ratio of two integers, the sum a + (√2)b cannot be simplified to a rational number. Thus, it is an irrational number. Therefore, the statement that the sum of any rational number and any irrational number will always be an irrational number is true.
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