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Answer:
28.26
Step-by-step explanation:
A
=
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r
2
=
π
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2
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28.27433
Related Questions
What is the independent variable in this function?
Answers
Answer:
p.
Step-by-step explanation:
p is the independent variable.
The dependent one is h.
The value of h depends on the value of p.
chris wants to improve the chances of getting appointments with prospects. all of the following will help chris when making appointments except:
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The option that will not help Chris when making appointments is using a scripted sales pitch. A more personalized approach that adapts to the prospect's needs and interests is generally more effective.
To improve the chances of getting appointments with prospects, Chris can employ various strategies. However, one of the following options will not be helpful in this regard. Let's evaluate each option:
1. Researching prospects: This involves gathering information about potential clients, such as their interests, needs, and preferences. By understanding their background, Chris can tailor his approach and increase the likelihood of securing appointments. This option is beneficial and should be considered.
2. Building rapport: Developing a connection with prospects helps establish trust and a positive relationship. By showing genuine interest and actively listening, Chris can create a comfortable environment that encourages prospects to engage and consider appointments. This option is also beneficial and should be considered.
3. Using a scripted sales pitch: A scripted pitch might come across as impersonal and rigid. It is more effective to have a flexible and tailored approach that responds to the specific needs of each prospect. This option may not be helpful in improving appointment chances, as it may hinder meaningful conversations and engagement.
4. Offering incentives: Providing prospects with incentives, such as discounts or rewards, can incentivize them to schedule appointments. This option is beneficial as it adds value to the proposition and increases the likelihood of securing appointments.
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a bank's monthly charge for maintaining an account is $.45 for each check written plus a service charge of $12.50. if x represents the number of checks written during the month, which function models this situation? question 4 options: f(x)
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The function f(x) = 0.45x + 12.50 models the situation where a bank charges $.45 for each check written plus a service charge of $12.50. The "x" represents the number of checks written during the month.
The function that models this situation can be written as:
f(x) = 0.45x + 12.50
In this function, "x" represents the number of checks written during the month. The term "0.45x" represents the monthly charge for maintaining the account based on the number of checks written (0.45 for each check). The term "12.50" represents the service charge.
To calculate the total monthly charge, you would substitute the value of "x" into the function. For example, if you wrote 10 checks during the month, the total monthly charge would be:
f(10) = 0.45(10) + 12.50
= 4.50 + 12.50
= $17.00
In conclusion, the function f(x) = 0.45x + 12.50 models the situation where a bank charges $.45 for each check written plus a service charge of $12.50. The "x" represents the number of checks written during the month.
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66.7 - 6 x 14 + 99 x -6 = ?
Answers
Answer:
? = -611.3
I used a calculator.
hope this helps
Write each decimal as a percent. 0.32/0.4/0.08
Answers
Answer:
32.0%
4.0%
80.0%
Step-by-step explanation:
THATS MY ANSWER THANK YOU
A dog's adult weight is 60 pounds. As a puppy, it is 10% of its adult weight. How much does it weigh as a puppy?
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Answer:
Puppy weight= 6 pounds
Step-by-step explanation:
Giving the following information:
Adult weight= 60 pounds
Puppy weight rate= 10%
To calculate the weight in pounds of a puppy, we need to use the following formula:
Puppy weight= adult weight*puppy weight rate
Puppy weight= 60*0.1
Puppy weight= 6 pounds
7/9 divided by (-2 5/8)=
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Answer:
−
7
9
÷
(
−
2
5
8
)
Convert
2
5
8
to an improper fraction.
Tap for more steps...
−
7
9
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(
−
21
8
)
To divide by a fraction, multiply by its reciprocal.
−
7
9
(
−
8
21
)
Cancel the common factor of
7
.
Tap for more steps...
−
1
9
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8
3
Multiply
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1
9
by
−
8
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.
−
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8
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Multiply.
Tap for more steps...
8
27
The result can be shown in multiple forms.
Exact Form:
8
27
Decimal Form:
0.
¯¯¯¯¯¯
296−
7
9
÷
(
−
2
5
8
)
Convert
2
5
8
to an improper fraction.
Tap for more steps...
−
7
9
÷
(
−
21
8
)
To divide by a fraction, multiply by its reciprocal.
−
7
9
(
−
8
21
)
Cancel the common factor of
7
.
Tap for more steps...
−
1
9
⋅
−
8
3
Multiply
−
1
9
by
−
8
3
.
−
−
8
9
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Tap for more steps...
8
27
The result can be shown in multiple forms.
Exact Form:
8
27
Decimal Form:
0.
¯¯¯¯¯¯
296−
7
9
÷
(
−
2
5
8
)
Convert
2
5
8
to an improper fraction.
Tap for more steps...
−
7
9
÷
(
−
21
8
)
To divide by a fraction, multiply by its reciprocal.
−
7
9
(
−
8
21
)
Cancel the common factor of
7
.
Tap for more steps...
−
1
9
⋅
−
8
3
Multiply
−
1
9
by
−
8
3
.
−
−
8
9
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8
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The result can be shown in multiple forms.
Exact Form:
8
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Decimal Form:
0.
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296
Step-by-step explanation:
if 1,000 points are selected randomly inside the square with all points equally likely to be selected, how many of those points are expected to lie in
Answers
If 1,000 points are selected randomly inside the square with all points equally likely to be selected, points to lie inside the circle is 785.4 points.
We can find the answer by finding the ratio of the areas of the regions and then multiplying by the total number of points.
The square has an area of 1 (since it has sides of length 1).
The circle has a radius of 1/2 and an area of pi/4.
So the ratio of the areas is:
(π/4) / 1 = π/4
Therefore, we would expect:
(π/4) * 1000 = ( 3.14 / 4 ) 1000
(π/4) * 1000 = 1000 × ( 0.785 ) = 785 points
points to lie inside the circle. This is approximately 785 points.
Your question is incomplete but mos probably your full question was
If 1,000 points are selected randomly inside the square with all points equally likely to be selected, how many of those points are expected to lie inside the circle?
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A simple approach for trending equipment degradation data (such as vibration signature, bearing temperature, etc.) is to make a linear fit to the data points ...
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A simple approach for trending equipment degradation data (such as vibration signature, bearing temperature, etc.) is to make a linear fit to the data points. This can be done by plotting the data points on a graph and drawing a straight line through them.
The slope of the line gives an indication of how quickly the equipment is degrading. For example, if the slope is steep, this indicates that the equipment is degrading quickly. On the other hand, if the slope is gentle, this indicates that the equipment is degrading slowly. In addition to the slope, it is also important to look at the intercept of the line.
The intercept gives an indication of the starting point of the degradation. If the intercept is high, this indicates that the equipment was already degraded when the monitoring began. If the intercept is low, this indicates that the equipment was in good condition when the monitoring began.
Overall, making a linear fit to equipment degradation data is a simple and effective way to monitor equipment condition over time. It can help identify potential problems before they become serious and allow for proactive maintenance to be carried out.
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The question is in the screenshot.
Answers
slope (m) = (y2-y1)/(x2-x1)
= (-4 - 1 )/(2- -3 )
= -5/5 = -1
slope intercept form
y = mx + b
y = -x + b
from points given (2 ,-4)
x = 2 , y= -4
-4 = -2 +b
b = -2
y = -x -2
Answer:
y = -x + (- 2)
or
y = -1x + (- 2)
Step-by-step explanation:
Slope - intercept Form: y = mx + b
y = outputx = inputm = slopeb = y interceptStep 1: Slope
To solve for slope, you have to use the two points given. The point format is (x,y). Then find the change in y and divide it by the change in x. You'll understand what I mean if you look below.
\(\text{Slope} = \frac{y_2 - y_1}{x_2 - x_1}\)\(\text{Slope} = \frac{1 - (-4)}{-3 - 2}\) ↑ Remember to match the coordinates. (1 and -3 are vertically matched. Just like -4 and 2\(\text{Slope} =\frac{5}{-5}\)\(\text{Slope} =-1\)Step 2: Y-intercept
Input x and y points in the equation with the slope found
y = -1x + b-4 = -1(2) + b-4 = -2 + bb = -2Your equation is y = -x - 2
-Chetan K
Can someone help on this question from khanademy geometry. Finding the equation for the circle
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The equation of the circle graphed in this problem is:
(x - 5)² + y² = 16.
What is the equation of a circle?The equation of a circle of center \((x_0, y_0)\) and radius r is given by:
\((x - x_0)^2 + (y - y_0)^2 = r^2\)
For the circle graphed, we have that:
The center is at point (5,0), hence \(x_0 = 5, y_0 = 0\).The radius is of 4 units.Hence the equation of the circle graphed is:
(x - 5)² + y² = 16.
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Find equations for two lines that are both tangent to the curve y = x³ - 3x² + 3x − 8 and parallel to the line 3x - y = 12. (Enter your answers as a comma-separated list of equations.)
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The equations for the two lines that are both tangent to the curve y = x³ - 3x² + 3x - 8 and parallel to the line 3x - y = 12 are y = x + 4 and y = x - 10. These equations can be derived by setting the derivative of the curve equal to the slope of the given line and solving for the x-coordinate of the point of tangency.
To find these equations, we need to determine the slope of the tangent lines. Since the given lines are parallel to the line 3x - y = 12, their slopes will be the same as the slope of this line.
The slope-intercept form of the given line is y = 3x - 12. Therefore, the slope of this line is 3.
To find the points of tangency, we differentiate the equation y = x³ - 3x² + 3x - 8 to obtain the derivative: dy/dx = 3x² - 6x + 3.
Setting this derivative equal to the slope of the tangent lines, we have 3x² - 6x + 3 = 3. Solving for x, we get x = 2.
Substituting x = 2 back into the original equation, we find y = -1.
Thus, the point of tangency is (2, -1).
Using the point-slope form of a line, y - y₁ = m(x - x₁), where (x₁, y₁) is the point of tangency and m is the slope, we can write the equations of the tangent lines:
For the first line: y - (-1) = 3(x - 2) simplifies to y = x + 4.
For the second line: y - (-1) = 3(x - 2) simplifies to y = x - 10.
Therefore, the equations for the two lines that are both tangent to the given curve and parallel to the line 3x - y = 12 are y = x + 4 and y = x - 10.
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Complete the table and write the question
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A linear equation representing the data in table is t(n) = 12x + 23.
The missing values in table should be completed as follows;
n t(n)
4 71
5 83
How to write the equation and complete the table?Mathematically, the point-slope form of a straight line can be calculated by using this mathematical expression:
y - y₁ = m(x - x₁) or y - y₁ = (y₂ - y₁)/(x₂ - x₁)(x - x₁)
Where:
m represents the slope.
x and y are the data points.
Next, we would determine the linear equation representing the data in table which passes through the points (1, 24) and (2, 36) by using the point-slope form as follows:
y - y₁ = (y₂ - y₁)/(x₂ - x₁)(x - x₁)
y - 24 = (36 - 24)/(2 - 1)(x - 1)
y - 24 = 12(x - 1)
y = 12x - 1 + 24
y = t(n) = 12x + 23
When the value n = 4, the value of t(n) can be calculated as follows;
t(4) = 12(4) + 23
t(4) = 71.
When the value n = 5, the value of t(n) can be calculated as follows;
t(5) = 12(5) + 23
t(5) = 83.
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How does the t-value for the sample correlation coefficient r compare to the t-value for the corresponding slope b of the sample least-squares line
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\(= \ \frac{\beta _{1}}{s\beta _{1} } = t\beta _{1}\) the t-value for the sample correlation coefficient r compare to the t-value .
What is the slope in math?
slope, Numerical measure of a line's inclination relative to the horizontal. In analytic geometry, the slope of any line, ray, or line segment is the ratio of the vertical to the horizontal distance between any two points on it (“slope equals rise over run”).Generally, the slope of a line gives the measure of its steepness and direction.
The two t values are equal.
\(t_{r} = r \frac{\sqrt{n - 2} }{\sqrt{1 - r^{2} } }\)
\(= \frac{r * \sqrt{SST / \sqrt{SSR} } }{(\sqrt{1 - r^{2}) * \sqrt{SST} /\sqrt{SSR/(n - 2)} } }\)
\(= \ \frac{\beta _{1}}{s\beta _{1} } = t\beta _{1}\)
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In AEFG, e = 6.9 inches, f = 8.7 inches and /G=27°. Find the length of g, to thenearest 10th of an inch.
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We will determine the length of g as follows:
*First: We will use the law of cosines to solve, that is:
\(g^2=(8.7)^2+(6.9)^2-2(8.7)(6.9)\cos (27)\)*Second: We solve:
\(g=4.040514411\ldots\Rightarrow g\approx4.0\)So, the measure of the side g is approximately 4.0 inches long.
PLEASE HELP MEE EVERYONE IS WASTING MY POINTs PLEASE
Answers
==========================================================
Explanation:
For each row, divide the earnings over the sales.
In row 1, we have 22/673 = 0.0327 approximately In row 2, we have 37/1298 = 0.0285 approximately In row 3, we have 101/3277 = 0.0308 approximately In row 4, we have 150/5180 = 0.0290 approximatelyAll of these decimal values have the following conversions to percentages
0.0327 = 3.27% 0.0285 = 2.85% 0.0308 = 3.08% 0.0290 = 2.90%If we add up those percentages and divide by 4, we get the average percentage
(3.27+2.85+3.08+2.90)/4 = 3.025
So the average percentage of these four is 3.025%
So for instance, if you made $1000 in sales, then 0.0325*1000 = 32.50 would be the estimated earnings.
A good estimate in my opinion is the equation c = 0.0325d since 3.025% converts to the decimal form 0.0325
Another method you could use is linear regression to help estimate. Though this method is a lot more complicated involving many more steps. It's better to use technology (eg: graphing calculator) if you go this route. The linear regression line is approximately y = 0.02896x + 2.00732; we can see the slope 0.02896 isn't too far off from 0.0325. Other forms of regression are possible as well.
pls help me with one and two pls
Answers
Answer:
3ac-a+2b
a=2,b=1,c=4
Step-by-step explanation:
3*2*4-2+2*1
24-2+2=24
simplify (4a^4b^9c)^2
Answers
Answer:
16a^8 b^18 c^2
Step-by-step explanation:
(4a^4b^9c)^2
=> 4^2(a^4)^2(b^9)^2 x c^2
evaluate the power
16 (a^4)^2(b^9)^2 x c^2
16a^8 b^18 c^2
Identify the characters of series below. nvž enn |||-) En=12 100 1-) Σπίο 3* 2"-1 ||-) En=2 n A) I Convergent, II Divergent, III Convergent B) I Convergent, Il Convergent, III Divergent C) I Convergent, II Convergent, III Convergent D) I Divergent, Il Divergent, III Divergent E) I Divergent, II Divergent, III Convergent
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Based on the information, we can determine convergence or divergence of series.The given options do not provide a clear representation of potential outcomes.It is not possible to select correct option.
The given series is "nvž enn |||-) En=12 100 1-) Σπίο 3* 2"-1 ||-) En=2 n". In the series, we have the characters "nvž enn |||-)" which indicate the series notation. The characters "En=12 100 1-" suggest that there is a summation of terms starting from n = 12, with 100 as the first term and a common difference of 1. The characters "Σπίο 3* 2"-1 ||-) En=2 n" indicate another summation, starting from n = 2, with a pattern involving the operation of multiplying the previous term by 3 and subtracting 1.
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This is for math pls help I need this done
Answers
Answer:
its upside down turn it around
Step-by-step explanation:
Leon has a bag of 4 red balls, 3 green balls and 6 yellow balls. He takes a ball out and replaces it 50 times. Out of those 50 trails he pulls out a green ball 12 times. What is the experimental probability of getting a green ball on his next trial?
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Ma Baker's Pies charges $12 for a pumpkin pie and $14 for an apple pie. Last week, they sold a third as many pumpkin pies as apple pies, for a total of $5,400. How many pumpkin pies were sold last week?
20 POINTS!!!!
Answers
The Ancient Egyptians were the first to invent a dish close to what we know as a pie today. They had a honey filling covered in a crusty cake made from oats,
Who was the first American author of a recipe for pumpkin pie?This type of pie appears to have been made by some of the early colonists as well—but, by 1796, when Amelia Simmons' American Cookery, the first cookbook written by an American and published in America, appeared, pumpkin pie had evolved into a familiar form that we would recognize today.The cost of one apple pie = $6They stewed pumpkins or filled a hollowed out pumpkin shell with milk, honey and spices, and then baked it in hot ashes. Northeastern Native American tribes grew squash and pumpkins. The Native Americans brought pumpkins as gifts to the first settlers, and taught them the many uses for pumpkin.Types of squashes were first introduced to Europe in the form of Pumpkin seeds brought back from the Americas by Columbus himself. The introduction of pumpkins affected the way food was consumed in Europe. In both Italy and Spain, pumpkins were used in puddings and soups, making food much tastier and more enjoyable.And cost of one pumpkin pie = $8
Let the cost of one apple pie be $x
And cost of one pumpkin pie be $ y.
According to given problem,
For Lisa : sold 8 apple pies and 4 pumpkin pies for a total of $80
8x + 4y = 80 ------------(1)
For Shreya : sold 8 apple pies and 3 pumpkin pies for a total of $72
8x + 3y = 72 ---------------(2)
Solving equation (1) and (2), to get x and y.
Subtract equation (2) from equation (1)
i.e 8x + 4y - (8x +3y) = 80 - 72
or 8x - 8x + 4y - 3y = 8
or y = 8
And x = 6 { 8x + 4×8 = 80 or x = (80 - 32)/8 = 48/8 = 6 }
Hence, the cost of one apple pie = x = $6
And cost of one pumpkin pie = y =$8
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An investigator examined the effects of practice on problem-solving performance. Study participants were randomly assigned to two conditions. Seventy-five participants tried to solve 30 problems after having a 10 minute practice session on a similar set of problems. A different seventy-five tried to solved the same 30 problems, but with no practice sessions. The average number of correct solutions was compared for people in the practice condition and those in the no-practice condition. What is the most appropriate statistical test to apply in this situation
Answers
The most appropriate statistical test to apply in this situation is an independent samples t-test. This test is used to compare the means of two independent groups on a continuous dependent variable, which in this case is the average number of correct solutions.
The study participants were randomly assigned to two different conditions, and the goal is to compare the means of the two groups (those who had a practice session and those who did not) on the dependent variable of problem-solving performance (measured by the average number of correct solutions).
The t-test would allow the researcher to determine if there is a significant difference between the means of the two groups, taking into account the variability within each group. Specifically, the researcher would calculate a t-value based on the difference between the means of the two groups and the standard error of the difference. This t-value would be compared to a critical value based on the degrees of freedom (which in this case would be 148, calculated as 75 + 75 - 2). If the calculated t-value exceeds the critical value, the researcher can conclude that there is a significant difference between the means of the two groups. A p-value can also be calculated to determine the probability of obtaining such a result by chance.Know more about the statistical test
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The sum of two numbers is 16 and their difference is 2 the big number between them is
Answers
hello
the answer to the question is:
A + B = 16
A - B = 2
----> A = 9, B = 7
and the number between them is 8
Pls help me solve 55 x 77 x 247903
Answers
Answer:
1049869205
Step-by-step explanation:
55 * 77 = 4235
4235 * 247903 = 247903
50 PTS!!!
If ABCD is dilated by a factor of 3, the coordinate of B' would be:
Answers
the coordinates of B' after dilating ABCD by a factor of 3 are (3a,3b). we need to first determine the center of dilation and then use the dilation formula to find the new coordinates.
Assuming that ABCD is a rectangle, we can find the center of dilation by finding the midpoint of AC, which is the line connecting the center of the rectangle to its opposite vertex. Let's call this point M.
To find the coordinates of M, we can use the midpoint formula:
M = (A+C)/2
Assuming that A = (-a,b) and C = (a,-b), we get:
M = ((-a,b) + (a,-b))/2 = (0,0)
So the center of dilation is the origin (0,0).
Now, to find the coordinates of B' after dilation, we can use the dilation formula:
B' = k * B
where k is the dilation factor (in this case, k = 3) and B is the original coordinates of point B.
Assuming that B = (a,b), we get:
B' = 3 * (a,b) = (3a,3b)
So thethe coordinates of B' after dilating ABCD by a factor of 3 are (3a,3b).
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HElp quick pleaseHElp quick pleaseHElp quick pleaseHElp quick pleaseHElp quick pleaseHElp quick pleaseHElp quick pleaseHElp quick pleaseHElp quick please
Answers
The non linear equation is Option B.
What is an Equation of a line?The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept
And y - y₁ = m ( x - x₁ )
y = y-coordinate of second point
y₁ = y-coordinate of point one
m = slope
x = x-coordinate of second point
x₁ = x-coordinate of point one
The slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Given data ,
Let the non linear equation be represented as A
Now , the value of A is
The equation can be calculated as a linear equation if the slope of the point remains the same
So , when the slope m is constant , it will be a linear equation
a)
Let the first point be P ( 2 , 5 )
Let the second point be Q ( 4 , 17 )
Slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Substituting the values in the equation , we get
Slope m = ( 17 - 5 ) / ( 4 - 2 )
Slope m = 12 / 2
Slope m = 6
Let the third point be R ( 7 , 35 )
Let the fourth point be S ( 13 , 47 )
Now , the slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Slope m = ( 47 - 35 ) / ( 13 - 7 )
Slope m = 12 / 6
Slope m = 2
Hence , the slope between the points is not the same and the equation of line will not be a linear equation
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Explain two different ways you could determine a fraction between 5/12 and 11/24.
Answers
The two ways to determine number between fraction is 1. Common denominator and averaging and 2. Cross Multiplication and Comparing.
What is common denominator?A shared multiple of the numerators of two or more fractions is referred to as a common denominator. We must change fractions with different denominators to have the same denominator in order to add or subtract them. The act of doing this is known as identifying a common denominator. By determining the least common multiple (LCM), or the smallest number that is a multiple of both denominators, we may determine the common denominator. Then, by multiplying both the numerator and denominator of each fraction by the proper factor, we can convert each fraction to an analogous fraction with the LCM as the denominator.
To determine the fraction between 5/12 and 11/24 we can take the common denominator and then average the answer.
That is,
The common denominator is 12(24) = 288 thus,
5/12 = 120/288
11/24 = 132/288
Now averaging the two we have:
(120/288 + 132/288) / 2 = 126/288
The number in between is: 126/288
The second way is Cross Multiplication and Comparing:
5/12 x 11/24 = 55/288
11/24 x 5/12 = 55/288
Thusm number that lies in between the two fraction is 55/288.
Hence, the two ways to determine number between fraction is 1. Common denominator and averaging and 2. Cross Multiplication and Comparing.
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a shirt is on sale for 60% of the original price. The original price is $28 more than the sale price. What was the original price?
Answers
Answer:
the original price of the shirt was $70.
Step-by-step explanation:
Let's use the variable "p" to represent the original price of the shirt. Then, we know that the sale price is 60% of the original price, which can be written as:
0.6p
We also know that the original price is $28 more than the sale price, so we can set up another equation:
p = 0.6p + 28
Now we can solve for p:
p = 0.6p + 28 (subtract 0.6p from both sides)
0.4p = 28 (simplify by combining like terms)
p = 70 (divide both sides by 0.4)
Therefore, the original price of the shirt was $70.
What is the range of y= 4x + 5?