Answer:
0
Step-by-step explanation:
Ok use the equation: (Y2 - Y1) / (X2 - X1)
((-2) - (-2)) / ((-9)-(-1))
0/ -8
we know that 0 divided by any number is 0
so slope = 0
12 identical coins are placed in the cells on a chess board with 4 rows and 4 columns. If coins are not
allowed to be placed in the same cell, how many ways are there so that there are 3 coins in every rows
and columns?
Answer:
24 waysStep-by-step explanation:
If the coins are identical and not numbered, we need to find the number of patterns.
There are 4 rows and 4 columns. One cell remains empty in each row.
There are 4 options for the first row, 3 options for the second row, 2 options for the third row and 1 option for the fourth row.
The number of options reduces to avoid more than 1 empty cell in each row or column.
Number of options is:
4*3*2*1 = 24_________
\( \: \)
4rows, and 4columns.
Soo :
= 4!
= 4 × (4 - 1) × (4 - 2) × (4 - 3)
= 4 × 3 × 2 × 1
= 24
i thought of a number. 4 times my number increased by 30 equals 70 decreased by the number. what is my number
The 4 is the number the student thought about.
To solve this problem, we will use algebraic expressions. First, let us define the unknown number, x. The problem states that "4 times my number increased by 30 equals 70 decreased by the number." This can be translated into the following equation:
4x + 30 = 70 - x
To solve for x, we need to isolate it on one side of the equation. Let's start by moving all the terms with x to the left side and all the constant terms to the right side.
4x + x = 70 - 30x + 4x + x = 40
Simplifying, we get:
10x = 40
Dividing both sides by 10:
x = 4
Therefore, the number that the student thought of is 4.
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What is the value of X
Answer:
x=28
Step-by-step explanation:
The interior angles of a triangle must add to 180 degrees.
Therefore,
x+95+57=180
Add 95 and 57
x+152=180
We are trying to find x. In order to do this, we must get x by itself. 152 is being added to x. The opposite of addition is subtraction. So subtract 152 from both sides.
x+152-152=180-152
x=180-152
x=28
Let’s check our answer. Add all the angles together, to be sure they add to 180 degrees.
x+95+57=180
Substitute 28 for x
28+95+57=180
180=180
The equation above is true, so we know that x is equal to 28.
____________________________________
Hey!!
Solution:
X+95+57=180 (sum of angle in triangle)
or,X+152=180
or,X=180-152
X=28 degree.
The value of X is 28 degree.
Hope it helps..
Good luck on your assignment..
Stay Safe...
_____________________________________
5a^2=320 solve for a
Answer:
a=8,-8
Step-by-step explanation:
• Company A charges $9 per calculator plus a $20 shipping fee. • Company B charges $8 per calculator plus a $45 shipping fee.
Answer:in all the answer would be $82
Step-by-step explanation:9 + 20 + 8 + 45 = 82
select the two values of x that roots of this equation x^2+3x-5=0
The solution to the equation x² + 3x - 5 = 0 are ( -3 - √( 29 ))/2 and ( -3 +√( 29 ))/2.
What are the solutions to the given equation?The quadratic equation in its standard form is;
ax² + bx + c = 0
Where x is the unknown
To solve for x, we use the quadratic formula
x = (-b±√(b² - 4ac)) / (2a)
Given the equation in the question;
x² + 3x - 5 = 0
Hence;
a = 1
b = 3
c = -5
We substitute this values into the quadratic formula above.
x = (-b±√(b² - 4ac)) / (2a)
x = ( -3 ± √( 3² - ( 4 × 1 × -5) )) / ( 2 × 1)
x = ( -3 ± √( 9 - ( -20 ) )) / ( 2 )
x = ( -3 ± √( 9 + 20 )) / 2
x = ( -3 ± √( 29 )) / 2
x = ( -3 - √( 29 ))/2, x = ( -3 +√( 29 ))/2
Therefore, the two values of x are ( -3 - √( 29 ))/2 and ( -3 +√( 29 ))/2.
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Edgar is learning to make handmade corn tortillas from his grandmother in preparation for a family gathering. His
grandmother explains to Edgar that to make
delicious corn tortillas, he needs to add 2 cups of masa, or corn flour, for every
1.5 cups of hot water, which will make 15 tortillas. If Edgar uses the same relationship of masa to cups of water and needs to
make 90 tortillas for the gathering, how many cups of masa and water does he need?
Edgar needs 12 cups of masa and 9 cups of water to make 90 tortillas.
What is division?A method of dividing something into equal parts is called division.
How to solve this problem?Given that 2 cups of masa and 1.5 cups of water are needed for 15 tortillas.
Edgar wants to make 90 tortillas.
We can think Edgar wants to make 90/15 = 6 bunches of 15 tortillas.
1 bunch of 15 tortillas needs 2 cups of masa.
So, 6 bunches of 15 tortillas need 6 * 2 = 12 cups of masa.
Again 1 bunch of 15 tortillas needs 1.5 cups of water.
So, 6 bunches of 15 tortillas need 6 * 1.5 = 9 cups of water.
Therefore, Edgar needs 12 cups of masa and 9 cups of water to make 90 tortillas.
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Anual growth rate: 20% for 2 years
Divident growth decrease to 8% for the next 2 years and 4% thereattter.
Current dive dents = $2 Required rate of return = 15% Q. What is the value at one share today a) $ 26,37 b) $ 18,39 c) $ 40, 86
d) $ 31,73
The value of one share today is $18.39.
Annual growth rate for two years is 20% i.e. g = 20% Dividend growth decreases to 8% for the next two years i.e. g1 = 8% and it is 4% thereafter i.e. g2 = 4%Current dividend = $2.
Required rate of return = 15%To calculate the value of one share, we need to use the Gordon Growth Model.D1 = D0 (1+g) Where,D0 = Current dividendg = Annual growth rateD1 = Dividend after one yearD1 = 2(1+20%) = $2.4 (Dividend growth rate of 20%).
For the next year, i.e., year 2, the dividend growth rate will be 20%.D2 = D1 (1+g)D2 = 2.4(1+20%) = $2.88Using the Gordon Growth Model,V0 = (D1) / (k-g)Where,k = Required rate of returng = Growth rateV0 = (2.88) / (15%-20%) = -$57.60
This value is not acceptable, since it is negative. This happened because the growth rate is greater than the required rate of return.
This means the growth rate is unsustainable.In order to solve this issue, we need to use the dividend growth model, where different growth rates can be used for different time periods.
Gordon Growth Model is used to calculate the intrinsic value of a stock based on a future series of dividends that grow at a constant rate.
The value of a share today is calculated based on the future dividends, so it is important to project the future dividends and discount them back to the present value.
So, we will use the dividend growth model for three years and then apply Gordon Growth Model.Value of Dividend at the end of Year 3,D3 = D2 (1+g2)D3 = 2.88 (1+4%) = $2.9984 (8% for two years and 4% for 3rd year).
Value of Dividend at the end of Year 2,D2 = D1 (1+g1)D2 = 2.4 (1+8%) = $2.592 (20% for two years)Value of Dividend at the end of Year 1,D1 = D0 (1+g)D1 = 2 (1+20%) = $2.4 (20% for first year).
Now we can apply the Gordon Growth Model,V3 = D4 / (k-g2)V3 = 2.9984 / (15%-4%) = $26.88Now we need to discount it to the present value,V0 = V3 / (1+k)^nWhere,n = number of yearsV0 = 26.88 / (1+15%)^3V0 = $18.39Hence, the value of one share today is $18.39.
Therefore, the correct option is b) $18.39.
In this question, we are required to calculate the value of one share today with given data.
To calculate the value of one share, we need to use the Gordon Growth Model, which is used to calculate the intrinsic value of a stock based on a future series of dividends that grow at a constant rate.
The annual growth rate for two years is 20% i.e. g = 20%. Dividend growth decreases to 8% for the next two years i.e. g1 = 8% and it is 4% thereafter i.e. g2 = 4%. The current dividend is $2 and the required rate of return is 15%.We first calculated the dividend for year 1, which is $2.4. Using this, we calculated the dividend for year 2, which is $2.88. But, the value of share calculated using the Gordon Growth Model was negative.
This happened because the growth rate was greater than the required rate of return. This means the growth rate was unsustainable.
To solve this, we used the dividend growth model, where different growth rates can be used for different time periods. Using this model, we calculated the value of dividend at the end of year 3, year 2, and year 1.
The value of dividend at the end of year 3 was $2.9984.Using this value, we applied the Gordon Growth Model to calculate the intrinsic value of a share, which is $26.88.
To calculate the present value of this share, we discounted it to the present value using the formula V0 = V3 / (1+k)^n, where n is the number of years.
On substituting the values, we got the value of one share today, which is $18.39. Hence, the correct option is b) $18.39.
Hence, the value of one share today is $18.39.
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I need a tutor very smart to answer this question
Given the expression :
\(\frac{1}{3}b+\frac{2}{3}b-\frac{5}{6}(b+1)=?\)The expression will be equal:
\(\begin{gathered} \frac{1}{3}b+\frac{2}{3}b-\frac{5}{6}b-\frac{5}{6} \\ \\ =(\frac{1}{3}b+\frac{2}{3}b-\frac{5}{6}b)-\frac{5}{6} \\ \\ =\frac{1}{6}b-\frac{5}{6} \end{gathered}\)so, the answer is option 4)
\(\frac{1}{6}b-\frac{5}{6}\)Which of the following shows the correct first step to solve x^2-18x=-45
A x^2 - 18x + 18= -45 + 18
B. x^2 - 18x + 9 = -45 + 18
C. x^2 -18x + 81 = -45
D. X^2 -18 + 81 = -45 + 81
Answer:
D, X^2 -18 + 81 = -45 + 81
Step-by-step explanation:
it is complating squer method that used for solving x in a quadratic equetion . in this step you will add
(y/2)^2 if y is the cofitient of x .
Lisa must choose a number between 61 and 107 that is a multiple of 2, 8, and 16. Write all the numbers that she could choose. If there is more than one
number, separate them with commas.
35 students like frozen yogurt best and 23 students like ice cream best. What percent of the students like ice cream best? *
10 points
40%
50%
23%
35%
Answer:
39.66% of students like ice cream best.
Step-by-step explanation:
To fine the percentage of students that like ice cream best, find the total amount of students. 58. Then, divide 100 by 58 and then multiply that number by 23.
Which equation is a linear function?
y= 22 +7
y = 22 - 1
y= Ź - 5
y= 1 +
Answer:
y=22-1
Step-by-step explanation:
ewaan di ako sure
Find the difference between points M(6, 16) and Z(-1, 14) to the nearest tenth.
The distance between points M(6, 16) and Z(-1, 14) is approximately 7.1 units.
We can use the distance formula to find the distance between two points in a coordinate plane. The distance formula is:
d = √((x2 - x1)² + (y2 - y1)²)
where (x1, y1) and (x2, y2) are the coordinates of the two points. Substituting the coordinates of M(6, 16) and Z(-1, 14), we get:
d = √((-1 - 6)² + (14 - 16)²) = √(49 + 4) = √53 ≈ 7.1
Therefore, the distance between points M(6, 16) and Z(-1, 14) is approximately 7.1 units.
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Find the missing dimension of the cone. Round your answer to the nearest tenth.
Volume = 3.6 in.³
\(\textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ V=3.6\\ h=4.2 \end{cases}\implies 3.6=\cfrac{\pi r^2(4.2)}{3}\implies 10.8=4.2\pi r^2 \\\\\\ \cfrac{10.8}{4.2\pi }=r^2\implies \sqrt{\cfrac{10.8}{4.2\pi }}=r\hspace{5em}\stackrel{\textit{diameter = 2r}}{2\sqrt{\cfrac{10.8}{4.2\pi }}} ~~ \approx ~~ \text{\LARGE 1.8}\)
You are testing the hypothesis that the proportion of households in a large town that have high-speed internet service is equal to 0.7 [Hop-U. against the alternative that the proportion is different (H,p-0.7). What is the chief advantage of using a confidence interval to test this hypothesis rather than a test of significance? There is no advantage. The significance test should be used, not the confidence interval O The confidence interval gives a set of plausible values for the proportion The conditions for using a confidence interval are less restrictive that for a significance test The confidence interval has more power than the significance test The confidence interval can be one- or two-sided but the significance test is always two-sided
The chief advantage of using a confidence interval to test the hypothesis about the proportion of households with high-speed internet service is that it provides a set of plausible values for the proportion, allowing for a more informative interpretation of the data.
The chief advantage of using a confidence interval to test this hypothesis is that it provides a range of plausible values for the proportion of households with high-speed internet service. Instead of simply determining whether the proportion is equal to 0.7 or not (as done in a significance test), a confidence interval gives a range of values within which the true proportion is likely to fall. This allows for a more nuanced interpretation of the data, taking into account the uncertainty inherent in statistical estimates.
In contrast, a significance test typically provides a binary result, indicating whether the data provide enough evidence to reject the null hypothesis (in this case, the proportion being equal to 0.7) or not. While significance tests can be useful in determining statistical significance, they do not provide an estimate of the magnitude or range of possible values for the parameter being tested.
Furthermore, the conditions for using a confidence interval are generally less restrictive than those for a significance test. Confidence intervals rely on assumptions about the sampling distribution of the data, but they are more flexible in terms of sample size and distributional assumptions compared to significance tests.
Finally, it's worth noting that both confidence intervals and significance tests can be one- or two-sided, depending on the specific research question and hypothesis being tested. The choice between the two depends on the nature of the hypothesis and the desired interpretation of the results.
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Divide and simplify.
√56x⁵y⁵ / √7xy
The simplified form of equation is \(\sqrt{56x^{5} y^{5} } / \sqrt{7xy}\) is \(2x^{2} y^{2}\). The expression inside the denominator's square root.
\(\sqrt{7xy}\) remains the same.
To divide and simplify \(\sqrt{56x^{5} y^{5} } / \sqrt{7xy}\), we can simplify the expressions inside the square roots first.
Step 1: Simplify the expression inside the numerator's square root.
√56x⁵y⁵ can be simplified as follows:
\(√(8 * 7 * x² * x² * x * y² * y²)\\√(2² * 2 * 7 * x² * x² * x * y² * y²)\\√(2² * 2 * 7 * (x²)² * x * (y²)²)\\2x²y² * √(2 * 7xy)\\\)
Step 2: Divide the simplified expressions.
\((2x²y² * √(2 * 7xy)) / √7xy\)
Step 3: Simplify further by canceling out the square root of 7xy.
The square root of 7xy in the numerator and denominator cancels out, leaving us with:
\(2x^{2} y^{2}\).
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So with these 4 questions i need help answering them, because I cant figure out how to solve them
Answer:
Acute
Step-by-step explanation:
Angel SUT is an acute Angle because it measures less than 90°
the salaries of physicians in a certain speciality are approximately normally distributed. if 25 percent of these physicians earn less than $180,000 and 25 percent earn more than $320,000, approximately what fraction earn
Answer:
We know P(x<$180,000)=.25 and P(x>$320,000)=.25
Using the formula for normal distributions, we can find the mean and standard deviation (z = (x-mean)/SD) using the given info. Then you'll have two equations with two unknowns.
Finally when finding part a, make sure to do a continuity correction [P(x<$200,000) = P(x≤$200,000.5) = ?]
Step-by-step explanation:
If the truck has a mass of 3,000 kilograms, and a velocity of 45 m/s, what is its momentum? show working
Answer: p = 70,000 kg m/s
Step-by-step explanation:
Carrie read 2/3 a book in 1/4 an hour. How much can she read in an hour?
Answer:
2 books an hour
Step-by-step explanation:
Answer:
she can read 2 books in an hour.hope help
Step-by-step explanation:
A chef cooked 6 kilograms of mashed potatoes for a dinner party. If the guests only ate
2/10 of the amount he cooked, how much did they eat?
Answer:
ee
Step-by-step explanation:
e
You arrive at a bus stop at 1:00, knowing that the bus will arrive at some time uniformly distributed between 1:00 and 1:30. a) What is the probability that you will have to wait longer than 10 minutes
Answer:
2/3
Step-by-step explanation:
You arrived at 1:00 and longer than 10 minutes would be at 1:20 and 1:30
that is 2 chances of you waiting longer than 10 minute
Please help and show work only do the left side
bottom was cut off a bit its 4=b
There are 7 teachers going to a 5-day math conference. If registration is $225 for each teacher, how much do the teachers pay?
Answer:
Step-by-step explanation:
7x225 = 1575
The teachers will pay a total of $1,575 for the math conference.
Given that 7 teachers going to a math conference, the fee registration is $225 for each teacher,
We need to find that how much do the pay teachers pay,
To calculate the total amount the teachers pay for the math conference, we need to multiply the number of teachers by the registration fee.
Number of teachers: 7
Registration fee per teacher: $225
Total amount paid by teachers = Registration fee per teacher × Number of teachers attending
Total amount paid by teachers = $225 × 7 = $1575
So, the teachers' pay a total of $1575 for the math conference registration.
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When we describe relationships between variables, a correlation nearer to 1.00 (plus or minus) indicates that?
When we describe relationships between variables, a correlation nearer to 1.00 (plus or minus) indicates the relationship between variables is strong.
The strength and direction of a relationship between two or more variables are described by the statistical measure of correlation, which is given as a number. However, a correlation between two variables does not necessarily imply that a change in one variable is the reason for a change in the values of the other.
When correlation is known, predictions can be made using it. Knowing a score on one measure helps us predict another that is closely related to it more accurately. The forecast will be more accurate the stronger the correlation between/among the variables.
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Score on last try: 0 of 1 pts. See Details for more. You can retry this question below Hint 1 Hint 2 Hint 3 Hint 4 A bug flying horizontally at 0.65 m/s collides and sticks to the end of a uniform stick hanging vertically. After the impact, the stick swings out to a maximum angle of 8.5° from the vertical before rotating back. If the mass of the stick is 10 times that of the bug, calculate the length of the stick. Heads up: this is a challenging problem.
The length of the stick was 7.55 cm.
Given that,
initial speed of bug is given by, v=0.65 m/s
m refers to the mass of bug.
Mass of stick is given by, M= 10m
I refers to the moment of inertia of bug and stick together about the end of the stick.
ω refers to the angular velocity of the bug and stick immediately after collision.
L refers to length of stick
Stick can be considered rod.
Now, moment of inertia about end of a rod is given by = 1/3 ML²
From angular momentum conservation theory we can get,
total initial angular momentum = total final angular momentum
mvL = Iω
mvL = [mL² + 1/3 ML²] ω
mvL = [mL² + 1/3 (10m) L²] ω
0.65 L = 4.333 L²ω
L = 0.15/ω
ω = 0.15/L
Change in vertical position center of mass of rod is given by,
H = L/2 [1 - cos θ]
Change in vertical position of bug after reaching max height is given by,
h = L [1 - cos θ]
From energy conservation law we can conclude that,
Rotational kinetic energy immediately after collision = Potential energy of bug and stick system at max height .
(1/2) [mL² + 1/3 ML²] ω² = mgh + MgH
(1/2) [mL² + 1/3 (10m) L²] ω² = m(gh + 10gH)
2.167 L²ω² = g (h + 10H)
2.167 L² (0.15/L)² = g [L [1 - cos θ] + 5L [1 - cos θ]] (Substituting the relations from previous)
(2.167) (0.15)² = 6 (9.8) L (1 - cos 8.5)
L = 0.0755 m (Rounding off to nearest fourth decimal places)
L = 7.55 cm
Hence the length of the stick was 7.55 cm.
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The question is incomplete. The complete question will be -
Choose the true statement.
-2 > -3
-2 < -3
-2 = -3
Answer:
The True answer is -2>-3
dodie wants to plant roses in her triangular plot. there will be 1 plant at a corner. starting from that corner, each row will have 5 more plants than the row before it. she has 160 rose plants and wants the plot to have as many rows as possible. how many rows will dodie's plot have
Dodie's triangular plot with 160 rose plants will have 12 rows.
To solve it,
Assigning a variable to the number of rows we want to find. Assume that this variable is "n".
Since there are 5 more plants in each row than in the previous row,
We can use an arithmetic sequence to represent the number of plants in each row.
Specifically, the first row will have 1 plant, and the second row will have
1 + 5 = 6 plants, the third row will have 1 + 5 + 5 = 11 plants, and so on.
The formula for an arithmetic sequence is,
an = a1 + (n-1)d
Where an is the nth term of the sequence,
a1 is the first term,
And d is a common difference.
Using this formula, we can write an expression for the total number of plants in all n rows,
160 = n/2 (2 + (n-1)5)
Simplifying this equation, we get,
160 = 2.5n² + 2.5n - 5
Now we can solve for n using the quadratic formula,
n = (-2.5 ± √(2.5²+ 4(2.5)(165)))/(2(2.5))
After simplifying this equation, we get two solutions,
n = -13.2 and n = 12.2.
Since we can't have a negative number of rows, we'll take the positive solution, n = 12.2.
Now, since we can't have a fraction of a row, we'll round down to the nearest integer.
Therefore, Dodie's plot will have 12 rows.
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Use a calculator to evaluate the trigonometric functions of the given anglers. Round your answers to four decimal places. Please help
Answer: figure it out.
Step-by-step explanation: it's not hard, just put it in a calculator, knowledge...