The point-slope form of the equation of a line is given by: y - y1 = m(x - x1)
where (x1, y1) is a point on the line, and m is the slope of the line. To find the slope of a line, we use the slope formula given by: m = (y2 - y1) / (x2 - x1)where (x1, y1) and (x2, y2) are two points on the line.
To find the equation of a line that passes through two given points, we will use the point-slope form of the equation of a line. The point-slope form of the equation of a line is given by:
y - y1 = m(x - x1)
where (x1, y1) is a point on the line, and m is the slope of the line. To find the slope of a line, we use the slope formula given by:m = (y2 - y1) / (x2 - x1)where (x1, y1) and (x2, y2) are two points on the line. Now we can find the equation of the line that passes through the points (10,-6) and (6,6) using the following steps:
Step 1: Find the slope of the line.The slope of the line is given by: m = (y2 - y1) / (x2 - x1)
Where (x1, y1) = (10, -6) and (x2, y2) = (6, 6)m = (6 - (-6)) / (6 - 10)= 12 / (-4)= -3
Therefore, the slope of the line is -3.
Step 2: Choose one of the two points to use in the equation. `Since we have two points, we can use either of them to find the equation of the line. For simplicity, let's use (10, -6).
Step 3: Substitute the slope and the point into the point-slope form of the equation of a line and solve for y.y - y1 = m(x - x1)y - (-6) = -3(x - 10)y + 6 = -3x + 30y = -3x + 24Therefore, the equation of the line that passes through the points (10, -6) and (6, 6) is:y = -3x + 24
To find the equation of a line that passes through two given points, we can use the point-slope form of the equation of a line. The point-slope form of the equation of a line is given by:y - y1 = m(x - x1)where (x1, y1) is a point on the line, and m is the slope of the line. To find the slope of a line, we use the slope formula given by:m = (y2 - y1) / (x2 - x1)where (x1, y1) and (x2, y2) are two points on the line. Once we have found the slope of the line, we can choose one of the two points and substitute the slope and the point into the point-slope form of the equation of a line and solve for y. This will give us the equation of the line. In this problem, we were given the points (10, -6) and (6, 6) and asked to find the equation of the line that passes through them. Using the slope formula, we found that the slope of the line is -3. We then chose the point (10, -6) and substituted the slope and the point into the point-slope form of the equation of a line and solved for y. This gave us the equation of the line:y = -3x + 24.
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Sam has a collection of stamps. For every 18 dinosaur stamps, he has 12 airplane stamps. Sam wrote a ratio for dinosaur stamps to airplane stamps as 12 to 18. Did he write his ratio correctly? Justify your answer
On a recent math test, Alfred was asked to write an equation for the following problem:
Jenny bought 2 bags of carrots for her 6 rabbits. In the 2 bags of carrots, there are 52 carrots. How many carrots will each rabbit get if Jenny divides them equally for her 6 rabbits? Alfred wrote the expression: 52 ÷ 2. Is Alfred correct? Explain why or why not.
Given the ratio for dinosaur stamps to airplane stamp, the correct ratio is 18 : 12
How to find ratioDinosaur stamps = 18
Airplane stamps = 12
John wrote:
ratio of dinosaur stamps to airplane stamps = 12 to 18
Correct ratio:
ratio of dinosaur stamps to airplane stamps = 18 : 12
= 18/12
= 3/2
= 3 : 2
Bags of carrots = 2Number of carrots in both bags = 52 Number of rabbits = 6Number of carrots per rabbits = 52 ÷ 6
= 8.67 carrots per rabbits.
Therefore, Jenny's expression is correct.
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How many 4-letter “words” can be made using all the letters in BEEP, if the two Es are indistinguishable? Two such “words” to include are BEEP and EBEP.
Answer:
10
BEEP
BPEE
BEPE
EEPB
EEBP
EBEP
EPEB
PBEE
PEEB
PEBE
Answer:
12
Step-by-step explanation:
4! is 4*3*2*1
since there were 4 letters 4 could be chosen at the first letter
since one of the letters were chosen only 3 could be chosen as the second letter
and then it is 2 because there are 2 letters left
and 1 because there is only 1 letter left
so 4!
Then you divide by 2 because the 2 es are indistinguishable
is 4*10^4 greater than 3*10^5
717177Step-by-step explanation:
Answer:
no
Step-by-step explanation:
if you're referring to 4 multiplied by 10 to the 4th power (10^4) and 3 multiplied by 10 to the 5th power (10^5) then no. because the first equation comes out to 40,000 and the second one comes out to 300,000.
(x³ -9) : (x ² + 1)
It can be seen that the expression simplifies to x - 1.
How to solveThis division is typically performed using polynomial long division or synthetic division.
However, because the degree of the numerator (3) is just one more than the degree of the denominator (2), we can directly look for a simple expression in the form of x + a, where 'a' is a constant.
Solving for 'a', we get \((x^3 - 9) = (x^2 + 1)(x + a). \\\)
Expanding the right side, it's \(x^3 + ax^2 + x + a.\)
Equating coefficients, a = -1, as there is no \(x^2\) term on the left side.
So, the expression simplifies to x - 1.
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The Complete Question
(x³ -9) : (x ² + 1)
divide the polynomial (x³ - 9) by the polynomial (x² + 1).
An airline claims that it rarely loses a passenger's checked luggage, and, if checked luggage is lost, 90% of the luggage is recovered and returned to the owner within 24 hours. A consumer group believes the 24-hour recovery rate of lost luggage is actually lower (worse) than the airline's claim. They surveyed a large random sample of the airline's customers and found that 103 of 122 people who had lost luggage were reunited with the missing items within 24 hours. Is this enough evidence to claim the proportion of people who lost luggage with this airline a
The number that corresponds to the null hypothesis and the alternative hypothesis will be 3 and 6 respectively.
What is a null hypothesis?Specify the correct number from the list below that corresponds to the appropriate null and alternative hypotheses for this problem.
It should be noted that the null hypothesis suggests that there's no statistical relationship between the variables.
The alternative hypothesis is different from the null hypothesis as it's the statement that the researcher is testing.
In this case, the number that corresponds to the null hypothesis and the alternative hypothesis will be 3 and 6 respectively.
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If you invest $1500 in at an interest rate of 7% for 5 years and the interest is compounded quarterly, how much money will you have after the 5 years? Round your answer to the nearest cent.
Answer:
$2122.17 (correct to the nearest cent).
Explanation:
To find the amount after 5 years, we use the compound interest formula below:
\(\begin{gathered} A=P(1+\frac{i}{k})^{nk} \\ \text{Principal, P}=1500 \\ Interest\text{ Rate, i =7\%} \\ \text{Period, k=4 (Quarterly)} \\ \text{Number of years, n=5} \end{gathered}\)Substitute the given values:
\(\begin{gathered} A=1500(1+\frac{0.07}{4})^{4\times5} \\ =1500(1+0.0175)^{20} \\ =1500(1.0175)^{20} \\ =\$2122.17 \end{gathered}\)After 5 years, you will have $2122.17 (correct to the nearest cent).
What is the volume of the rectangular prism - i ready. 1/3 ft some of. The answers 1 1/9 feet3- 10 ft3 - 2/9 ft3 - 3 1/3 ft3
Answer:
\(3\frac{1}{3}\ ft^3\)
Step-by-step explanation:
A rectangular prism is a polyhedron with six rectangular faces. The volume of a prism is given by:
Volume = width * height * length
From the diagram, the rectangular prism is made up of cubes. Each cube is has a size of 1/3 ft by 1/3 ft.
The height of the prism is made up of 5 cubes. Height = 5 * 1/3 = 5/3 ft.
The length of the prism is made up of 3 cubes. length = 3 * 1/3 = 1 ft.
The width of the prism is made up of 2 cubes. Width = 2 * 1/3 = 2/3 ft.
The volume of the prism = width * height * length = 2/3 * 5/3 * 1 = 10/9 ft³ = \(3\frac{1}{3}\ ft^3\)
Answer:
it is 3 1/3 good day
Step-by-step explanation:
A seal swims on a bearing of 055 degrees for 4km. How far north is the seal from its starting point?
Using the concept of bearing and displacement, the seal is 3.276km from it's starting point.
How far north is the seal from its starting point?To determine how far north the seal is from its starting point, we need to find the northward component of its displacement.
Given that the seal swims on a bearing of 055 degrees, we can consider this as the direction with respect to true north. To find the northward component, we need to calculate the sine of the angle.
The northward component can be found using the formula:
Northward component = Displacement * sin(Bearing)
In this case, the displacement is 4 km, and the bearing is 055 degrees.
Northward component = 4 km * sin(55 degrees)
Using a calculator, we find that sin(55 degrees) ≈ 0.8192.
Northward component ≈ 4 km * 0.8192
Northward component ≈ 3.276 km
Therefore, the seal is approximately 3.2768 km north of its starting point.
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Which statement describes how to determine if a relation given in a table is a function?
If none of the output values are repeated, the relation is a function.
If none of the input values are repeated, the relation is a function.
If any of the input values are equal to the output values, the relation is a function.
If all the output values are paired with the same input value, the relation is a function
Answer:
B
Step-by-step explanation:
Solve for r 0.5(r+2.75) = 3
Answer:
r+2.75=3÷0.5
r+2.75=6
r=6-2.75=3.25
Answer:
3.25
Step-by-step explanation:
It's the answer on Khan
refer to exercise 7.11. suppose that in the forest fertilization problem the population standard deviation of basal areas is not known and must be estimated from the sample. if a random sample of n = 9 basal areas is to be measured, find two statistics g1 and g2 such that p (g1 ≤ ( y - u ) ≤ g2 ) = 90
Confidence interval = (y ± t∗s/√n)g1 = y - t*s/√ng2 = y + t*s/√n Substituting the values, g1 = 26.22 - 1.860*(0.11)/√9 = 25.84g2 = 26.22 + 1.860*(0.11)/√9 = 26.59Therefore, the statistics g1 and g2 that will satisfy the required inequality are 25.84 and 26.59 respectively.
The formula for finding the confidence interval is as follows: n − 1, where t is the value of the t-distribution corresponding to the specified confidence level and the sample size minus one.
As per the given exercise 7.11, suppose that in the forest fertilization problem the population standard deviation of basal areas is not known and must be estimated from the sample.
If a random sample of n = 9 basal areas is to be measured, find two statistics g1 and g2 such that p(g1 ≤ (y - u) ≤ g2) = 90
To find the statistics g1 and g2 that will satisfy the required inequality
the following formula can be used: Confidence interval = \((y ± t∗s/√n)\)
From the formula, we can see that the confidence interval depends on the values of y, s, t and n.
The value of y is the sample mean
the value of s is the sample standard deviation
And the value of n is the sample size.
The value of t depends on the confidence level desired and the degrees of freedom for the t-distribution. In this case, the confidence level is 90%, which means that we want to find the value of t that will give us a total area of 0.90 under the t-distribution curve with 8 degrees of freedom .Using the t-table, the value of t can be found to be 1.860, where the value for 90% and 8 degrees of freedom is 1.860.t = 1.860Now, we need to calculate the value of s, which is the sample standard deviation.
Since we do not have any information about the population standard deviation, we will use the sample standard deviation as an estimate of the population standard deviations = σ/√nσ = s*√nσ = 0.11*√9σ = 0.33Substituting the values in the confidence interval formula
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find an equation of the plane through the point and perpendicular to the line
To find an equation of a plane through a given point and perpendicular to a given line, you can follow these steps:
1. Find the direction vector of the given line. This can be done by subtracting the coordinates of any two points on the line. Let's denote this vector as "d".
2. Find the normal vector of the plane. Since the plane is perpendicular to the line, its normal vector will be the same as the direction vector of the line. So, the normal vector of the plane is "d".
3. Use the coordinates of the given point on the plane to find the equation of the plane. Let's denote the coordinates of the point as (x₀, y₀, z₀).
The equation of the plane can be written as:
Ax + By + Cz = D,
where A, B, C are the components of the normal vector "d", and x, y, z are the variables representing any point on the plane.
To find the values of A, B, C, and D, substitute the coordinates of the given point into the equation:
A(x₀) + B(y₀) + C(z₀) = D.
Therefore, the equation of the plane through the given point and perpendicular to the line is:
d₁(x - x₀) + d₂(y - y₀) + d₃(z - z₀) = 0,
where (d₁, d₂, d₃) are the components of the direction vector "d" of the line, and (x₀, y₀, z₀) are the coordinates of the given point.
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Find the equation of the plane passing through the point (−1,3,2) and perpendicular to each of the planes x+2y+3z=5 and 3x+3y+z=0.
Help!!
(a)
Ship A is North-East of O.
What is the three-figure bearing of North-East?
(b)
Ship A sails directly to O.
In which direction does it travel?
Answer:
I don't under stat it write the whole question
if a point is on the perpendicular bisect or if a segment then what is it
Answer: It is equidistant from the segment's endpoints
Step-by-step explanation: This can also be called "a locus of point" and this is now the perpendicular bisector theorem.
true or false? in every instance of the stable matching problem, there is a stable matching containing a pair (m, w) such that m is ranked first on the preference list of w and w is ranked first on the preference list of m
The statement "in every instance of the stable matching problem, there is a stable matching containing a pair (m, w) such that m is ranked first on the preference list of w and w is ranked first on the preference list of m" is true.
Stable pairing is a way which guarantees that all elements from two sets (men and women, children and toys, people and vacation destinations, whatever) are paired with an element from the other set AND that pair is the "best available match".
According to the statement, men are free to create a list of women's according to their preferences. There will be order sequence of women and men places them in queue of their preference. The men proposes the women with highest ranking in the list then it is possible that all men gets their preferred choice.
The pairing is a best available match and therefore can be called as a stable matching problem. Hence the statement is true.
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How do you find the mean of 5?
The mean of given data is 5.
To find: Mean of the given data
Given data: 5
Mean: Mean is the average of the given numbers and is calculated by dividing the sum of given numbers by the total number of numbers.
Mean=Sum of observations / Number of observationsHere sum of observation is 5
Arithmetic mean refers to the average amount in a given group of data. It is defined as the summation of all the observation is the data which is divided by the number of observations in the data
Total number of observation is 1
The number of observations provides information on the total number of values that are contained in the Dataset. This property is intended to provide an indication of the size of a Dataset
Now substitute the values in above formula
=\(\frac{5}{1}\)=5
Therefore, the mean is 5.
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The center and a point on a circle are given. Find the circumference to the nearest tenth.
center:(−15, −21);
point on the circle: (0, −13)
The circumference is about ?
Answer:
Circumference ~ 106.8
Step-by-step explanation:
Use the distance formula to find the radius of the circle with the two coordinates given. The radius of this circle is 17. Plug 17 into the formula 2(pi)r to find the Circumference. The answer is 106.8 rounded to the nearest tenth.
Sharlene purchased a new truck, whose value over time depreciates. Sharlene's truck depreciates according to the function y = 45,529(0.78)x, where x represents the number of months since the truck was purchased. What is the range of the exponential function y based on its equation and the context of the problem?
Based on the context of the problem, the range of the exponential function y = \(45,529(0.78)^x\) is y > 0.
The exponential function for depreciation given in the problem is:
y = 45,529(0.78)^x
This function gives us the value of Sharlene's truck in dollars after x months of ownership, assuming that the depreciation follows a constant rate and is modeled by an exponential function.
To find the range of the function, we need to consider the minimum value that y can take. Since depreciation leads to a decrease in value over time, y should always be greater than zero. In other words, the range of the function is:
y > 0
In practical terms, this means that Sharlene's truck will always have some positive value, even if its market value has decreased due to depreciation. In other words, a truck is never worth zero or less than zero (unless it has additional debts associated with it), and Sharlene's truck will always have some resale or scrap value even if it has depreciated significantly.
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Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the
correct position in the answer box. Release your mouse button when the item is place. If you change your mind, drag
the item to the trashcan. Click the trashcan to clear all your answers.
Find the area of the shaded portion intersecting between the two circles.
A= ??/? Pi - ? Square root ?
The area of the shaded region is 200. 96 square units
How to determine the area
From the diagram shown, we have that the shape of the shaded area is spherical.
Now, the formula for calculating the area of a sphere is expressed as;
A = 4πr²
Such that the parameters of the formula are expressed as;
A is the arear is the radiusSubstitute the values, we have;
Area = 4 × 3.14 × 4²
Find the squares, we have;
Area = 4 × 3.14 ×16
Multiply the values, we have;
Area = 200. 96 square units
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Question 1 (Essay Worth 10 points)
(4.01 MC)
A candle burns down at the rate of 0.5 inches per hour. The original height of the candle was 8 inches.
Part A: Write a list of 6 ordered pairs to show the height of the candle in inches (y) as a function of time in hours (x) from the first hour after it started burning. For example, the point (0, 8) would represent a height of 8 inches after 0 hours. Explain how you obtained the ordered pairs. (5 points)
Part B: Is this relation a function? Justify your answer using the list of ordered pairs you created in Part A. (2 points)
Part C: If the rate at which the candle burned was 0.4 inches per hour instead of 0.5 inches per hour, would the relation be a function? Explain your answer using input and output values. (3 points)
The linear equations of the candles are y = 0.5x + 8 and y = 0.4x + 8. And both relationships are the function.
What is the linear system?A linear system is one in which the parameter in the equation has a degree of one. It might have one, two, or even more variables.
A candle burns down at the rate of 0.5 inches per hour.
The original height of the candle was 8 inches.
Let y be the height of the candle and x be the number of hours.
Then the linear equation will be given as
\(\rm y = mx + c\)
where m is the rate and c is the initial value. Then the linear equation of the candle will be
y = -0.5 x + 8
The function is a linear function.
If the value of m is replaced by 0.4. Then the linear equation will be
y = 0.4x + 8
And this will also be a linear function.
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What is the slope of the line passing through (16, -2) and (-30, 6)?
\(m=\frac{\Delta y}{\Delta x}=\frac{-2-6}{16-(-30)}=\frac{-8}{46}=\boxed{-\frac{4}{23}}\).
Hope this helps.
pls help
Which of the sets of ordered pairs represents a function? (5 points)
A = {(3, −5), (4, 6), (−3, 9), (2, 7)}
B = {(2, 4), (−1, −7), (5, 6), (4, 3)}
What is the probability formula?
Answer:
P(A) = f / N
Step-by-step explanation:
Probability determines the likelihood of an event occurring: P(A) = f / N. Odds and probability are related but odds depend on the probability. You first need probability before determining the odds of an event occurring.
on a hot day, students are lining up to buy ice cream. let l be the number of people in line. write a differential equation for l using the following assumptions.
Suppose that you randomly selected 22 adults. Assume 14% of the population smoke. Round all answers to 2 decimal places. a) Using the Range Rule of Thumb, what is the minimum number of usual smokers we can expect to get out of 22 adults?
Thus, minimum of 3 usual smokers out of 22 adults is found when using the Range Rule of Thumb.
Using the Range Rule of Thumb, we can estimate the minimum number of usual smokers in a sample of 22 adults by considering the expected proportion of smokers in the population and applying it to the sample size.
According to this rule, the range of a distribution can be approximated as six times the standard deviation.
To estimate the minimum number of usual smokers we can expect to get out of 22 adults, we first need to find the standard deviation.
Given that 14% of the population smokes, we can express this proportion as a decimal: 0.14.
To determine the expected number of smokers in the sample, we simply multiply the proportion by the sample size: 0.14 * 22 = 3.08.
Since we cannot have a fraction of a person, we round the result to the nearest whole number.
In this case, we can expect a minimum of 3 usual smokers out of 22 adults when using the Range Rule of Thumb.
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Look at the graph of the linear function. On a coordinate plane, a line goes through 4 points. Point A is (negative 2, negative 4), point B is (negative 1, negative 2), point C is (1, 2), and point D is (2, 4). The rate of change between point A and point B is 2. What is the rate of change between point C and point D? –2 Negative one-half One-half 2 Mark this and return
Using it's concept, the rate of change between point C and point D is of 2.
What is the average rate of change of a function?The average rate of change of a function is given by the change in the output divided by the change in the input. Hence, over an interval [a,b], the rate is given as follows:
\(r = \frac{f(b) - f(a)}{b - a}\)
Considering the points of the given linear function, we have that:
Point C: f(1) = 2.Point D: f(2) = 4.Hence the rate of change between point C and point D is given by:
r = (4 - 2)/(2 - 1) = 2.
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evaluate the integral ∫sin3 t cos t dt by making the substitution u = sin t. after substituting we have: (in terms of u, du, and c). ∫ _____ = _____. After resubstituion we have: (in terms of t and c). ∫sin3 t cos t dt = ____
Hello! I'd be happy to help you evaluate the integral ∫sin³(t)cos(t)dt using the substitution u = sin(t). Let's follow the steps:
1. Substitute: Replace sin(t) with u, so sin³(t) becomes u³. To find the differential, take the derivative of the substitution equation: du/dt = cos(t).
2. Rewrite integral: Multiply both sides of the equation du/dt = cos(t) by dt to get du = cos(t)dt. Now, the integral becomes ∫u³du.
3. Evaluate the integral: To evaluate ∫u³du, use the power rule for integration, which is ∫u^n du = (u^(n+1))/(n+1) + C. In this case, n = 3, so we have:
∫u³du = (u^4)/4 + C.
4. Resubstitute: Replace u with the original expression, sin(t), to obtain the final answer:
∫sin³(t)cos(t)dt = (sin^4(t))/4 + C.
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To evaluate the integral ∫sin3 t cos t dt by making the substitution u = sin t, we need to follow these steps:
1. First, we need to express sin3 t in terms of u. Using the identity sin^2 t = 1 - cos^2 t, we can rewrite sin^3 t as sin t * sin^2 t = sin t * (1 - cos^2 t) = sin t - sin t * cos^2 t. Since u = sin t, we can substitute sin t = u and cos t = √(1 - u^2) to get sin^3 t = u - u * √(1 - u^2).
2. Next, we need to find the derivative of u with respect to t, which is du/dt = cos t. We can solve for dt in terms of du by rearranging to get dt = du/cos t. Since we have cos t = √(1 - sin^2 t) = √(1 - u^2), we can substitute cos t = √(1 - u^2) and dt = du/√(1 - u^2).
3. Now we can substitute u and du/√(1 - u^2) into the integral to get: ∫(u - u * √(1 - u^2)) * √(1 - u^2) * (du/√(1 - u^2)).
4. Simplifying the expression gives us: ∫(u√(1 - u^2) - u^3) du.
5. Integrating this expression gives us: (1/2) * (1 - u^2)^(3/2) - (1/4) * u^4 + C, where C is the constant of integration.
6. Finally, we need to substitute back u = sin t to get the final answer in terms of t: (1/2) * (1 - sin^2 t)^(3/2) - (1/4) * sin^4 t + C.
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what is the equation of the line in slope-intercept form?
The linear function for this problem is defined as follows:
y = x + 50.
How to define a linear function?The slope-intercept equation for a linear function is presented as follows:
y = mx + b
In which:
m is the slope.b is the y-intercept.The graph touches the y-axis at y = 50, hence the intercept b is given as follows:
b = 50.
When x increases by 10, y also increases by 10, hence the slope m is given as follows:
m = 10/10
m = 1.
Hence the function is given as follows:
y = x + 50.
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PLS HELP TIMED QUESTION (I'll mark brainiest)
Please show work if possible.
Hello,
\(sin(45^o)=\dfrac{\sqrt{2} }{2} \\\\sin(45^o)=\dfrac{a}{c} \\\\\dfrac{\sqrt{2} }{2}=\dfrac{a}{6} \\\\a=6*\dfrac{\sqrt{2} }{2}=3\sqrt{2}\\\)
Answer A
a study showed that a decrease in the costs of carrots led to an increase in the number of carrots. which statements best describes this relationship