Point D is located on MV. The coordinates of D are (0,-3/4). Questions:
1 - What ratio relates MD to DV?
2 - What fraction of the distance from M to V is MD?
3 - What ratio relates DV to MD?
Answers
The ratio relating MD to DV is 3/4 : 0, which simplifies to infinity or undefined. The ratio relating DV to MD is 0 : 3/4, which simplifies to 0.
1 - The ratio that relates MD to DV can be determined by comparing the distances between the points.
To find the ratio, we need to calculate the lengths of MD and DV. Given that the coordinates of D are (0, -3/4) and the coordinates of V are (0, 0), we can see that MD is the vertical distance from D to the x-axis and DV is the vertical distance from V to the x-axis.
The length of MD is 3/4 since the y-coordinate of D is -3/4.
The length of DV is 0 since the y-coordinate of V is 0.
Therefore, the ratio relating MD to DV is 3/4 : 0, which simplifies to infinity or undefined.
2 - To determine the fraction of the distance from M to V that MD represents, we need to compare the lengths of MD and MV.
The length of MV can be found by comparing the y-coordinates of M and V. Given that the y-coordinate of M is 0 and the y-coordinate of V is 0, the length of MV is 0.
The length of MD is 3/4 since the y-coordinate of D is -3/4.
Therefore, the fraction of the distance from M to V that MD represents is 3/4 : 0, which is undefined.
3 - The ratio that relates DV to MD can be obtained by comparing the distances between the points.
The length of DV is 0 since the y-coordinate of V is 0.
The length of MD is 3/4 since the y-coordinate of D is -3/4.
Therefore, the ratio relating DV to MD is 0 : 3/4, which simplifies to 0.
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Related Questions
2) A sequence is defined using a recursive definition as:
Answers
Answer
Picture too blurry
Step-by-step explanation:
There are 70,000 bacteria present in a culture. An antibiotic is introduced to the culture and the number of bacteria is reduced by half every 4 hours. Which of the following statements are true? Select all that apply.
A.) two hours after the antibody is introduced , there are 35000 bacteria present in the culture
B.) 24 hours after the antibiotic is introduced , the number if bacteria in the culture is reduced to 1093
C.) the number of present in the culture during the 24 hours after the the antibiotic is introduced is an example of exponential decay
D.) the half-life of the bacteria after the antibiotic is introduced is 2 hours
E.)the function B(x)=70000(0.5)^x where x is the number of 4 hour periods represents the amount of bacteria present after the antibiotic is introduced
Answers
Answer:
c
Step-by-step explanation:
the number of bacteria is introduced
The function B(x) = 70000(0.5)ˣ, where x represents the number of 4 hour periods, represents the amount of bacteria present after the antibiotic is introduced. Therefore, option D is the correct answer.
What is the exponential function?Exponential function, as its name suggests, involves exponents. But note that, an exponential function has a constant as its base and a variable as its exponent but not the other way round (if a function has a variable as the base and a constant as the exponent then it is a power function but not an exponential function).
In any situation where an amount grows or declines by a set percent every time period can be represented using an exponential function. Since the amount of bacteria is reduced by half, or 50%, every 4 hours, this is exponential decay.
Exponential functions such as this are of the form
y = a(1+r)ˣ, where a represents the initial population, r is the percent of growth or decrease, and x is the number of time periods. In this situation, the initial population, a, is 70000. Since the number of bacteria decreases by half, r = -0.50. This gives us
y = 70000(1+-0.50)ˣ, or y = 70000(0.50)ˣ.
In 24 hours, there are 6 4-hour periods. This means x = 6; this gives us
y = 70000(0.50)⁶ = 1093.75.
Therefore, option D is the correct answer.
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HELP ME PLEASE FOR 20 POINTS
Answers
can send full pictures to me
plzzzzzzzzzzz help!!!!
Answers
__________
\( \: \)
Step by step ;\( \sqrt{1,69} = ...\)
\( = {1,69}^{ \frac{1}{2} } \)
\( = \bold{1,3}\)
Soo, asnwer for Question \(\sqrt{1,69} = 1,3\)
Points A(-l, y) and B(5,7) lie on a circle with centre 0(2, -3y). Find the values of y. Hence, find the radius of the circle
Answers
Answer:
The answer is below
Step-by-step explanation:
Points A(-l, y) and B(5,7) lie on a circle with centre O(2, -3y). This means that AB is the diameter of the circle and OA = OB = radius.
For two points X(\(x_1,y_1\)) and Y(\(x_2, y_2\)), the coordinates of the midpoint (x, y) between the two points is given as:
\(x=\frac{x_1+x_2}{2},y=\frac{y_1+y_2}{2}\).
For A(-l, y) and B(5,7) with center O(2, -3y), the value of y can be gotten by:
\(For\ x\ coordinate:\\2=\frac{-1+5}{2}\\ 2=2.\\For\ y\ coordinate:\\-3y=\frac{y+7}{2}\\ -6y=y+7.\\-6y-y=7\\-7y=y\\y=-1\)
The value of y is -1. Therefore A is at (-1, -1) and O is at (2, -3(-1))= (2, 3)
The radius of the circle = OA. The distance between two points X(\(x_1,y_1\)) and Y(\(x_2, y_2\)) is given as:
\(|OX|=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2} \\\\Therefore\ the\ radius \ |OA|\ is :\\|OA|=\sqrt{(2-(-1))^2+(3-(-1))^2}=\sqrt{25}=5\)
The radius of the circle is 5 units
in a study, the content of caffeine in brewed coffee was determined. the values for 6 trials were 381 mg/l, 405 mg/l, 399 mg/l, 402 mg/l, 395 mg/l, and 404 mg/l. for a confidence level of 99%, what is the value of t?
Answers
The value of t for a confidence level of 99% and 5 degrees of freedom is 4.032.
The confidence interval is calculated based on the sample mean, the sample standard deviation, the sample size, and the chosen confidence level.
Given the values of caffeine content in 6 trials: 381 mg/l, 405 mg/l, 399 mg/l, 402 mg/l, 395 mg/l, and 404 mg/l.
Sample mean = (381 + 405 + 399 + 402 + 395 + 404) / 6 = 396 mg/l
Sample standard deviation = √([(381-396)² + (405-396)²+ (399-396)² + (402-396)² + (395-396)² + (404-396)²] / (6-1)) = 9.29 mg/l
To calculate the value of t for a confidence level of 99%, we need to look up the t-distribution table with degrees of freedom (df) = n-1 = 5 and the chosen significance level (α) = 0.01 (since we want to calculate the 99% confidence interval, which leaves 1% of the distribution in the tails).
Looking up the t-value from the table, we find that t = 4.032.
Therefore, the value of t for a confidence level of 99% and 5 degrees of freedom is 4.032.
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Mrs Smith walks a half a mile a day after work. She works five days a week. How many yards will she have walked for the week by Friday morning?
Answers
The distance Mrs. Smith covers is 3520 yards during the duration of the week by Friday morning.
One week has seven days in total.
Mrs. Smith walks half a mile each day after work, she walks a total of
0.5 miles/ day × 7 days/ week = 3.5 miles/ week
Now, if we calculate the distance on Friday morning, she must have walked four times till Friday morning since she has to walk after her work.
Therefore,
0.5 miles/ day × 4 days = 2 miles
To convert miles to yards, we can use the fact that there are 1760 yards in one mile:
2 miles/week × 1760 yards/mile = 3520 yards/week
Therefore, by Friday morning, Mrs. Smith will have walked 3520 yards.
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sherry buys a 5-ounce cup of ice cream. the summer heat melts the ice cream before she can eat any. what describes the weight of the melted ice cream?
Answers
The weight of the melted ice cream would be the same as the weight of the original ice cream, which is 5 ounces.
a quantity or thing weighing a fixed and usually specified amount. : a heavy object (such as a metal ball) thrown, put, or lifted as an athletic exercise or contest. 3. : a unit of weight or mass see Metric System Table.
When the ice cream melts, it undergoes a change in state from solid to liquid, but the total mass or weight remains unchanged. Therefore, the weight of the melted ice cream is still 5 ounces.
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View Policies Current Attempt in Progress Using the information provided in the table, the network diagram and the project completion time = 25 weeks, reduce the completion time of the project by 5 we
Answers
Strategies such as fast-tracking, crashing, prioritization, and resource optimization can be employed to reduce the project completion time by 5 weeks.
To reduce the completion time of the project by 5 weeks, we need to analyze the provided information and make appropriate adjustments. The initial completion time of the project is 25 weeks.
To achieve a reduction of 5 weeks, we can consider several strategies:
1. Fast-tracking: This involves overlapping or parallelizing certain project activities that were initially planned to be executed sequentially. By identifying tasks that can be performed concurrently, we can potentially save time. However, it's important to evaluate the impact on resource allocation and potential risks associated with fast-tracking.
2. Crashing: This strategy focuses on expediting critical activities by adding more resources or adopting alternative approaches to complete them faster. By compressing the schedule of critical tasks, we can reduce the overall project duration. However, this may come at an additional cost.
3. Prioritization: By reevaluating the project tasks and their priorities, we can allocate resources more efficiently. This ensures that critical activities receive higher attention and are completed earlier, resulting in an accelerated project timeline.
4. Resource optimization: Analyzing the resource allocation and identifying potential areas for optimization can lead to time savings. By ensuring that resources are utilized effectively and efficiently, we can streamline the project execution process.
It's important to note that implementing any of these strategies requires careful evaluation, considering factors such as project constraints, risks, cost implications, and stakeholder agreements. A comprehensive analysis of the project plan, resource availability, and critical path can guide the decision-making process for reducing the project completion time.
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What is the ratio 4:6 in its simplest form
Answers
Answer:
2 : 3
Step-by-step explanation:
4 : 6
Divide each by 2
2 : 3
Answer:
2:3
Step-by-step explanation:
4:6 is the same as 4/6.
And if we divide by 2 so we get 2/3 also known as 2:3.
Hope this helped :D
PLEASE HELP! You are covering the metal wedge below with a thin layer of high-conducting silver (surface area). The measurements shown are in centimeters. Find the cost of covering the wedge in silver, if silver plating costs $3 for every 2 square centimeters.
Answers
The cost of covering the triangular prism wedge in silver is: $108.
What is the Surface Area of a Triangular Prism?Surface area = (s1 + s2 + s3)L + bh.
Given the following:
s1 = 10s2 = 8s3 = 6L = 0.5b = 6 h = 8Plug in the values into the formula
Surface area of the triangular prism metal wedge = (10 + 8 + 6)0.5 + (6)(8)
Surface area of the triangular prism metal wedge = 72 cm²
Cost of covering = 72/2 × 3 = $108
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Pls help I’ll mark u brain.
Answers
Answer:
the value of B is 12 times more than a
b = a * 12
Answer: 1. 12 times the value of a
2. B=12a
Step-by-step explanation:
0 and 0 indicate that it cannot be more(there are other ways)
and the ratio 2:24 simplifies to 1(a):12(b)
Zip codes are numerical designations of locations for the purpose of mail delivery. The following histogram summarizes the number, in hundreds, of zip codes assigned to each state in the United States.
The five-number summary for these data is given below. How many high outliers are there in the data set?
Answers
Any state with a number of zip codes greater than 23.5 hundred would be considered a high outlier.
How can we determine the number of high outliers?Since the five-number summary for the data is not provided in the question, we cannot determine the number of high outliers. However, we can explain how to find the number of high outliers using the five-number summary.
To find the number of high outliers, we need to first calculate the interquartile range (IQR), which is the difference between the third quartile (Q3) and the first quartile (Q1). Any data point that is greater than Q3 + 1.5 × IQR is considered a high outlier.
The five-number summary consists of the minimum value, Q1, Q2 (the median), Q3, and the maximum value of the data set. Let's assume that the five-number summary for the data set is given as follows:
- Minimum value: 2
- Q1: 6
- Q2 (median): 9
- Q3: 13
- Maximum value: 30
To find the IQR, we can subtract Q1 from Q3:
```
IQR = Q3 - Q1 = 13 - 6 = 7
```
To find the high outliers, we need to add 1.5 times the IQR to Q3 and consider any zip codes greater than this value as high outliers:
```
High outliers = Q3 + 1.5 × IQR
High outliers = 13 + 1.5 × 7
High outliers = 13 + 10.5
High outliers = 23.5
```
Therefore, any state with a number of zip codes greater than 23.5 hundred would be considered a high outlier. Since we do not know the actual number of zip codes assigned to each state, we cannot determine the number of high outliers.
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3) (2 Marks) Find the range and codomain of the matrix transformation T A
, where A= \( {\left[\begin{array}{cc}1 & 2 \\ 1 & -2 \\ 0 & 1\end{array}\right] \). Is the result true if the functions are not linear? Justify your \( } \) answer.
Answers
T A can be seen as a linear transformation from R^2 to R^3.
To find the range and codomain of the matrix transformation T A, we need to first determine the matrix T A . The matrix T A is obtained by multiplying the input vector x by A:
T A (x) = A x
Therefore, T A can be seen as a linear transformation from R^2 to R^3.
To determine the range of T A , we need to find all possible outputs of T A (x) for all possible inputs x. Since T A is a linear transformation, its range is simply the span of the columns of A. Therefore, we can find the range by computing the reduced row echelon form of A and finding the pivot columns:
A = (\left[\begin{array}{cc}1 & 2 \ 1 & -2 \ 0 & 1\end{array}\right]) ~ (\left[\begin{array}{cc}1 & 0 \ 0 & 1 \ 0 & 0\end{array}\right])
The pivot columns are the first two columns of the identity matrix, so the range of T A is spanned by the first two columns of A. Therefore, the range of T A is the plane in R^3 spanned by the vectors [1, 1, 0] and [2, -2, 1].
To find the codomain of T A , we need to determine the dimension of the space that T A maps to. Since T A is a linear transformation from R^2 to R^3, its codomain is R^3.
If the functions were not linear, it would not make sense to talk about their range or codomain in this way. The concepts of range and codomain are meaningful only for linear transformations.
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due today no link no files please
Answers
Answer:
I'm pretty sure it is "5"
Step-by-step explanation:
hope this helps
Which answer choice correctly represents the relationship between 2/3 / (1/8)
and 2 /3 * 8/ 1 ?
A 2 3 / 1 8 ne 2 3 * 8 1
B 2/3 / (1/8) < 2/3 * 8/1
C 2/3 / (1/8) > 2/3 * 8/1
D 2/3 / (1/8) = 2/3 * 8/1
Answers
We can simplify 2/3 / (1/8) as follows:
2/3 / (1/8) = 2/3 * 8/1 (dividing by a fraction is the same as multiplying by its reciprocal)
= 16/3
Therefore, the relationship between 2/3 / (1/8) and 2/3 * 8/1 is:
2/3 / (1/8) = 16/3 = 2/3 * 8/1
So the correct answer is (D) 2/3 / (1/8) = 2/3 * 8/1.
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The sum of 8 & 10 as a algebraic expression
Answers
Answer:
8 + 10
Step-by-step explanation:
Step 1: Define sum
The sum of any 2 numbers means "add" or "combine" the 2 numbers together.
Step 2: Write out expression
"Sum" = add or +
8 + 10
What is the value of x in the triangle?
Answers
I NEED HELP IMMEDIATELY!!!! PLS HELPP. PLS DO NOT GUESS EITHER BUT PLS CMON AND HELP ME PLSSS
Answers
Answer:
(-1, -0.5)
Step-by-step explanation:
It is between -1 and 0 and it is on -1
Oregon has 190 golf courses with a population of 4,301,089. How many golf courses does Oregon have per 100,000 people? Round to the nearest whole number.
Answers
Oregon has 5 golf course per 100,000 people.
How to perform butterfly method of multiplication?The butterfly method for adding or subtracting fractions is:
Write the fractions side by side as you normally would, but this time draw two wings along the diagonals formed by the numerator of one fraction and the denominator of the other fraction.
Multiply the numbers in each wing as shown by the wings, which resemble a multiplicand.
To give it a body, join the lower halves of the wings together to form a loop that resembles a body. Then, multiply the two denominators it joins to place the result within the body.
Adjust the numbers in the antennas in accordance with how fractions are being altered, then add or subtract the resulting value from the body number.
If required, simplify or minimize the outcome.
Given that the golf course for 4301089 people is 190.
4201089 = 190
100000 = x
Using the butterfly method for multiplication we have:
x = 190 * 100000 / 4201089
x = 5
Hence, Oregon has 5 golf course per 100,000 people.
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What number can divided 22 and 33 ?
Answers
Answer:
11 ..can be divided by both 22 and 33
Answer:
\(22 \div 11 = 2 \\ 33 \div 11 = 3\)
Step-by-step explanation:
number which can be divided by both 22 and 33 is 11.
1 AB is tangent to circle O at B. The diagram is not drawn to scale. If AB=12 nd AO=15, what is the length of the radius (r)
Answers
Answer:
r = 9 units
Step-by-step explanation:
since AB is a tangent to the circle at B , then ∠ ABO = 90°
so Δ ABO is a right triangle
using Pythagoras' identity in the right triangle
OB² + AB² = AO² , that is
r² + 12² = 15²
r² + 144 = 225 ( subtract 144 from both sides )
r² = 81 ( take square root of both sides )
r = \(\sqrt{81}\) = 9
Round 92,542 to the nearest thousand
Answers
Answer:
93,000
Step-by-step explanation:
Find the quotient:
(-9w^4 + 7w^2) / -w
Answers
Answer:
\( \frac{ - 9 {w}^{4} + 7 {w}^{2} }{ - w} \\ \frac{{w ^{2} }( - 9 {w}^{2} + 7) }{ - w} \\ - w( - 9 {w}^{2} + 7) \\ = 9 {w}^{3} - 7w\)
A phone company charges for service according to the formula: C(n) = 15 +0.04n, where n is the number of minutes talked, and C(n) is the monthly charge, in dollars. The rate of change in this equation is: Select an answer The initial value in this equation is:
Answers
The initial value in this equation is the constant term, which is 15 dollars. This is the fixed monthly charge, regardless of how many minutes are used.
The given formula is: C(n) = 15 +0.04n, where n is the number of minutes talked, and C(n) is the monthly charge, in dollars. This formula represents the monthly cost of a phone service that charges a fixed monthly fee of 15 dollars plus an additional fee of 0.04 dollars per minute for the number of minutes talked.
The rate of change of this formula is the derivative of C(n) with respect to n, which is the coefficient of n, in this case, 0.04. This means that for each additional minute used, the monthly cost increases by 0.04 dollars. For example, if a customer uses 100 extra minutes in a month, their monthly charge would increase by 0.04 * 100 = 4 dollars.
The initial value in this equation is the constant term, which is 15 dollars. This is the fixed monthly charge that the customer pays regardless of how many minutes are used. Even if the customer doesn't make any calls, they would still be charged a minimum of 15 dollars per month.
In summary, the rate of change in this formula is 0.04 dollars per minute, and the initial value is 15 dollars. These values can be useful in calculating the total cost of the phone service for a given number of minutes used or in comparing this service to other phone plans with different rates and initial values.
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Write the point-slope form of an equation of the line that passes through (4, -3) and (2, 1).
Answers
Answer:
y + 3 = -2(x - 4)
Step-by-step explanation:
(x₁,y₁) = (4 , -3)
(x₂,y₂) = (2 , 1)
\(Slope =\frac{y_{2}_y_{1}}{x_{2}-x_{1}}\\\\=\frac{1-[-3]}{2-4}\\\\=\frac{1+3}{-2}\\\\=\frac{4}{-2}\\\\= -2\\\)
Point slope form: y - y1 = m(x -x1)
y - [-3] = -2(x - 4)
y + 3 = -2(x - 4)
Find the measure of angle to the nearest degree
Answers
8.120°
9.45°
11.45°
12.135°
13.30°
8.120°
9.45°
11.45°
12.135°
13.30°
Question 17
What is the y-intercept and asymptote? Is the graph a growth or decay?
Answers
Answer:
groth i think
Step-by-step explanation:
In addition to behind-the-wheel tests, states require written tests before issuing drivers licenses. The failure rate for the written driving test in Florida is about 60 percent. Suppose three drivers’ license test-takers in Florida are randomly selected. Find the probability of the following:
a. all three fail the test
b. none fail the test
c. only one fails the test
Answers
Probability is a measure of how likely an event is to occur. It is a value between 0 and 1, with 0 indicating that an event is impossible and 1 indicating that an event is certain to occur.
In this case, we're looking at the probability of certain outcomes related to the written driving test in Florida. The failure rate for this test is 60 percent, which means that the probability of failing the test is 0.6 and the probability of passing the test is 0.4.
a. To find the probability of all three test-takers failing the test, we can use the formula for the probability of independent events:
P(A and B and C) = P(A) x P(B) x P(C)
Where P(A), P(B), P(C) are the probability of each test-taker failing the test.
So in this case:
P(all three fail the test) = 0.6 x 0.6 x 0.6 = 0.216
The probability of all three test-takers failing the test is 0.216 or 21.6%.
b. To find the probability of none of the test-takers failing the test, we can use the formula for the probability of independent events:
P(A and B and C) = P(A) x P(B) x P(C)
Where P(A), P(B), P(C) are the probability of each test-taker passing the test.
So in this case:
P(none fail the test) = 0.4 x 0.4 x 0.4 = 0.064
The probability of none of the test-takers failing the test is 0.064 or 6.4%.
c. To find the probability of only one of the test-takers failing the test and two passing, we can use the combination formula:
(3 choose 1) x P(fail) x P(pass)^2 = 3 x (0.6 x 0.4^2) = 0.288
The probability of only one test-taker failing the test is 0.288 or 28.8%.
In summary, Probability is a measure of how likely an event is to occur, in this case we're looking at the probability of certain outcomes related to the written driving test in Florida, the failure rate for this test is 60 percent, which means that the probability of failing the test is 0.6.
To find the probability of all three test-takers failing the test we can use the formula P(A and B and C) = P(A) x P(B) x P(C) where P(A), P(B), P(C) are the probability of each test-taker failing the test.
To find the probability of none of the test-takers failing the test we can use the formula P(A and B and C) = P(A) x P(B) x P(C) where P(A), P(B), P(C) are the probability of each test-taker passing the test, and to find the probability of only one of the test-takers failing the test and two passing,
we can use the combination formula (3 choose 1) x P(fail) x P(pass)^2
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Help me please image is attached I really appreciate it
Answers
An inequality to find the number of batches of rolls Liz can make is 13n/4 ≤ 26 and she cannot make more than 8 batches of rolls.
How to write and solve this inequality?In order to solve this word problem, we would assign a variable to the number of batches, and then translate the word problem into an algebraic inequality as follows:
Let the variable n represent the number of batches.
Since Liz has 26 tablespoons of yeast left in the jar and each batch of biscuits takes 3 1/4 -tablespoons, we have:
3 1/4 (n) ≤ 26
13n/4 ≤ 26
Cross-multiplying, we have:
13n ≤ 26 × 4
13n ≤ 104
n ≤ 104/13
n ≤ 8.
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Complete Question:
Liz wants to make several batches of biscuits. She has 26 tablespoons of yeast left in the jar and each batch of biscuits takes 3 1/4 -tablespoons. Write and solve an inequality to find the number of batches of rolls Liz can make.