Answer:
1.434 miles
Step-by-step explanation:
if 1.5 miles isnt an option select 1 mile
Celia is 2 times Jacque’s age now. Celia was 6 times Jacque’s age 9 years ago. What system of equations can be solved to find their ages?
Group of answer choices
Ricardo is copying angle BCD below.
Which is the next step in Ricardo's construction?
A. Draw an arc and label the intersection point V.
B. Place the point of the compass on point Y and
adjust the width to point X.
C. Draw TU and point R on TU
D. Draw VU and point R on VU
Answer: C) Draw segment TU and point R on segment TU.
The construction he set up so far is pretty much almost done. If he draws a ray through points T and U (with T as the endpoint), then ray TU combines with ray TS to get angle STU. This angle is congruent to angle BCD.
The point R is introduced so that we call this angle STR instead of angle STU, but it's the same basic idea. You could also replace "ray" with "line" or "line segment" to get the same basic construction of copying an angle.
Kelsey rolls a fair die 390 times. The table below shows the outcomes.
Side
Times
Rolled
Kelsey rolls the die 24 more times. What is the most likely number of times she rolls a 4 or a 5?
Ο Α. 8
OB. 12
O c. 2
OD. 4
Answer:
12
Step-by-step explanation:
Given: abcd is a rectangle, M is midpoint of line AB prove: line DM is congruent to CM
DM is congruent to line CM because CDM is congruent to triangle CBM using the SAS congruence criteria for triangles.
Draw a diagram of the rectangle ABCD with M as the midpoint of AB. Draw lines CM and DM ( refer to the attached image). Since AB is a line segment, we know that AM is congruent to MB (because M is the midpoint of AB). Since ABCD is a rectangle, we know that AB is parallel to CD, and AD is parallel to BC. Thus, we have two pairs of parallel lines: AB and CD, and AD and BC.
Using the fact that opposite sides of a rectangle are congruent, we have CD = AB. Now, we have a pair of congruent sides (DM and CM) that are opposite each other in triangle CDM and CBM respectively. We also have another pair of congruent sides (CD and AB) that are opposite each other in both triangles. Finally, we know that the angle CMD is congruent to the angle CMB because they are vertical angles. By the Side-Angle-Side (SAS) congruence criterion, we can conclude that triangle CDM is congruent to triangle CBM.
Therefore, line DM is congruent to line CM by SAS congruence criteria.
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BRAINLIEST!!!!!!BRAINLIEST!!!!BRAINLIEST!!!!BRAINLIEST!!!BRAINLIEST!!!!!BRAINLIEST!!!!BRAINLIEST!!!!BRAINLIEST !!!!!!!
Answer:
answer D
Step-by-step explanation:
let s estimate the D.
(2x+5) is a common factor so we can write
\((2x+5)(3x^2+(-5x)+(-4)) = (2x+5)(3x^2-5x-4)\)
and this is the expression of the question
hope this helps
The correct answer would be D
Hope this helps! :)
Nine times the sum of a number and 26 is at most -25
Answer:
x ≤ -259/9
Step-by-step explanation:
Change into a number equation 9(x + 26) ≤ -25
A state offers specialty license plates that contain 2 letters followed by 2 numbers. License plates are assignedrandomly. All license plates are equally likely. Find the number of possible license plates that can be issuedusing this system.
In order to calculate the number of different plates, let's check the number of possible values for each digit or letter in the plate.
Each letter has 26 possible values (from A to Z) and each digit has 10 possible values (from 0 to 9).
Since we have two letters and two digits in this order, the total number of different plates is:
\(\begin{gathered} 26\cdot26\cdot10\cdot10 \\ =67600 \end{gathered}\)The number of different plates is 67,600, therefore the correct option is the third one.
Find the missing side of each triangle
Answer:
B) x = √118 mi
Step-by-step explanation:
This is a right triangle, so we can the measure of x using the Pythagorean theorem, which is
a^2 + b^2 = c^2, where
a and b are the shorter legs,and c is the hypotenuse (longest side opposite the right angleIn the figure, the sides measuring x mi and √26 mi are the legs, so we plug these in for a and b in the theorem,and the side measuring 12 mi is the hypotenuse, so we plug it in for c in the theorem:Step 1: Plug in x and √26 for a and b and 12 for c and simplify:
x^2 + (√26)^2 = 12^2
x^2 + 26 = 144
Step 2: Subtract 26 from both sides to isolate x^2:
(x^2 + 26 = 144) - 26
x^2 = 118
Step 3: Take the square root of both sides to isolate x:
√(x^2) = √118
x = √118 mi
2 cups of flour for ever 1/3 cup, what is the rate
The rate of flour to the other substance is 6 cups of flour for every 1 cup of the other substance, which was obtained by using the concept of reciprocal to convert the ratio to a common unit of measurement.
The problem provides us with the information that 2 cups of flour are required for every 1/3 cup of another substance. To determine the rate of flour to the other substance, we need to convert the ratio to a common unit of measurement. In this case, we can use cups as the unit of measurement.
The given information implies a ratio of 2 cups of flour to 1/3 cup of something else, which can be simplified to:
2 cups / (1/3) cup
To divide by a fraction, we can multiply by its reciprocal:
2 cups / (1/3) cup = 2 cups * (3/1) cup = 6 cups
Therefore, the rate is 6 cups of flour for every 1 cup of the other substance.
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When the mortgage is completely paid off for Mark and Lynne’s house, it will be 6 times as old as it is now. If they have 25 years left on the mortgage, how old is the house right now?
Let us take the age of the house currently as x.
The second statement says that the house will be 6 times as old as it is now after payment is completed.
If the mortgage will be completed in 25 years, we can write that mathematically as
\(6x=x+25\)Therefore, the age of the house, x, can be calculated as
\(\begin{gathered} 6x-x=25 \\ 5x=25 \\ x=\frac{25}{5} \\ x=5 \end{gathered}\)Hence, the house is 5 years old now.
Write an equation for the line in point slope form that passes through (-3,9) and (11,-2) FAST PLEASE
There are 8 red, 4 green, and 6 blue point on a circle. All the points are distinct. Find the number of triangles with vertices of three different colors.
To find the number of triangles with vertices of three different colors, we need to consider the combinations of colors we can choose from the given set of points.
We have 8 red points, 4 green points, and 6 blue points. To form a triangle with vertices of three different colors, we need to choose one point from each color group.
First, let's choose one red point. We have 8 options for this.
Next, let's choose one green point. We have 4 options for this.
Finally, let's choose one blue point. We have 6 options for this.
To determine the total number of triangles, we need to multiply the number of options for each color:
Total number of triangles = Number of options for red points × Number of options for green points × Number of options for blue points
= 8 × 4 × 6
= 192
Therefore, there are 192 triangles with vertices of three different colors.
It's worth noting that the order in which we choose the points does not matter because we are counting the number of distinct triangles. So, we are not considering permutations but rather combinations of colors.
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Bella has a bucket of Legos. She chose a Lego,recorded the color, and placed it back in the bucket.She did this 40 times. The table shows the results.ColorNumberRed4White10Blue8Green18Based on the results in the table, what is theexperimental probability that the next time Bellachooses a Lego it will be a white or blue?
Answer
Probability that the next time Bella chooses a Lego, it will be a white or blue
= (9/20)
= 0.45
Explanation
The probability of an event is calculated as the number of elements in the event divided by the total number of elements in the sample space.
Number of white or blue legos = 10 + 8 = 18
Total number of legos = 4 + 10 + 8 + 18 = 40
Probability that the next time Bella chooses a Lego, it will be a white or blue
= (18/40)
= (9/20)
= 0.45
Hope this Helps!!!
a texy car draiver ran away frome police but their was a passanger in the car than what should passanger doo
Answer:
he should do nothing because he is just a passenger.
When results from a scholastic assessment test are with their scores are also given. Suppose a test-taker scored at the 78th percentile for their verbal sent to test-takers, the percentiles associated 26) grade and at the 34th percentile for their quantitative grade. Interpret these results.
A) This student performed better than 22% of the other test-takers in the verbal part and better
B) This student performed better than 78% of the other test-takers in the verbal part and better
C) This student performed better than 22% of the other test-takers in the verbal part and better
D) This student performed better than 78% of the other test-takers in the verbal part and better than 66% in the quantitative part. than 34% in the quantitative part.
Answer:
B) This student performed better than 78% of the other test-takers in the verbal part and better than 34% in the quantitative part.
Step-by-step explanation:
In Statistics, Percentile refers to how specific variables can be divided according to the distribution of values in a population of 100 equal groups.
The data value of a given percentile can be determined as 100 times the cumulative relative frequency of that value.
From the given question.
Suppose a test-taker scored at the 78th percentile for their verbal sent to test-takers, the percentiles associated grade and at the 34th percentile for their quantitative grade.
This implies that ;
The student score shows the relation between a particular score of :
78% and the scores of the rest of a group for the verbal test takers &
34% and the scores of the rest of a group for the quantitative test takers.
Therefore; we can conclude that ;
This student performed better than 78% of the other test-takers in the verbal part and better than 34% in the quantitative part.
a manufacturer of game controllers is concerned that their controller may be difficult for left-handed users. they set out to find lefties to test. about 13% of the population is left-handed. if they select a sample of five customers at random in their stores, what is the probability that the first lefty is the fifth person chosen.
The required probability that the first lefty is the fifth person chosen is 0.074.
What is probability?Probability is tied in with assessing or working out how likely or 'plausible' something is to occur. The opportunity of an occasion happening can be depicted in words, for instance 'certain', 'unimaginable' or 'probable'. In math, probabilities are constantly composed as portions , decimals or rates with values somewhere in the range of 0 and 1.
According to question:Probability of being left given = 0.13
Probability of being not left given = 1-0.13 =0.87
They select an example of five clients at irregular in their stores
So,
a). The main lefty is the fifth individual picked
Then,
Probability that first lefty is the fifth individual picked =
0.87×0.87×0.87×0.87×0.13 = 0.074
Thus, required probability is 0.074.
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You buy 4 balloons and 2 banners for $8. Your friend buys 6 balloons and 1 banner for $8.
Each balloon costs ?$
and each banner costs ?$
Answer:
Each balloon costs $1
Each banner costs $2
Step-by-step explanation:
First of all, let's write down the equation from this problem.
Let "y" be the cost of the ballon, and let "x" be the cost of a banner. Then the following is true from the question...
4y + 2x = 8
6y + x = 8
Now since both of them are equal to 8 both of them are equal to each other, and so we can get the following equation...
4y + 2x = 6y + x
2x - x = 6y - 4y
x = 2y
Now if we substitute 2y instead of x in one of the previous equations we will obtain...
6y + x = 8
6y + 2y = 8
8y = 8
y = 1
From the equation x = 2y we know that...
x = 2y
x = 2(1)
x = 2
Please help me it's very important that this gets done asap
Answer:
√32 or 4√2 or 5.657 (3 d.p.)
Step-by-step explanation:
Use Pythagoras’ Theoremd² + 7² = 9²Evaluate the known squaresd² + 49 = 81Subtract 49 from both sides to make d² the subjectd² = 81 - 49 = 32d = √32 = 4√2 = 5.657 (3 d.p.)A worker is getting a 4% raise. His current salary is $40,361. How much will his raise be?
We need to calculate the 4%
\(40361\cdot0.04=1614.44\)The raise will be $1614.44
Bob and Alice each have a bag that contains one ball of each of the colors blue, green, orange, red, and violet. Alice randomly selects one ball from her bag and puts it into Bob’s bag. Bob then randomly selects one ball from his bag and puts it into Alice’s bag. What is the probability that after this process the contents of the two bags are the same? (Hint: you can simplify your solution using "without loss of generality".)
The probability that after this process the contents of the two bags are the same is 1/30 or approximately 0.0333.
Without loss of generality, we can assume that Alice selects a ball from her bag and puts it into Bob's bag first.
At the start, there are a total of 5 balls in each bag, so the probability of Bob selecting the same ball that Alice put into his bag is 1/5. After this exchange, each bag now contains 6 balls.
Now, Alice randomly selects a ball from her bag, which has 6 balls in total. The probability of Alice selecting the same ball that Bob put into her bag is also 1/6.
To find the overall probability, we multiply the probabilities of both events occurring:
Probability = (1/5) \(\times\)(1/6) = 1/30.
Therefore, the probability that after this process the contents of the two bags are the same is 1/30 or approximately 0.0333.
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when solving proportions, we set the cross products equal and then we _____________.
When solving proportions, we set the cross products equal, and then we solve for the unknown variable.
When solving proportions, we set the cross products equal to each other and then proceed to solve for the unknown variable. A proportion is an equation that states that two ratios or fractions are equal. To solve a proportion, we first identify the two ratios involved and set their cross-products equal.
For example, consider the proportion: a/b = c/d
To solve for the unknown variable, we set the cross products (a * d) and (b * c) equal:
a * d = b * c
This equation allows us to find the value of the unknown variable by manipulating the equation through multiplication or division to isolate the variable on one side of the equation.
By setting the cross products equal, we essentially establish an equality between the two ratios, indicating that the fractions on either side of the proportion are equivalent. Solving for the unknown variable allows us to determine its value based on the relationship between the given ratios.
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During a basketball game, Bari scored 28 points. During the game, Danay scored ¼ of the number of points Bari scored. How many points did Denay score during the basketball game?
Para calcular isto, temos que dividir 28 por 4, que dá 7. Neste contexto, 7 é 1/4 de 28, o número de pontos marcad .
Resposta: Denay marcou 7 pontos durante o jogo.
Bake was a little concerned as he stood in the middle of the overcrowded elevator. The sign clearly stated that the total weight in the elevator had a maximum capacity
of 2,500 pounds
Write an inequality to show the weight limit for the elevator.
Inequality to show the weight limit for the elevator is :
w <= 2500
To write an inequality showing the weight limit for the elevator, we can let "w" represent the weight in pounds that are allowed in the elevator. The inequality would be:
w <= 2500
This inequality can be read as "w is less than or equal to 2500." It shows that the maximum weight allowed in the elevator is 2500 pounds.
Alternatively, the inequality could also be written as:
w + 0 <= 2500
This form of inequality emphasizes that the weight of the elevator itself (represented by the "0" term) is also included in the weight limit.
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what is the area of the parallelogram shown below
Answer:
please add an image my bro
Step-by-step explanation:
we cant answer without knowing what it looks like
Answer:
answer my questions also
Step-by-step explanation:
each person uses the same amount of dough, and art makes exactly 12 cookies. art's cookies sell for 60 cents each. to earn the same amount from a single batch, how much should one of roger's cookies cost in cents?
If Art makes 12 cookies with the same amount of dough and sells each cookie for 60 cents, then Roger needs to sell each cookie for 70 cents in order to earn the same amount from a single batch.
To explain how this is determined, we can use a basic equation. We know that Art made 12 cookies with the same amount of dough. If Art sells each cookie for 60 cents, then the total amount of money they earn from a single batch is 12 x 60 = 720 cents. We also know that Roger is trying to earn the same amount from a single batch of cookies.
To calculate how much each of Roger's cookies should cost, we need to divide the total amount of money, 720 cents, by the number of cookies, 12. Therefore, the cost of each of Roger's cookies is 720 / 12 = 70 cents.
To summarize, if Art makes 12 cookies with the same amount of dough and sells each cookie for 60 cents, then Roger needs to sell each cookie for 70 cents in order to earn the same amount from a single batch.
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2 3 21-30-8 3418-40.6 50.4-60.2 60.2 Problem # 2: Find the population mean, median, mode, variance and standard deviation for the set of data: 13, 7, 21, 4, 15, 23, 7, 6. Show your work step by step.
The population mean of the given data set is 11.375, the median is 8.5, the mode is 7, the variance is 43.75, and the standard deviation is approximately 6.612.
To find the population mean, we sum up all the values in the data set and divide by the total number of values.
Mean:
(13 + 7 + 21 + 4 + 15 + 23 + 7 + 6) / 8 = 11.375
To find the median, we arrange the data set in ascending order and find the middle value. If there are an even number of values, we take the average of the two middle values.
Median:
Arranging the data set in ascending order: 4, 6, 7, 7, 13, 15, 21, 23
Middle values: 7, 13
Taking the average: (7 + 13) / 2 = 8.5
The mode is the value that appears most frequently in the data set.
Mode:
The value 7 appears twice, which is more than any other value in the data set. So, the mode is 7.
To find the variance, we calculate the average of the squared differences between each value and the mean.
Variance:
[(13 - 11.375)² + (7 - 11.375)² + (21 - 11.375)² + (4 - 11.375)² + (15 - 11.375)² + (23 - 11.375)² + (7 - 11.375)² + (6 - 11.375)²] / 8 = 43.75
The standard deviation is the square root of the variance.
Standard deviation:
√(43.75) ≈ 6.612
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How do madison identify the type of bond sigma pi?
To identify the type of bond as either sigma or pi, first determine the type of bond based on the atomic orbitals involved, then examine the bonding in the molecule to determine whether it is a single, double, or triple bond.
To identify the type of bond as either sigma (σ) or pi (π) in the context of "madison", you would follow these steps:
1. First, understand that "madison" is likely a typo and not relevant to the question. Instead, focus on identifying the type of bond, either sigma (σ) or pi (π).
2. Determine the type of bond based on the atomic orbitals involved. Sigma (σ) bonds are formed when atomic orbitals overlap end-to-end, allowing electrons to be shared between two atoms. Pi (π) bonds are formed when atomic orbitals overlap side-by-side, sharing electrons above and below the bonded atoms.
3. Examine the bonding in a given molecule. Single bonds are always sigma (σ) bonds. Double bonds consist of one sigma (σ) bond and one pi (π) bond, while triple bonds have one sigma (σ) bond and two pi (π) bonds.
By following these steps, you can identify the type of bond as either sigma (σ) or pi (π).
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In class, we have talked about the maximum entropy model. For learning the posterior probabilities Pr(y∣x)=p(y∣x) for y=1,…,K given a set of training examples (xi,yi),i=1,…,n, we can maximize the entropy of the posterior probabilities subject to a set of constraints, i.e., p(y∣xi)max s.t. −i=1∑ny=1∑Kp(y∣xi)lnp(y∣xi)y=1∑Kp(y∣xi)=1i=1∑nnδ(y,yi)fj(xi)=i=1∑nnp(y∣xi)fj(xi),j=1,…,d,y=1,…,K where δ(y,yi) is equal to 1 if yi=y, and 0 otherwise, and fj(xi) is a feature function. Let us consider fj(xi)=[xi]j, i.e., the j-th coordinate of xi. Please show that the above Maximum Entropy Model is equivalent to the multi-class logistic regression model (without regularization). (Hint: use the Lagrangian dual theory)
The above Maximum Entropy Model is equivalent to the multi-class logistic regression model as Z(xi) = ∑y=1K exp(θj fj(xi)). This is the softmax function, which is the basis for the multi-class logistic regression model.
The maximum entropy model can be formulated as follows:
Maximize: H(p) = - ∑i=1n ∑y=1K p(y|xi) ln p(y|xi)
Subject to:
∑y=1K p(y|xi) = 1, for i = 1,...,n
∑y=1K p(y|xi) δ(y,yi) fj(xi) = ∑y=1K p(y|xi) fj(xi), for j = 1,...,d and i = 1,...,n
where δ(y,yi) is the Kronecker delta function.
Using the Lagrangian dual theory, we can rewrite the objective function as:
L = - ∑i=1n ∑y=1K p(y|xi) ln p(y|xi) + ∑i=1n λi(∑y=1K p(y|xi) - 1) + ∑i=1n ∑j=1d θj(∑y=1K p(y|xi) δ(y,yi) fj(xi) - ∑y=1K p(y|xi) fj(xi))
where λi and θj are the Lagrange multipliers.
Taking the derivative of L with respect to p(y|xi) and setting it to zero, we get:
p(y|xi) = exp(θj fj(xi)) / Z(xi)
where Z(xi) is the normalization factor:
Z(xi) = ∑y=1K exp(θj fj(xi))
Substituting this into the constraint ∑y=1K p(y|xi) = 1, we get:
∑y=1K exp(θj fj(xi)) / Z(xi) = 1
which can be simplified to:
Z(xi) = ∑y=1K exp(θj fj(xi))
This is the softmax function, which is the basis for the multi-class logistic regression model.
Therefore, we have shown that the maximum entropy model with feature function fj(xi)=[xi]j is equivalent to the multi-class logistic regression model without regularization.
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A frame designer is making a triangular frame. She has two sides of length 18 inches and 27 inches. What are the possible lengths for the third side?.
The possible lengths( in whole elevation) for the third side is
9 elevation< x< 45 elevation, i.e in between 9 and 45 elevation.
For the below question, we've a rule from the properties of triangle, the sum of the length of any two sides of the triangle must be lesser than the length of the third side.
Hence
She has two sides of length 18 elevation and 27 elevation
Let the third side = x
Hence
a) 18 27> x
45> x
b) 18 x> 27
x> 27- 18
x> 9
thus, the possible lengths( in whole elevation) for the third side is
elevation< x< 45 elevation
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The common stock of CrisisGreat is expected to earn 18 percent in a recession, 7 percent in a normal economy, and lose 8 percent in a booming economy. The probability of a boom is 23 percent while the probability of a recession is 8 percent. What is the expected rate of return on this stock
The expected rate of return on the common stock of CrisisGreat is 4.43%.
How to find rate of return?To calculate the expected rate of return on the stock of CrisisGreat, we need to use the formula:
Expected rate of return = (Probability of recession * Rate of return in recession) + (Probability of normal economy * Rate of return in normal economy) + (Probability of boom * Rate of return in boom)
Let's plug in the given values:
Expected rate of return = (0.08 * 0.18) + (0.69 * 0.07) + (0.23 * (-0.08))Expected rate of return = 0.0144 + 0.0483 - 0.0184Expected rate of return = 0.0443 or 4.43%Therefore, the expected rate of return on the common stock of CrisisGreat is 4.43%.
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