Answers
The triangles in the image given are classified as:
11. isosceles 12. scalene 13. equilateral
How to Classify Triangles?If all three sides of a triangle are congruent or of equal length, the triangle is classified as equilateral.If a triangle has different side lengths, that is, unequal side lengths, the triangle is classified as scalene.Also, where the length of two sides of a triangle are shown to be equal or congruent to each other, the triangle is classified as isosceles.Therefore:
11. The triangle has two congruent sides, therefore, it is classified as isosceles.
12. The triangle has different side lengths, therefore it is scalene.
13. All the three sides of the triangle are congruent, therefore, it is an equilateral triangle.
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Related Questions
Graph negative 3.5 and negative 1.5 on the number line
Answers
The required graph has been attached which represents negative 3.5 and negative 1.5 on the number line.
What is Number Line?To indicate their position, all rational numbers can be plotted on a number line. Every point on the number line indicates how many units a number is away from zero and in which direction.
As per the question, the negative 3.5 placed on the number line is 3.5 units to the left of zero, and the negative 1.5 placed on the number line is 1.5 units to the left of zero. The number zero is the most essential position on the number line. All of the other locations on the number line are predicated on zero.
Thus, the required graph has been attached which represents negative 3.5 and negative 1.5 on the number line.
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The price of Stock A at 9 A.M. was $12.71. Since then, the price has been increasing at the rate of $0.08 each hour. At noon the price of Stock B was $13.21. It begins to decrease at the rate of $0.11 each hour. If the two rates continue, in how many hours will the prices of the two stocks be the same?
Answers
In 2.63 hours the prices of the two stocks be the same
What is Equation?Two or more expressions with an Equal sign is called as Equation.
Given,
The price of Stock A at 9 A.M. was $12.71.
Price has been increasing at the rate of $0.08 each hour
Price of Stock B was $13.21
The price has been decrease at the rate of $0.11 each hour.
We can write in the form of equation , to find how many hours will the prices of the two stocks be the same
12.71+0.08h=13.21-0.11h
0.11h+0.08h=13.21-12.71
0.19h=0.5
Divide both sides by 0.19
h=0.5/0.19
h=2.63
Hence, in 2.63 hours the prices of the two stocks be the same
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Find the perimeter of a rectangle in simplest expression form that has an area of 6x2 +17x + 12 square feet. Please make sure you show all your work for full credit. (10 points)
Answers
Answer: P=14x-8
Step-by-step explanation:
I will solve this by factoring the numbers
(3x+1)(4x-5)=0
so L and w would be 3x+1,4x-5 order does not matter
Plug in to the perimeter formula and solve
P = 2(L+W)
P = 2(4x-5+3x+1)
P = 2(7x-4)
P = 14x - 8
16. Find the direction of the force
F=(-√12 i-2j) N.
Answers
Answer:
240° ( Quadrant III)
Step-by-step explanation:
Arctan ( -sqrt(12) /-2) = 240 degrees
given a fair 6-sided die if you roll it 5 times and add up the results, what is the probability that the sum is divisible by 6
Answers
1/6 is the Dice roll probability that the sum is divisible by 6
What is Dice roll Probability ?
An event is a specific subset of the sample space in probability. The sample space, for instance, is equal to all of the values on the die, or the set, when just one die is rolled, as in the example above (1, 2, 3, 4, 5, 6). Each number in the set only appears once since the die is impartial. The frequency of each number is thus 1. We divide the event frequency (1) by the size of the sample space (6) to get the chance of rolling any one of the die's numbers, which comes out to 1/6.
The difficulty of computing probability more than doubles when two fair dice are rolled. This is so that rolling one die does not affect rolling another. A roll does not affect another roll. We apply the multiplication rule when dealing with independent occurrences. A tree diagram is used to show that there are 6 × 6 = 36 possibilities that can result from rolling two dice.
We know that whatever be the first four numbers , the fifth number will decide whether the sum is divisible by 6 or not
That is let , S= N+N5
Before adding N5 , we cannot say whether S is divisible by 6
N5 is chosen from 6 equally likely numbers ,1,2,3,4,5,6
P(N5) =1/6
Therefore Dice roll probability that sum is divisible by 6 is 1/6
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a dental student is conducting a study on the number of people who visit their dentist regularly. of the 520 people surveyed, 312 indicated that they had visited their dentist within the past year. find the population proportion, as well as the mean and standard deviation of the sampling distribution for samples of size n
Answers
For samples of size n = 60, the mean of the sampling distribution is 0.6
and the standard deviation of the sampling distribution is 0.0632
Here, N = 520 and X = 312
So, the population proportion is calculated as;
p = X / N
p = 312/520
p ≈ 0.600
So, the mean of the sampling distribution would be,
μ = 0.600
And for samples of size n = 60, the standard deviation of the sampling distribution would be,
σ = √[p(1 - p)] / n
σ = √[0.6(1 - 0.4)] / 60
σ = √[(0.6 * 0.4) / 60]
σ = √(0.004)
σ = 0.0632
Therefore, the mean of the sampling distribution = 0.6
and the standard deviation of the sampling distribution = 0.0632
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Given question is incomplete.
A complete question is:
a dental student is conducting a study on the number of people who visit their dentist regularly. of the 520 people surveyed, 312 indicated that they had visited their dentist within the past year. find the population proportion, as well as the mean and standard deviation of the sampling distribution for samples of size n = 60
solve the inequality
15t>180
Answers
Answer: t=12
Step-by-step explanation:
To isolate the t, divide both sides by 15. The 15 on the left cancels out, and 180 divided by 15 is 12.
I really need someone to help me understand this problem
Answers
The linear function in slope intercept form is y = -2x - 5.
How to represent linear function in slope intercept form?Linear function can be represented in slope intercept form as follows:
y = mx + b
where
m = slopeb = y-interceptTherefore, let's find the slope in the linear function.
Using (-1, -3) and (3, - 11)
m = -11 + 3 / 3 + 1
m = -8 / 4
m = -2
Therefore, let's find the y-intercept as follows:
using (-1, -3)
y = -2x + b
-3 = -2(-1) + b
-3 = 2 + b
b = -3 - 2
b = -5
Therefore, the equation in slope intercept form is y = -2x - 5
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Find x in the right triangle. 324−−−√324
B 147−−−√147
C 63−−√63
D 175−−−√175
E 21−−√21
Answers
Answer:
I believe it is 3rd one but not 100% sure
Step-by-step explanation:
hope this helps
Suppose are running a study/poll about the probability of catching the flu this year. You randomly sample 142 people and find that 69 of them match the condition you are testing. Suppose you have the following null and alternative hypotheses for a test you are running: H 0 : p = 0.54 H a : p < 0.54 Calculate the test statistic, rounded to 3 decimal places
Answers
The test statistic of null and alternative hypotheses for a test is 0.811.
69 of the 142 persons that were randomly chosen from a sample are found to meet the condition we are testing.
The sample proportion phat = 69 ÷ 142 = 0.489
n = 69
p = 0.54
the following are your test's null and alternate hypotheses:
[tex]H_0[/tex] : p = 0.54
[tex]H_a[/tex] : p < 0.54,
test statistic,
z = (phat - p) ÷ √(p × (1 - p) ÷ n)
z = (0.489 - 0.54) ÷ √((0.79 × 0.21) ÷ 42) = 0.811
A test statistic is a figure obtained from a statistical analysis. It explains how distant the observational values seem to be from the null hypothesis, which states that there is no correlation between the variables or distinction between the sample groups.
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The triangles below are congruent and their corresponding parts are marked.
B
(a) LA = 40
LB = 40
LC = 40
(c) AACB A
X
Z
Name all the corresponding congruent angles and sides.
Then, complete the triangle congruence statement.
(b) AB
AC
BC
X
Ś
Answers
Answer:
AB = YZ
AC = XY
BC =XZ
Statement : The given two triangles are congurent by all axiom.
Jose spent 7 days at soccer camp. Each day he spent 4.5 hours training in the midfield. Each hour of training, he ran 1.5 miles. How many miles did he run while at soccer camp?
Answers
The number of bagels sold daily for two bakeries is shown in the table:
Based on these data, is it better to describe the centers of distribution in terms of the mean or the median?
A. Mean for both bakeries because the data is symmetric
B. Mean for Bakery B because the data is symmetric; median for Bakery A because the data is not symmetric
C. Mean for Bakery A because the data is symmetric; median for Bakery B because the data is not symmetric
D. Median for both bakeries because the data is not symmetric
Answers
It is better to describe the centers of distribution in terms of the
D. Median for both bakeries because the data is not symmetric.
What are mean, median, and mode?The three main methods for identifying the average value of a set of integers are mean, median, and mode.
Adding the numbers together and dividing the result by the total number of numbers in the list yields the arithmetic mean.
The middle value in a list that is arranged from smallest to greatest is called the median.
The value that appears the most frequently on the list is the mode.
We know symmetric data sets have a graph that is bell-shaped.
Here the data for both bakeries are not symmetric we can conclude that from the given table itself so it is better to describe the centers of distribution in terms of the median for both bakeries because the data is not symmetric.
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PLS HELP Me out!!! 30pts
Answers
Answer: D is correct
Step-by-step explanation: Another angle is needed to prove the triangles are congruent by the ASA theorem. The angle that needs to be added has to have segment QS in between it and angleQSR. The only angle that does that is angleRQS. For the 2nd triangle, do the same thing. The angle that needs to be added has to have segment ST in between it and angleUST. The only angle that does that is angleSTU.
Line v is perpendicular to the graph of y= 2x - 11. Line w is parallel to line v and passes through point (-6,10)What is the equation in slope-intercept form of line w?
Answers
Answer:
y=26x-+8
Step-by-step explanation:
Consider the division of 4h2 + 2h + 6 by 2h. What are the values of a and b? a = 2 and b = 1 a = 2h and b = 1 a = and b = a = and b =.
Answers
When the dividend is 4h²+2h+6 and the divisor is 2h, the value of a is 2h and the value of b is 1.
What is polynomial?A polynomial is a mathematical statement made up of coefficients and indeterminates that uses only the operations addition, subtraction, multiplication, and powers of positive integers of the variables. Sums of terms of the form kxn, where k is any number and n is a positive integer, make up polynomials. For instance, the polynomial 3x+2x-5. a description of polynomials. The terms degree, standard form, monomial, binomial, and trinomial are all covered in this video.
Here,
Dividend=4h²+2h+6
Divisor=2h
The value of a and b,
=(4h²+2h+6)/2h
=4h²/2h+2h/2h+6/2h
=2h+1+3/h
a=2h
b=1
The value of a is 2h and b is 1 where the dividend is 4h²+2h+6 and divisor is 2h.
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Answer:What are the values of A and B?
A = 2 and B = 1
A = 2h and B = 1
A = and B =
A = and B =
Step-by-step explanation:
4. Assume a manufacturer makes an item that costs $2.50 to produce. The
markup when sold to the distributor is 35 percent. What is the cost to the
distributor? When the distributor sells the item to the retailer, the markup is 40
percent. How much will the retailer pay for the item?
Answers
Answer: Cost to distributer $3.38
Cost to retailer $4.73
Step-by-step explanation: First find 35 percent of $2.50
2.50 x 0.35 = 0.875 this is 35% of 2.50
Then add this amount to 2.50
2.50 + 0.875 = 3.375 or $3.38
Then to find the cost to the retailer repeat this process with 40%
3.38 x 0.40 = 1.352
1.352 + 3.38. = 4.732 or $4.73
When the height of the cylinder increased from 100 m to 1000 m, what happened to the amount of heat generated in the system? it decreased by a factor of 10. it decreased by a factor of 5. it increased by a factor of 5. it increased by a factor of 10.
Answers
When the height of the cylinder increased from 100 m to 1000 m, what happened to the amount of heat generated in the system is decreased by a factor of 10.
Define the term potential energy?Potential energy is the energy that a body possesses as a result of its position. Heat is produced when this energy is transformed.The potential energy formula is provided by
P.E. = m g h
In which m is the body's mass, h its height, and g its gravitational acceleration.When a body is at a height of 100 m, its potential energy is
P = mgx100x100=100mg
When a body is at a height of 1000 m, its potential energy is
P' = mxgx1000x1000
P' = 1000 mg
P' to P have a 10:1 ratio.
Thus, ten times as much heat is produced in the cylinder.
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The answer is D: It increased by a factor of 10.
Which of the following is a diagonal matrix?
O
2
0
0 -42
0
0
1
6
0
0
16 -7.5
0
0
3.5 -18
0 9
-4
0
0
0
-22 0
0 7.5
0
0 7.5
0-22 0
Mark this and return
Save and Exit
4
Answers
Answer: the second one
Step-by-step explanation: trust me bro
Jade pent 1/2 of an hour playing on her phone. That ued up 1/9 of her batter. How long would he have to play on her phone to ue her entire battery
Answers
She has to play 4.5 hours to discharge the whole phone.
What is division?
A division is one of the fundamental mathematical operations that divides a larger number into smaller groups with the same number of components. How many total groups will be established, for instance, if 20 students need to be separated into groups of five for a sporting event? The division operation makes it simple to tackle such issues. Divide 20 by 5 in this case. 20 x 5 = 4 will be the outcome. There will therefore be 4 groups with 5 students each. By multiplying 4 by 5 and receiving the result 20, you may confirm this value.
Jade spent 1/2 of an hour playing on her phone which uses 1/9th of her battery.
For 1/9th battery, it took 1/2 hour.
So for the whole charge to discharge it will take, (1/2)/ (1/9) = 9/2 =4.5.
Hence, She has to play 4.5 hours to discharge the whole phone.
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a coin is weighted so that the probability of obtaining a head in a single toss is 0.25. if the coin is tossed 45 times, what is the probability of obtaining between 9 and 14 heads, exclusive. a. 0.0537 b. 0.5051 c. 0.7201 d. 0.6975 e. 0.4836
Answers
The probability of obtaining between 9 and 14 heads is .0.0408
Probability:
in statistics, probability refers the possibility of the outcome of any random event.
Given,
A coin is weighted so that the probability of obtaining a head in a single toss is 0.25.
Here we need to find the probability of obtaining between 9 and 14 heads if the coin is tossed 45 times.
While we looking into the given question,
Probability of obtaining a head in a single toss = 0.25
Number of toss = 45
Here we need to find the probability of getting head between 9 and 14, is calculated as,
=> mean = 45 x 0.25 = 11.25
=> standard deviation = √11.25 x(1 - 0.25) = 2.9
Here the probability is written as,
=> P(9 < x < 14) = P(8.5 < x < 14.5)
Then the z score, is
=> z = (8.5 - 11.25)/2.9 = -0.9483
=> z = (14.5 - 11.25)/2.9 = 1.1207
So, the given probability is rewritten as,
=> P(9 < x < 14) = P(z < 1.1207) - P(z < 0.9483)
When we apply the value of z score on it then we get,
= > P(z < -0.9483) = 0.17149
=> P(z > 1.1207) = 0.13121
=> P(9 < x < 14) = 0.13121 - 0.17149
=> 0.0403
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7x4+10÷5 can someone pls help i have been on this question for 2 1/2 hours periodtttt
Answers
Answer:
30.
Step-by-step explanation:
First, we have to split up the equation:
(7 x 4) + (10 ÷ 5)
Now, we simplify:
(7 x 4) + (10 ÷ 5)
28 + 2
28 + 2 = 30.
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stocks a and b each have an expected return of 12%, a beta of 1.2, and a standard deviation of 25%. the returns on the two stocks have a correlation of 0.6. portfolio p has 50% in stock a and 50% in stock b. which of the following statements is correct?
Answers
d. Portfolio P has a standard deviation that is less than 25%
This response is accurate because a portfolio made up of two stocks with a correlation of less than one will always have a standard deviation that is lower than the standard deviation of the stocks added in accordance with their weight in the portfolio. For example, in this scenario, both stocks have a weight of 50% and a standard deviation of 25%, so their sum will be.
The portfolio standard deviation will be smaller than 25% since (0.5*25%) + (0.5*25%) = 25%.
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The graph shows the relationship between the amount of peaches in pounds, x, and the amount of peaches in dollars, y. What is the slope of the line?
Answers
Answer: 5/2 or 2.5
Step-by-step explanation: Rise/Run = 5/2
An elevator i on the twentieth floor. It goe to 22 floor. What floor i the elevator on now?
Answers
The elevator is on the 42th floor on moving 22 floor up to the present location of 20th floor.
Define the term addition of the numbers?Combining objects and counting them as one big group is done through addition. In math, addition is the process of adding two or more integers together. Addends are also the numbers that are added, while the total refers to the outcome of the operation.Regarding the posed query:
Initial position of the elevator = 20th floor.Number of floor travelled by elevator = 22.Thus,
Current position = 20 + 22
Current position = 42
Thus, the present location of the elevator is on 42th floor.
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the lengths, in inches, of adult corn snakes are normally distributed with a population standard deviation of 8 inches and an unknown population mean. a random sample of 25 snakes is taken and results in a sample mean of 58 inches. identify the parameters needed to calculate a confidence interval at the 99% confidence level. then find the confidence interval. z0.10z0.10 z0.05z0.05 z0.025z0.025 z0.01z0.01 z0.005z0.005 1.282 1.645 1.960 2.326 2.576
Answers
We can estimate with standard deviation of 8 that the true population mean length of adult corn snakes is between 53.88 and 62.12 inches.
What is standard deviation?
Standard Deviation is a measure that shows what quantity variation (such as unfold, dispersion, spread,) from the mean exists. the quality deviation indicates a “typical” deviation from the mean. it's a well-liked live of variability as a result of it returns to the first units of live of the info set.
Main body:
x = 58
σ = 8
n = 25
z α/2 = 2.576
(53.88, 62.12)
the given values σ=8, n=25, and z α/2=2.576 for a confidence level of 99%, we have
margin of error=(2.576)(8/√25)
≈ (2.576)(1.6)
≈4.12
With x¯=58 and a margin of error of 4.12, the confidence interval is
(58−4.12,58+4.12)
= (53.88 , 62.12).
therefore we can estimate with 99% confidence that the true population mean length of adult corn snakes is between 53.88 and 62.12 inches.
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How to solve 3(1+p)=-5(p+1)
Answers
The value of P in the equation is -1
Answer:
p=-1
Step-by-step explanation:
3(1+p)=-5(p+1)
Remove the parenthesis:
3+3p=-5p-5
Subtract 3 from both sides.
3p=-5p-5-3
Simplify:
3p=-5p-8
Rearrange:
3p=-8-5p
Add 5p to both sides:
8p=-8
Divide both sides by 8:
p=-1
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(-11)-2= I need to know the answer to this question
Answers
Answer: I = -13
Step-by-step explanation:
We just need to take the -11 -2 = -13. A negative -11 subtracts negative 2 = -13
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Answer: -13
Step-by-step explanation:
The answer is negative 13 because a negative added by a negative equals a negative
what is surface area of the cuboid 4cm.5cm.9cm.
Answers
Answer:202 surface area
Step-by-step explanation:
Use the number line to represent the solution to 5x > 15
Select a ray. Move the point on the ray to the correct place on the number line.
Answers
The solution to the inequality expression is x > 3 and the number line is attached
How to determine the solution to the expression?From the question, we have the following parameters that can be used in our computation:
5x > 15
To start with, we divide both sides of the inequality expression by 5
So, we have the following representation
5x/5 > 15/5
Evaluate the quotient
So, we have the following representation
5x/5 > 3
Evaluate the quotient
So, we have the following representation
x > 3
So, the solution is x > 3
See attachment for the inequality graph
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