What is the bottom row and the 2 bottom ones thx Ill give brainly to the one who is right

In 2.63  hours the prices of the two stocks be the​ same

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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Answer: the second one

Step-by-step explanation: trust me bro

Answer:

AB = YZ

AC = XY

BC =XZ

Statement : The given two triangles are congurent by all axiom.

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

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.

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:

Answer:

y=26x-+8

Step-by-step explanation:

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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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

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 elevator is on the 42th floor on moving 22 floor up to the present location of 20th floor.

Regarding the posed query:

Thus,

Current position = 20 + 22

Current position = 42

Thus, the present location of the elevator is on 42th floor.

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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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The solution to the inequality expression is x > 3 and the number line is attached

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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Answer:

I believe it is 3rd one but not 100% sure

Step-by-step explanation:

hope this helps

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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Answer: 5/2 or 2.5

Step-by-step explanation: Rise/Run = 5/2

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.

The potential energy formula is provided by

P.E. = m g h

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.

Answer:202 surface area

Step-by-step explanation:

Answer:

240°   ( Quadrant III)

Step-by-step explanation:

Arctan ( -sqrt(12) /-2) = 240 degrees

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

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 required graph has been attached which represents negative 3.5 and negative 1.5 on the 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 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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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.

The linear function in slope intercept form is  y = -2x - 5.

Linear function can be represented in slope intercept form as follows:

y = mx + b

where

Therefore, 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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It is better to describe the centers of distribution in terms of the

D. Median for both bakeries because the data is not symmetric.

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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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

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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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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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.