so far , a storm has traveled 35 miles in 1/2 hour. if its currently 5:00pm and the storm is 105 miles away from you , at what time will the storm reach you ? explain your answer

Answer:

1) \(m\)∠JKL = 145°

2) \(m\)∠IHG = 164°

3) \(m\)∠NME = 50°

4) \(m\)∠TUV = 178°

I hope this helps! (✿◠‿◠)

Answer:

D is the answer \(x^{\frac{5}6} } \)

Step-by-step explanation:

Answer:

I dont get your question

Answer:

A is the answer.

Step-by-step explanation:

In the first, we must know i^2 is (-1)

so we can get the answer is A.

A.(3x + 2i)(3x − 2i)

= (3x)^2 - (2i)^2

= 9x^2 + 4 (Answer)

B. (3x + 2)(3x − 2) = 9x^2 - 4

C. (3x + 2i)^2

= 9x^2 + 12ix - 4

D. (3x + 2)^2

= 9x^2 + 12x + 4

In order to calculate the z-scores for the given Confidence Interval (CI) levels, we need to use the Z-table. It is also known as the standard normal distribution table. Here are the z-scores for the given Confidence Interval levels:1. 68% CI: The confidence interval corresponds to 1 standard deviation on each side of the mean.

Thus, the z-score for the 68% \(CI is ±1.00.2. 85% CI\): The confidence interval corresponds to 1.44 standard deviations on each side of the mean.

We can calculate the z-score using the following formula:\(z = invNorm((1 + 0.85)/2)z = invNorm(0.925)z ≈ ±1.44\)Note that invNorm is the inverse normal cumulative distribution function (CDF) which tells us the z-score given a certain area under the curve.3. 99% CI: The confidence interval corresponds to 2.58 standard deviations on each side of the mean. We can calculate the z-score using the following formula:\(z = invNorm((1 + 0.99)/2)z = invNorm(0.995)z ≈ ±2.58\)

Note that in general, to calculate the z-score for a CI level of (100 - α)% where α is the level of significance, we can use the following formula:\(z = invNorm((1 + α/100)/2)\) Hope this helps!

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The correct option is C, the area of the triangle is 9 square units.

For a triangle of base B and height H the area is:

A = B*H/2

Here we can see that:

B = x

H = 2x

And we know that x = 6 - 3 = 3

Then we can use the value of x to find the values of H and B.

B = 3

H = 2*3 = 6

Now we can replace these two values in the formula for the area, then we will get the area of the triangle:

A = 3*6/2 = 3*3 = 9 square units.

When x = 3, the area is 9 square units.

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Equilibrium is the term refers to coordination, balance, and balance in three dimensional space.

The equilibrium condition of an object exists when Newton's first law is valid. An object is in equilibrium in a reference coordinate system when all external forces (including moments) acting on it are balanced. This means that the net result of all the external forces and moments acting on this object is zero.

There are three types of equilibrium: stable, unstable, and neutral.

Examples of equilibrium in everyday life:

A book kept on a table at rest. A car moving with a constant velocity. A chemical reaction where the rates of forward reaction and backward reaction are the same.

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The major key with 2 flats is :

B♭ major

Answer:

The key of B♭ major has two flats

Step-by-step explanation:

An accidental sign consisting of two flat symbols ♭that lower a note by two half steps two semitones. The double flat symbol alters the pitch of the note to which it is attached as well as any subsequent occurrence of the same note identical line or space in the same measure.

Hope this helps

~Heaven~

From given polynomial, (7x²-6x-6)(2x-4) in form ax³+bx²+cx+d  a,b,c and d are 14,-40,12 and 24.

What exactly are polynomials?

Polynomials are algebraic formulas with variables and coefficients. Variables are sometimes known as indeterminates. For polynomial expressions, we can do mathematical operations such as addition, subtraction, multiplication, and positive integer exponents, but not division by variable. x2+x-12 is an example of a polynomial with one variable. There are three terms in this example: x2, x, and -12.

It is categorised based on the number of words in the phrase.

Monomial:-A monomial expression is one that has only one term. The single term in an expression must be non-zero in order for it to be a monomial. A 5x,3 are examples of monomials.

Binomial:- A binomial expression is a polynomial expression with precisely two terms. A binomial is defined as the sum or difference of two or more monomials. Binomials include the following:

– 5x+3, 6a^4 + 17x.

Trinomial:-A trinomial is an expression that has precisely three terms. Trinomial expressions include the following:

– 8a^4+2x+7, 4x^2 + 9x + 7.

Now,

Given polynomial is  (7x²-6x-6)(2x-4)

=14x³-12x²-12x-28x²+24x+24

=14x³-40x²+12x+24

For general form ax³+bx²+cx+d, Here a=14, b=-40, c=12 and d=24.

Hence,

          From given polynomial, (7x²-6x-6)(2x-4) in form ax³+bx²+cx+d  a,b,c and d are 14,-40,12 and 24.

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On average, a customer spends approximately 1.16 minutes waiting time on hold before they can start speaking to a representative.

To find the average waiting time for a customer on hold before they can start speaking to a representative, we need to consider both the arrival rate of calls and the average service time of the staff members.

Given:

9 staff members taking calls.

On average, one call arrives every 5 minutes (standard deviation of 5 minutes).

Each staff member spends on average 18 minutes with each customer (with a standard deviation of 27 minutes).

To calculate the average waiting time, we need to use queuing theory, specifically the M/M/c queuing model. In this model:

"M" stands for Markovian or memoryless arrival and service times.

"c" represents the number of servers.

In our case, we have an M/M/9 queuing model since we have 9 staff members.

The average waiting time for a customer on hold is given by the following formula:

Waiting time = (1 / (c * (μ - λ))) * (ρ / (1 - ρ))

Where:

c = number of servers (staff members) = 9

μ = average service rate (1 / average service time)

λ = average arrival rate (1 / average interarrival time)

ρ = λ / (c * μ)

First, let's calculate the average arrival rate (λ):

λ = 1 / (average interarrival time) = 1 / 5 minutes = 0.2 calls per minute

Next, calculate the average service rate (μ):

μ = 1 / (average service time) = 1 / 18 minutes = 0.0556 customers per minute

Now, calculate ρ:

ρ = λ / (c * μ) = 0.2 / (9 * 0.0556) ≈ 0.407

Finally, calculate the waiting time:

Waiting time = (1 / (c * (μ - λ))) * (ρ / (1 - ρ))

= (1 / (9 * (0.0556 - 0.2))) * (0.407 / (1 - 0.407))

≈ 1.16 minutes

Therefore, on average, a customer spends approximately 1.16 minutes waiting on hold before they can start speaking to a representative.

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Answer:

(1, 0 )

Step-by-step explanation:

A translation of 5 units left means subtract 5 from the x- coordinate

A translation of 1 unit down means subtract 1 from the y- coordinate, thus

(6, 1 ) → (6 - 5, 1 - 1 ) → (1, 0 )

The least sample size needed to assure with 90% confidence that the sample mean will not differ from the population mean by more than 5 minutes will be 416.16.

A normal distribution is a data set design in which the majority of values cluster around the middle of the range and the remainder taper off symmetrically toward either end. Data in a normal distribution are symmetrically distributed and have no skew. The majority of values cluster around a central location, with values decreasing as one moves out from the center. In a normal distribution, the measures of central tendency (mean, mode, and median) are all the same. The normal distribution, like any other probability distribution, defines how the values of a variable are distributed. Because it properly captures the distribution of values for many natural occurrences, it is the most important probability distribution in statistics.

Here,

The z value at the 90 percent confidence interval is 1.645.

t ≥ z*s/√n

5≥1.645*62/√n

√n≥20.398

√n≥20.4

n≥416.16

The smallest sample size required to ensure that the sample mean does not deviate from the population mean by more than 5 minutes with 90% confidence is 416.16.

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Step-by-step explanation:

The number which is repeated more times will be mode...

So...

11 is Answer

Answer:

2.35

Step-by-step explanation:

Answer:

hello!

The answer is 2.35.

This always helped me. Lets ignore the whole numbers until the very end so we end up with 3/5-1/3.

With adding and subtracting, you have to have the same denominator so what can we multiply to each denominator to make them the same. Usually you want the lowest number so you have less simplifying at the end.

What we can do is 5*3 and 3*5. whatever you multiply the bottom with you have to multiply the top with, so 3*3 and 3*5 for the first one and it would come out as 9/15 and for the second one it would be 1*5 and 3*5 and it would come out as 5/15.

Your equation now is 9/15-5/15. For addition and subtraction you keep the denominator the same so you would only do 9-5=4

So your equation now is 4/15. Now go on to your whole numbers basically you just do 4-2=2

If you add those two solutions together you get 2 4/15

Answer:

35 average minutes at practice.

Step-by-step explanation:

Answer:

What do I find?

If it's the mean then the answer is 35.

Step-by-step explanation:

34, 30, 45, 30, 40, 38, 28 ==> 7 numbers

34+30+45+30+40+38+28=245

245/7=35

The probability of exactly 5 successes in 6 trials of a binomial experiment with a probability of success of 0.95 is 0.308 or approximately 30.8%.

What is the probability?

Probability is the study of the chances of occurrence of a result, which are obtained by the ratio between favorable cases and possible cases.

The probability of getting exactly k successes in n trials of a binomial experiment with a probability of success p is given by the formula:

\(P(k) = (n choose k) * p^{k} * (1-p)^{(n-k)}\)

where (n choose k) = n! / (k! * (n-k)!) represents the number of ways to choose k successes from n trials.

In this case, we have n = 6 trials, k = 5 successes, and p = 0.95 probability of success in any one trial.

Therefore, we can calculate the probability of getting exactly 5 successes in 6 trials as:

P(5) = (6 choose 5) * (0.95)⁵ * (1-0.95)⁽⁶⁻⁵⁾

= 6 * 0.95⁵ * 0.05¹

= 0.308

Therefore, the probability of exactly 5 successes in 6 trials of a binomial experiment with a probability of success of 0.95 is 0.308 or approximately 30.8%.

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Answer:

23.2

Step-by-step explanation:

Answer: A, C, 57

Step-by-step explanation:

I multiply by 0.40 for the first one, and then multiply by 1.0625. 0.40 = 40% and multiplying by 1.0625 is the same as adding 6.25%. For the second, I multiply by 0.70 because that is 70%. For the last, I multiply by 0.95 for the same reason.

Answer:966%

Step-by-step explanation:

To convert a decimal to a percent, we need to multiply the decimal by 100 and add a percent sign. So, to convert 9.66 to a percent, we do the following:

9.66 × 100% = 966%

Therefore, 9.66 is equivalent to 966% as a percent.

Answer: you divide by 100 and you get your answer

Step-by-step explanation:

9.66 ÷ 100 = 0.0966

Answer:

Mid point of A(9,2) and B(6,44) is (7.5, -1)

Step-by-step explanation:

I. If mid point = \(\frac{x_{a} +x_{b} }{2}\), \(\frac{y_{a}+ y_{b} }{2}\)

 So (x) = (9 + 6) / 2 = 7.5

       (y) = (2 + (-4)) / 2 = -1

So (x,y) = (7.5, -1)        

Leave more question below, I don't understand you question well.

Answer:

Yes

Step-by-step explanation:

I think it looks right I hate when teacher give you work but no telling you how to do it

Answer:

There is 57 snails after 14 weeks

Step-by-step explanation:

tripling every week means 3x

NOTE: x is defined as the number of weeks

started with 15 snails means at day 0 (x = 0 also known as y intercept)

y = mx + b       m is the slope, b is the y intercept

our equation: y = 3x + 15

y = 3(14) + 15

y = 42 + 15

y = 57

The perimeter of each region is 12 + 1.5π if a circle with an area of 36π is divided into 8 congruent regions

An equation is an expression that shows the relationship between two or more numbers and variables.

Let r represent the area of the circle, hence:

Area = πr²

36π = πr²

r = 6 units

Perimeter = 2πr = 2π(6) = 12π

The circle has 8 congruent regions, hence:

Perimeter of each region = 6 + 6 + 12π/8 = 12 + 1.5π

The perimeter of each region is 12 + 1.5π if a circle with an area of 36π is divided into 8 congruent regions

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The greatest possible value of a b ca b c occurs when aa, bb, and cc are the largest possible digits.

This value can be calculated by subtracting the two largest values of b n b_n from c n c_n for different values of nn and finding the maximum result.

Let's consider the largest possible digits for aa, bb, and cc. Since aa, bb, and cc are nonzero digits, the largest possible digit is 9.

To find the greatest possible value of a b ca b c, we need to find the maximum difference between c n c_n and b n b_n for different values of nn. Since a na n ​ has nn digits with all digits equal to aa, the maximum value of a na n ​ is nn times aa.

For b nb n ​, we have nn digits with all digits equal to bb, so the maximum value of b nb n ​ is nn times bb.

Lastly, for c nc n ​, we have 2n digits with all digits equal to cc. The maximum value of c nc n ​ is 2n times cc.

To find the maximum difference between c n c_n and b n b_n, we subtract b nb n ​ from c nc n ​:

c n - b n = (2n * cc) - (nn * bb)

We can calculate this difference for different values of nn and find the maximum result. The largest possible value of a b ca b c occurs when this difference is maximum.

Please note that specific values of nn, aa, bb, and cc are not provided, so we cannot calculate the exact value. However, the approach described above can be used to find the greatest possible value based on the given conditions.

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Answer: it is {101, 110, 119, 128, 137, 146}

Step-by-step explanation:

wheres the question?

Answer:

It will be the first option

Step-by-step explanation:

Answer:

3m + 13 = 31 I hope this helps you!

Answer:

x = -8 and y = 5 OR x = 6.25 and y = 0.25

Step-by-step explanation:

x = 7 - 3y (substitute in other equation)

x² - y² = 39

(7 - 3y)² - y² = 39

49 - 42y + 9y² - y² = 39

8y² - 42y + 10 - 0

4y² - 21y + 5 = 0

21 ± √441 - 80 / 8

= 21 ± 19 / 8

y = 40/8 = 5 or 2/8 = 0.25

Case 1: y = 5

x = 7 - 3(5)

= 7 - 15

= -8

Case 2: y = 0.25

x = 7 - 3(0.25)

x = 6.25

Answer:

(-8,5) and (6.25,0.25)

Step-by-step explanation:

Crnext77 has already answered this correctly, and with the preferred approach, with an algebraic substitution.  Another way to confirm the answer is to graph both equations and find the points they intersect.  See the attached image.  At a minimum, it helps with understanding how many solutions may be possible, and their approximate values.

Tyler's current Batting Average is 0.266.

Two or more expressions with an Equal sign is called as Equation.

To calculate Tyler's Slugging Percentage, we need to add up the total number of bases he has earned from his hits, then divide that by the total number of at-bats he has had.

Total bases = (74 × 1) + (13 × 2) + (11 × 3) + (4 × 4) = 117

Slugging Percentage = Total bases / At-bats 4

= 117 / 383

= 0.305

Therefore, Tyler's current Slugging Percentage is 0.305.

Divide the total number of hits he has by the total number of at-bats.

Total hits = 74 + 13 + 11 + 4 = 102

Batting Average = Total hits / At-bats

= 102 / 383

= 0.266

Therefore, Tyler's current Batting Average is 0.266.

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About 125 students play a sport and about 65 students are in the play.

To find the number of students who play a sport and those who are in the play, we need to use the given percentages and round the answers to the nearest whole.
Find the number of students who play a sport:
Multiply the total number of students (145) by the percentage of students who play a sport (86%).
145 × 0.86 = 124.7
Round the answer to the nearest whole number:
Approximately 125 students play a sport.
Find the number of students who are in the play:
Multiply the total number of students (145) by the percentage of students who are in the play (45%).
145 × 0.45 = 65.25
Round the answer to the nearest whole number:
Approximately 65 students are in the play.

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