Rachel tutors English. for each hour that she tutors, she earns 50 dollars. Let E be her earnings (in dollars) after tutoring for H hours. Write an equation relating E to H. Then use this equation to find Rachel’s earnings after tutoring for 19 hours

Answer: $15.6

Step-by-step explanation:

Sanita pays $63 for 5 posters that are $3 off each, if you divide 63 by 5 you will get $12.6, so you have to add $3 to $12.6 to get 15.6 which was the original price of one poster.

The regular price of one poster $15.6

Sanita pays $63 for 5 posters that are $3 off each.

Regular price means the price at which similar goods or services are regularly sold on the market.

If she divide 63 by 5 she will get $12.6

Therefore  we have to add $3 to $12.6 to get 15.6

It was the original price of one poster.

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Answer:

x≈11.5

Step-by-step explanation:

sin(35)=x/20

x=20*sin(35)≈11.5

Answer:

20 cm

Step-by-step explanation:

5x + 32 + 6x + 4 = 80

11x + 36 = 80

11x = 44

x = 4

sides of triangle:

5(4) = 20 cm

32 cm

6(4) + 2 = 26 cm

If the expression is log₂9-log₂3, then it will look like \(log_{2}3\) in single logarithm.

Given that the expression is log₂9-log₂3.

We have to give the single logarithm for the given expression.

The quotient rule for logarithms tells us that the logarithm of a quotient is equal to a difference of logarithms. Just as with the product rule we also can use the inverse property to derive the quotient rule. The quotient property basically says that log (m/n)=log m-log n.

The expression is log₂9-log₂3.

log₂9-log₂3=\(log_{2}\)(9/3)

We can write it as \(log_{2}3\).

Hence if the expression is log₂9-log₂3, then it will look like \(log_{2}3\) in single logarithm.

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The 25 percent of 401.16m is equal to 100.29m, rounded to 2 decimal places as 100.30m.

To calculate 25% of 401.16m, we can use the formula:

percentage × value = result

where the percentage is 25%, the value is 401.16m, and the result is what we want to find.

So, we can write:

25% × 401.16m = (25/100) × 401.16m = 0.25 × 401.16m = 100.29m

Therefore, 25% of 401.16m is equal to 100.29m.

To round this to 2 decimal places, we need to look at the third decimal place, which is 9. Since 9 is greater than or equal to 5, we round up the second decimal place, which is 0. Therefore, the final answer rounded to 2 decimal places is:

100.29m rounded to 2 decimal places is 100.30m.

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Answer:

2740.5

Step-by-step explanation:

This is what I got why I did was multipley them

Answer:

2740.5

Step-by-step explanation:

This is what I got when I multipled

As a result, the answer to the provided linear equation problem is that the iteration runs in an acceptable amount of time and does not rise exponentially.

A linear equation is represented by the algebraic expression y=mx+b. B is the y-intercept, and m is the slope. A "simple formula with 2 factors," where both y and x are variables, is what the previous sentence was referred to as. Calculations with two variables are referred to as "bivariate linear equations." Here are a few illustrations: 2x - 3 = 0; 2y = 8; m + 1 = 0; x/2 = 3; x + y = 2; and 3x - y + z = 3 are the results. A mathematical equation is considered to be linear if its solution has the format y=mx+b, where m stands for the slope and b for the y-intercept.

Here,

Based on how quickly iterations rise as input increases, fair and unreasonable algorithms can be distinguished. Since the algorithm does not grow exponentially, we can infer that it completes in an acceptable amount of time.

assessing the mathematical function that represents the algorithm's growth rate when input is added;

200 = 10k, where k is the proportionality constant.

k = 200/10

k = 20

The function that represents the number of iterations is as a result:

I = input size; n = 20i; represents the number of iterations.

As a result, the answer to the provided linear equation problem is that the iteration runs in an acceptable amount of time and does not rise exponentially.

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Answer:

Parallel slope: 2

Perpendicular slope: -1/2

Step-by-step explanation:

For a parallel line, the slope are the same.  The slope is the number before the x.

For perpendicular slopes, you turn the slope upside down and take the opposite sign.

Dodie's triangular plot with 160 rose plants will have 12 rows.

To solve it,

Assigning a variable to the number of rows we want to find. Assume that this variable is "n".

Since there are 5 more plants in each row than in the previous row,

We can use an arithmetic sequence to represent the number of plants in each row.

Specifically, the first row will have 1 plant, and the second row will have

1 + 5 = 6 plants, the third row will have 1 + 5 + 5 = 11 plants, and so on.

The formula for an arithmetic sequence is,

an = a1 + (n-1)d

Where an is the nth term of the sequence,

a1 is the first term,

And d is a common difference.

Using this formula, we can write an expression for the total number of plants in all n rows,

160 = n/2 (2 + (n-1)5)

Simplifying this equation, we get,

160 = 2.5n² + 2.5n - 5

Now we can solve for n using the quadratic formula,

n = (-2.5 ± √(2.5²+ 4(2.5)(165)))/(2(2.5))

After simplifying this equation, we get two solutions,

n = -13.2 and n = 12.2.

Since we can't have a negative number of rows, we'll take the positive solution, n = 12.2.

Now, since we can't have a fraction of a row, we'll round down to the nearest integer.

Therefore, Dodie's plot will have 12 rows.

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Answer:

3

Step-by-step explanation:

The slope of a line parallel to another should be the same, therefore the answer is 3. To ensure the lines do not overlap make sure the y-intercepts are different.

Answer:

sorry

Step-by-step explanation:

im so sorry

The inverse Laplace transforms of the given functions.
\(a) F(s) = (s^{n+1} * n!) / (s^{n+1})\)

Simplify F(s).
F(s) = n! (since\(s^{n+1}\) in the numerator and denominator cancels out)
Apply the inverse Laplace transform.

\(L^(-1){n!} = t^n * u(t)\)

\((a): t^n * u(t)\), where u(t) is the unit step function.
b) F(s) = (2s + 1) / (4s^2 + 4s + 5)
Rewrite F(s) in the standard form for inverse Laplace transforms of a quadratic denominator.
\(F(s) = (2s + 1) / (2s + 1)^2\).

Apply the inverse Laplace transform using the property \(L^{-1}{1 / (s + a)^2} = t * e^{-a*t} * u(t).\)
In our case, a = 1.
\(L^{-1}{(2s + 1) / (2s + 1)^2} = t * e^{-t}* u(t)\)
\((b): t * e^(-t) * u(t),\)  where u(t) is the unit step function.

The Laplace transform is a mathematical technique used to convert a function of time into a function of complex frequency.

The inverse Laplace transform is the reverse process, which is used to convert a function of complex frequency back into a function of time.

The inverse Laplace transform is defined as follows:

f(t) = (1/2πi) ∫γ [\(F(s) e^{st} ds\) ]

where f(t) is the function of time, F(s) is the Laplace transform of f(t), γ is a contour in the complex s-plane that encloses all the poles of F(s), and i is the imaginary unit.

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Answer:

4 is the correct answer

Step-by-step explanation:

|-7| = 7

|3| = 3

7 - 3 = 4

Answer: The mass of the remaining element = 1.1 grams .

Step-by-step explanation:

Exponential equation of decay: \(y=A(1-r)^x\) ...(i), where A = intial value , r= rate of decay in decimal , x= time.

As per given :

Initial mass : A= 140 grams

Rate of decay : r= 21.6% per minute= 0.216 per minute.

x= 20  minutes

Substitute values in (i) , we get

\(y=140(1-0.216)^20\\\\=140(0.784)^2^0=1.077579422\)

Hence, the mass of the remaining element = 1.1 grams .

Answer:

I know this is late but the actual answer is d=3s+-50

Step-by-step explanation:

The reason is because he is swimming down, so yeah.

Answer: 3/5

Step-by-step explanation:

Since 10 divided by 5 = 2 (denominator), you should also divide 6 by 2(numerator).

A).  (P-.75 and 1-P-25) is the correct option. If the predicted odds of buying are 3:1

This is a bit of a tricky question, but I will do my best to give you a long answer that explains the different components at play here. First, let's start with the term "predicted odds of buying." This term refers to the likelihood that someone will make a purchase based on some kind of analysis or prediction. In this case, the odds are given as 3:1, which means that for every 3 people who are predicted to buy, 1 person is predicted not to buy.

Option A (P-.75 and 1-P-25) refers to the probabilities of buying (P) and not buying (1-P), and suggests that the probability of buying is 0.75 (or 75%) and the probability of not buying is 0.25 (or 25%). Option B (OP-25 and 1-D-75) is similar, but uses the term "OP" instead of "P." It also suggests that the probability of not buying is 0.75 (or 75%) and the probability of buying is 0.25 (or 25%).

Finally, option C (None of the Above) suggests that neither of the previous options are correct.
The answer is actually option A (P-.75 and 1-P-25). This is because the odds of buying (3:1) can be converted into probabilities by dividing the number of predicted buyers by the total number of predicted buyers and non-buyers. In this case, there are 3 predicted buyers for every 1 predicted non-buyer, so the probability of buying is 3/4 (or 0.75) and the probability of not buying is 1/4 (or 0.25).

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1. C. Gravity is a force that acts as an inversely proportional square law with respect to distance.

2. B. Type Ia supernovae

3. D. Downwards; towards the center of the Sun

The interpretation of the equations and the correct options for the given questions are as follows:

Question 1:

The equation interpretation is related to gravity. The equation states a relationship between gravity and distance. The correct option is:

C. Gravity is a force that acts as an inversely proportional square law with respect to distance.

Question 2:

To test how the constant G (gravitational constant) has changed over the evolution of the Universe, certain phenomena or objects are used. The correct option is:

B. Type Ia supernovae

Question 3:

Based on the excerpt, the direction of gravity from the Sun is described. The correct option is:

D. Downwards; towards the center of the Sun

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Answer:

D!!

Step-by-step explanation:

(30)

lol np

Answer:

Step-by-step explanation:

The equation for this surf instructors' price would be y = 8x + 12.

The y-intercept would be located at (0,12) as that is the initial price that the instructor charges before pricing hourly.

Hope this helps, but if you have any questions, please let me know. :)

Answer:

103 at most and 87 at least

Step-by-step explanation:

95-8=87 seeds

95+8=103 seeds

Answer with step-by-step explanation:

Max: 25 + 3 = 28

Min: 25 - 3 = 22

Hope this helped!

To solve this question, follow the steps below.

Step 01: Find the LCM of 5 and 6 (denomitators).

5, 6 | 2

5, 3 | 3

5, 1 | 5

1, 1

The LCM is 2*3*5 = 30

Step 02: Rewrite the fractions using 30 as the denominator.

To do it, divide 30 by the original denominator and multiply the result by the numerator.

Step 03: Solve the expression.

First, since the fractions have the same denominator, you can write them using only one denominator:

Now, remove the parentheses by solving the multiplications.

Adding like terms:

Answer:

The smallest sample observation that can increase 8.1 without changing the sample median's value is 4.4.

The median is the value that divides a data sample, a population, or a probability distribution's upper and lower halves in statistics and probability theory. It could be referred to as "the middle" value for a data set. Simply expressed, the sample median is the middle value after sorting the observations in ascending order if the sample size is odd. The sample median is the average of the two middle values if the sample size is equal. The data set's median value is the value that falls in the middle, ordered by magnitude. The sample median is the average of the two middle terms when the number of samples in the data set is even. When the data set is symmetrically distributed, the sample mean serves as a reliable indicator of the central tendency.

The median can be calculated as (12.5+12.6)/2=12.55.

The incremented least observed value is 12.5-8.1=4.4, and the difference is that.

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Answer:

A.

Step-by-step explanation:

The formula A = | ax (by - cy) + bx (cy - ay) + cx (ay - by) | / 2 is used to find the area of a parallelogram whose vertices are given. The vertices are (-2, 0), (0, 3), (1, 3), and (-1, 0). The area of the parallelogram is 11/2 square units.

To find the area of a parallelogram whose vertices are given, we use the formula

A = | ax (by - cy) + bx (cy - ay) + cx (ay - by) | / 2 .

Here, ax and ay are the x and y coordinates of vertex A, bx and by are the x and y coordinates of vertex B, and cx and cy are the x and y coordinates of vertex C. Given the vertices are (-2, 0), (0, 3), (1, 3), and (-1, 0).We will use the above formula to find the area of the parallelogram.

Area = |(-2(3)-0(1)+1(0)) + (0(0)-3(-1)+(-1)(-2))|/2

=|(-6+0+0)+ (0+3+2)|/2

=11/2 square units.

Hence, the area of the parallelogram whose vertices are (-2, 0), (0, 3), (1, 3), and (-1, 0) is 11/2 square units.

Therefore, the answer is: The area of the parallelogram whose vertices are (-2, 0), (0, 3), (1, 3), and (-1, 0) is 11/2 square units.

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Step-by-step explanation:

\(8x - 7y = 23\)

\(7y = 8x - 23\)

\(y = \frac{8x}{7} - \frac{23}{7} \)

Answer:

\(-54\)

Step-by-step explanation:

The net change of \(g(t)\) from \(-3\) to \(7\) is just \(g(7) -g(-3)\).

Given:

\(g(t) = 2 -t^2\)

Solution:

\(g(7) -g(-3) \\ (2 -(7)^2) -(2 -(-3)^2) \\ (2 -49) -(2 -9) \\ -47 -7 \\ -54\)