Pls help asap!! due in a hour:( thanks in advance

Answer:

y=x+5

Step-by-step explanation:

y increases by 5 so in y=mx+b b=5 and x increases by 1 so still x thus the answer is y=x+5

The number of possible combinations of three coins from the bag of 16 coins with different dates can be calculated using the formula for combinations, which is nCr = n! / r!(n-r)!, where n is the total number of objects, r is the number of objects to be chosen, and ! denotes factorial (the product of all positive integers up to the given number).

In this case, we have n = 16 (the total number of coins in the bag) and r = 3 (the number of coins to be chosen for each combination). Using the formula for combinations, we can calculate the number of possible combinations as follows:

nCr = 16! / 3!(16-3)!
nCr = (16 x 15 x 14) / (3 x 2 x 1)
nCr = 560

Therefore, 560 possible combinations of three coins can be chosen from the bag of 16 coins with different dates. These combinations could represent different historical events, significant dates, or other symbolic meanings depending on the dates inscribed on the coins. The calculation of combinations is an important concept in combinatorics and probability theory, and it has many real-world applications in fields such as statistics, economics, and computer science.

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The correct option is the third one; (14, 4); The vertex represents the maximum profit.

For a general quadratic equation

y = ax² + bx + c

The vertex is at the x-value:

x = -b/2a

Here the quadratic function is:

f(x)=  -x² + 28x - 192

The vertex is at:

x = -28/2*-1 = 14

Evaluating in x= 14 we get:

f(14) = -14² + 28*14 - 192 = 4

So the vertex is at (14, 4), and because the leading coefficient is negative, this is the maximum profit.

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Answer:

Negative

Step-by-step explanation:

I dont really know how to explain it but it is a negative correlation.

9514 1404 393

Answer:

  positive correlation

Step-by-step explanation:

The general trend of the data is upward to the right, so the trend line has a positive slope. The sign of the correlation matches the sign of the slope of the trend line. The correlation is positive.

__

The data is well-scattered about that "trend line," so the correlation would be only slightly positive.

Answer:

if u have any doubts feel free to ask :)

Step-by-step explanation:

Sum of ratio : 9 + 7 + 4 = 20

a)

Adele share :

                   \(\frac{9}{20} \times 680 = 9 \times 34 = \$ 306\)

b)

Barbara share :

                    \(\frac{7}{20} \times 680 = 7 \times 34 =\$ 238\)

Collette share :

                     \(\frac{4}{20} \times 680 = 4 \times 34 = \$ 136\)

c)

    $            €

 1.125           1

 306            x

    \(\frac{1.125}{306} = \frac{1}{x}\)          [cross multiply]

\(x =\frac{ 306} {1.125}\)

x = €272

Adele receives = €272

d)

Apple        Cost

 1 kg         2.69

 5 kg          y

y = 2.69 x 5 = $13.45

Cost of 5kg of apples = $13.45

Cost of 3 kg bananas = 17.56 - 13.45 = $4.11

Banana             Cost

  3kg                 4.11

   1 kg                 z

  \(z = \frac{4.11}{3}\)

z = $1.37

Cost per kilogram of banana = $1.37

e) Collette share = $136

Half of it on clothes = (1/2) x 136 = $68

(1/5) of her share on books = (1/5) x 136 = 27.20

Balance amount with her = 136 - 27.20 - 68 = $ 40.80

Answer:

d = \(\frac{C}{3.14}\)

Step-by-step explanation:

Given

C = 3.14d ( isolate d by dividing both sides by 3.14 )

\(\frac{C}{3.14}\) = d

Answer:

5,874,589,152,000 mi.

Step-by-step explanation:

Answer:

11

Step-by-step explanation:

Three times an unknown number

= 3(n)

Added to

Two less than four times the same unknown number

= 4 - 2(n)

Total

= 3(n) + 4 - 2(n) = 15

= 3n + 4 - 2n = 15

Collect like terms

= 3n - 2n = 15 - 4

n = 11

that it is important for likert-type scale response choices to be balanced at the ends of the response continuum. This means that there should be an equal number of positive and negative response options to avoid any bias or skew in the results.

An explanation for this is that if there are too many positive or negative response options, respondents may feel pressured to choose a certain option even if it doesn't accurately reflect their true opinion. This can result in inaccurate data and can skew the results of the survey or study.

balancing the response choices on a likert-type scale is crucial for obtaining accurate and unbiased data. By having an equal number of positive and negative options, respondents are more likely to provide honest and accurate responses.

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Answer:  

The 20-ounce glass of orange juice at $1.50 is a better buy than the 16-ounce glass at $1.10. Paying only 40 cents more for 4 more ounces of juice is a smarter choice.

Step-by-step explanation:

7.7%. is  the rate of unemployment.

According to our question-

Unemployment rate = number of unemployed people / total number of unemployed people * 100

Similarly,

Workforce = Employed + Unemployed

Unemployed = 130 million - 120 million. That's 10 million.

For this reason,

Unemployment rate = 10 / 130 * 100

Unemployment = 7.69% or about 7.7%.

Hence, 7.7%. is  the rate of unemployment.

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A customer would  be charged $ 52 for an international phone call that started at 9:35 p.m. and ended at 11:15 p.m. the same day.

Charge for first 5 charged = $ 4.50

Charge for additional time = $ 0.50 per minute

Starting time = 9:35 p.m.

End time = 11:15 p.m.

Total minutes = 100 minutes

Total charge = 4.50 + (95 x 0.50)

                  = 4.50 + 47.50

                  = 52.00

Hence, a customer would  be charged $ 52 for an international phone call that started at 9:35 p.m. and ended at 11:15 p.m. the same day i.e. for 100 minutes.

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If the  dividend of  $1.50 is expected in two months. The European put price is $3.03.

Given:

K=50, r=0.1, σ=0.3, and T=0.25

First step is to find the stock price

S0 = 50−1.50e^ -0.1667×0.1

SO=48.52

Second step is to find di and d2

d1=In(48.52/50)+(0.1+0.09/2)0.25/0.3√0.25

d1 = 0.0414

d2=d1-0.3√0.25

d2 = -0.1086

Third step is to calculate European put price

European put price=-50N(0.1086)e^ -0.1×0.25−48.52N(−0.0414)

European put price=50×0.5432e -^0.1×0.25−48.52×0.4835

European put price=$3.03

Therefore If the  dividend of  $1.50 is expected in two months. The European put price is $3.03.

The complete question is:

Calculate the price of a three-month European put option on a non-dividend-paying stock with a strike price of $50 when the current stock price is $50, the risk-free interest rate is 10% per annum, and the volatility is 30% per annum. What difference does it make to your calculations in problem 29 if a dividend of $1.50 is expected in two months?

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The Macaulay duration of a bond is a measure of the weighted average time until the bond's cash flows are received.

To calculate the Macaulay duration, we need the bond's cash flows and the yield to maturity. In this case, the bond has a coupon rate of 12 percent, sells at a yield to maturity of 14 percent, and matures in 15 years. The second paragraph will explain how to calculate the Macaulay duration.

To calculate the Macaulay duration, we need to determine the present value of each cash flow and then calculate the weighted average of the cash flows, where the weights are the proportion of the present value of each cash flow relative to the bond's price.

In this case, the bond has a coupon rate of 12 percent, so it pays 12 percent of its face value as a coupon payment every year for 15 years. The final cash flow at maturity will be the face value of the bond.

To calculate the present value of each cash flow, we discount them using the yield to maturity of 14 percent.

Next, we calculate the weighted average of the cash flows by multiplying each cash flow by its respective time until receipt (in years) and dividing by the bond's price.

By performing these calculations, we can determine the Macaulay duration, which represents the weighted average time until the bond's cash flows are received.

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Answer:

\(-6x^5+8x^4-14x^3\)

Step-by-step explanation:

\(-2x^3(3x^2-4x+7)\)   Use distributive property

\(-2x^3\) · \(3x^2\) = \(-6x^5\)      

\(-2x^3\) · \(-4x\) = \(8x^4\)       Product becomes positive because of two negatives

\(-2x^3\) · \(7\) = \(-14x^3\)

Group all of those numbers together (in order)

\(-6x^5+8x^4-14x^3\)

The business cycle is a recurring pattern of economic expansion and contraction that occurs in economies over time. Each business cycle typically consists of four phases: expansion, peak, contraction, and trough.

The peak is the highest point of economic activity within a business cycle. It marks the end of the expansion phase and the beginning of the contraction phase. During this phase, economic indicators, such as GDP, employment, and consumer spending, reach their highest levels.

The peak is indeed a part of the business cycle. It represents the phase of maximum economic activity and is characterized by various indicators reaching their highest points. This phase is followed by the contraction phase, where economic activity slows down. Therefore, the peak is a crucial element in understanding and analyzing business cycles.

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Step 1

Simplify the expression.

Step 2

Find a trigonometric identity that can be used to simplify the expression in step 1

Step 3

Get the final answer after substitution.

Hence the right answer is option B

Answer:

x = 2

Step-by-step explanation:

16x - 2 = 30

16x = 30 + 2

16x = 32

x = \(\frac{32}{16}\)

x = 2

Answer:

x = 2

Step-by-step explanation:

Given

16x - 2 = 30 ( add 2 to both sides )

16x  = 32 ( divide both sides by 16 )

x = 2

Answer:

The answer is 434.9 cm³.

Step-by-step explanation:

Given that the formula is 4/3×π×r³ so you have to substitute the value of r into the formula :

\(v = \frac{4}{3} \pi {r}^{3} \)

\(let \: r = 4.7\)

\(v = \frac{4}{3} \times \pi \times {4.7}^{3} \)

\(v = 434.9 \: {cm}^{3} \: (1d.p)\)

Step-by-step explanation:

According to the information given and the formula

(4/3)×(3/14)×(4.7×4.7×4.7)=434.67

Answer:

its A

Step-by-step explanation:

The solution to the given system of linear equations is x = 4, y = 20

From the question, we are to determine solution to the given system of equations

The given system of equations is

x+y=6x=y+4

Thus, we can write that

x + y = 6x ----------- (1)

and

6x = y + 4 ------------(2)

Solve the two equations simultaneously

From equation (1)

x + y = 6x

y = 6x - x

y = 5x --------- (3)

Substitute into equation (2)

6x = y + 4

6x = 5x + 4

6x - 5x = 4

x = 4

Substitute the value of x into equation (3)

y = 5x

y = 5(4)

y = 20

Hence, the solution to the given system of linear equations is x = 4, y = 20

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In a 8.5 x 10⁻⁴ M solution, the percentage of dissociation would be > 4.6%. This is because the concentration of the weak acid is lower, and weak acids tend to dissociate more in dilute solutions.

To answer this question, we can use the relationship between the concentration of the weak acid, its dissociation constant (Ka), and the percentage of dissociation. Since we don't know the Ka of the acid, we cannot directly calculate the percentage of dissociation in the 8.5 x 10^-4 M solution.

However, we can make an assumption that the weak acid behaves similarly in both solutions, since the concentration difference is only by a factor of 10. This means that the percentage of dissociation in the 8.5 x 10^-4 M solution should be similar to that in the 8.5 x 10^-3 M solution.

Therefore, the answer is: the same.

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The probability of receiving exactly 6 purchase orders in 5 minutes is 0.104, or about 10.4%.

The mean of the Poisson distribution is λ, which represents the average number of events in a given time period. In this case, the company receives an average of 0.8 purchase orders per minute, so the mean number of purchase orders in 5 minutes would be:

λ = (0.8 orders/min) x (5 min) = 4 orders

Thus, the Poisson distribution for the number of purchase orders in 5 minutes has a mean of 4. To calculate the probability of receiving 6 purchase orders in 5 minutes, we use the Poisson probability formula:

\(P(X = 6) = (e^(-λ) * λ^6) / 6!\)

where X is the random variable representing the number of purchase orders in 5 minutes.

Plugging in the values, we get:

\(P(X = 6) = (e^(-4) * 4^6) / 6! = 0.104\)

Therefore, the probability of receiving exactly 6 purchase orders in 5 minutes is 0.104, or about 10.4%.

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Answer:

Infinitely many solutions

Step-by-step explanation:

Hi there!

\(9(x-8) + 24 = 9x - 48\\9x-72 + 24 = 9x - 48\\9x-48 = 9x - 48\)

Because the left side is equal to the right side, there are infinitely many solutions.

I hope this helps!

Answer:

0.259

Step-by-step explanation:

There are some rules in determining what numbers are significant figures.

We can determine how many significant figures the number currently has.

There are currently seven significant figures. In order to round the number to three significant figures, we must round it to the thousandths place, or the 9.

The rounding rules are:

Since 0 is less than 5, the number rounded to 3 significant figures is 0.259.

Answer:

B) is false

Explanation:

A triangle canot have 2 abtuse angles and one acute angle.

Answer:

B is false

Step-by-step explanation:

a is true because an equilateral triangle has three acute angles (60 degrees)

c is true because an iscoceles triangle can be drawn with one obtuse angle and two acute angles.

d is true because a right angled triangle can be drawn with one right angle  and two acute angles.

b is false because neither an equilateral, iscoceles, right-angled, or scalene triangle can be drawn with two obtuse angles.

The most famous version of the song was recorded by the Nitty Gritty Dirt Band. "Will the Circle Be Unbroken" is a traditional Christian hymn that has been recorded by many artists over the years.

However, the most famous version of the song was recorded by the Nitty Gritty Dirt Band in 1972 as a collaborative project that featured a wide variety of country, bluegrass, and folk musicians, including legends such as Mother Maybelle Carter, Earl Scruggs, and Doc Watson. The three-disc album was a critical and commercial success and helped to popularize traditional country and bluegrass music among a wider audience. The Nitty Gritty Dirt Band's rendition of "Will the Circle Be Unbroken" remains a beloved classic in the history of American music.

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To calculate the probability of first pulling out a color other than green, eating it, and then pulling out a green, we need to consider the number of jelly beans of each color in the bag and the total number of jelly beans.

Total number of jelly beans = 50

Number of green jelly beans = 15

First, let's calculate the probability of pulling out a color other than green on the first try:

Probability of pulling a non-green jelly bean on the first try = (Total non-green jelly beans) / (Total number of jelly beans)

Probability of pulling a non-green jelly bean on the first try = (50 - 15) / 50 = 35 / 50 = 7/10

After eating the first jelly bean, there are now 49 jelly beans in the bag. Since you ate one jelly bean, the number of green jelly beans remains the same, which is 15.

Next, let's calculate the probability of pulling out a green jelly bean on the second try:

Probability of pulling a green jelly bean on the second try = (Number of green jelly beans) / (Total number of jelly beans after eating one)

Probability of pulling a green jelly bean on the second try = 15 / 49

Therefore, the probability of first pulling out a color other than green, eating it, and then pulling out a green is:

(7/10) * (15/49) = 105/490 = 3/14.

So, the probability is 3/14.

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