Question 2 (5 points)

ABC is a right triangle
AC=12
CB=9

Blank #1 Find AB
Do not label

Blank #2. Find /A
Round your answer to the nearest whole number. Do not include a degree sign

Blank #3 Find /C
Round your answer to the nearest whole number. Do not include a degree sign.

Blank #4 Find /B
Round your answer to the nearest whole number. Do not include a degree sign

Question 2 options:

Answer:

A

Step-by-step explanation:

The shipping fee is given as follows:

C. $6.00.

The slope-intercept representation of a linear function is given by the equation presented as follows:

y = mx + b

The coefficients of the function and their meaning are described as follows:

When the number of books increases by 5, the costs increase by $15, hence the slope m is given as follows:

m = 15/5

m = 3.

Hence:

y = 3x + b.

When x = 5, y = 21, hence the intercept b, representing the shipping fee, is obtained as follows:

21 = 3(5) + b

b = $6.00.

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The change in the advertising budget necessary to maintain a monthly profit of $93,500 if the insurance company hires 5 new sales associates is estimated to be an increase of $2,308.

To estimate the change in advertising budget necessary to maintain a monthly profit of $93,500 with the addition of 5 new sales associates, we need to consider the potential impact of these new hires on the company's revenue and expenses.

Assuming that each new sales associate is expected to generate $10,000 in revenue per month, the total increase in revenue would be $50,000 (5 sales associates x $10,000).

However, there may also be additional expenses associated with the new hires, such as salaries and benefits. Let's assume that the total cost of adding 5 new sales associates is $30,000 per month.

Therefore, the net increase in monthly profit due to the new hires would be $20,000 ($50,000 in revenue - $30,000 in expenses).

To maintain a monthly profit of $93,500, the company would need to increase its advertising budget by an amount that would generate an additional $20,000 in profit. Assuming that the company's profit margin on its products is 20%, this would require an additional $100,000 in revenue per month ($20,000 / 0.20).

Based on the historical data and market conditions, the company could estimate the additional advertising budget required to generate this amount of revenue.

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If the order contains 22 products, it will take 16.06 minutes to gather the items. The correct option is (b).

Based on the given regression output, the equation to predict the time it takes to gather items from the number of items in an order is:

Predicted time [tex]= 3.0979 + 2.7633[/tex] × (square root of items)

To find the predicted time for an order with 22 items, we can substitute the value of 22 into the equation:

Predicted time [tex]= 3.0979 + 2.7633[/tex] × (square root of 22)

Predicted time ≈ [tex]16.06[/tex]

The predicted time is estimated using a least-squares regression analysis that relates the number of items in an order to the time taken to gather them. The regression output provides the equation to predict the time. By substituting the value of 22 items into the equation, the predicted time is calculated to be approximately 16.06 minutes.

Therefore, the predicted time, in minutes, that it took to gather the items for an order with 22 items is approximately 16.06 minutes.

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Complete Question:

Workers at a warehouse of consumer goods gather items from the warehouse to fill customer orders. The number of Items in a sample of orders and the time, in minutes, it took the workers to gather the items were recorded. A scatterplot of the recorded data showed a curved pattern, and the square root of the number of items was taken to create a linear pattern. The following table shows computer output from the least-squares regression analysis created to predict the time it takes to gather items from the number of items in an order.

Predictor                       Coef

Constant                       3.0979

Square root of items    2.7633

R-Sq=96.7%

Based on the regression output, which of the following is the predicted time, in minutes, that it took to gather the items if the order has 22 Items?

a. 7.99

b. 16.06

c. 27.49

d. 17.29

e. 63.89

Answer:

The expression that represents how much money Monique will make this week is:

12h + 20

Where 12h represents the money she earns as a lifeguard (h hours at $12 per hour) and 20 represents the money she earns for dog sitting.

The side length of the right angle triangle are 7, 24 and 25 centimetres.

The length of the longer leg of a right triangle is 3 cm more then three times the length of the shorter leg.

Let

x = shorter leg

longer leg = 3x + 3

The length of the hypotenuse is 4 cm more than three times the length of the shorter leg.

Therefore,

hypotenuse  = 3x + 4

Hence, using Pythagoras's theorem,

c² = a² + b²

where

Therefore,

x² + (3x + 3)² = (3x + 4)²

x² + (3x + 3)(3x + 3) = (3x + 4)(3x + 4)

x² + 9x² + 9x + 9x + 9 = 9x² + 12x + 12x + 16

combine like terms

9x² - 9x² + x² + 18x - 24x + 9 - 16 = 0

x² - 6x - 7 = 0

x² + x - 7x - 7 = 0

x(x + 1) - 7(x + 1) = 0

(x - 7)(x + 1) = 0

Therefore, x can only be positive value

x = 7

shorter leg = 7 cm

longer leg = 3(7) + 3 = 21 + 3 = 24 cm

hypotenuse = 3x + 4 = 3(7) + 4 = 25 cm

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The p-value is 0.00002. (a) The average output voltage is less than 130 since our t-statistic is less than the critical value therefore,  we can reject the null hypothesis. The p-value is 0.007.

To find the p-value for a z-test, you need to use a z-table or a calculator that can give you the area under the standard normal curve to the left of your test statistic.

In this case, your test statistic is z = -4.22. Using a standard normal table, the area to the left of z = -4.22 is approximately 0.00002.

Therefore, the p-value for this test is p = 0.00002.

(a) Using a one-sample t-test to test the hypothesis that the average output voltage is 130 against the alternative that it is less than 130.

With a sample size of 40 and a sample mean of 128.6, the t-statistic is calculated as:
t = (128.6 - 130) / (2.1 / sqrt(40)) = -2.67

Using a t-table with 39 degrees of freedom (df = n - 1), the critical value for a one-tailed test with a level of significance of 0.05 is -1.685.

Since our t-statistic is less than the critical value, we can reject the null hypothesis and conclude that the average output voltage is less than 130.

Using a t-distribution calculator, the one-tailed p-value for a t-statistic of -2.67 with 39 degrees of freedom is approximately 0.007.

Therefore, the p-value for this test is p = 0.007.

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Answer:

Area of shaded region:

[tex]\pi {(4 \sqrt{2} )}^{2} - {8}^{2} [/tex]

[tex]32\pi - 64 = 32(\pi - 2)[/tex]

The expanded logarithmic expression of log_b (x²y)/z² is 2 log_b x + log_b y - 2 log_b z.

Expanding the given logarithmic expression using the properties of logarithms, we get:

log_b (x²y)/z² = log_b x²y - log_b z²

Using the power rule of logarithms, we can simplify log_b x²y as:

log_b x²y = log_b x² + log_b y

Then, using the quotient rule of logarithms, we can simplify log_b z² as:

log_b z² = 2log_b z

Substituting these simplifications in the original expression, we get:

log_b (x²y)/z² = log_b x² + log_b y - 2log_b z

This is the expanded form of the given logarithmic expression using the properties of logarithms.

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The question is -

Use properties of logarithms to expand the following logarithmic expression as much as possible.

log_b (x²y)/z²

Answer:

2 1/4kms = how many meters?

Step-by-step explanation:

You're welcome.

Answer:

M = 2250

Step-by-step explanation:

First of all solve the mixed number which is 9/4 and as a decimal it is 2.25

Now as the meters it is....

2250!!!!

Hope this helps, have a great day!!!!!!

(Multiply 2.25 times 1000 and that gives you 2250)

To determine the partial fraction expansion for a rational function, we need to express it as a sum of simpler fractions. However, the general process for finding the partial fraction expansion of a rational function is as follows:

1. Factor the denominator of the rational function into linear and/or quadratic factors.
2. Write the rational function as a sum of fractions, one for each factor of the denominator. For each linear factor, use a constant numerator. For each quadratic factor, use a linear numerator.
3. Solve for the constants using algebraic manipulation and equating the numerators of the partial fractions with the original numerator of the rational function.
4. Write the partial fraction expansion as the sum of the fractions found in step 2 with the constants found in step 3.

For example, if the rational function is (3x^2 + 5x + 2)/(x^2 + 4x + 3), we would first factor the denominator as (x + 3)(x + 1). Then we would write the partial fraction expansion as:

(3x^2 + 5x + 2)/(x^2 + 4x + 3) = A/(x + 3) + B/(x + 1)

To solve for A and B, we would equate the numerators:

3x^2 + 5x + 2 = A(x + 1) + B(x + 3)

Expanding and equating coefficients, we get:

3 = B + A
5 = 3B + A

Solving for A and B, we get:

A = 1
B = 2

Therefore, the partial fraction expansion of (3x^2 + 5x + 2)/(x^2 + 4x + 3) is:

(3x^2 + 5x + 2)/(x^2 + 4x + 3) = 1/(x + 3) + 2/(x + 1)

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The solution of the a) part is 8 x 10⁻⁸ and the solution to the b) part is 2.1 x 10⁰.

Simplify simply means to make an expression simple.

In mathematics, simply or simplification is reducing the expression/fraction/problem in a simpler form.

a. To get the solution of 0.00032 x 500 / 2,000,000, follow these steps:

1. Multiply 0.00032 by 500, which equals 0.16.
2. Divide 0.16 by 2,000,000, which equals 8x10⁻⁸.

So, 0.00032x500 / 2,000,000 = 8 x 10⁻⁸.

b. To solve 15,000 x 0.0000007 / 0.005, follow these steps:

1. Multiply 15,000 by 0.0000007, which equals 0.0105.
2. Divide 0.0105 by 0.005, which equals 2.1.

So, 15,000 x 0.0000007 / 0.005 = 2.1 x 10⁰, since 10⁰ equals 1, and 2.1 remains the same.

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This expression represents the change in the function values (f (x) - f (2)) divided by the change in the x-values (x - 2), which gives us the slope of the secant line between points P and Q.

The slope of the secant line through the points P (2, f (2)) and Q (x, f(x)) can be found using the slope formula:

slope = (f (x) - f (2))/ (x - 2)

This expression represents the change in y (f(x) - f (2)) divided by the change in x (x - 2) between the two points. It gives the average rate of change of the function over that interval.

Alternatively, we could use the point-slope form of a line to find the equation of the secant line through P and Q:

y - f(2) = slope(x - 2)

where slope is given by the expression above. This equation represents a line that passes through P and Q, and it can be used to approximate the behavior of the function between those points. As x gets closer to 2, the secant line becomes a better approximation of the tangent line to the curve at that point.

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The requried teenager's age is 15 years old.

Let's assume the ages of Deena's three children are a, b, and c (in no particular order). We know that one of them is a teenager, so without loss of generality, let's assume that a is the teenager. Then we have:

a * b * c = 1155

We can use trial and error to find values of a, b, and c that satisfy the equation above and the conditions we've established. One possible set of values is:

a = 15

b = 7

c = 11

You can check that these values satisfy the equation:

15 * 7 * 11 = 1155

and that a is a teenager. Therefore, the teenager's age is 15 years old.

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The values that are solution of stated inequality expression are -8,-4,0 and 1.

The stated expression represents inequality. Hence, the solution will provide a range rather than a specific number as a resultant value. We will solve it in similar method to inequality.

Rearranging the expression in terms of 4t

4t ≤ 10 - 6

Subtracting the digits on Right Hand Side of the expression

4t ≤ 4

Rewriting the expression

t ≤ 4/4

Dividing the value on Right Hand Side of the equation

t ≤ 1

The values will be 1 or less than 1. Thus, the solution values are -8,-4,0 and 1.

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The complete question is -

Determine which of the values is a solution of 4t+6≤10

Values = -8,-4,0,1,3,7

Answer:

Step-by-step explanation:

2)x= -19  

3) a= -8  

4) x=8

5)x=4

6)n=13

7) k=0

8) p=17

9) b=15

10)n= -19

The value of correct option for maps ΔABC to a triangle that is similar, but not congruent, to ΔABC are,

⇒  dilation with scale factor 2 about the origin

We have to given that;

To find correct option for maps ΔABC to a triangle that is similar, but not congruent, to ΔABC

Since, We know that;

For any translation the condition of congruency is not change.

But for any type of dilation condition of congruency for triangles are change.

Thus, The value of correct option for maps ΔABC to a triangle that is similar, but not congruent, to ΔABC are,

⇒  dilation with scale factor 2 about the origin

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The interval that contains the median temperature is 70-79 in the frequency table showing the observed high temperatures in Buffalo.

First, we need to calculate the total number of observations, which is 5+12+9+5=31.

The median is the middle value of the data set when arranged in ascending or descending order. Since there are 31 observations, the median will be the 16th value.

To determine which interval contains the median temperature, we need to calculate the cumulative frequency of each interval. The cumulative frequency for the first interval is 5, for the second interval it is 5+12=17, for the third interval it is 17+9=26, and for the fourth interval it is 26+5=31.

Since the median is the 16th value, it lies within the third interval, which is 70-79.

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The question is -

The following frequency table shows the observed high temperatures in Buffalo, New York, in May 2007. Which interval contains the median temperature?

temperature                     frequency

50-59                                 5

60-69                                 12

70-79                                  9

80-89                                 5

To prove that the product of two odd integers is odd, we can follow these steps and justifications:

1. Let x and y be two odd integers.
(We start by assuming x and y are odd integers.)

2. x = 2a + 1 and y = 2b + 1, where a and b are integers.
(Since x and y are odd, they can be expressed in this form, as the sum of an even integer (2a or 2b) and 1.)

3. Find the product of x and y: xy = (2a + 1)(2b + 1).
(To show that their product is odd, we multiply x and y.)

4. Expand the product: xy = 4ab + 2a + 2b + 1.
(Using the distributive property to multiply and simplify.)

5. Factor out a 2: xy = 2(2ab + a + b) + 1.
(We factor out a 2 from the even terms to emphasize the structure of the expression.)

6. Let c = 2ab + a + b, where c is an integer.
(We introduce a new variable, c, to represent the sum of the even terms.)

7. Therefore, xy = 2c + 1, where c is an integer.
(Substituting c back into the expression for xy.)

8. The product xy is an odd integer.
(Since xy is in the form of an even integer (2c) plus 1, it is an odd integer.)

In conclusion, the product of two odd integers (x and y) is also an odd integer, as we have proven through these steps and justifications.

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The equation for the least-squares regression line is given by:

y = a + bx

where y is the dependent variable (the variable being predicted), x is the independent variable (the variable used to make predictions), a is the y-intercept (the value of y when x=0), and b is the slope of the line (the change in y for a unit change in x).

To find the values of a and b that minimize the sum of the squared residuals (the vertical distance between each observed data point and the line), we use the method of least squares. This involves finding the values of a and b that minimize the following expression:

∑(y - ŷ)^2

where y is the observed value of the dependent variable, ŷ is the predicted value of the dependent variable based on the regression line, and the sum is taken over all data points.

The least-squares regression line is a linear model that approximates the relationship between the independent and dependent variables. It is often used in statistics to make predictions or estimate the value of the dependent variable for a given value of the independent variable. The slope of the line (b) indicates the strength and direction of the relationship between the variables, while the y-intercept (a) represents the value of the dependent variable when the independent variable is zero. The accuracy of the predictions made by the regression line can be assessed by calculating the coefficient of determination (R^2), which measures the proportion of the total variation in the dependent variable that is explained by the independent variable.

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Answer:

The line of symmetry for the given figure is EF which runs vertically through the center of the arrow. Therefore, the answer is C.

Step-by-step explanation:

The cost of one small order of fries at the Burger Palace is $1.09. The correct answer is not given in any option.

The price is another name for the cost of a thing from the perspective of a consumer. This is the price the seller sets for a product, which takes into account both the cost of manufacture and the markup the seller adds to increase profits.

Let's say a hamburger costs x dollars and a small order of French fries costs y dollars.

x--------> the cost of one hamburger

y--------> the cost one small order fries

we know that

2x+y=6.50

5x+5y=17.75

using a graph tool

see the attached figure

the solution is

x=2.5

y=1.09

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The complete question is

At The Burger Palace, 2 hamburgers and 1 small order of fries costs $6.50. The Clarke family ordered 5 hamburgers and 5 small orders of fries and paid $17.75.

Select the TWO equations that fit the scenario described above.

A) 2x+y=6.50

B) 6.50x+17.75y=5

C) 2x+5y=24.25

D) 5x+5y=6.50

E) 5x+5y=17.75

Answer:

[tex]x = \sqrt{ {19}^{2} - {15.2}^{2} } = 11.4[/tex]

Surface area =

2(1/2)(11.4)(15.2) + 16(11.4) + 16(19) + 16(15.2)

= 173.28 + 182.4 + 304 + 243.2

= 902.88 square yards

Answer:

  (b)  2

Step-by-step explanation:

You want the mean absolute deviation of the data ...

  {12, 10, 10, 8, 6, 7, 7, 12}

The mean absolute deviation (MAD) is the mean of the absolute values of the differences between the data values and their mean. The calculation of this is shown in the attachment.

The mean absolute deviation is 2.

<95141404393>

Answer: Side C = 17.5

Step-by-step explanation: We have to follow the laws of sines. So we would do 25sin(42)/sin(107).

Or sin(42) x 25

Then divide that value by sin(107).

For a bounded martingale Xₙ and stopping time T (not necessarily bounded), E[XT] = E[X] is proved by considering the stopping times Tₙ= min(T, n) and using the Optional Stopping Theorem.

To prove that E[XT] = E[X], we can utilize the Optional Stopping Theorem.

First, we know that since Xₙ is a bounded martingale, it satisfies the conditions for the Optional Stopping Theorem stating that for any stopping time T, [tex]E[X_{T}] = E[X_{0}][/tex], where [tex]X_{0}[/tex] is the initial value of Xₙ.

Now, taking into consideration stopping times Tn = min(T, n). As Tn is a bounded stopping time, we utilize the Optional Stopping Theorem to get:

[tex]E[X_{Tn}] = E[X_{0}][/tex]

We can rewrite this as:
[tex]E[X_{Tn}] - E[X_{0}] = 0[/tex]

Now, if we take the limit as n→∞.As Xn is a bounded martingale, it follows that E[|Xn|] < infinity for all n. Thus, utilizing Dominated Convergence Theorem, we get:

[tex]lim_{n} E[X_{Tn}] = E[lim_{n} X_{Tn}] = E[XT][/tex]

Similarly, [tex]lim_{n} E[X_{0}] = E[X].[/tex]

Therefore, taking the limit as n→∞ in our previous equation, we get:

E[XT] - E[X] = 0

Or, equivalently:

E[XT] = E[X]

So, E[XT] = E[X] by considering the stopping times Tn= min(T, n)].

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Answer:

do the following:

1. Multiply both sides of the equation by 8. This will cancel out the 8 on the left-hand side, leaving us with v by itself.

```

v/8 = 2

(v/8) * 8 = 2 * 8

v = 16

```

Therefore, the value of v is 16..

Step-by-step explanation:

Answer: V=16

Step-by-step explanation:

First you mutiply both sides by 8

[tex]8*\frac{v}{8}=8*2[/tex]

Cancel out the greatest common factor which in this case is 8.

So now we have v=8*2

Multiply 8*2 and the answer should be V=16.

If the radius of the bullseye in the dart board is 0.5 cm, then the area of dartboard not including the bullseye is 182.5 cm².

The outer circumference of the dartboard is 48 centimeters, so we can use this to find the radius of the dartboard:

⇒ 48 = 2πr,

Dividing both sides by 2π, we get:

⇒ r = 48/2π ≈ 7.64,

So, radius of the dartboard is 7.64 centimeters.

The area(A) of a circle is = πr²,

where "r" is = radius,

The area of the bull's eye is:

⇒ Area of Bullseye = π × (0.5)²,

⇒ 0.785,

To find the area of the dartboard not including the bull's eye,

We subtract the area of the bull's eye from the area of the whole dartboard:

⇒ Area of dartboard not including bullseye = πr² - (area of bullseye),

⇒ Area of dartboard not including bullseye = 3.14×7.64×7.64 - 0.785,

⇒ Area of dartboard not including bullseye = 183.28 - 0.785,

⇒ Area of dartboard not including bullseye ≈ 182.5,

Therefore, the area of the dartboard not including the bull's eye is approximately 182.5 cm².

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The y-intercept of a function always occurs where y is equal to zero  is false.

Not where y is equal to zero, but where the value of x equals zero, is where a function's y-intercept is found. The y-intercept is the location where the function and y-axis cross. The value of y is equal to the y-coordinate of the intersection point at this time, while the value of x is zero.

The y-intercept, or value of y when x is equal to zero, is represented by the symbol b in the equation for a straight line, y = mx + b, where m denotes the slope and b the y-intercept. Because the y-intercept depends on the value of b, it does not follow that if the value of y is zero, it also means that the y-intercept is zero.

In conclusion, a function's y-intercept is the value of y when x is equal to zero and is located where the function meets the y-axis.

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