What is the regression equation and final answer to this?

The correct statement regarding whether we can prove that the lines are parallel is:

Yes. Alternate Interior Angles Converse.

Alternate interior angles happen when there are two parallel lines cut by a transversal lines.

The two alternate exterior angles are positioned on the inside of the two parallel lines, and on opposite sides of the transversal line, and they are congruent.

The red sectors represents that the angles are alternate interior angles for the problem, hence the correct option is given as follows:

Yes. Alternate Interior Angles Converse.

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The minimum number of square inches of ventilation =  4,367

Given that;

Area of ventilation should not be less than 1/150

Attic of house = 70ft X 65ft

The attic floor's overall size is:

Area is =  length x breadth.

Area of  70 ft X 65 ft =  4,550 square feet

We must now locate 1/150th of this area: 30.333 square feet

= 1/150 x 4,55

Convert square feet to square inches  as it need the result in square inches.

1 square foot is 144 square inches,

Thus, 30.333 x 144 = 4,366.752 square inches.

Consequently, 4,367 square inches or less of ventilation space is required as a minimum.

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It is not worth the extra drive to the store across town for the cheaper chicken.

To determine if it is worth the extra drive to the store across town for the cheaper chicken, we need to consider the cost of gas and the time spent driving.

First, let's calculate the cost difference between the two stores. For 7 pounds of chicken, the neighborhood store would cost $3.59/pound x 7 pounds = $25.13. The store across town would cost $3.29/pound x 7 pounds = $23.03. So, by going to the store across town, we would save $2.10 on chicken.

Next, let's calculate the cost of gas. To drive to the store across town and back, we will travel a total of 17.6 miles (8.8 miles each way). With a car that averages 24 miles per gallon, we will use approximately 0.73 gallons of gas for this trip (17.6 miles / 24 mpg). At a cost of $3.85 per gallon, the cost of gas for this trip would be approximately $2.81.

Now, let's consider the time spent driving. Driving to the neighborhood store and back would take approximately 16 minutes (8 minutes each way). Driving to the store across town and back would take approximately 48 minutes (24 minutes each way). So, by going to the store across town, we would spend an extra 32 minutes driving.

In summary, if we go to the store across town for the cheaper chicken, we will save $2.10 on chicken, but spend $2.81 on gas and an extra 32 minutes driving. In this case, the cost of gas and time spent driving outweighs the savings on chicken.

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Complete question is:

you need to buy some chicken for dinner tonight. You found an ad showing that the store across town has it on sale for 3.29 a pound which is cheaper that your usual neighborhood store which sells it for $3.59 a pound. Is it worth the extra drive?

Information you'll need:

How much chicken will you be buying? 7 pounds

How much far are the two stores? My neighborhood store is 2.3 miles away, and takes about 8 minutes. The store across town is 8.8 miles away, and takes about 24 minutes.

How kind of mileage does your car get? It averages about 24 miles per gallon in the city.

How many gallons does your car hold? About 16 gallons

How much is gas? About $3.85/gallon right now.

Answer:

The correct answer is 4) 4.25; a puppy who is just born is predicted to weigh 4.25 ounces.

Step-by-step explanation:

The w-intercept of the line of fit is the value of w when d = 0. In other words, it is the predicted weight of a puppy when it is born.

From the equation w = 4.25 + 0.4d, we can see that when d = 0, the value of w is:

w = 4.25 + 0.4(0) = 4.25

Therefore, the w-intercept of the line of fit is 4.25.

This means that a puppy who is just born is predicted to weigh 4.25 ounces.

So, the correct answer is 4) 4.25; a puppy who is just born is predicted to weigh 4.25 ounces.

The measure of arc XW in the circle shown in the image above is calculated as: m(XW) = 108°.

To find the measure of the arc indicated in the circle, recall that a circle measures 360 degrees.

Therefore, create an equation to find x as shown below:

m(XW) + m(XY) + m(WY) = 360° [full circle]

Given the following:

m(XW) = 37x - 3

m(XY) = 32x - 2

m(WY) = 51x + 5

Plug in the values:

37x - 3 + 32x - 2 + 51x + 5 = 360

Combine like terms:

120x = 360

Divide both sides by 120:

120x/120 = 360/120

x = 3

m(XW) = 37x - 3 = 37(3) - 3

m(XW) = 108°

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The point P should be chosen at 1.07 units to maximize the angle.

From the figure, let the distance of point P from point A on line segment AB be x and let the angle opposite side a be M and the angle opposite side c be N.

Using pythagoras theorem,

tan M = a/(b - x)

M = tan⁻¹(a/(b - x))

Also, we can say that:

tan N = c/x

N = tan⁻¹(c/x)

Angle θ is given by:

θ = 180 - M - N

θ = 180 - tan⁻¹(a/(b - x)) - tan⁻¹(c/x)

Given that a = 3 units, b = 5 units, and c = 8 units. Thus:

θ = 180 - tan⁻¹(3/(5 - x)) - tan⁻¹(8/x)

To maximize angle θ, the differentiation of θ with respect to x must be equal to zero.

i.e. dθ/dx = - 3/(x² - 10x + 34) + 8/(x² + 64) = 0

8/(x² + 64) = 3/(x² - 10x + 34)

8(x² - 10x + 34) = 3(x² + 64)

8x² - 80x + 272 = 3x² + 192

5x² - 80x + 80 = 0

Using quadratic equation calculator gives:

x = 1.0718

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The graph doesn't represent a one-to-one function because certain y-values between 0 and 2 are paired with multiple x-values(D). A one-to-one function requires each x-value and y-value to be paired uniquely.

Based on your question, it seems that the graph is displaying a situation where certain y-values between 0 and 2 are associated with multiple x-values(D). In this case, the graph does not represent a one-to-one function. This is because a one-to-one function, by definition, must have each y-value corresponding to exactly one x-value and each x-value corresponding to exactly one y-value. Passing through the origin, or being defined for all x-values, is not a necessary condition for a function to be one-to-one. The key definition of one-to-one functions lies in the uniqueness of the pairs.

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Answer:

x = 1

y = -5

Step-by-step explanation:

x - 3y = 16

-5x + 3y = -20

Combine the equations

-4x = -4

x = 1

Now put 1 in for x and solve for y

1 - 3y = 16

-3y = 15

y = -5

Let's Check

1 - 3(-5) = 16

1 + 15 = 16

16 = 16

SO, x = 1 and y = -5 is the correct answer.

The best prediction of a person's blood pressure if he or she worked 32 hours a week is given as follows:

J. 125.

To find the regression equation, which is also called called line of best fit or least squares regression equation, we need to insert the points (x,y) in the calculator.

The points for the data-set in this problem are given as follows:

(75, 172), (41, 130), (85, 170), (56, 142), (25, 125), (60, 141), (48, 138).

Inserting these points into a calculator, the linear regression equation predicting the blood pressure of a person that works x hours a week is given as follows:

y = 0.86x + 97.47

Hence the prediction when x = 32 is given as follows:

y = 0.86(32) + 97.47

y = 125.

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Answers:

8

6

1

3

Reason:

Add 5 to each value in the f(x) column.

Example: 3+5 = 8 for the first row.

This will shift each point 5 units up. This is because we're moving 5 units up the y axis.

The rule for the geometric sequence is [tex]a_n = a_{n-1} * (1/2).[/tex]

The sequence that is geometric is: 5, 10, 30, 60, ...

To determine if a sequence is geometric, we look for a common ratio between consecutive terms. If the ratio between any two consecutive terms is the same, then the sequence is geometric.

For the first sequence, the differences between consecutive terms are 1, 2, 3, 4, which are not constant. Therefore, the first sequence is not geometric.

For the second sequence, the ratio between consecutive terms is 486/972 = 1/2, and the ratio between any two consecutive terms is the same (1/2). Therefore, the second sequence is geometric.

For the third sequence, the differences between consecutive terms are 25, 25, 25, which are constant. Therefore, the third sequence is not geometric.

For the fourth sequence, the ratio between consecutive terms is 10/5 = 2, the ratio between the second and third term is 30/10 = 3, and the ratio between the third and fourth term is 60/30 = 2. Therefore, the fourth sequence is geometric.

The rule for the geometric sequence is that each term is found by multiplying the previous term by a constant factor, called the common ratio. In the second sequence, the common ratio is 1/2, and the rule is:

[tex]a_n = a_{n-1} * (1/2)[/tex]

where a_n represents the nth term in the sequence. So, for example, the fourth term in the sequence can be found by:

[tex]a_4 = a_3 * (1/2)[/tex] = 121.5 * (1/2) = 60

Therefore, the rule for the geometric sequence is[tex]a_n = a_{n-1} * (1/2).[/tex]

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Answer:

hope this helps

Step-by-step explanation:

Answer: 96 cm2

Step-by-step explanation:

Surface area of a cube= (x)^2(6)

First we find the area of one face of the cube which is; 4x4 or 4^2 = 16

We know that a cube has 6 faces, therefore we take the area of one face multiply the total number of faces: 16x6= 96 cm2

Diego used more of the chemical per gallon than Yoni is the correct answer for completing the sentence.

To compare the amount of chemical used by Diego and Yoni, we need to find the ratio of the chemical to water for each of them. For Diego, he added 5 mL of chemical to 2 gallons of water. We can convert the volume of water to mL by multiplying by 3785.41 (the number of mL in a gallon):

5 mL : 2 gallons = 5 mL : (2 x 3785.41 mL) = 5 mL : 7570.82 mL

Simplifying this ratio, we get:

1 mL : 1514.16 mL

For Yoni, he added 4.5 mL of chemical to 1.5 gallons of water. Converting the volume of water to mL as before, we get:

4.5 mL : 1.5 gallons = 4.5 mL : (1.5 x 3785.41 mL) = 4.5 mL : 5678.11 mL

Simplifying this ratio, we get:

1 mL : 1262.47 mL

Comparing the two ratios, we can see that Diego used more chemical per gallon than Yoni:

1 mL : 1514.16 mL > 1 mL : 1262.47 mL

Therefore, the correct completion of the sentence is "Diego used more of the chemical per gallon than Yoni."

In summary, we can use ratios to compare the amount of chemical used by Diego and Yoni in their experiment. By converting the volume of water to mL and simplifying the ratios, we find that Diego used more of the chemical per gallon than Yoni.

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The end behavior of the cube root function represented by the graph is B. As x decreases in value, f ⁡ ( x ) increases in value. As x increases in value, f ⁡ ( x ) decreases in value.

The given data is

(-5, 2)

(0, 1) = y-axis at 1 unit

(2, 0) = intercepts the x-axis at 2 units

(3, -2)

(6, -5)

Examining the increasing and decreasing trend as represented by the ordered pairs it shows that

x ⇒ -∞ f(x) ⇒ ∞

x ⇒ ∞ f(x) ⇒ -∞

This end behavior is described by option B.

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Answer:

Step-by-step explanation:

You want to know the value required in an account so that it can support withdrawals of $6000 per month end for 25 years, if the account earns 8% compounded monthly. And you want to know the month-end payment required into such an account to reach that value in 35 years.

The present value of an account that supports withdrawals of $6000 per month for 25 years is shown in the first calculation in the attachment. That amount is $777,387.14.

The future value of payments into the account must be that amount at the end of 35 years. The second calculation in the attachment shows that payment amount. It is $338.90.

__

Additional comment

The amortization formula can be used to find the account value needed at retirement.

  A = P(r/n)/(1 -(1 +r/n)^(-nt))

where A is the monthly payment, P is the needed account value, r is the annual interest rate and n=12 is the number of periods per year for t=25 years.

The monthly payment P required to achieve the account balance A can be found from the annuity formula:

  A = P((1 +r/n)^(nt) -1)/(r/n)

For this, t=35 years.

In each of these cases, the equation needs to be solved for P.

The claim can be said that the proportion of patients taking Lipitor who experience flu-like symptoms is at least 70%.

Opposite: The proportion of patients taking Lipitor who experience flu-like symptoms is less than 0.7.

The test can be said that the one-tailed z-test for proportions that has a significance level of 0.05.  

The test statistic is z =- -1.96

The p-value is: 0.0406.

Based on this we: reject the null hypothesis.

Conclusion:  we can say that there is not enough evidence to support the claim that the proportion of patients taking Lipitor who experience flu-like symptoms is at least 70%.    

The flu-like symptoms  includes fever, chills, headache, muscle or body aches, cough, sore throat, runny nose, and diarrhea.

We can test the  statistic using the formula:

z = (/p  - p) /  √(p x  (1-p) / n)

where /p =  sample proportion = 213/333 = 0.639

p = hypothesized proportion under the null hypothesis = 0.7

n =  sample size = 333

z = (0.639 - 0.7) / √(0.7 * (1-0.7) / 333)

z = -1.96

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Answer:

A. Circle

To draw a regular polygon, one can use a circle as a geometric figure. A regular polygon is a polygon with all sides and angles equal. By inscribing a polygon inside a circle, the vertices of the polygon are evenly spaced on the circumference of the circle, and the radius of the circle is equal to the distance between the center of the circle and the vertices of the polygon. This ensures that all sides of the polygon are of equal length, and all angles between the sides are equal. Therefore, by using a circle as a geometric figure, Rachael can draw a regular polygon with ease.

Answer:

C

Step-by-step explanation:

a quadrilateral has 4 sides

The two-dimensional figure is always a regular quadrilateral is square. Therefore, the correct answer is option C.

Having four sides makes a polygon a quadrilateral. Quadrilaterals include shapes like rectangles, squares, rhombuses, parallelograms, trapezoids, etc. A regular quadrilateral needs four equal sides, four equal angles, and a diagonal that cuts through both of its other sides. The only quadrilateral that meets each of these requirements is the square.

So, the regular quadrilateral is square.

Therefore, the correct answer is option C.

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To calculate the interest earned in 3 months, we need to first find the monthly interest rate.

The annual interest rate is 14%, so the monthly interest rate is:

14% / 12 months = 1.1667% per month

Next, we can calculate the interest earned in 3 months by multiplying the monthly interest rate by the principal (the amount in the savings account):

3 months * 1.1667% per month * $13,163 = $485.95

Therefore, Janelle will earn $485.95 in interest in 3 months.

The requreid,
(a) Approximate values of the given numbers are π ≈ 3.1, √6 ≈ 2.4, 2√6 ≈ 4.8, and √7 ≈ 2.6.
(b) √6  < √7 <  π  < 2√6

(a)

π ≈ 3.1 (since π is between 3 and 4, and is closer to 3.1 than to 3.2)

√6 ≈ 2.4 (since 6 is between 4 and 9, and the square root of 6 is closer to 2.4 than to 2.5)

2√6 ≈ 4.8 (since 2√6 is approximately twice the value of √6, which is 2.4)

√7 ≈ 2.6 (since 7 is between 4 and 9, and the square root of 7 is closer to 2.6 than to 2.7)

(b)

Order from least to greatest:

√6  < √7 <  π  < 2√6

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6 bottles are needed.

Given: 2 tablets 3 times per day

so, total tablets = 6 tablets

Total days = 14

so, total tablets in 14 days = 14 x 6 = 96

and, tablets per bottle= 15

Then, the number of bottles required = 96 /15 =6.4

Hence, 6 bottles are needed.

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The complete question is =

2 tablets 3 times per day 14 day supply 15 tablets needed per bottle. How many bottles are needed

The surface of area of the rectangular prism is 52 cm².

A rectangular prism is simply a three-dimensional solid shape which has six faces that are rectangles.

The surface of area of a rectangular prism is expressed as;

SA = 2( wl + hl + hw )

Where w is the width, h is height and l is length

From the diagram:

Length l = 3cm

Width w = 2cm

Height h = 4cm

Plug these values into the above formula and solve for the surafce area.

SA = 2( wl + hl + hw )

SA = 2( 2×3 + 4×3 + 4×2 )

SA = 2( 6 + 12 + 8 )

SA = 2( 26 )

SA = 52 cm²

Therefore, the surface area is 52 cm².

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The word problem makes use of the division number sentence to find the answer which is given as 4 apples

Division number sentence: 40 ÷ 10 = 4

Multiplication number sentence: 10 × (1/4) = 2.5

Word problem:

Mr. Oliveras has 40 apples and wants to divide them equally among 10 students. How many apples does each student receive?

This can be solved using the division number sentence: 40 ÷ 10 = 4.

Each student gets 4 apples.

Therefore, the word problem makes use of the division number sentence to find the answer which is given as 4 apples

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A table of values for g(x) has been completed below;

x            f(x)          g(x)

-2           3             8

0             1             7

1             -4             1

3            -2             3

In Mathematics and Geometry, the translation a geometric figure upward simply means adding a digit to the value on the positive y-coordinate (y-axis) of the pre-image;

g(x) = f(x) + N

Since the parent function f(x) was translated 5 units up, we have the following transformed function;

g(x) = f(x) + 5

Therefore, the table of values should be completed as follows;

x            f(x)          g(x)

-2           3             8

0             1             7

1             -4             1

3            -2             3

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The hill makes an angle of approximately 11.98 degrees with the horizontal.

From the information, a force of 5 lb is required to hold a 24-lb crate on a hill and we want to know the angle that the hill make with the horizontal.

F = W * sin(θ)

where sin(θ) is the sine of the angle θ.

Solving for sin(θ), we get:

sin(θ) = F / W

       = 5 lb / 24 lb

       ≈ 0.2083

θ = arcsin(0.2083)

  ≈ 11.98 degrees

Therefore, the hill makes an angle of approximately 11.98 degrees with the horizontal.

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The solution to the equation 3x(x + 4) + 3(x + 4) = 0 is x = -4 or x = -1.

Given the equation in the question:

3x(x + 4) + 3(x + 4) = 0

To determine the solution to the equation.

First, factor out the common factor of (x + 4) from the left-hand side of the equation:

3x(x + 4) + 3(x + 4) = 0

3(x + 4)(x + 1) = 0

The equation is now in factored form, and we can use the zero product property to find the values of x that satisfy the equation:

3(x + 4)(x + 1) = 0

(x + 4)(x + 1) = 0 (Divide both sides by 3)

Using the zero product property, we know that:

(x + 4) = 0 and (x + 1) = 0

Solving for x, we get:

x + 4 = 0 and x + 1 = 0

x = -4 and x = -1

Therefore, the solution s are x = -4 and x = -1.

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