Need of help on this question

Answer:

jogging chinmkin

Step-by-step explanation:

charlizard

hoho

Answer:

true

Step-by-step explanation:

Let us calculate the determinant of this quadratic equation:

Δ = b^2 - 4ac = 16-4*(-1)*(-4) = 0

The equation has one solution

x = -b/2a = 2

Influential scores, indicated by large residuals, have a significant impact on the regression line when removed from the data. These points, characterized by extreme x or y-values, can alter the slope and intercept of the regression line, emphasizing their importance in regression analysis.

The correct statements about influential scores are i and ii.

i. Influential scores have large residuals because they have a strong effect on the regression line. This means that if we remove an influential score from the data, it will significantly change the slope and intercept of the regression line.

ii. Removal of an influential score sharply affects the regression line because influential scores have a large impact on the regression line. If we remove an influential score, it will significantly change the slope and intercept of the regression line.

iii. This statement is not true. An x-value that is an outlier in the x-variable may be indicative of a point being influential, but a y-value that is an outlier in the y-variable can also be indicative of a point being influential.

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40) If the demand for specialty car license plates is perfectly inelastic and the supply curve is upward sloping, then the burden of the tax falls entirely on the consumers (drivers). Therefore, option C) Drivers pay all of the tax is true.

41) If the elasticity of demand for a product is 0 and the elasticity of supply is 1, then the burden of the tax falls entirely on the consumers (buyers). Therefore, option B) Buyers pay all of the tax is true.

42) If the demand for peaches from South Carolina is perfectly elastic and the supply curve is upward sloping, then the burden of the tax falls entirely on the producers (peach sellers). Therefore, option A) Peach sellers pay all of the tax is true.

40) In this scenario, since the demand for specialty car license plates is perfectly inelastic and the supply curve is upward sloping, the correct answer is C) Drivers pay all of the tax. This is because the burden of the tax falls entirely on the consumers with perfectly inelastic demand.

41) With an elasticity of demand of 0 and elasticity of supply of 1, the correct answer is B) buyers pay all of the tax. This is because the inelastic demand means that buyers will absorb the entire tax burden, whereas the elastic supply indicates that sellers can adjust their supply in response to the tax.

42) When the demand for peaches from South Carolina is perfectly elastic and the supply curve is upward sloping, the correct answer is A) peach sellers pay all of the tax. This is because buyers will simply switch to other sources if the price increases due to the tax, so the burden of the tax falls entirely on the peach sellers.

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Answer:

200

Step-by-step explanation:

Given the first term 39 and the last term 11 then the sum of the 8 layers can be calculated as

\(S_{n}\) = \(\frac{n}{2}\) ( f + l) ← f is the bottom layer anf f the top layer, thus

\(S_{8}\) = \(\frac{8}{2}\) (39 + 11) = 4 × 50 = 200

Answer:

Step-by-step explanation:

To find the equation of the tangent line to the graph of y=3^x-2 at x=1, we need to take the derivative of the function at x=1 and use this slope to write the equation of the tangent line in slope-intercept form.

First, let's find the derivative of y=3^x-2. We can do this by using the power rule:

dy/dx = y' = (3^x)(ln(3))

Now, we need to find the value of this derivative at x=1. Plugging in x=1, we get:

y' = (3^1)(ln(3)) = 3ln(3)

Now that we have the slope of the tangent line, we can use the point-slope form of a line to find the equation of the tangent line. The point-slope form is:

y - y1 = m(x - x1)

Where m is the slope and (x1, y1) is a point on the line. We are given that the tangent line passes through the point x=1, so we can use this point as (x1, y1). Plugging in the values, we get:

y - (3^1-2) = 3ln(3)(x - 1)

Simplifying, we get:

y - 1 = 3ln(3)(x - 1)

Finally, we can rearrange this equation to put it in slope-intercept form, which is:

y = mx + b

Doing this gives us:

y = 3ln(3)x + 1 - 3ln(3)

Simplifying, we get:

y = 3ln(3)x - 2ln(3)

This is the equation of the tangent line to the graph of y=3^x-2 at x=1, in slope-intercept form.

Let x = pounds of raisins

Let y = pounds of walnuts

The first linear equation for the system is representing COST

The second linear equation for the system is representing WEIGHT

Hence the two-equation for each constraint are

Step-by-step explanation:

The profit (in hundreds of dollars) that a corporation receives is given by the quadratic function:

P(x) = 130 + 10x - 0.5x^2

where x is the amount spent on marketing (in hundreds of dollars).

To find the expenditure for advertising that yields a maximum profit, we need to find the vertex of the parabola. The vertex occurs at:

x = -b/(2a) = -10/(2*(-0.5)) = 10

Substituting x = 10 back into the equation for P(x), we get:

P(10) = 130 + 10(10) - 0.5(10)^2 = 180

Therefore, an expenditure of $1000 for advertising yields a maximum profit of $18000.

The mathematical name of the point is the vertex of the parabola.

---

For the polynomial function:

f(x) = 4x^5 - 8x^4 - 5x^3 + 10x^2 + x - 1

Degree of polynomial: 5

Main coefficient: 4 (the leading coefficient)

Final behavior: As x approaches positive or negative infinity, f(x) also approaches positive infinity (since the leading term has a positive coefficient and has the highest degree).

Maximum number of zeros: 5 (since it is a fifth-degree polynomial)

Maximum number of exchange points: 4 (since there are 4 relative extrema, either maximum or minimum points)

Answer:

I feel the answer is D (Sorry if this isn't the correct answer)

Answer:

apples : 2 , 4 , 6 , 8

oranges : 5 , 10 , 15 , 20

those in bold are answers :)

Answer:

2:4 :: x:10

x=5

4:x :: 10:15

x=15

15:8 ::15:x

x=8

71 more bushels of corn will Nathaniel have if each uses 40 ears of corn as his measurement than if he uses 60 ears of corn as his measurement.

The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units.

For example, Let's say Ram spends 36 Rs. for a dozen (12) bananas.

12 bananas will set you back 36 Rs. 1 banana costs 36 x 12 = 3 Rupees.

As a result, one banana costs three rupees. Let's say we need to calculate the price of 15 bananas.

This may be done as follows: 15 bananas cost 3 rupees each; 15 units cost 45 rupees.

Given:

Nathaniel has 8,640 ears of corn.

First, the bushel have 40 ears of corn then number of bushels required

= 8460/40

= 212

Second, the bushel have 60 ears of corn then number of bushels required

= 8460/60

= 141

So, the difference is = 212- 141 = 71

Hence, 71 more bushels of corn will Nathaniel have in comparison.

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Answer:

Exact Form:

45/44

Decimal Form:

1.0227

Mixed Number Form:

1  1/44

Step-by-step explanation:

Answer:

45/44 or 1  1/44

Step-by-step explanation:

\(5\frac{5}{8}\) ÷ \(5\frac{1}{2}\)

Change each mixed number into an improper fraction. Multiply the whole number by the denominator and add the numerator. This number becomes the new numerator and is put over the original denominator.

\(5\frac{5}{8} = \frac{45}{8}\)

\(5\frac{1}{2} = \frac{11}{2}\)

So now we can rewrite the expression as follows.

\(\frac{45}{8}\) ÷ \(\frac{11}{2}\)

Dividing by a fraction is the same thing as multiplying by its reciprocal. So rewrite the expression multiplying by 2/11 instead of dividing by 11/2.

\(\frac{45}{8}\) × \(\frac{2}{11}\)

Cross-cancel to simplify prior to solving the expression.

\(\frac{45}{8} * \frac{2}{11} = \frac{45}{4} * \frac{1}{11}\)

Solve the expression by mutiplying straight across.

\(\frac{45}{4} * \frac{1}{11} = \frac{45}{44}\)

So the original expression is equal to 45/44. If the answer is supposed to be a mixed number, divide the numerator by the denominator, and write the remainder as a fraction. So 45/44 also equals 1 and 1/44.

Answer:

8

Step-by-step explanation:

Plug in the value of k into your expression and solve.

40-4k^3

40-4(2)^3

40-4(8)

40-32

8

Answer:

G. 3x²-1

.......................

The endpoints of the image segment X'Y' after reflection in the y-axis are X'(-2, 0) and Y'(-4, -3). The x-coordinates of X' and Y' are the opposites of the x-coordinates of X and Y, respectively, while the y-coordinates remain unchanged.

To find the coordinates of the endpoints of the image segment X'Y' after reflection in the y-axis, we need to reverse the sign of the x-coordinate while keeping the y-coordinate unchanged. Let's calculate the coordinates step by step:

Endpoint X(2, 0):

When reflecting X in the y-axis, the x-coordinate becomes its opposite, so the x-coordinate of X' is -2. The y-coordinate remains the same at 0. Therefore, X' has the coordinates (-2, 0).

Endpoint Y(4, -3):

Similarly, when reflecting Y in the y-axis, the x-coordinate becomes -4, while the y-coordinate stays the same at -3. Thus, Y' has the coordinates (-4, -3).

Visually, if you plot the points X(2, 0) and Y(4, -3) on a coordinate plane and reflect them in the y-axis, you will see that X'(-2, 0) and Y'(-4, -3) are symmetric to X and Y, respectively, with respect to the y-axis.

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The probability of picking an odd number ball in fraction form is; 6/11

We are told that a bag contains eleven balls labelled 1 through 11. These numbers are;

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11. This is a total of 11 numbers.

The even numbers are a total of 5 while the odd numbers are a total of 6.

Now, the probability of selecting an odd number will be;

P(selecting odd number) = Number of possible odd numbers/Number of Total Numbers

Plugging in the relevant numbers gives;

P(selecting odd number) =  6/11

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Answer:

8.4

Step-by-step explanation:

The diagonals of a rectangle are equal.

That means WY = XZ

16x+2 = 36x-6

Subtract 16x from each side.

16x -16x+2 = 36x-16x-6

2 = 20x -6

Add 6 to each side

2+6 = 20x-6+6

8 = 20x

Divide by 20

8/20 = 20x/20

2/5 =x

We want to find the length of the diagonal

WY = 16 ( 2/5) +2

Changing to decimal form

WY =16 * .4 +2

WY =6.4+2

     = 8.4

The equation represents the graph is (y+1)² / 9 + (x+3)²/1 = 1 i.e, option(a)

Define Ellipse

In mathematics, an ellipse is the location of points in a plane so that their separation from a fixed point has a fixed ratio of "e" to their separation from a fixed line (less than 1). The conic section, which is the intersection of a cone with a plane that does not intersect the base of the cone, includes the ellipse. The eccentricity of the ellipse is symbolized by the constant ratio "e," the fixed point is known as the focus, and the fixed line is known as the directrix (d).

Standard from of the equation of an ellipse with centre (0,0) and major axis on x-axis is,

x² / a² + y² / b² = 1

Standard from of the equation of an ellipse with centre (H, K) and major axis parallel to the x-axis is,

(x - h)² / a² + (y - k)² / b² = 1

In equation,

(y+1)² / 9 + (x+3)²/1 = 1

Ellipse properties are :  (h,k) = (-3, -1) , a = 3, b = 1

b>a therefore b is semi-major axis, a is semi minor axis.

Ellipse Centre are :  (h,k) = (-3, -1) , a = 1, b = 3

Hence, the equation represents the graph is (y+1)² / 9 + (x+3)²/1 = 1 i.e, option(a).

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Answer:

Step-by-step explanation: 9x3

9x2

and 9 x 1 then when you get all of the answers but the answers  all  together now leave me alone pleaseeeeeeeeeeeeee  .

Answer:

7 busses

Step-by-step explanation:

Answer:

t = 2+x / x-3

Step-by-step explanation:

x = 3t + 2 / t - 1

x * (t-1) = 3t + 2

xt - x = 3t + 2

xt - 3t = 2 + x

t(x - 3) = 2 + x

t = 2+x / x-3

Answer:

$2,753.79

Step-by-step explanation:

Compound Interest Formula

\(\large \text{$ \sf A=P\left(1+\frac{r}{n}\right)^{nt} $}\)

where:

Given:

Substitute the given values into the formula and solve for A:

\(\implies \sf A=2000\left(1+\frac{0.0325}{1}\right)^{(1 \times 10)}\)

\(\implies \sf A=2000(1.0325)^{10}\)

\(\implies \sf A=2753.788608...\)

Therefore, the value of the investment after 10 years will be $2,753.79 to the nearest cent.

Answer:

4 , 1 and 6

Step-by-step explanation:

now ur not in trouble :)

Number of quarters is 6 and number of nickels are 42.

One eighth of Al's coins are quarters, so if we let x be the total number of coins, then x/8 is the number of quarters Al has.

We know that:

Quarters are worth $0.25 and nickels are worth $0.05 and total value of the coins is $3.60

so, x/8 * $0.25 + (x-x/8) * $0.05 = $3.60

=> x/8 * 0.25 + 7x/8 * 0.05 = 3.60

multiplying both sides by 8 to cancel out 8, we get

=> x*0.25 + 7x * 0.05 = 28.8

=> x/4 + 7x/20 = 28.8

=> (5x + 7x)/20 = 28.8

=> 12x = 576

=> x= 48

x/8 = 6 and (x-x/8) = 42

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Answer:

bottom right rectangle: 5x − y

bottom circle: 6x

Step-by-step explanation:

First, solve for the bottom right rectangle by finding the difference between the top right rectangle and the middle right circle:

(9x + 4y) − (4x + 5y)

= (9x − 4x) + (4y − 5y)

= 5x − y

Next, to find the bottom circle, add the bottom left rectangle with the bottom right rectangle (the one we just solved for):

(x + y) + (5x − y)

= (x + 5x) + (y − y)

= 6x

Answer:

reciprocal

Step-by-step explanation:

You flip it.

Answer:

k but pls put the question so you that will get support:-)

The correct answer is 1.19×10³ lbs.

The weight of first animal = 5.12×10² lbs

Performing multiplication to get the complete weight of first animal

The weight of first animal = 512 lbs

The weight of second animal = 6.8×10² lbs

Performing multiplication to get the complete weight of second animal

The weight of second animal = 680 lbs

Now, performing addition to find the approximate weights of two animals-

Final answer = 512 + 680

Performing addition to find the approximate weights of two animals

Final answer = 1192 lbs

Now, converting the number in scientific notation -

Final answer = 1.19×10³ lbs

Hence, the final answer in significant digits is 1.19×10³ lbs.

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Answer:

The answer is A.(-4,3)

Step-by-step explanation:

Multiply the first equation by -3,and multiply the second equation by 1.

−3(x+y=−1)

1(3x−4y=−24)

Becomes:

−3x−3y=3

3x−4y=−24

Add these equations to eliminate x:

−7y=−21

Then solve−7y=−21for y:

−7y=−21

\(\frac{-7y}{-7} =\frac{-21}{-7}\)

y=3

Now that we've found y let's plug it back in to solve for x.

Heres our original equation

x+y=−1

Substitute 3 for y in x+y=−1:

x+3=−1

x+3+−3=−1+−3(Add -3 to both sides)

x=-4

Answer:

answer is A)

Step-by-step explanation:

hope it helps

Answer:

A

Step-by-step explanation:

I just looked it up lol but I hope I helped