(a) find the critical numbers of (if any), (b)

find the open interval(s) on which the function is increasing or

decreasing, (c) apply the First Derivative Test to identify all

relative extrema, and (d) use a graphing utility to confirm your

results

Answer:

x+6=y

Step-by-step explanation:

Answer:

169.188 _[tex]\geq[/tex]__ 169.098

Step-by-step explanation:

The amount of water drained from the tank between 5 pm and 6 pm is given as follows:

143 liters.

An exponential function is modeled as follows:

y = ab^x.

In which the parameters are represented as follows:

The parameter values for this problem are given as follows:

Hence the function giving the amount of water in x hours after 1 pm is presented as follows:

y = 1870(0.86)^x.

At 5pm and 6 pm, the amounts are given as follows:

Hence the amount drained is of:

1023 - 880 = 143 liters.

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8 TV advertisements, 9 radiο advertisements, and 12 οnline advertisements shοuld be run tο maximize tοtal audience cοntact.

Let x be the number οf TV advertisements, y be the number οf radiο advertisements, and z be the number οf οnline advertisements.

The οbjective is tο maximize the tοtal audience, which is given by:

Tοtal audience = 140,000x + 18,000y + 30,000z

The cοnstraints are:

Cοst cοnstraint: 1500x + 200y + 550z ≤ 24,100

TV cοnstraint: x ≥ 0.15(x + y + z)

Radiο cοnstraint: y ≤ 0.45(x + y + z)

Maximum media usage cοnstraint: x ≤ 15, y ≤ 19, z ≤ 12

Nοn-negative cοnstraint: x ≥ 0, y ≥ 0, z ≥ 0

Using a sοlver, we get the fοllοwing οptimal sοlutiοn:

x = 8, y = 9, z = 12

Therefοre, 8 TV advertisements, 9 radiο advertisements, and 12 οnline advertisements shοuld be run tο maximize tοtal audience cοntact.

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When it happens, the ratio of their corresponding side will not change. The value of x is 8.

What are properties of triangle?

The sum of the interior angles of a triangle is always 180°.

When two triangle sides are linked together, they will always be longer than the triangle's third side.

Half of a triangle's base plus height is considered to be its surface area.

Already mentioned the ΔDEF and ΔXYZ are similar.

When it happens, the ratio of their corresponding side will not change.

So,

7/14=6/12=2x-5/22

We take last two,

6/12=2x-5/22

Or, 24x-60=132

Or, x= 192/24

Or, x=8

Hence, the value of x is 8.

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Answer:

please mark as brainliest

The two 2×2 matrices A and B with real entries  sucah that (AB)^2 is not equal to A^2 B^2 is given below:

Let A = [[1, 0], [0, -1]] and B = [[0, 1], [1, 0]] be two 2x2 matrices with real entries. Then,

AB = [[0, 1], [-1, 0]] and AB^2 = [[-1, 0], [0, -1]]

A^2 = [[1, 0], [0, 1]] and B^2 = [[0, 1], [1, 0]]

So, A^2B^2 = [[0, 1], [1, 0]] and (AB)^2 = ABAB = [[0, 1], [-1, 0]][[0, 1], [-1, 0]] = [[-1, 0], [0, -1]]

Therefore, (AB)^2 is not equal to A^2B^2 for the matrices A and B defined above.

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A

i had this question it's right

If mDA =(23x -14), mDB =(9x-4), and mx=?Arc DA= ?

The area of the figure is 88.3 square units

From the question, we have the following parameters that can be used in our computation:

a rectangle and a semicircle

The area of the figure is calculated as

Area = Sum of areas of  rectangle and semicircle.

From the figure, we have

Dimension of rectangle = 10 by 6

Semicircle = Diameter of 6

Using the above as a guide, we have the following:

Area = 10 * 6 + 3.142 * (6/2)^2

Evaluate

Area = 88.278

Approximate

Area = 88.3

Hence, the area is 88.3 square units

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Answer: 6

Step-by-step explanation:

Therefore , the solution of the given problem of function comes out to be f's average rate of change over the range [0, 3] is roughly 3.862.

All of the subjects, including real and fictitious locations as well as arithmetic variable design, will be covered in the midterm exam questions. a schematic illustrating the connections between various components that work together to produce the same outcome. A service is made up of many unique parts that work together to produce unique outcomes for each input.

Here,

f(b) – f(a) = average rate of change (b - a)

Since a = 0 and b = 3 in this instance, we get:

typical rate of change is equal to f(3) - f(0) /. (3 - 0)

We must assess the integral with x = 3 substituted before we can determine f(3):

From x=0 to x=3, compute f(3) = t3 + 2 dx.

By substituting u = t³ + 2, du = 3t² dt, we can assess this integral:

=> f(3) = ∫√(t³ + 2) dt evaluated from t=0 to t=3

=>  (1/3) * ∫√u du evaluated from u=2 to u=29

=>  (1/3) * [(2/3) * (29^(3/2) - 2^(3/2))]

=>   11.585

Simply enter x = 0 into the integral and assess it to obtain f(0):

Evaluation of f(0) = t³ + 2 dx from x=0 to x=3 = 0

Therefore, the average rate of change of f over the range [0, 3]

Average rate of change is

=> (11.585 - 0) / 3 - (f(3) - f(0))

=>   3.862

Therefore, f's average rate of change over the range [0, 3] is roughly 3.862.

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The APR for the loan given is $105.8

APR also called Annual Percentage Rate is the cost of your mortgage credit as a yearly rate.

To get the APR , we have to calculate the total amount paid in 24 months.

The total amount paid in 24 months = 24 × 167.15

= $4011.6

The principal is $3800, therefore the total interest paid in the two years is

I = A-P

I = 4011.6-3800

I = $211.6

Since APR is annual , then we need to calculate the interest for a year

yearly interest = 211.6/2

= $105.8

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Answer:

please mark as brainliest

Answer:

Step-by-step explanation:

To find:-

Answer:-

We are here given that JK is parallel to MN , and the values of MJ is 10 , NK = 25 and LN is 20 . We are interested in finding out the value of LM .

We can use Thale's Theorem here , according to which;

Thale's Theorem:-

So here we have;

[tex]\longrightarrow \dfrac{LM}{MJ}=\dfrac{LN}{NK} \\[/tex]

On substituting the respective values, we have;

[tex]\longrightarrow \dfrac{LM}{10}=\dfrac{20}{25}\\[/tex]

[tex]\longrightarrow LM = 10\times \dfrac{20}{25}\\[/tex]

[tex]\longrightarrow\large \pmb{\underline{\boxed{ LM = 8 }}} \\[/tex]

Therefore the value of LM is 8 .

Answer:

I think its the third option

Step-by-step explanation:

because its matches both of the evidence provided

Answer:10-2= 8

Step-by-step explanation:

Sure hope this helps you

The answer of the question based on the rate of interest is a)  $23,900, b) $1,146.37 c) $1,289.78.

An interest refers to cost of borrowing money, typically expressed as percentage of amount borrowed over period of time. When you borrow money, you generally have to pay back  amount borrowed plus interest, which compensates  lender for risk and opportunity cost of lending you  money.

a) The down payment is 10% of the home price, which is:

10% of $239,000 = 0.10 x $239,000 = $23,900

To find the loan amount, we subtract the down payment from the home price:

Loan amount = $239,000 - $23,900 = $215,100

b) To calculate the monthly payment at an interest rate of 5%, we use the formula for a fixed-payment loan:

M = P * r * (1 + r)^n / ((1 + r)^n - 1)

First, we need to find the monthly interest rate, which is the annual interest rate divided by 12:

Monthly interest rate = 5% / 12 = 0.00416667

Total number of payments = 30 years x 12 months/year = 360

Now we can plug in these values to find the monthly payment:

M = $215,100 * 0.00416667 * (1 + 0.00416667)^360 / ((1 + 0.00416667)^360 - 1) = $1,146.37

Therefore, the monthly payment at an interest rate of 5% is $1,146.37.

c) To calculate the monthly payment at an interest rate of 6%, we use the same formula as before, but with a different interest rate:

Monthly interest rate = 6% / 12 = 0.005

Total number of payments = 30 years x 12 months/year = 360

M = $215,100 * 0.005 * (1 + 0.005)^360 / ((1 + 0.005)^360 - 1) = $1,289.78

Therefore, the monthly payment at an interest rate of 6% is $1,289.78.

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The required y-coordinate of the third point is 17. Therefore, the ordered pair is (8,17).

We can use the two given points (5,8) and (7,14) to find the slope of the line passing through them, and then use the slope and the x-coordinate of the third point (8) to find the y-coordinate.

The slope of a line passing through two points (x1,y1) and (x2,y2) is given by:

[tex]$m = \frac{y2-y1}{x2-x1}$$[/tex]

Using the points (5,8) and (7,14), we get:

[tex]$m = \frac{14-8}{7-5} = \frac{6}{2} = 3$$[/tex]

So the slope of the line passing through these two points is 3.

Now we can use the slope and the x-coordinate of the third point (8) to find the y-coordinate. We use the point-slope form of the equation of a line:

[tex]$y - y1 = m(x - x1)$[/tex]

where (x1,y1) is one of the given points, and m is the slope.

Using the point (5,8), we get:

y - 8 = 3(x - 5)

Simplifying this equation, we get:

y = 3x - 7

Now we can use this equation and the x-coordinate of the third point (8) to find the y-coordinate:

y = 3(8) - 7 = 17

So the y-coordinate of the third point is 17. Therefore, the ordered pair is (8,17).

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Answer: 30 Child tickets 6 Adult tickets.

Step-by-step explanation:

Set up your system of equations to solve.

36 tickets are purchased, meaning a number of child tickets, and a different number of adult tickets add up to 36. We can write this as x+y=36.

The price of the tickets add up to 252 dollars. We can write this as 6 (the child price) times x + 12 (the adult price) times y = 252

So, x+y=36 and 6x+12y=252.

I will solve this using the substitution method.

So, first, we need to isolate a variable, I will choose the first equation to do so.

x+y=36 ---> x=36-y

Now, plug the value of x into the second equation.

6(36-y)+12y=252.

Distribute.

216-6y+12y=252

Combine like terms.

216+6y=252.

Subtract 216 from both sides.

6y=36

Divide by 6 on both sides.

y=6

Now plug this value of y into the previous equation to get x.

x+6=36

Subtract 6 from both sides.

x=30

Remember x was children's tickets and y was adult tickets. (It is better to use variables like C and A in this case).

The area of the figure is 72 square meters

From the question, we have the following parameters that can be used in our computation:

A composite figure

The area of the figure is calculated as

Area = Sum of areas of the individual figures

From the figure, we have

Number of rectangles that make up the composite =3

Using the above as a guide, we have the following:

Area = 8 * 5 + 4 * 7 + 2 * 2

Evaluate

Area = 72

Hence, the area is 72 square meters

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The numerator of the rational expression 7/V + 3/V is 10. In this rational expression, we are adding two fractions that have the same denominator (V).

To add these fractions, we need to find a common denominator, which is already given to us as V.

Then, we add the numerators of the two fractions, which are 7 and 3, to get:

7/V + 3/V = (7+3)/V

Simplifying the numerator by adding 7 and 3, we get:

10/V

The numerator for the rational expression 7/V + 3/V is:

7 + 3 = 10

Therefore, the numerator is 10.

Therefore, the numerator of the rational expression 7/V + 3/V is 10.

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After addressing the issue at hand, we can state that As a result, the equation truck travelled 1830.18 miles between fill-ups.

A mathematical statement which then proves both the equality of two traits linked by an equal sign '=' is known as an equation. 2x - 5 = 13, for example. 2x-5 and 13 are two expressions. The symbol '=' connects the two expressions. An equation is a mathematical formula with two algebraic expressions from either side of an equal sign (=). It represents the relationship of equivalence between left and right formulas. In any formula, LHS = RHS (left side = right side).

Because the truck used 241 gallons of diesel fuel between Monday and Friday, the distance travelled can be calculated using the truck's fuel efficiency.

T Previous fill-up odometer reading = 78467

At the current fill-up, the odometer reads 80293

Traveled distance = 80293 - 78467 = 1826 miles

241 gallons of fuel were consumed.

Mileage = Distance travelled / Fuel Consumption

Mileage = 1826 divided by 241

7.58 miles per gallon = mileage

We can now use the mileage to determine the distance travelled between fill-ups:

Distance travelled = Fuel consumption x Mileage

241 divided by 7.58 equals the distance travelled.

The total distance travelled is 1830.18 miles.

As a result, the truck travelled 1830.18 miles between fill-ups.

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Answer:

151.823

Step-by-step explanation:

Answer:

Step-by-step explanation:

28.7x5.29=151.823

There are 3 numbers after the decimal points on the left of the calculation so there must be 3 numbers after thge decimal point on the right side.

Answer:

I tried my best by helping

Step-by-step explanation:

So it is asking what are the probability of you getting the power ball lottery a player must get 5 white balls and a red one. I don’t get what question a is asking but letter b is the overall probability of the player winning the power ball lottery is 1/35 so in the graph it show 1 in 195,249,054. So that will be the answer of explaining the probability.

Answer: 1/3 or 1 divided by 3 is equivalent to 0.333333

Answer:

0,33

Step-by-step explanation:

this for sure.......

Answer:

I, IV, V

Step-by-step explanation:

To determine which of the given expressions are equivalent, we can expand and simplify them.

I. (x - 4)² - 1

Expanding the square, we get:

(x - 4)² = x² - 8x + 16

So, (x - 4)² - 1 = x² - 8x + 15

II. x² - 8x - 17

III. x² + 15

IV. x² - 8x + 15

V. (x - 5)(x - 3)

Expanding the product, we get:

(x - 5)(x - 3) = x² - 8x + 15

VI. x² - 17

From the above expressions, we can see that the following expressions are equivalent:

I. (x - 4)² - 1 and IV. x² - 8x + 15

Also, V. (x - 5)(x - 3) is equivalent to both I. and IV.

Therefore, the answer is (C) I, IV, V.

In response to the question, we may say that  The function therefore has graphs a single inflection point at x = -1.

Graphs are used by mathematicians to rationally represent or chart facts or values. Often, a graph point will show a connection between two or more objects. A graph is a type of non-linear data structure that is made up of nodes, or vertices, and edges. affix the nodes, also referred as as vertices. This graph includes edges E=1, 2, 1, 3, 2, 4, and (2.5) and vertices V=1, 2, 3, 5. (3.5). (4.5). graphs of exponential growth in the form of statistical charts (bar charts, pie charts, line charts, etc.). the form of a triangle-shaped logarithmic graph.

According to the graph you gave, there are two crucial spots, one at x = -1 and the other at x = 2, where the first derivative is 0 or undefined. The x-axis is divided into three intervals by these key points: (-infinity, -1), (-1, 2), and (2, infinity).

The function is rising and concave down, which means that it is curving downwards at a slower pace, on the range (-1, 2). As a result, when x = -1, there is an inflection point.

The function is rising and concave up, indicating that it is curving upwards at an increasing pace, on the interval (2, infinite). As a result, this interval lacks an inflection point.

The function therefore has a single inflection point at x = -1.

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