Solve −2(−4n + 1)+5(25n − 8)=−62.



n= ?

Answer:

4 IS THE ANSWER MATE

Step-by-step explanation:

Absolutely, I can do that!

Let's take a look at each statement:

1) f(x) has a y-intercept at (0,2)

To find the y-intercept, we need to set x to 0 and solve for y. Plugging in x = 0 into the equation for f(x), we get:

f(0) = -log(0+4) + 2

f(0) = -log(4) + 2

f(0) = -0.602 + 2

f(0) = 1.398

Since the y-coordinate of the y-intercept is 1.398, not 2, this statement is false.

2) The function -f(x) has a y-intercept at (0,2)

Since the negative sign in front of f(x) reflects the graph of f(x) across the x-axis, we can determine the y-intercept of -f(x) by taking the opposite of the y-intercept of f(x). Since the y-intercept of f(x) is not 2, this statement is also false.

3) As x approaches positive infinity, the function f(x) approaches negative infinity.

The function f(x) is a logarithmic function with a negative coefficient, which means it approaches negative infinity as x approaches positive infinity. Therefore, this statement is true.

4) As x approaches -4 from the right, the function f(x) approaches negative infinity.

As x approaches -4 from the right, the value of f(x) becomes more and more negative without bound, which means that f(x) approaches negative infinity as x approaches -4 from the right. Therefore, this statement is also true.

In summary, statements (1) and (2) are false, while statements (3) and (4) are true.

Answer:

B

Step-by-step explanation:

Answer:

b

Step-by-step explanation:

edge 2021

Answer:

The Last Answer

Step-by-step explanation:

Process of elimination

He wants AT LEAST which means that is will be a less than symbol with a line under it, the last one is the only one with that!

Answer:

D be because 2 +4 -5

Step-by-step explanation:

Answer:

-5/6

Step-by-step explanation:

A great way to divide fractions is to use the "leave it, change it, flip it" method.  You leave the first fraction as it is, change the division sign to a multiplication sign, and flip the second fraction so you get the reciprocal.  Like this:

-5/7 ÷ 6/7

-5/7 x 6/7

-5/7 x 7/6

Then you multiply through.  First -5 x 7, -35, and then 7 x 6, 42, to get -35/42.  Because both of these are divisible by 7, we can simplify to get -5/6.

Answer:

-5

6

Step-by-step explanation:

⇒ \(\frac{-5}{7}\) ÷ \(\frac{6}{7}\)

⇒ \(\frac{-5}{7}\) × \(\frac{7}{6}\)

(We do this because when dividing a fraction by another fraction we take the inverse of the second fraction and multiply it to the first fraction.)                                                                                                          

⇒ -5 × 7 = -35 (to simplify just divide both by 7) = -5

     7 × 6     42                                                             6

So the answer is -5

                            6

Answer:

Step-by-step explanation:

The perimeter of a quarter circle can be calculated by adding the length of the arc and the two radii that make up the quarter circle.

The length of the arc of a quarter circle is given by (πr)/2, where r is the radius of the quarter circle and π is approximately 3.142 (as given in the question).

So, for a quarter circle with a radius of 7 cm, the length of the arc would be:

(πr)/2 = (3.142 x 7)/2 = 10.997 cm (rounded to 3 decimal places)

The two radii that make up the quarter circle are each equal to the radius of the quarter circle, so the total length of the two radii would be:

2r = 2 x 7 = 14 cm

Therefore, the perimeter of the quarter circle would be:

10.997 cm + 14 cm = 24.997 cm (rounded to 3 decimal places)

So the perimeter of the quarter circle is approximately 24.997 cm. The digits given by the calculator will depend on the specific calculator used.

Answer:

Step-by-step explanation:

Sum of all the angles is 180

<A + 90 + 50 = 180

<A + 140 = 180

<A =  40

Use cos x = adjacent side/hypotonuse

Use 50 as your reference angle

cos 50  = 19/c          >cross multiply

c cos 50 = 19            >divide both sides by cos 50 to solve for c

c= 19/cos 50            >plug in

c=29.6

Now use tan x = opposite side/ adjacent side

Use 50 as your reference angle

tan 50 = b/19             >multiply both sides by 19

b= 19 tan 50              >plug in

b= 22.6

Answer: The mean of the binomial distribution μ is 11.0 (rounded to the nearest tenth).

Explanation :According to the given problem, the weight of the golf ball shall not be greater than 1.620 ounces (45.93 grams). The diameter of the ball shall not be less than 1.680 inches. The velocity of the ball shall not be greater than 250 feet per second. The golf association periodically checks the specifications of golf balls using random sampling. Three dozen of each kind are sampled, and if more than three do not meet size or velocity requirements, that kind of ball is removed from the golf association's approved list. So, if a ball is approved, it has a probability p = (12-3)/12 = 0.75 of passing the test. If the association checks n = 12 golf balls of that type, then the number of approved balls is a binomial random variable X ~ B(12, 0.75). Therefore, the mean of the binomial distribution is given by μ = np = 12(0.75) = 9.0 (rounded to the nearest tenth).However, the association tests 3 dozen = 36 balls of each type. There are 36/12 = 3 groups of 12 balls each. At most, 3 balls in each group can fail the test, so at most 9 balls out of the 36 are allowed to fail the test. Therefore, a ball type is removed from the approved list if there are 10 or more balls that do not meet the size or velocity requirements among the 36 balls that are tested. Hence, we need to find the probability that X ≥ 10 when X ~ B(36, 0.75). Using the normal approximation to the binomial distribution, we have:P(X ≥ 10) ≈ P(Z ≥ (10 - 9.0)/√[(36)(0.75)(0.25)]) ≈ P(Z ≥ 0.632455) = 0.2643 (rounded to 4 decimal places).Therefore, the mean of the binomial distribution μ is 11.0 (rounded to the nearest tenth).

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Given:

Number of students = 312

Number to be chosen = 4

To find the number of ways this can happen, let's use combination meyhod.

Thus, we have:

Solving further, we have:

Therefore there are 387,278,970 ways this can happen

ANSWER:

387,278,970 ways

Answer:

What is the question?

Step-by-step explanation:

Answer:

n=1/3

Step-by-step explanation:

Five more than the product of a number and 9 is equal to 8

n is the number

5+9n=8

9n=3

n=1/3

Answer:

I have the same questions and I got them right

Step-by-step explanation:

16. What is P(red, yellow, blue)?

P(red, yellow, blue)=  6/16= 3/8.

4/16+ 1/16+ 1/16= 6/16= 3/8

17. What is P(orange, yellow)?

P(orange, yellow)= 1/8

1/16+1/16= 2/16= 1/8

18. P(green, blue, purple)?

P(green, blue, purple)=  5/8

7/16+1/16+2/16= 10/16= 5/8.

19. P(pink)?

P(pink)=0

There is no pink color.

20. P(red, orange, yellow, green, blue, purple)?

P(red, orange, yellow, green, blue, purple)= 16/16= 1.

4/16+ 1/16+ 1/16+ 7/16+1/16+2/16 =16/16= 1.

We have,

= -6(3x - 2/3)

= -6(3x × 3 - 2)/3

= -6(9x - 2)/3

= -2(9x - 2)

= (-18x + 4)

Your answer will be option number 4.

Answer:

- 18x + 4

Step-by-step explanation:

\(-6(3x-\frac{2}{3})\)

- 18x + 4

The functions for which the extreme value theorem guarantees the existence of an absolute maximum and minimum are: options A. and C. respectively;

A. f(x) = sin(πx/2) over [-1,1]

B. h(x) = cos(πx/2) over [-1,1]

The extreme value theorem guarantees the existence of an absolute maximum and minimum for continuous functions on a closed and bounded interval. Let's analyze each function:

1. f(x) = sin(πx/2) over [-1,1]

This function is continuous on the closed and bounded interval [-1,1]. Therefore, the extreme value theorem guarantees the existence of an absolute maximum and minimum for this function.

2. g(x) = 1/sin(πx/2) over [1/2,1/3]

This function is not continuous on the interval [1/2,1/3] because sin(πx/2) has a zero at x = 2/3, which makes the denominator zero. Therefore, the extreme value theorem does not apply, and the existence of an absolute maximum and minimum is not guaranteed.

3. h(x) = cos(πx/2) over [-1,1]

This function is continuous on the closed and bounded interval [-1,1]. Therefore, the extreme value theorem guarantees the existence of an absolute maximum and minimum for this function.

4. k(x) = 1/cos(πx) over [1/2,1/3]

This function is not continuous on the interval [1/2,1/3] because cos(πx) has a zero at x = 1/2, which makes the denominator zero. Therefore, the extreme value theorem does not apply, and the existence of an absolute maximum and minimum is not guaranteed.

Based on the analysis above, the functions for which the extreme value theorem guarantees the existence of an absolute maximum and minimum are:

- f(x) = sin(πx/2) over [-1,1]

- h(x) = cos(πx/2) over [-1,1]

So, the correct options are: f(x) and h(x).

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Answer:

1.) -2

2.) -2

3.) -3

Step-by-step explanation:

Since we can't make a graph, we can make a table

(-5,13) and (1,1)

x       y

-5      13

1        1

From 13 to 1, you subtract 12 ( y-section)

From -5 to 1, you add 6 (x-section)

Now we can do y/x

y/x = 12/6 = -2

The slope for this first one is (-2).

(-5,14) and (12,-21)

x           y

-5          14

12         -21

From 14 to -21, you subtract 34

From -5 to 12, you add 17

Now we can do y/x

y/x = -34/17 = -2

The slope for this second one is (-2)

(1,1 )and (12,-21)​

x        y

1        12

12     -21

From 12 to 21, you subtract 33

From 1 to 12, you add 11

Now we can do y/x

y/x = -33/11 = -3

The slope for this third one is (-3)

Hope this helped!

Have a supercalifragilisticexpialidocious day!

\((\stackrel{x_1}{-2}~,~\stackrel{y_1}{6})\qquad (\stackrel{x_2}{-1}~,~\stackrel{y_2}{18}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{18}-\stackrel{y1}{6}}}{\underset{\textit{\large run}} {\underset{x_2}{-1}-\underset{x_1}{(-2)}}} \implies \cfrac{12}{-1 +2} \implies \cfrac{ 12 }{ 1 } \implies 12\)

\(\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{6}=\stackrel{m}{ 12}(x-\stackrel{x_1}{(-2)}) \implies y -6 = 12 ( x +2) \\\\\\ y-6=12x+24\implies {\Large \begin{array}{llll} y=12x+30 \end{array}}\)

Answer:

a > -2

Step-by-step explanation:

The rule is, that if you multiply (or divide) by a negative number, you must reverse the inequality symbol.

Also, if you ever need to rearrange your inequality, like switch the left and right sides, make sure to keep the symbol pointing at the same number to make sure you have written an equivalent statement.

2 > -a

Multiply (or divide) both sides by -1. Don't forget to reverse the symbol.

-2 < a

The "wide side" is towards the a and the point is towards the -2. Rearrange, but keep that the same.

a > -2

That's a general overview of how to use Solver in Excel to solve optimization problems. If you have a specific problem in mind, please provide the details, and I'll be happy to assist you further.

Excel Solver is an add-in tool in Microsoft Excel that allows you to find an optimal solution for a given problem by adjusting certain variables.

To use Excel Solver, you need to set up a model that includes the objective function to optimize and any constraints or limitations on the variables.

The Solver then iteratively adjusts the variables to find the optimal solution that maximizes or minimizes the objective function while satisfying the constraints.

Here's a step-by-step explanation of how to use Excel Solver:

Set up your Excel spreadsheet: Start by organizing your data in a spreadsheet.

You should have a section for input variables, the objective function, and any constraints.

This could be a mathematical formula or a cell reference in your spreadsheet.

Open Solver: Go to the "Data" tab in Excel and click on "Solver" in the "Analysis" group. The Solver Parameters window will appear.

Remember to round your answer according to the requirements of your specific problem.

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Given: Radius of the wheel = 30 inches, Revolutions per minute = 401 rpmThe linear speed of the car in miles per hour can be calculated as follows:

Step 1: Convert the radius from inches to miles by multiplying it by 1/63360 (1 mile = 63360 inches).30 inches × 1/63360 miles/inch = 0.0004734848 milesStep 2: Calculate the distance traveled in one minute by the wheel using the circumference formula.Circumference = 2πr = 2 × π × 30 inches = 188.496 inchesDistance traveled in one minute = 188.496 inches/rev × 401 rev/min = 75507.696 inches/minStep 3: Convert the distance traveled in one minute from inches to miles by multiplying by 1/63360.75507.696 inches/min × 1/63360 miles/inch = 1.18786732 miles/minStep

4: Convert the distance traveled in one minute to miles per hour by multiplying by 60 (there are 60 minutes in one hour).1.18786732 miles/min × 60 min/hour = 71.2720392 miles/hour Therefore, the linear speed of the car is 71.3 miles per hour (rounded to the nearest tenth).Answer: 71.3

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The radius of the wheel on a car is 30 inches. If the wheel is revolving at 401 revolutions per minute, The linear speed of the car is approximately 19.2 miles per hour.

To find the linear speed of the car in miles per hour, we need to calculate the distance traveled in one minute and then convert it to miles per hour. Here's how we can do it step by step:

Calculate the circumference of the wheel:

The circumference of a circle is given by the formula

C = 2πr

where r is the radius of the wheel.

In this case, the radius is 30 inches, so the circumference is

C = 2π(30)

   = 60π inches.

Calculate the distance traveled in one revolution:

Since the circumference represents the distance traveled in one revolution, the distance traveled in inches per revolution is 60π inches.

Calculate the distance traveled in one minute:

Multiply the distance traveled in one revolution by the number of revolutions per minute.

In this case, it is 60π inches/rev * 401 rev/min = 24060π inches/min.

Convert the distance to miles per hour:

There are 12 inches in a foot, 5280 feet in a mile, and 60 minutes in an hour.

Divide the distance traveled in inches per minute by (12 * 5280) to convert it to miles per hour.

The final calculation is (24060π inches/min) / (12 * 5280) = (401π/66) miles/hour.

Approximating π to 3.14, the linear speed of the car is approximately (401 * 3.14 / 66) miles per hour, which is approximately 19.2 miles per hour.

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The range of the function g(x) = |x - 12| - 2 is {y | y > -2}, indicating that the function can take any value greater than -2.

To find the range of the function g(x) = |x - 12| - 2, we need to determine the set of all possible values that the function can take.

The absolute value function |x - 12| represents the distance between x and 12 on the number line. Since the absolute value always results in a non-negative value, the expression |x - 12| will always be greater than or equal to 0.

By subtracting 2 from |x - 12|, we shift the entire range downward by 2 units. This means that the minimum value of g(x) will be -2.

Therefore, the range of g(x) can be written as {y | y > -2}, which means that the function can take any value greater than -2. In other words, the range includes all real numbers greater than -2.

Visually, if we were to plot the graph of g(x), it would be a V-shaped graph with the vertex at (12, -2) and the arms extending upward infinitely. The function will never be less than -2 since we are subtracting 2 from the absolute value.

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Answer:

What contributed to the decline of the Indus Valley civilization?

Select all correct answers.

Step-by-step explanation:

As a result, the answer to the provided coordinate plane problem is only choice C), which is the right answer.

The term "coordinate plane" refers to a two-dimensional region that consists of two number lines. It emerges when the X-axis & Y-axis intersect at a location known as the origin. Using the numbers on a coordinate grid, one can locate points.

Here,

Since, If there is a coordinate plane with both parallel lines, go with option A.

Therefore, there is no cure.

There are hence a finite number of solutions that could be found.

If two lines cross, there is only one potential result for Option B. Consequently, the quantity of potential solutions is.

According to Option C, there must be an endless number of solutions to the system because there are two coinciding lines that provide us an infinite number of junction sites.

The difference between Option D) and Option B) is noted.

Only choice C) is hence the proper one.

Therefore , the solution to the given problem of coordinate plane comes out to be Only choice C) is hence the correct one.

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Answer:

2L+2W

Step-by-step explanation:

U JUST MOVE THE 2 TO THE L AND MOVE THE 2W TO THE OTHER SIDE. I THINK MY ANSWER IS RIGHT BUT MAYBE WAIT FOR ANOTHER PERSON

Confirmed Solution:

\(p=2l+2w\)

Hope this helps!

So to find any last digit of 3^2011 divide 2011 by 4 which comes to have 3 as remainder. Hence the number in units place is same as digit in units place of number 3^3. Hence answer is 7.

Answer:

B, F, G

Step-by-step explanation:

Answer:

B, F, G

Step-by-step explanation:

Answer:

Step-by-step explanation:

4 + 5(-2)^2

4 + 5(4)

4 + 20 = 24

Answer: 24

Step-by-step explanation:

4 + 5(-2)^2

4 + 5(4)

4 + 20 = 24

Answer:

118.75 cents

Step-by-step explanation:

First you get 125.00 and multiply it by .05 which is 5 percent in decimal form.

Once you multiply u should get 6.25. Get that 6.25 and subtrcat it with the 125. That leaves u with 118.75

Answer:

the next three terms are 2,7,12,17,22,27,32

have a nice day

Answer:

n + 5

Step-by-step explanation:

n+5

2,7,12,17,22,27,32

Let \(n=0\). Then \(0^3 = 0\) but 0 > 0 is a false statement.

Answer:

x < 5

Step-by-step explanation:

2x - 3 < x + 2 ≤ 3x + 5

2x - 3 < x + 2 and x + 2 ≤ 5

x < 5 and x ≤ 3

Answer: x < 5