HELP LOL i have no idea it might be just me

Answer: X = -9

Step-by-step explanation:

You can set up a ratio to solve this.

208/13 = -144/x

208x=-1872

x = -9

\(\mathbb{ANSWER:}\)

Step 1: Write the equation of variation

Step 2: Solve for k or the constant of proportionality

Step 3: Solve for x

The volume of the solid generated by revolving the region bounded above by y = 16 cos(x) and below by y - 3 sec(x) about the x-axis can be found by using the method of cylindrical shells. The volume of the solid is approximately 89.9 cubic units.

To find the volume of the solid, we can integrate the cross-sectional area of the infinitesimally thin cylindrical shells that make up the solid.

The cross-sectional area of a cylindrical shell can be approximated by multiplying the circumference of the shell by its height. In this case, the circumference is given by 2πx (since we are revolving around the x-axis), and the height is given by the difference between the upper and lower functions: 16 cos(x) - (3 sec(x)).

Therefore, the differential volume of each cylindrical shell is given by:

dV = 2πx(16 cos(x) - (3 sec(x))) dx

To find the total volume, we integrate this expression over the appropriate interval. Since the region is bounded by the given functions, we integrate with respect to x from the point where the two functions intersect to the point where they intersect again. The intersection points can be found by setting the two functions equal to each other and solving for x.

After performing the integration, we find that the volume of the solid is approximately 89.9 cubic units.

It's worth noting that the integral in this case may be difficult to evaluate analytically and may require numerical methods or software to obtain an approximate solution.

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The volume of the box with surface area 10 is given by the formula V = 2.5x^2 - 0.25x^4, where x is the length of a side of the square base.

To find a formula for the volume of the box with surface area A and square base with side x, we first need to find the height of the box. Since the box has a square base, the area of the base is x^2. The remaining surface area is the sum of the areas of the four sides, each of which is a rectangle with base x and height h. Therefore, the surface area A is given by:

A = x^2 + 4xh

Solving for h, we get:

h = (A - x^2) / 4x

The volume V of the box is given by:

V = x^2 * h

Substituting the expression for h, we get:

V = x^2 * (A - x^2) / 4x

Simplifying, we get:

V = (Ax^2 - x^4) / 4

The domain of V is all non-negative real numbers, since both x^2 and A are non-negative.

To graph V as a function of x, we can use a graphing calculator or plot points using a table of values. The graph will be a parabola opening downwards, with x-intercepts at 0 and sqrt(A) and a maximum at x = sqrt(A) / sqrt(2).

To find the maximum value of V, we can take the derivative of V with respect to x and set it equal to 0:

dV/dx = (2Ax - 4x^3) / 4

Setting this equal to 0 and solving for x, we get:

x = sqrt(A) / sqrt(2)

Plugging this value of x into the formula for V, we get:

V = A^1.5 / (4sqrt(2))

Therefore, the maximum value of V is A^1.5 / (4sqrt(2)).

To find the formula for the volume of a box having surface area 10, we simply replace A with 10 in the formula we derived earlier:

V = (10x^2 - x^4) / 4

Simplifying, we get:

V = 2.5x^2 - 0.25x^4

Therefore, the volume of the box with surface area 10 is given by the formula V = 2.5x^2 - 0.25x^4, where x is the length of a side of the square base. The domain of V is all non-negative real numbers.

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Answer:

No the student is not correct because the answer is 0.4761. All the student did was wrong was the adding up the zeros.

Step-by-step explanation:

The constant of proportionality is y divided x so in this case will be:

════════ ∘◦❁◦∘ ════════

════════════════════

x1 = (-4)

y1 = (-3)

x2 = (-5)

y2 = (-6)

════════════════════

slope = gradient (m)

════════════════════

\(m = \frac{y2 - y1}{x2 - x1} = \frac{( - 6) - ( - 4)}{( - 5) - ( - 3)} = \frac{( - 2)}{( - 2)} = 1 \)

════════════════════

Answer:

7 - (-4)

Step-by-step explanation:

You can turn the numbers.

Answer:

angles r 50°&40°

Step-by-step explanation:

2p=2×25=50°

p+15=25+15=40°

Answer:

x > - 16

Step-by-step explanation:

41- 3/4 x < 53

Subtract 41 from each side

41-41- 3/4 x < 53-41

-3/4x < 12

Multiply each side by -4/3, remembering to flip the inequality

-4/3 * -3/4x > 12 * -4/3

x > - 16

The values in the columns which completes the table for the COLA salary adjustments are as follows;

\(\begin{tabular}{|c|c|c|c|} \cline{1-4}&Amount & Amount&New Salary\\ \cline{1-4}1& \$1,672&\$1,584&\$47,256 \\ \cline{1-4} 2 & \$1,312&\$3,116&\$45,428 \\ \cline{1-4}3&\$1,483&\$1,425&\$34,408 \\ \cline{1-4}\end{tabular}\)

4. The COLA Increase and New Salaries are presented as follows;

\(\begin{tabular}{|c|c|c|c|c|c|} \cline{1-6} & J. Spar&T. Beggins & R. Stokes &D. Garcia& J. Stiles\\ \cline{1-6}COLA Increase & 6.5\%&6.5\%&6.3\%&7.5\%&6.3\% \\ \cline{1-6} New Salary & \$20,430&\$23,925&\$35,480.04&\$15,792.3&\$31,385.64 \\ \cline{1-6} \end{tabular}\)

5. Ron Fortini's weekly salary prior to the increase was about $899.12

What is a COLA?

COLA is an acronym for Cost-Of-Living-Adjustment, which is an increase in salary or income to keep pace with the current inflation rate or trend and increased societal cost of living.

The amount C. North received based on COLA is; $44,000 × 2.80% = $1,232

The amount received as merit is; $44,000 × 3.60% = $1,584

The New Salary amount  = $1,232 + $1,584 + $44,000 = $47,256

The amount N. Vanders received as COLA is; $41,000 × 3.20% = $1,312

The amount received as merit is; $41,000 × 7.60% = $3,116

The New Salary is; $41,000 + $1,312 + $3,116 = $45,428

The amount M. Clark received as COLA is; $31,500 × 4.70% = $1,480.5

The amount M. Clark received as merit is; $31,500 × 4.50% = $1,417.5

M. Clark's New Salary is; $31,500 + $1,480.5 + $1,417.5 = $34,397

Please find above the completed columns that complete the questions 1, 2, and 3 above.

4. The COLA received based on the sliding scale for the cost-of-living adjustment are;

J. Spar; 6.5%

T. Beggins; 6.5%

R. Stokes; 6.3%

D. Garcia; 7.5%

J. Stiles; 6.3%

The New Salaries based on the total increase are;

               \({}\)                                      New Salary

J. Spar; $18,000 + $18,000 × 12.50%  = $20250

T. Beggins; $21,750 + $21,750 × 10.00% = $23,925

R. Stokes; $31,860 + $31,860 × 11.4% = $35,492.04

D. Garcia; $14,615 + $14,615 × 8.20% = $15,813.43

J. Stites; $27,916 + $27,916 × 12.525% = $31,412.479

Please find included the completed rows for the COLA Increase and the New Salary above

5. Let x represents Ron Fortini's prior weekly salary

Ron Fortini's weekly salary after 5.20% merit increase and 2.75% cost-of-living increase, Ron Fortini's new salary is $968.80

Therefore;

New weekly salary =  Prior weekly salary + (Prior weekly salary × (5.20% + 2.75%))

$968.80 = x + x × 0.0775 = 1.0775·x

1.0775·x = $968.80

x = $968.80/1.0775 ≈ $899.12

Therefore, Ron Fortini's weekly salary prior to the increases was $899.12

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Answer:

Step-by-step explanation:

broski do length x height

Length x Width

height x width

and then multiply each product by 2 becue of 2 sides then add

Answer: C: 108 feet squared

Step-by-step explanation:

To figure out surface area, you must find the area of all sides and then add them.

The area of the top rectangle is 24 feet squared.

8x3=24

The area of the second rectangle is 32 feet squared.

8x4=32

The area of the third rectangle is 40 feet squared.

5x8=40

The area of the triangle to the left is 6 feet squared.

3x4=12

12/2=6

The area of the triangle to the right is 6 feet squared.

3x4=12

12/2=6

Add them all up: 6+6+40+24+32=108

Therefore, the area is 108 feet squared.

Answer:

km that is k×m means k is multiplied by m

Answer:

1. 1/7

2. 3/10

Step-by-step explanation:

4/28 can be divided by 4

24/80 can be divided by 8

Answer:

1 7/8 can be written as 8*1+7/8=15/8=1.875

Step-by-step explanation:

Answer:

To find out how much money Dee had left after her purchases, we can use the equation: $120 - $55 - (3 × $18) = M. This equation represents the initial amount of money Dee had ($120) minus the amount she spent at the grocery store ($55) minus the cost of the three potted flowers ($18 each, so 3 × $18). By simplifying this equation, we can find the value of M, which represents the money Dee had left.

Answer:

(x1,y1)   is  (2,7)

    (x2,y2)   is  (0,1)

Step-by-step explanation:

Points:

    (x1,y1)   is  (2,7)

    (x2,y2)   is  (0,1)

Point-slope form is:

  (y-y1) = ( (y2-y1) / (x2-x1) )(x - x1)

   y - 7 =( (-6)/(0-2) )(x-2)

   y - 7 = 3x - 6

    y = 3x + 1    [slope-intercept form]

Check:

  Is  (2,7) on the line:

       7 = 3(2) + 1   ?

       y = 7   ?yes

  Is (0,1) on the line:

       1 = 3(0) + 1   ?

       1 = 1   ?yes

Answer:

i dont knoweeee imitherrr

Difference between the fees of Ahab and his sister is \(2.8*10^{3} -1.15*10^{3}=1.65*10^{3}\)

Review the following subtraction rules and properties:

Given: Ahab pays dollars for one year's tuition fees and his sister pays dollars fees in tuition for the first year

To find: Difference in tuition fees paid by Ahab and his sister?

Solution:

To find the difference in their fees we have to perform simply normal subtraction

Subtract the fees of his sister from Ahab's fees which is as follows:

\(2.8*10^{3} -1.15*10^{3}=1.65*10^{3}\)

Hence the difference between the fees of Ahab and his sister is \(2.8*10^{3} -1.15*10^{3}=1.65*10^{3}\)

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Answer: $.075 per pound

Step-by-step explanation:

You divide $6 (total cost) by 8 pounds to find the cost per pound

Answer:

Perimeter = 36

Area = 81

Step-by-step explanation:

Perimeter of a square is side length * 4.

9*4 = 36

Area of a square is L*L,

9*9 = 81

Answer:

5/12

Step-by-step explanation:

I used a calculator

In the given graph with the function, x = -9 if f(x) = 7

An illustration of a relation is a function graph. In set theory and modern mathematical foundations, a function is actually equal to its graph. It is often helpful to think of functions as mappings, which include the sets that constitute the domain and the codomain in addition to the relationship between input and output.

A codomain should be considered, for instance, when determining whether a function is onto (surjective) or not. The codomain is not determined by the graph of a function alone. The terms "function" and "graph of a function" are frequently used because, although they refer to the same thing, they express different viewpoints on it.

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Answer:

A. C) x = 19

B. A) 37

Step-by-step explanation:

A. 7x - 8 = 6x + 11

7x - 8 - 6x = 6x + 11 - 6x

x - 8 = 11

x - 8 + 8 = 11 + 8

x = 19

B.

If m<3 = 37

<1 = <3

Therefore, m<1 must equal 37

Answer:

-16 > n or n < -16

Step-by-step explanation:

First, we can write the inequality and distribute.

-6n-12 > 3(-n+12)

-6n-12 > -3n+36

Get rid of a variable first (it makes solving a lot easier). We can add 6n to both sides.

-6n-12 > -3n+36

+6n          +6n

-12 > 3n+36

Now, we can subtract 36 on both sides.

-12 > 3n+36

-36         -36

-48 > 3n

Divide by 3 on both sides.

-48 > 3n

/3       /3

-16 > n or (if it's easier) n < -16

Hope this helps!! Have a wonderful day C:

Answer:

Step-by-step explanation:

30  30 x 3 = 90

x 3

90  

first  multiply 4 x 5 = 20 bring down 0 then multiply 4 x 2 = 8 then add+2= 10

25 x 4 = 100

12 x 15 = 180

Answer:

a. x > -1

b. x >= -2

c. x <= 3

d. x <= 0

Step-by-step explanation:

The diver collected water samples at every 3 meters, starting from 5 meters below the water surface, up to a final depth of 35 meters.

We can find the number of samples collected by dividing the total depth range by the distance between each sample and then adding 1 to include the first sample.

The total depth range is:

35 m - 5 m = 30 m

The distance between each sample is 3 m, so the number of samples is:

(30 m) / (3 m/sample) + 1 = 10 + 1 = 11

Therefore, the diver collected a total of 11 water samples.