A storage cube that has an edge length of 16 centimeters is being packed in a cardboard box with a length of 28 centimeters, a width of 18 centimeters, and a height of 22 centimeters. The extra space is filled with packing peanuts. The packing peanuts cost $0.002 per cubic centimeter. How much will it cost to fill the extra space with packing peanuts?

Answers

Answer 1

Volume of cardboard box = L x B x H = 28x18x22 =11,088 cubic centimeters

Volume of storage cube = LxLxL= 16x16x16 = 4,096 cubic centimeters

The extra space = 11,088 - 4,096 = 6,992 cubic centimeters

The cost to fill the extra space = 6992 x 0.002 = $13.984 approximately $13.98


Related Questions

A closet in Shivani's house is 2 yards by 1 yard. How much would it cost to put a new floor in the closet if the flooring costs $38.00 per square yard?

Answers

The amount it would cost to put a new floor in the closet is $76.00

Calculating how much it would cost to put a new floor in the closet

From the question, we are to calculate how much it would cost to put a new floor in the closet

From the given information,

A closet in the house is 2 yards by 1 yard.

To determine how much it would cost to put a new floor in the closet,

First,

We calculate the area of the closet

Area of the closet = 2 yard × 1 yard

Area of the closet = 2 square yards

Now,

From the given information,

The flooring costs $38.00 per square yard

Thus,

The amount it would cost to put a new floor in the closet is

2 × $38.00

= $76.00

Hence,

The amount it would cost is $76.00

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can you help me please

can you help me please

Answers

Hence the correct option is to translate down 2 unit

Transformations can be non-rigid (when the preimage's size or shape is unaltered) or stiff (where the size is changed but the shape remains the same). These are the fundamental guidelines that this concept abides by. It is a straightforward approach to alter 2D forms.

Planar transformations and spaces can be distinguished from one another using the dimensions of the operand sets.

We have the parent function f(X)= x

and transformed function is g(x)= -3f(x+5)-2

the parent function f(x) is translated dawn 2 units and stretched by 5 .

Hence the correct option is to translate down 2 unit

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What is the value of the product (3 – 2i)(3 + 2i)?

Answers

Answer:

13

Step-by-step explanation:

(3 - 2i)(3 + 2i)

Expand

(9 + 6i - 6i - 4i^2)

Add

(9 - 4i^2)

Convert i^2

i^2 = (\(\sqrt{-1}\))^2 = -1

(9 - 4(-1))

Add

(9 + 4)

= 13

Answer:

13.

Step-by-step explanation:

(3 - 2i)(3 + 2i)

= (3 * 3) + (-2i * 3) + (2i * 3) + (-2i * 2i)

= 9 - 6i + 6i - 4\(\sqrt{-1} ^{2}\)

= 9 - 4(-1)

= 9 + 4

= 13

Hope this helps!

a bernoulli differential equation is one of the form observe that, if or , the bernoulli equation is linear. for other values of , the substitution transforms the bernoulli equation into the linear equation consider the initial value problem (a) this differential equation can be written in the form with 1/x , 5 , and 2 . (b) the substitution y^-1 will transform it into the linear equation -1/x -5 . (c) using the substitution in part (b), we rewrite the initial condition in terms of and : 1/5 . (d) now solve the linear equation in part (b), and find the solution that satisfies the initial condition in part (c).

Answers

The Bernoulli differential equation is a nonlinear ordinary differential equation of the form:

dy/dx + P(x)y = Q(x)y^n, where n ≠ 0, 1.

For n = 0 or n = 1, the equation is linear. For other values of n, a common technique to linearize the equation is to make the substitution y = v^(-1/n-1). The resulting equation is:

dv/dx + (P(x) + Q(x)/v^(1/n-1)) * (1/n-1) * v^(1/n-2) * dv/dx = 0.

For the initial value problem given, we have P(x) = -1/x, Q(x) = -5, and n = 2.

We make the substitution y = v^(-1), so v = y^(-1), and dv/dx = -y^(-2)dy/dx. The equation becomes:

-y^(-2)dy/dx + (-1/x - 5y^2) = 0.

We have the initial condition y(1) = 1/5. In terms of v, the initial condition becomes v(1) = 1/(1/5)^2 = 25.

Now, the differential equation is linear, and we can solve it using standard methods, such as separation of variables. To find the solution that satisfies the initial condition, we may use numerical methods such as the Euler method or Runge-Kutta method.

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Solve by completing the square.
j² + 14j + 5 = 0
Write your answers as integers, proper or improper fractions in simplest form, or decimals
rounded to the nearest hundredth.
Submit
or j =
=

Answers

Answer:

\(j = 7 \pm \sqrt{44}\)

Step-by-step explanation:

First, move the constant term to the other side of the equation.

\(j\² + 14j + 5 = 0\)

\(j\² + 14j = -5\)

Next, add the coefficient of the first degree j term divided by 2, then squared to both sides.

\(j^2 + 14j + (14/2)^2 = -5 + (14/2)^2\)

\(j^2 + 14j + (7)^2 = -5 + (7)^2\)

\(j^2 + 14j + 49 = -5 + 49\)

\(j^2 + 14j + 49 = 44\)

Now, we can factor the left side as a square.

\((j+7)(j+7) = 44\)

\((j+7)^2 = 44\)

Finally, we can take the square root of both sides to solve for j.

\(\sqrt{(j+7)^2} = \sqrt{44\)

\(j+7=\pm\sqrt{44}\)

\(\boxed{j = 7 \pm \sqrt{44}}\)

Note that there are two solutions, as \(\sqrt{44\) could be positive OR negative because of the even root property:

if \(x^2 = a^2\),

then \(x = \pm a\)

because both \((+a)^2\) and \((-a)^2\) equal \(a^2\).

Si tengo 10 melones y voy a repartir entre 15 niños cuánto le toca a cada uno

Answers

Answer:

0.66 melones por niño o 2/3

Step-by-step explanation:

10/15=2/3=0.66

I need help my last tutor gave the wrong answer

I need help my last tutor gave the wrong answer

Answers

The value of x can be found by using the Tangent Trigonometric ratio, which is given as

\(\tan \theta=\frac{\text{opp}}{\text{adj}}\)

From the question, we have the following values:

\(\begin{gathered} \theta=38\degree \\ \text{opp }=19 \\ \text{adj }=x \end{gathered}\)

Substituting the values, we have

\(\tan 38=\frac{19}{x}\)

Solving, we have:

\(\begin{gathered} 0.7813=\frac{19}{x} \\ \therefore \\ x=\frac{19}{0.7813} \\ x=24.31\approx24.3 \end{gathered}\)

The correct answer is 24.3 units.

please solve

-10 + (-2)

step by step please!

Answers

Answer:

-12

Step-by-step explanation:

-10 + (-2)

-10 - 2

Answer: -12

Answer:

-12is the answer,hope it will help you.

\(=-10+(-2)\\=-10-2\\=-12\)

Suppose a distant world with surface gravity of 5.20 m/s2 has an atmospheric pressure of 8.28 ✕ 104 Pa at the surface.
(a) What force is exerted by the atmosphere on a disk-shaped region 2.00 m in radius at the surface of a methane ocean?
N=?

(b) What is the weight of a 10.0-m deep cylindrical column of methane with radius 2.00 m? Note: The density of liquid methane is 415 kg/m3.
N=?

(c) Calculate the pressure at a depth of 10.0 m in the methane ocean.
Pa=?

Answers

(a) The force exerted by the atmosphere on a disk-shaped region 2.00 m in radius at the surface of a methane ocean is 6.56 x 10^5 N.

We can use the formula:

Force = Pressure x Area

The pressure is given as 8.28 x 10^4 Pa, and the area of the disk-shaped region is πr^2 = π(2.00 m)^2 = 12.57 m^2.

Substituting the given values gives:

Force = (8.28 x 10^4 Pa) x (12.57 m^2) = 6.56 x 10^5 N

Therefore, the force exerted by the atmosphere on the disk-shaped region is 6.56 x 10^5 N.

(b) The weight of a 10.0-m deep cylindrical column of methane with radius 2.00 m is 3.25 x 10^6 N.

The volume of the cylindrical column is given by:

Volume = πr^2h = π(2.00 m)^2(10.0 m) = 125.66 m^3

The mass of the cylindrical column is:

Mass = Volume x Density = (125.66 m^3) x (415 kg/m^3) = 52170.9 kg

The weight of the cylindrical column is:

Weight = Mass x Gravity = (52170.9 kg) x (5.20 m/s^2) = 3.25 x 10^6 N

Therefore, the weight of the cylindrical column is 3.25 x 10^6 N.

(c) The pressure at a depth of 10.0 m in the methane ocean is 4.14 x 10^5 Pa.

The pressure at a depth h in a liquid is given by:

P = ρgh

where ρ is the density of the liquid, g is the acceleration due to gravity, and h is the depth of the liquid.

Substituting the given values gives:

P = (415 kg/m^3) x (5.20 m/s^2) x (10.0 m) = 4.14 x 10^5 Pa

Therefore, the pressure at a depth of 10.0 m in the methane ocean is 4.14 x 10^5 Pa.

500 - 237 in subtraction standard algorithm

Answers

Answer:

is 267 the answer your looking for

Answer:263

Step-by-step explanation:

Start from the ones place and subtract.

The height of a pyramid is doubled, but its length and width are cut in half. What is true about the volume of the new
pyramid?
O The new pyramid has a volume that is the volume of the original pyramid.
1
O The new pyramid has a volume that is
the volume of the original pyramid.
O The new pyramid has the same volume as the volume of the original pyramid.
O The new pyramid has a volum that is 2 times the volume of the original pyramid.
Submit

Answers

The new pyramid has a volume that is 2 times the volume of the original pyramid .

Given,

The new pyramid has a volume that is 2 times the volume of the original pyramid.

The volume of a rectangular pyramid is given by:

V = l × b × h

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

Now,

l'=l/2

b'=b/2

h'=2h

V' = Volume of new pyramid

= l' × b' × h'

= l/2×b/2×2h

= lbh/2

=V/2

Hence, Volume of new pyramid=2×Volume of old pyramid .

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What is the weighted average rate of return for the following investment portfolio?

Retirement fund: 50% (6% annual interest)

Stocks: 20% (7% annual interest)

Bonds: 30% (5% annual interest)

A. 6.9%

B. 7.0%

C. 5.0%

D. 5.9%

Answers

Answer:

D. 5.9%

Step-by-step explanation:

I took the quiz and got it wrong but it did reveal the right answer.

factorise x^2 - 3x + 2​

Answers

(X-2)(x-1) is the equation factored

Answer:

(x - 1)(x - 2)

Step-by-step explanation:

x² - 3x + 2

x² - x - 2x + 2

x(x - 1) - 2(x - 1)

(x - 1)(x - 2)

-TheUnknownScientist

What is the distance between point T (-5,1) and point I (-1,1)

Answers

The distance between point T (-5, 1) and point I (-1, 1) is 4 units.

To find the distance between two points, we can use the distance formula, which is derived from the Pythagorean theorem. The formula is:

Distance = √((x2 - x1)² + (y2 - y1)²)

Let's apply this formula to find the distance between point T (-5, 1) and point I (-1, 1):

x1 = -5, y1 = 1 (coordinates of point T)

x2 = -1, y2 = 1 (coordinates of point I)

Plugging these values into the formula, we have:

Distance = √((-1 - (-5))² + (1 - 1)²)

        = √(4² + 0²)

        = √(16 + 0)

        = √16

        = 4

Therefore, the distance between point T (-5, 1) and point I (-1, 1) is 4 units.

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A man wants to mesure the height of a nearby building. He places a 7ft pole in the shadow of the building so that the shadow of the pole is exactly covered by the shadow of the building. The total length of the building’s shadow is 162ft, the pole casts a shadow that is 5.5ft long. How tall is the building? Round your answer to the nearest foot.

Answers

The height of the building is approximately 227 feet.

In the given question, a man wants to measure the height of a nearby building. He places a 7 ft pole in the shadow of the building so that the shadow of the pole is exactly covered by the shadow of the building.

The total length of the building's shadow is 162 ft, and the pole casts a shadow that is 5.5 ft long. We have to determine the height of the building.The given situation can be explained with the help of a diagram.

As shown in the figure above, let AB be the building and CD be the 7 ft pole. The height of the building is represented by the line segment AE, which is to be determined. Let the length of the shadow of the pole be CD and that of the building be BD.

Therefore, the length of the total shadow will be BC or CD + BD.According to the question, the shadow of the pole is exactly covered by the shadow of the building. This implies that the two triangles AEF and CDF are similar. Hence, the corresponding sides are proportional. Therefore, we have:AE/EF = CD/DF

On substituting the values from the given data, we get:

AE/(EF + 5.5) = 7/5.5.... (1)

Similarly, we can write from the given data:

BD/DF = 162/5.5.... (2)

From equations (1) and (2), we can write:

AE/(EF + 5.5) = BD/DF => AE/(EF + 5.5) = 162/5.5.... (3)

On solving the above equation for AE, we get:

AE = (7/5.5) × (162/5.5 - 5.5)≈ 226.6 ft

Therefore, the height of the building is approximately 227 feet.

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A map shows the vertices of a campsite are (25,10), (25,-5), (-5,-5), and (-5,10). The vertices of your tent are (0,-3), (0,6), (10,6), and (10,-3). The coordinates are measured in feet. What percent of the campsite is not covered by your tent?

Answers

The percent of the area that is not covered is 80 percent

How to calculate the area that is not covered

In mathematics area is defined as the absolute or total space that an object or shape occupies. It is usually measured using centimeters, cm ² square or the use of meter square m ².

area of tent

= (10 - 0) * (6 - (-3))

= 90

The area of the campsite would be:

(25 - (-5) x (10 - (-5))

= 450

Then the area would be 450 - 90

= 360

the percentage that is not covered by tent = 360 / 450 x 100

= 80 percent

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n applicant receives a job offer from two different companies. Offer A is a starting salary of $58,000 and a 3% increase for 5 years. Offer B is a starting salary of $56,000 and an increase of $3,000 per year.

Part A: Determine whether offer A can be represented by an arithmetic or geometric series and write the equation for An that represents the total salary received after n years. Justify your reasoning mathematically. (3 points)

Part B: Determine whether offer B can be represented by an arithmetic or geometric series and write the equation for Bn that represents the total salary received after n years. Justify your reasoning mathematically. (3 points)

Part C: Which offer will provide a greater total income after 5 years? Show all necessary math work. (4 points)

n applicant receives a job offer from two different companies. Offer A is a starting salary of $58,000

Answers

The amount provided by each offer after each year depends on the first

salary and the added amount or percentage series.

Part A: Offer A can be represented by a geometric seriesThe salary received after n years is Aₙ = 58,000·1.03⁽ⁿ ⁻¹⁾

Part B: Offer B can be represented by an arithmetic seriesThe equation for the salary after n years is Bₙ = 58,000 + (n - 1)×3,000

Part C: The offer that will provide a greater income after 5 years is offer B, with an income of $70,000

Reasons:

The given parameters of the job offers are;

Starting salary of offer A = $58,000

Amount by which the salary increases for 5 years = 3%

The starting salary offer B = $56,000

Amount by which the salary increases per year = $3,000

Part A: The salary amount received in the first month = $58,000

The salary in the second month, aₙ = 58,000 × (1 + 0.03)

a₂ = 58,000 × (1 + 0.03) = 58,000 × (1.03)

The salary in the third month is given as follows;

a₃ = a₂ × (1.03) = 58,000 × (1.03) × (1.03) = 58,000 × (1.03)²

The salary on the nth month is therefore;

aₙ = 58,000 × (1.03)⁽ⁿ⁻¹⁾

The above formula is in the form of the geometric series formula, which is presented as follows;

aₙ = a·r⁽ⁿ⁻¹⁾

Where;

a = The first term = 58,000

r = The common ratio = 1.03

n = The number of years

Therefore;

Offer A can be represented by an arithmetic series

Part B: The first year salary for offer B = $58,000

The salary on the second year, B₂ = 58,000 + 3,000 = 61,000

Salary on the third year, B₃ = 58,000 + 3000 + 3000 = 58,000 + 2 × 3,000

Therefore;

Salary on the nth year, Bₙ = 58,000 + (n - 1)×3,000

The above equation is in the form of aₙ = a + (n - 1)·d

Where;

a = The first term = 58,000

n = The number of years

d = The common difference = 3,000

Therefore;

Offer B can be represented by an arithmetic series

Part C: The income gained on offer A after 5 years, a₅, is given as follows;

a₅ = 58,000 × (1.03)⁽⁵ ⁻ ¹⁾ = 58,000 × 1.03⁴ ≈ 65,279.51098

The income gained on offer A after 5 years ≈ $65,279.51098

On offer B, we have;

a₅ = 58,000 + (5 - 1) × 3,000 = 70,000

The income gained on offer B after 5 years = $70,000

Therefore;

After 5 years, the income offered by offer B is greater than the income offered by offer A.

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Simplify

The following equations

SimplifyThe following equations

Answers

Answer:

Step-by-step explanation:

SimplifyThe following equations

Answer:

a) 6ab

b) c^6

c) 10y^7

d) 12g^4h^5

Step-by-step explanation:

a) 3 × a × 2 × b = 3 × 2 × a × b = 6ab

b) c^5 × c = c^(5 + 1) = c^6

c) 2y^4 × 5y^3 = 2 × 5 × y^4 × y^3 = 10y^(4 + 3) = 10y^7

d) 3gh^2 × 4g^3h^3 = 12g^4h^5

Find the perimeter of this shape

Find the perimeter of this shape

Answers

The perimeter of the given shape as represented in the task content is; 29 cm.

What is the perimeter of the given shape?

It follows from the task content that the perimeter of the given shape on the centimeter grid as required is to be determined.

Since each grid line has 1cm as it's length;

The perimeter of the shape is the sum of all side lengths of the shape;

Perimeter, P = 6+2+3+2+2+1+3+2+2+2+2+1

P = 29 cm

Hence, the perimeter of the shape is; 29 cm.

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YALL PLS HELP ME ITS MY HW

How do you determine the value of the unknown exponent in the
equation 9,700 divided by 10 to the power of what equals 0.97?

YALL PLS HELP ME ITS MY HW How do you determine the value of the unknown exponent in theequation 9,700

Answers

Answer:

?=4

Step-by-step explanation:

First, we have to tell how we got from 9700 to 0.97. so we know that it is divided by 10^?. When you divide by 10, it is the same as moving the decimal point one space to the left. SO all you have to do is count how many times the decimal point got moved to get from 9700 to 0.97. This number is 4 so the question mark is 4 because 9700/10^4 will move the decimal place 4 to the right and give you 0.97.

provide at least one reason why you did not use the ruler to measure the field of view on medium- and high-power lenses.

Answers

a ruler is not the best tool to use to measure the field of view on medium- and high-power lenses.

Using a ruler to measure the field of view on medium- and high-power lenses would be difficult and inaccurate. This is because the magnification of the lenses changes the field of view, so a ruler would not be able to measure the field of view accurately at different magnifications. Additionally, a ruler is too small to measure the field of view accurately since it is usually measured in degrees. Therefore, Using a ruler to measure the field of view on medium- and high-power lenses is difficult and inaccurate. This is because the magnification of the lenses changes the field of view, and a ruler is not designed to measure this change. A ruler is also too small to measure the field of view accurately since it is usually measured in degrees. Therefore, using a ruler is not the most reliable tool for measuring field of view on medium- and high-power lenses. Instead, it is better to use a protractor or other specialized tools to accurately measure the field of view. Additionally, it is important to remember that the field of view changes with magnification and should be checked at different magnifications to get the most accurate measurement.

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HELPPOPP PLEASEEE!!!!!!!!!!!!

HELPPOPP PLEASEEE!!!!!!!!!!!!

Answers

Answer:

$ 100 is saved by paying the total amount at the time of purchase

Step-by-step explanation:

its Originally 800 but You put down 200 leaving it At 600 But 50 time 10 is 500 plus 200 more Because you pay 200 more for the last 4 months So 500 plus 200 is 700 plus the 200 you put down And it would be 900 instead of 800

What is the value of the expression 25 ÷ 5 + (6 x 2) − 4?

7

9

12

13

Answers

Answer: 13

Step-by-step explanation:

Answer:

Hey Dude....

Step-by-step explanation:

This is ur answer.....

25 ÷ 5 + (6 x 2) − 4= 5 + 12 - 4= 5 + 8 = 13

Hope it helps!

Brainliest pls!

Follow me! :)

Slips of paper are numbered 1 through 10. If one slip is drawn and replaced 40 times, how many times should the slip with number 10 appear?

Answers

Hey there!

We have 10 pieces of paper. The probability of drawing a 10 is 1/10.  Therefore, if we were to draw ten times, the ten should probably be drawn once. If we multiplied our number of drawings by four (10*4=40), our outcome of seeing our slip with the ten should also quadruple and become four times. (1*4=4)

I hope that this helps! Have an awesome day!

Find two consecutive even integers whose sum is 90?

Answers

Yeah I’m gonna start answering it tomorrow but we are having dinner with the family have a fantastic weekend papa bless peace and love to all

(x+5)(x-2) please solve this equation fast

Answers

Answer:

\( \large \bf \implies{ {x}^{2} + 3x - 10}\)

Step-by-step explanation:

\((x + 5)(x - 2)\)

Step 1) : Using the identity

\( \bf \longrightarrow{(x+a)(x+b) = x² + (a+b)x + ab}\)

Step 2) : Simplify it with using the identity told earlier in step 1) .

\( \bf \longrightarrow(x + 5)(x - 2) \\ \\ \bf \longrightarrow{x}^{2} + (5 + ( - 2))x + (5)( - 2) \\ \\\bf \longrightarrow {x}^{2} + (5 - 2)x + ( - 10) \\ \\\bf \longrightarrow {x}^{2} +3x - 10\)

Step 3) : We have got the answer in step 2) .

\( \large\bf \longrightarrow { {x}^{2} + 3x - 10}\)

The scatter plot shows the number of perishable and nonperishable items customers purchased at a market.

Question 1
How many people bought 5 nonperishable items?

Enter your answer in the box.


Question 2
What is the median number of perishable items purchased?

Enter your answer in the box.


Question 3
How many people bought the same number of perishable and nonperishable items?

Enter your answer in the box.

The scatter plot shows the number of perishable and nonperishable items customers purchased at a market.Question

Answers

Based on the scatter plot on perishable and nonperishable items purchased by customers, the following is true:

Purchased 5 nonperishable items - 3 people.Median number of perishable items = 7 perishable items. People bought same number of perishable and nonperishable = 2 people. What does the scatterplot show?

Looking at the y-axis which shows the number of nonperishable items bought, the number of dots we find at 5 is 3 which means 3 people bought 5 nonperishable items.

The median of perishable items requires that we order the perishable items bought:

2, 2, 5, 6, 7, 8, 9, 10, 11

The median is 7 perishable items.

The number of people with the same number of perishable and nonperishables are 2 people.

One purchased 8 nonperishables and 8 perishables and the other purchased 9 of both items.

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A box has 6 blue socks and 4 white socks. find the number of ways 2 socks can be drawn from the box where
a) There are no restriction
b) They are different colours
c) They are the same colours​

Answers

The number of ways to draw the socks in each case is given as follows:

a) 90 ways.

b) 48 ways.

c) 42 ways.

What is the Fundamental Counting Theorem?

The Fundamental Counting Theorem states that if there are m ways for one trial and n ways for another trial, then there are m x n ways in which the two trials can happen simultaneously.

This can be extended to more than two trials, where the number of ways in which all the trials can happen simultaneously is the product of the number of outcomes of each individual trial, according to the equation presented as follows:

\(N = n_1 \times n_2 \times \cdots \times n_n\)

For item a, we have that there are no restrictions, hence there are 10 options for the first sock and 9 for the second, hence:

10 x 9 = 90.

For item b, we need one of each, hence the possible combinations are:

One of six(blue) and then one of four(white).One of four(white) and then one of six(blue).

Hence:

6 x 4 + 4 x 6 = 48.

For item c, we can take 6 then five(two blue) or 4 then 3(two white), hence:

6 x 5 + 4 x 3 = 42.

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the answer is c i took the test

the perimeter of a semicircle protractor is 14.8cm,find it's radius​

Answers

The radius of the semicircle protractor is approximately 4.693 cm.

Given,Perimeter of a semicircle protractor = 14.8 cm.

To find:The radius of a semicircle protractor.Solution:We know that the perimeter of a semicircle protractor is the sum of the straight edge of a protractor and half of the circumference of the circle whose radius is the radius of the protractor.

Circumference of a circle = 2πrWhere, r is the radius of the circle.If the radius of the semicircle protractor is r, then Perimeter of a semicircle protractor = r + πr [∵ half of the circumference of a circle =\((1/2) × 2πr = πr]14.8 = r + πr14.8 = r(1 + π) r = 14.8 / (1 + π)r ≈ 4.693\) cm.

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Find the distance from the point N (3,5) to the graph of -2x + 3y + 3 = 0

Answers

Answer:

3.33

Step-by-step explanation:

1st get the line in point slope form (y = mx + b)

-2X + 3y + 3 = 0

3y = 2x - 3

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

y = (2/3)x - 1   (slope = 2/3 and y-intercept is -1)

The distance from a point to a line is line segment starting at the point and perpendicular (shortest distance) to 1st line. A line perpendicular to the 1st line will have a negative inverse slope. So the line created in point slope form will look like

y = mx + b

y = (-3/2)x + b and using the given point (3,5)

5 = (-3/2)3 + b

5 - (-3/2)3 = b

5 + 9/2 = b

b = 19/2   So it's equation is

y = (-3/2)x + 19/2

At the point where the segment intersects the 1st line, that point must solve both equations, so we can set the equation equal to each other (both y's and both x's same).

(2/3)x -1 = (-3/2)x + 19/2

(2/3)x - (-3/2)x = 1 + 19/2

(2/3 + 3/2)x = 21/2

x = (21/2) / (2/3 + 3/2) = 4.846, now plug that into the 1st equation to get y

y = (2/3)x - 1

y = (2/3)4.846 - 1

y = 2.231 so the intersection point is (4.846,2.231) from (3,5).

Because of the pythagorean theorem (the two points form a right triangle) the distance will be

C**2 = A**2 + B**2

        = (4.846 - 3)**2 + (2.231 - 5)**2

        = 1.846**2 + (2.769)**2

   C     = 3.33

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