A rectangular prism is 38 centimeters long, 18 centimeters wide, and 13 centimeters high. What is the surface area of the rectangular prism?'

Answers

Answer 1

Answer:

53,352 cm

Step-by-step explanation:

1. The first step is to draw the rectangle draw one rectangle over the other and start labeling the sides.

2. After labeling use the rectangle prism formula: L times W times H in this case it would be 38 times 18 times 13 this is equal to 8,892.

3. From there, we know that there are six sides so we can multiply this value by 6 so it would be 8,892 times 6 = 53,352 cm.


If I made a mistake or if have any questions feel free to tell me!


-Mathematics and Science Major for Middle School Students at Harvard University


Related Questions

At a certain school, 4/7 of the students are boys. Today, 3/7 of the boys brought their lunch. What fraction of the students are boys who brought their lunch today?

Answers

Let's assume that there are 7 students in total. Then, the number of boys is 4, and the number of girls is 3. Out of the 4 boys, 3 brought their lunch. So the fraction of students who are boys and brought their lunch is 3/7.

Una mamá canguro saltó 1/3 de la distancia al lago con su cría dentro de su bolsa. Después saltó las 7,040 yardas restantes sin su cría. ¿Cuántas millas saltó la mamá canguro hasta el lago?

Answers

La madre canguro saltó una distancia total de 6 millas para llegar al lago.  .

When an 18-sided, regular polygon is rotated about its center, at which angle of rotation will the image of the polygon coincide with the preimage?

Answer choices:

A) 24 degrees
B) 10 degrees
C)20 degrees
D) 18 degrees

Answers

B 10 degress becaus wit 18 sided

What is the volume of a sphere with a radius of 31.6 cm, rounded to the nearest tenth of a cubic centimeter?

Answers

Answer:

  132175.2 cm³

Step-by-step explanation:

You want the volume of a sphere with radius 31.6 cm.

Volume

The volume of a sphere is given by the formula ...

  V = 4/3πr³

Application

For a radius of 31.6 cm, we find the volume to be ...

  V = 4/3π(31.6 cm)³ ≈ 132,175.2 cm³

The volume of the sphere is about 132,175.2 cm³.

y=-2(x+3)^2-4 Explain how you know it is non-invertible.

Answers

The function is invertible and the inverse of the function is y = -3 + √[ (x + 4)/-2]

Calculating the inverse of the function

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

y=-2(x+3)^2-4

Swap the variables x and y

So, we have

x = -2(y + 3)^2 - 4

Add 4 to both sides

-2(y + 3)^2 = x + 4

Divide both sides by -2

(y + 3)^2 = (x + 4)/-2

Take the square root and subtract 3 from both sides

y = -3 + √[ (x + 4)/-2]

This represents the inverse of the function

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A box has 1 red marble, 3 blue marbles, and 4 green marbles. Maya draws a blue marble randomly from the box, replaces it, and then draws another marble randomly. What is the probability of drawing 2 blue marbles in a row? Explain your answer. (10 points)
PLEASE ANSWER FAST

Answers

The probability of drawing 2 blue marbles in a row is 9/64

What is the probability of drawing 2 blue marbles in a row

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

Marbles = 1 + 3 + 4 = 8

Blue = 3

Selecting the first marble we have

P(Blue) = 3/8

The marble is returned

So, we have the probablility of the second to be

P(Blue) = 3/8

The probability of drawing two blue marbles is

P = 3/8 * 3/8

Evaluate

P = 9/64

Hence, the probability is 9/64

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Answer:

Since the first blue marble is replaced before the second draw, the probability of drawing a blue marble on the second draw is still 3/8, the same as the probability of drawing a blue marble on the first draw.

To find the probability of both events occurring, we can multiply the probabilities of each event:

P(drawing two blue marbles in a row) = P(drawing a blue marble on first draw) x P(drawing a blue marble on second draw)

P(drawing two blue marbles in a row) = (3/8) x (3/8)

P(drawing two blue marbles in a row) = 9/64

Therefore, the probability of drawing two blue marbles in a row is 9/64.

Step-by-step explanation:

CAN SOMEONE HELP WITH THIS QUESTION?

Answers

The numeric value of f(x) at x = π/5 is given as follows:

f(π/5) = - 2π/5 - 2

How to obtain the function?

We are given the second derivative of the function, as follows:

f''(x) = -25sin(5x).

As we have the second derivative of the function, the function itself is obtaining integrating the second derivative twice.

Using integral by substitution, the first derivative is given as follows:

f'(x) = 5cos(5x) + K1

In which K1 is the constant.

When x = 0, f'(0) = 3, hence the value of K1 is obtained as follows:

3 = 5 + K1

K1 = -2.

Hence:

f'(x) = 5cos(5x) - 2.

Integrating again, the function is given as follows:

f(x) = 5sin(5x) - 2x + K2.

When x = 0, y = -2, hence the constant K2 is obtained as follows:

K2 = -2.

Thus the function is:

f(x) = 5sin(5x) - 2x - 2.

The numeric value of the function at x = π/5 is obtained as follows:

f(π/5) = 5sin(5(π/5)) - 2(π/5) - 2.

f(π/5) = 5sin(π) - 2π/5 - 2

f(π/5) = - 2π/5 - 2 -> as sin(π) = 0.

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9 divided by 11.91 rounded to the nearest hundredth

Answers

9 divided by 11.91 rounded to the nearest hundredth is: 0.76

How to divide numbers?

To show that two numbers are divided, we can add a division sign '÷' between them. So, for example, if we have to show 36 divided by 6, we can write it as 36 ÷ 6. We can also show it in a fraction form as 36/6.

We want to find 9 divided by 11.91 . Thus, this can be expressed as:

9/11.91

where:

9 is the dividend

11.91 is the divisor

Using calculator, we have:

9/11.91 = 0.76

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CAN SOMEONE HELP WITH THIS QUESTION?✨

Answers

1. The Height of the stone after 5s is 490feet

2. The time it will reach the ground 8.98s

3. The velocity of the stone when it hits the ground is 287.33 feet/s

What is motion under gravity?

Motion under gravity refers to the movement of an object whose vertical motion is affected by the presence of gravity.

The equation of motion under gravity is given as;

H = ut ± 1/2gt²

v² = u²±2gh

v = u ± gt

1. The height = 18 × 5 -1/2 ( -32) 5²

h = 90+ 400

h = 490 feet

2. The time to reach the ground is calculated as;

h = ut + 1/2gt²

at max height u = 0

total height = 490+800

= 1290m

1290 = 1/2 × 32t²

2580 = 32t²

t² = 80.6

t = √80.6

t = 8.98s

3. The velocity when it reach the ground is

v² = u²+ 2gh

v² = 2× 32 × 1290

v ² = 82560

v = √82560

v = 287.33feet/s

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The graph of f is translated a whole number of units horizontally and vertically to obtain the graph of h
The function f is defined by f(x) = square root of x
Write down the expression for h(x).

Answers

The expression for h(x) is,

⇒  h (x) = √(x - 2) + 4

Now, Given that;

Initially the graph f (x) is shifted horizontally to the right.

When the graph shifts to right the function then becomes

f (x) → f (x-b)

Where b is the units by which it is shifted towards right .

So, in the figure we can see that it is shifted 2 units to the right .

So, f(x) → f(x-2)

Since f(x) is,

⇒ f (x) = √x

So, f (x-2) = √x - 2

Now, the new obtained graph is again shifted vertically upward

When the graphs shifts upward;

⇒ f(x) → f(x) + b

where b is the units by which it is shifted upward

So, our obtained f(x-2) when shifted upward by 4 units so using the above given transformation of upward shift

i.e. f(x) → f(x) + b

So, Our new graph h(x) = f(x-2) + 4

⇒  h (x) = √(x - 2) + 4

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A 53.7 square foot roll of Country paper towels costs $1.49. An 80.6 square foot roll of the same paper towels costs $1.89 on sale. Which is less expensive per square foot, the small or large roll?

Answers

Answer:

The 80.6 square foot roll is less expensive per square foot since it costs $0.03/square foot compared to the other which costs $0.02/square foot

Step-by-step explanation:

Because the question asks which of the two paper towel rolls is less expensive per square foot, we must find the unit rate of both rolls (specifically, cost per 1 square foot)

We can find the unit rate using a proportion:

53.7 square foot roll

[tex]\frac{1.49}{53.7}=\frac{x}{1} \\1.49=53.7x\\0.0277=x\\0.03=x[/tex]

80.6 square foot roll

[tex]\frac{1.89}{80.6}=\frac{x}{1} \\1.89=80.6x\\0.0234=x\\0.02=x[/tex]

Thus, per square foot, the 80.6 square foot roll is less expensive than the 53.7 square foot roll

Y = x2 - 1 linear or nine linear

Answers

Answer:non linear

Step-by-step explanation: since the exponent is greater than 1

The bearing of a plane form an airport is 065 degrees. Calculate the bearing for the airport form the plane.

Answers

The bearing of the airport from the plane is 245°

The bearing of a point from a location is given by the angle in degrees of rotation from the Northern direction of the location to the direction of the location of the point

The given bearing of the plane from the airport = 65°

Therefore, the direction of the plane from the Northern direction of the airport = 65°

From the Northern direction of the plane, the bearing of the airport = 245°

Hence, the bearing of the airport from the plane is 245°

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A rectangular prism has a 10-inch by 2-inch base and a surface area of 424 square inches. What is the volume of a column of 8 rectangular prisms with these dimensions, stacked base-to-base?

Answers

The volume of 8 rectangular prism stacked base to base is 2560 in³.

What is volume?

Volume is a measure of three-dimensional space.

To calculate the volume of 8 rectangular prism stacked base to base, we use the formula below

Formula:

V = 8lwh.........................................Equation 1

Where:

V = Volume of the 8 rectangular prisml = Length of the base of the prismw = Width of the baseh = Height of the onr prism

From the question,

Given:

l = 10 inw = 2 inh = ?

We find the value of h using the formula for the surface area of a prism

A = 2lw+2lh+2wh.................... Equation 2

Given:

A = 424 in²

Substitute these values into equation 2

424 = 2(10×2)+2(10h)+2(2h)424 = 40+20h+4h424 = 40+24h24h = 424-4024h = 384h = 384/24h = 16 in

Finally, we subtitute into equation 1

V = 8×10×2×16V = 2560 in³

Hence the volume is 2560 in³.

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Calcula el volumen de un cilindro cuyo diámetro mide 2.5 cm y tiene una altura de 15.5 cm

Answers

The volume of a cylinder whose diameter measures 2.5 cm and has a height of 15.5 cm is equal to 76.10 cubic centimeters.

How to calculate the volume of a cylinder?

In Mathematics and Geometry, the volume of a cylinder can be calculated by using this formula:

Volume of a cylinder, V = πr²h

Where:

V represents the volume of a cylinder.h represents the height of a cylinder.r represents the radius of a cylinder.

Note: Radius = diameter/2 = 2.5/2 = 1.25 cm.

By substituting the parameters, we have:

Volume of cylinder, V = 3.142 × 1.25² × 15.5

Volume of cylinder, V = 76.10 cubic centimeters.

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Complete Question:

Calculate the volume of a cylinder whose diameter measures 2.5 cm and has a height of 15.5 cm.

11. Determine the missing side lengths in each triangle.

Pls help me!

Answers

The value of the missing lengths are;

a. b =  17. 32, c = 20

b. x = 8. 49, y = 8.49

How to determine the values

Note that the different trigonometric identities are;

Tangentsecantsinecosinecotangentcosecant

These identities have their ratios written as;

sin θ = opposite/hypotenuse

cos θ = adjacent/hypotenuse

tan θ = opposite/adjacent

From the diagram shown, we have;

tan 30 = 10/b

cross multiply the values

b = 17. 32

Also, we have;

sin 30 = 10/c

cross multiply the values

c = 20

b. Using the sine identity

sin 45 = x/12

cross multiply the values

x = 8. 49

Also,

cos 45 = y/12

cross multiply

y = 8. 49

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Kenneth, a competitor in cup stacking, claims that his average stacking time is 8.2 seconds. During a practice session, Kenneth has a sample stacking time mean of 7.8 seconds based on 11 trials.

Answers

Answer:

Kenneth's average stacking time is less than 8.2 seconds.

Brainly wouldn't allow me to give an explanation because apparently, it contains inappropriate words..? How odd.

Answer:

The data does not provide sufficient evidence to conclude that Kenneth's mean stacking time is is less than 8.2 seconds

Do not reject the null hypothesis because the p-value 0.0401 is greater than the significance level.

Step-by-step explanation:

Null hypothesis (H0): mu = 8.2 seconds

Alternate hypothesis (Ha): mu < 8.2 seconds

Significance level = 0.04

p-value = 0.0401

Using the p-value approach for testing hypothesis, do not reject H0 because the p-value 0.0401 is greater than the significance level 0.04.

There is not sufficient evidence to conclude that Kenneth's mean stacking time is less than 8.2 seconds.

Help ASAP please see photo





















Answers

The circle with a chord are those that have a line joining two points on the circumferences

What is a chord?

Recall that a chord a chord of a circle is a line segment that joins any two points on the circumference of the circle

From question number 1,  the chords are circles 1, 2 and 5.  This is because each of the circles has a line joining two points

2)  From question 2 all the chords intercepted each other.  This is because an intercept is a point where two straight lines meet. or you can say that An intercept in mathematics is a point on the y-axis through which the slope of a line passes

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The percent of discount is 20% and the sale price is 28 how much is the original price

Answers

Answer:5.6

Step-by-step explanation:

28 divided by 5 is 5.6

Answer: $33.6

Step-by-step explanation: 28(.20) will give us our $5.6 discount. now add that on top of 28.

two rectangular prisms, m and n, are mathematically similar. The volumes of m and n are 17cm^3 and 136cm^3, respectively. The height of N is 18 cm. Find the corresponding height of m.

Answers

The corresponding height of similar rectangular prism m is 9 centimeter.

Given that, the volume of rectangular prism m is 17 cm³ and the volume of rectangular prism n is 136 cm³.

If two solids are similar, then the ratio of their volumes is equal to the cube of the ratio of their corresponding linear measures.

The height of n is 18 cm.

Here, m³/n³ = 17/136

m³/18³ = 17/136

m³/18³ = 17/136

(m/18)³ = 1/8

(m/18)³ = (1/2)³

m/18 = 1/2

m=9 cm

Therefore, the corresponding height of similar rectangular prism m is 9 centimeter.

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3.
Find the arc length of AB.
3 cm
P 64°
A
B
PLEASE SHOW WORK!

Answers

The measure of the arc length AB is [tex]\frac{16\pi }{15}[/tex] centimeters.

What is the measure of the arc length?

An arc length is simply the distance between two points along a section of a curve.

The arc length is expressed as:

s = 2πr × (θ/360°)

Where s is the arc length, r is the radius, θ is the angle and π is constant pi.

Given that:

Radius r = 3cmAngle θ = 64 degreeArc length s = ?

Plug the values into the above formula

s = 2πr × (θ/360°)

s = 2 × π × 3cm × ( 64°/360°)

[tex]s = \frac{16\pi }{15} cm[/tex]

Therefore, the arc length is [tex]\frac{16\pi }{15}[/tex] cm.

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James Abbott McNeill Whistler's Nocturne in Black and Gold: The Falling Rocket (c. 1875) is an example of "art-for-art's sake" of the
________ movement.

Color Field

Aesthetic

Impressionist

Avant-Garde

Answers

Answer:

James Abbott McNeill Whistler's Nocturne in Black and Gold: The Falling Rocket (c. 1875) is an example of "art-for-art's sake" of the Aestheticism movement.

Working her way through school, Liz works two part-time jobs for a total of 28 hours a week. Job A pays $6.00 per hour, and Job B pays $6.60 per hour. How many hours did she work at each job the week that she made $175.80? (Round to two decimal places if necessary.)​

Answers

Answer:

A: 15 hoursB: 13 hours

Step-by-step explanation:

You want to know the number of hours Liz worked at each job, when the total pay for a total of 28 hours work was $175.80. Job A paid $6 per hour, and job B paid $6.60 per hour.

Setup

We can let 'b' represent the number of hours worked at job B. Then (28-b) is the number of hours worked at job A. Liz's total pay was ...

  6(28 -b) +6.60(b) = 175.80

Solution

Simplifying the equation gives ...

  0.60b +168.00 = 175.80

  0.60b = 7.80 . . . . . . . . . . . subtract 168

  b = 13 . . . . . . . . . . . . . . divide by 0.6

  28-b = 28-13 = 15 . . . hours at Job A

Liz worked 15 hours at Job A, and 13 hours at Job B.

__

Additional comment

Here, we used one equation. If you use two equations, you can get this same equation by substituting for the variable representing hours at Job A. Letting the variable represent hours at the higher-paying job generally results in arithmetic using positive numbers. If you write the equation for the hours at Job A, negative numbers will usually be involved. Though it shouldn't, sometimes that causes confusion.

A graphing calculator may offer two or three ways (or more) you use to can solve the equations. One of them is illustrated in the attachment. It solves the equations ...

a + b = 28 . . . . . . . . . . . . equation for total hours6a + 6.6b = 175.8 . . . . . . equation for total pay

There are ten cookies in the cookie jar. Three are Oreos. Two are peanut butter cookies.
Four are chocolate chip cookies. One is a sugar cookie. What fraction of the cookies
are peanut butter cookies?

Answers

The fraction of the cookies that are peanut butter cookies is 1/5

What fraction of the cookies are peanut butter cookies?

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

Total = 10

Peanut butter = 2

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

Fraction = Peanut butter /Total

So, we have

Fraction = 2/10

Evaluate

Fraction = 1/5

Hence, the fraction is 1/5

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Edouard Manet's Luncheon on the Grass was shown in the ___ after it was rejected for the annual salon.



A. World's Fair

B. Impressionist exhibition

C. salon d'automne

D. Osalon des refuses

Answers

Edouard Manet's Luncheon on the Grass was shown in the Salon des Refuses after it was rejected for the annual salon.

Option D is the correct answer.

We have,

Edouard Manet's painting "Luncheon on the Grass" was first rejected by the Paris Salon in 1863, as it was considered scandalous due to the nudity of the female figure in the painting.

In response to this rejection,

Emperor Napoleon III ordered an exhibition to be held for all the rejected paintings, which was known as the Salon des Refusés (Salon of the Refused).

Thus,

Edouard Manet's Luncheon on the Grass was shown in the Salon des Refuses after it was rejected for the annual salon.

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URGENT!! ILL GIVE BRAINLIEST! AND 100 POINTS

Answers

B) gas mileage decreases with increase of car weight.

The answer is B gas mileage decreases

How many edges does a rectangular pyramid net has

Answers

Answer:

rectangular pyramid has 8 edges

NO LINKS!!! URGENT HELP PLEASE!!!

Determine the equation of the circle graphed below.

Answers

Answer:

[tex](x-6)^2+(y+7)^2=4[/tex]

Step-by-step explanation:

The formula for the equation of a circle is:

[tex]\boxed{(x-h)^2+(y-k)^2=r^2}[/tex]

where:

(h, k) is the center.r is the radius.

From inspection of the given graphed circle, we can see that the coordinates of its center are (6, -7), and its radius is 2 units. Therefore:

h = 6k = -7r = 2

To determine the equation of the graphed circle, substitute these values into the equation of a circle formula:

[tex]\implies (x-6)^2+(y-(-7))^2=2^2[/tex]

[tex]\implies (x-6)^2+(y+7)^2=4[/tex]

Therefore, the equation of the graphed circle is:

[tex]\boxed{(x-6)^2+(y+7)^2=4}[/tex]

Solve the system.
x + 7y-z = 49
2x - 5y + 2z = -28
x-6y=-32

Answers

The values of x, y and z in the given simultaneous equation is:

x = 4

y = 6

z = -3

What is the solution to the simultaneous equation?

The 3 simultaneous equations are given as:

x + 7y - z = 49

2x - 5y + 2z = -28

x - 6y=-32

Rearranging the first equation  gives:

x = 49 - 7y + z

2x - 5y + 2z = -28

x - 6y = -32

Substitute 49 - 7y + z into equations 2 and 3 to get:

2(49 - 7y + z) - 5y + 2z = -28

49 - 7y + z - 6y = -32

Convert the equation in terms of u and solving simultaneously gives:

y = 6 and z = -3

Thus:

x = 49 - 7(6) + (-3)

x = 4

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Value of V (quickly please)

Answers

The measure of v is 61 degree.

We have,

Interior angle = (v - 19) or v

Exterior angle = v + 42

Using exterior Angle Property

Exterior angle= Sum of opposite interior angle

v + 42 = v - 19 + v

v + 42 = 2v - 19

v - 2v = -19 - 42

-v = -61

v= 61

Thus, the value of v is 61.

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