8 cm
15 cm
20 cm
What is the surface area of the cuboid?

8 Cm15 Cm20 CmWhat Is The Surface Area Of The Cuboid?

Answers

Answer 1

Answer:

Step-by-step explanation:

remember that the surface area is

S=2lw+2lh+2hw

S=2(15*20)+2(15*8)+2(8*20)=600+240+320=1160 cm^2

Answer 2

The surface area of the cuboid is 1160 square cm whose dimensions are

l= 20cm, w= 8 cm and h = 15 cm.

Given:

Length = 20 cm

width = 8 cm

Height = 15 cm

So, the formula for Surface area of Cuboid is

= 2(lw+ wh + lh)

Substituting the values l= 20cm, w= 8 cm and h = 15 cm into the formula as

= 2(lw+ wh + lh)

= 2 (20 x 15 + 8 x 15 + 8 x 20)

= 2 (300 + 120 + 160)

= 2 (580)

= 1160 square cm

Learn more about Surface area here:

https://brainly.com/question/29298005

#SPJ4


Related Questions

8x – 12y = 48
Find the x-intercept and y-intercept

Answers

Answer:

my answer came out to x = 6 + 1.5y

Step-by-step explanation:

1. 6x+4x−1=2(5x+4)
2. 48x+43=47x+43
3. 2(3x+8)=2x+16+4x
4. 0.4(5x−15)=2.5(x+3)
5. 3(4x+2)=20x−9x+2

Answers

Answer:

1 . -9   =  0

2 .  x = 0

3 . 0  = 0

4 .x = -27

5 .  x = -4

Step-by-step explanation:

20 POINTS
PLEASE HELP!

Find the slope of the line that passes through the pair of points.
(4, –4), (6, –4)

Answers

Answer:

0

Step-by-step explanation:

You need to use formula for slope m= y2-y1/x2-x1
m= -4-(-4)/6-4= 0/2=0
So slope is 0

Identify the best method for solving the given
system of equations. DO NOT SOLVE. Justify your
choice using academic vocabulary.

3x + 2y = 0
x - 5y = 17

Answers

elimination because u could multiply the second equation by -3 which would cancel the x and allow you to solve for y and then everntually x but yea elimination is the best method

What is the volume of this sphere?
Use a 3.14 and round your answer to the nearest hundredth.
5 cm
cubic centimeters

Answers

Answer:

523.33 cm³

Step-by-step explanation:

The volume of a sphere is [tex]\frac{4}{3}[/tex]πr³

[tex]\frac{4}{3}[/tex]π * (5)³

[tex]\frac{4}{3}[/tex]π * 125

523.333 mm³

2. If f(x) = 2(x - 3)2 find f(-8).

Answers

Answer:

-44

Step-by-step explanation:

Please Help! I'll give Brainliest!
Eshaal is creating a model of a pyramid. The model created will need to be scaled up from the blueprint.


If segments DE and AB are parallel, which of the following expressions will help Eshaal determine the length of segment BC?

BC = CE
BC equals AC times CE all over CD
BC equals AC times DE all over CE
BC = AC

Answers

Answer:

See attachment

PS:

Can I have Brainliest?

The correct statement is  BC equals to AC times CE all over CD.

We have, If a line parallel to one side of a triangle intersects the other two sides, then it divides the two sides proportionally. this is known as the triangle proportionality theorem.

Given, DE and AB are parallel

So,   [tex]\frac{BC}{CE} =\frac{AC}{CD}[/tex]

[tex]BC = \frac{AC\times CE}{CD}[/tex]

Therefore in statement form we say that BC equals to AC times CE all over CD.

For more details on proportionality theorem follow the link:

https://brainly.com/question/2078223

Mrs. Taft keeps inventory of the copy paper in the school copier room. Nine weeks ago, there were 150 reams of copy paper in the room. Now, there are 85 reams left. Which of the following two expressions are equivalent to the average weekly change in the number of reams of copy paper in the copier room over this time period?
Choices: -9/65, 9/-65, 65/-9, -65/9 (the negative for this one applies to both numbers.) and -65/-9

Answers

Answer:

-9/65

Step-by-step explanation:

Dany has a business selling bracelets for 7.50 each. She only has enough material to make 5 bracelets. If x represents the number of bracelets sold and y represents the total cost, what is the range for this situation.

Answers

Answer:

The range is [0,37.5]

Step-by-step explanation:

We start by writing the equation that links x and y

From the question;

y = 7.5x

Now, she has enough material to make 5 only

When we talk of range, we are referring to the values on the y-axis

So the lowest y value is 0

and since the highest number of bracelets is 5;

The total cost of the 5 is 7.5(5) = 37.5

So the range is [0,37.5]

A plane travels 3,625.26 miles in 6.9 hours. What is the plane’s unit rate?
Represent this situation with a fraction.

a. Represent this situation using the same units.

b. Estimate the quotient.

c. Express the divisor as a whole number.

d. Use the division algorithm to find the quotient.

e. Use multiplication to check your work

Answers

Answer:

The correct answers are:

a) 3625.26 miles OVER 6.9 miles

b) 36252.6 tenths miles÷ 69 tenths hours

c) 3500 miles over 7 hours = 500 miles over hours

d) 3625.26 miles 10 over 6.9 hours 10 = 36252.6 miles over 69 hours

e) 525.4 miles/h

Step-by-step explanation:

Brainliest please?

Let r = unit rate of the plane

r = (3,625.26 miles)/(6.9 hours)

You now have the correct fraction set up to answer a through e.

Take it from here.

When loaded with bricks, a lorry has a mass of 11600kg. If the mass of the bricks is three times that the mass of the empty lorry, find the mass of the bricks.

Answers

Answer:

8700kg

Step-by-step explanation:

lorry + bricks = 11600kg

bricks = 3(mass of empty lorry)

lorry mass is x

there for bricks = 3x

x+3x = 11600

4x =11600

x= 2900kg

mass of bricks = 3(2900)

=8700kg

CAN SOMEONE PLEAEE HELP ????!!!!!! I will mark Brianliest !!!!!!!!!!!!!!!!!!

Answers

Answer:

I don't know if I'm correct but the answer is 6.

Step-by-step explanation:

I'm not 100% correct, but you set the other two angles to add to each other then set it equal to angle QRS and i got x=6.

Your equation should be like this: 3x + 17 + 2x +21 = 10x -1

than you solve form there

I;m not sure that this is the correct answer and maybe i'm wrong, but hope this helps

Answer:

59°

Step-by-step explanation:

According to the given description, [tex] \angle QRS[/tex] is the exterior angle of [tex] \triangle PQR[/tex]

So, by exterior angle property of a triangle, we have:

[tex] m\angle QRS=m\angle RPQ+m\angle PQR\\\\

(10x - 1)\degree = (3x +17)\degree+(2x +12)\degree\\\\

(10x - 1)\degree = (3x +17+2x +12)\degree\\\\

(10x - 1)\degree = (5x +29)\degree\\\\

(10x - 1)= (5x +29)\\\\

10x - 5x = 29 + 1\\\\

5x = 30\\\\

x = \frac{30}{5}\\\\

x = 6\\\\

\because m\angle QRS = (10x - 1)\degree \\\\

\therefore m\angle QRS = (10\times 6- 1)\degree \\\\

\therefore m\angle QRS = (60- 1)\degree \\\\

\huge\orange{\boxed{\therefore m\angle QRS = 59\degree }}\\

[/tex]

Nick bought jeans for $34.95 and a shirt for $24.95. The cashier said the total cost including 8.5% sales tax was $68.40. Below are the steps the cashier completed: Step 1: 34.95 + 24.95 = 59.90 Step 2: 59.90 + 8.50 = 68.40 Are the cashier's steps correct? If not, explain the error and then state in complete sentences how to calculate sales tax and total cost correctly. Make sure you give the correct total. (Round the final answer to the nearest hundredth

Answers

Answer:

The cashier is wrong

[tex]Amount = 64.99[/tex]

Step-by-step explanation:

Given

[tex]Jeans=34.95[/tex]

[tex]Shirt = 24.95[/tex]

[tex]Sales\ Tax = 8.5\%[/tex]

Solving (a): Is the Cashier's step correct?

The cashier is wrong at step 2 because instead of calculating the sales tax, the cashier add the sales tax percentage to the total cost.

Solving (b):

First, calculate the total cost by adding the cost of jeans and shirt respectively:

[tex]Total = 34.95 + 24.95[/tex]

[tex]Total = 59.90[/tex]

Next, multiply the sales tax percentage to the total cost to get the sales tax amount.

[tex]Sales\ Tax = 8.50\% * 59.90[/tex]

[tex]Sales\ Tax = 5.0915[/tex]

Add the sales tax to the total, this gives the total payable amount.

[tex]Amount = 59.90 + 5.0915[/tex]

[tex]Amount = 64.9915[/tex]

[tex]Amount = 64.99[/tex] approximated

I will mark brainlist and 5 stars. Help please :))

Answers

Answer:

the answer to that question is D

Answer:

its C

Step-by-step explanation:

PLEASE HURRY I WILL MARK BRAINLIEST
A triangle with an area of 646 m2 has a height of 68 m. What is the length of the base of the triangle?
Base = __________

Answers

Answer:

9.5m

Step-by-step explanation:

646÷ 68 = 9.5 m

area ÷ height = base of triangle

Suppose that three out of five voters support a candidate. If 1,240 voters support the candidate, how many voters participated in the election in all? Round your answer to the nearest whole number.

Answers

Answer:

2067 voters

Step-by-step explanation:

Suppose that three out of five voters support a candidate.

This means 3/5 votes support a candidate

Let the total number rod candidates be represented as x

If 1,240 voters support the candidate,

how many voters participated in the election in all?

Hence,

3/5 of x = 1240 voters.

3/5 × x = 1240

3x /5 = 1240

Cross Multiply

3x = 1240 × 5

x = 1240 × 5/3

x = 2066.6666667 voters

Approximately to the nearest whole number:

2067 voters

may someone plz answer this​

Answers

Answer:

At least 2 weeks

Step-by-step explanation: You divide until you reach 200

write a linear function with f with f (5) = -1 and f (0) = -5

Answers

Answer:

5y = 4x-25

Step-by-step explanation:

Let f(x) be regarded as y

So we have two points

(5,-1) and (0,-5)

We start by finding the slope of the line connecting the two points

m = y2-y1/x2-x1

m = -5+1/0-5 = -4/-5 = 4/5

The general equation of a straight line is;

y = mx + b

where m

is slope and b is the y-intercept

we already have the slope as 4/5

So;

y = 4x/5 + b

To get b, substitute one of the points

Let us use (0,-5)

-5 = 4(0)/5 + b

so b = -5

The equation is;

y = 4x/5 - 5

Multiply through by 5

5y = 4x - 25

The lunch special at a diner offers you a choice of 5 sandwiches, 2 salads, 3 soups, 6 drinks, and 2 desserts. How many different meals are possible if you choose one item from each category?

Answers

Answer:

360

Step-by-step explanation:

there are 360 different meal combos possible if you choose 1 of each because 5×2×3×6×2 is 360

The longest leg of a right triangle is 12 inches. The hypotenuse is 3 inches longer then twice the shortest leg. How long is the shortest leg and the hypotenuse of the triangle.

Answers

Answer:

Shortest Leg: 5 inches, Hypotenuse: 13 inches

Step-by-step explanation:

A right triangle follows the pythagorean theorem, a^2+b^2=c^2. C is the hypotenus. A combination found using this is 5, 12, and 13. To double check this, we know that the hypotenus is 2x+3, where x is the smallest leg.

Can you help me with question 4 pls

Answers

Angle 2 = 41° because angle 4 is 41°. Angle 2 and angle 4 are vertical angles which means they are equal. Angle 2 = Angle 4

Ramon places a mirror on the ground 45 ft from the base of a geyser. He walks backwards until he can see the top of the geyser in the middle of the mirror. at that point, Ramon eyes are 6 ft above the ground and he is 7.5 ft from the mirror. Use similar triangles to find the geyser

Answers

Answer:

36 ft

Step-by-step explanation:

6/x=7.5/45

270=7.5x

x=36

In this exercise we have to have knowledge of triangles, so we can use the theory of similar triangles to find the value of X, like:

[tex]36 ft[/tex]

To use similar triangle theory, we have to make a rule of 3, that is:

[tex]6/x=7.5/45\\270=7.5x\\x=36[/tex]

See more about triangles at brainly.com/question/10951564

Can you please help
Plzzzzzz

Answers

a fraction is a numerator over a denominator
a mixed number is a whole number and a fraction
an improper fraction is when the numerator is greater than the denominator

Mass = 10 g

Density = Mass/volume

Volume of a cube = (side length)3

Now that you have the side length, determine the volume. Then use the density formula to calculate the density of the material. Record your observations by selecting the data table icon.

You may use a calculator for this section.

Measurement1.7 cm



FIRST ANSWER GETS BRAINLIEST

Answers

Answer:Hello! Here we have a cube, with a mass of 10g and a side length of 2.5cm.

First we want to determine the volume.

The volume of a cube, is equal to his cubic side length, where  L is the side length:

So  

So the volume of the cube is 15.625 cubic centimeters.

Now we want to calculate te density of the material, as you know:

This means that the density is 0.64 grams per cubic centimeter.

Step-by-step explanation:

Answer:

2

Step-by-step explanation:

1. Determine the value: V=L^3

so, (1.7)^3= 4.913

2. Calculate the density: mass divided by volume

10 divided by 4.913= 2.0

Answer: 2

What is the answer??

Answers

Answer:

letter C is the right answer

I believe it’s C I don’t know if i’m right tho gudluk haha

At an end- of-season sale, a kid's pool was on sale for $168 . A sign advertised that this was 20% off the original price. What was the original price?

Answers

Answer: $134.40

Step-by-step explanation: Just find 80% of 168. That is because 100 - 20 is 80. The question says 20% OFF.

Hi!,
The person who answered above made a mistake and went the wrong way.

Since the pool is already 20% off the price stated is only 80% (100-20=80) of the original price.

So, divide amount by 80.
168/80 = 2.10

Then multiply by 100 to find 100% price
2.10 x 100 = 210

Answer is $210

solve each system of equation by elimination
{y=-x+1
{y= 4x-14

Answers

Answer:

(3, -2)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Algebra I

Solving systems of equations using substitution/elimination

Step-by-step explanation:

Step 1: Define Systems

y = -x + 1

y = 4x - 14

Step 2: Rewrite Systems

y = 4x - 14

Multiply everything by -1:                    -y = -4x + 14

Step 3: Redefine Systems

y = -x + 1

-y = -4x + 14

Step 4: Solve for x

Elimination

Combine equations:                    0 = -5x + 15Isolate x term:                               -15 = -5xIsolate x:                                       3 = xRewrite:                                        x = 3

Step 5: Check

Define equation:                    y = -x + 1Substitute in x:                       y = -3 + 1Add:                                        y = -2

Im really bad at negative numbers someone please help!
Order [-25] [18] [-1] [26] from greatest to least.
The correct order is.....

Answers

Answer:

26, 18, -1, -25

Step-by-step explanation:

for easier understanding just draw a number line with integers for easier clarification.

... -5, -4, -3, -2, -1, 0, 1, 2 , 3 , 4 ...

26,18,-1,-25 is the answer from greater to least

Stacy is sending packages of candy to troops that are stationed overseas. Each package weighs the same amount, and each costs $13.87 to ship. She sends 3 packages in all. If Stacy gives the postal worker $45.00, how much change should she receive?

Answers

Answer:

$ 3.39

Step-by-step explanation:

X = 45 - (13.87*3)

x = 45 - 41.61

x = 3.39

Mrs. stone is three times older than her younger daughter, Joyce, but only two times older than her older daughter, Alex. how old is Mrs. stone now, if 9 years ago Alex was two times older than Joyce?

Answers

Answer:

54

Step-by-step explanation:

RSM homework lol

made equation, then solved it.

hope this helps!

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Function f is an exponential function. It predicts the value of a famous sculpture, in thousands of dollars, as a function of the number of years since it was last purchased.What equation models this function?Enter your answer in the box.f(x)= What is the answer?? Why do governments grow more complex as communities grow larger?O people grow bored with the older systems of governmentthe use of irrigation techniques varies from place to placebecause the empire becomes too wealthyhaving more people brings more problems What name was given to those northerners who came south during the reconstruction era? What is the value of x?2x x + 3 = 12 The three people who meet at the pawnshop are employees of Scrooge TrueFalse Which statement best completes the diagram? The longest leg of a right triangle is 12 inches. The hypotenuse is 3 inches longer then twice the shortest leg. How long is the shortest leg and the hypotenuse of the triangle. PLEASE HURRY I WILL MARK BRAINLIESTA triangle with an area of 646 m2 has a height of 68 m. What is the length of the base of the triangle?Base = __________ CUALES FUERON LAS CIRCUNSTANCIAS HISTRICAS Y SOCIALES EN LAS CUALES SE CRE LA CONSERVA? Mrs. Taft keeps inventory of the copy paper in the school copier room. Nine weeks ago, there were 150 reams of copy paper in the room. Now, there are 85 reams left. Which of the following two expressions are equivalent to the average weekly change in the number of reams of copy paper in the copier room over this time period?Choices: -9/65, 9/-65, 65/-9, -65/9 (the negative for this one applies to both numbers.) and -65/-9 I have to write an essay on how culture influences your idea home Which statement accurately explains the process of gene expression? A DNA is transcribed into RNA, which is translated into protein. B Protein is translated into RNA, which is transcribed into DNA. C RNA is transcribed into protein, which is translated into DNA. D RNA is translated into DNA, which is transcribed into protein. What organic product would you expect from the reaction of ethylmagnesium bromide (CH3CH2MgBr) with H2O. What is a new option in PowerPoint 2016 that provides the ability to add multiple pictures into a slide, complete with transitions and captions?Screenshot featurePhoto Album featureOnline Pictures commandFormat command Did All Europeans like the Treaty of Versailles why or why not? How is having the power of veto an example of checks and balances? *It allows an individual the abiilty to participate in government. It allows the consuls to block laws they believe do not serve their personal interests.It allows the senate to control Rome's finances.It helps prevent one body of government from being too powerful After statehood, all of the following led to the growth and development of Texas EXCEPT:a.Funds became available to improve roads and bridges.b.Americans from other parts of the country moved to Texas because they felt their rights would still be protected when they moved.c.The telegraph, newspapers, and the U.S. mail system improved communication.d.Major railroad lines helped connect settlements throughout the state.Please select the best answer from the choices providedABCD what factors brought the great depression? A company has net income of $225,000 and declares and pays dividends in the amount of $75,000. What is the net impact on retained earnings