What is the surface area of a mattress that is 12
feet long, 10 feet wide, and 2 feet high?

Answers

Answer 1

Answer: length + width + height

Step-by-step explanation:

12 + 10 = 22

22 + 2 = 24

ANSWER = 24


Related Questions

(13.01 LC) What is the value of the expression 7 +(16 - 7) = 3 + 8? (2 points) O 12 O 15 O 17 O 18 Question 3​

Answers

Answer:

16 > 11

Step-by-step explanation:

7 + (16 - 7) = 3 + 8

7 + 9 = 3 + 8

16 = 3 + 8

16 ≠ 11

or

16 > 11

Find the perimeter of the figure.

Answers

Answer:

26 meters

Step-by-step explanation: Ez. First add all the data you already have. You should end up with 19. Then, you want to find the length of the missing side. Well, we know it's 7 meters since its opposite is 7, and these lengths are in the same square. So 19+7 is 26 meters.

Answer:

[tex]26[/tex]

Step-by-step explanation:

perimeter= AB + BC + CE + DE + AD

AB= DE = 7

BC = 5

EC= 3

DE = 7

AD = 4

So, perimeter = 7+ 5+ 3+ 7+ 4

→ 12+ 10 +4

→ 24+ 4

→26

So, 26 is your answer

[tex]----------[/tex]

hope it helps..

have a great day!!

i need help please asap!!!!

Answers

Answer:

3.24 m²156 cm²

Step-by-step explanation:

1.

Area of a parallelogram = base × height

The area of the parallelogram

= 2.7 × 1.2

= 3.24 m²

2.

Try to divide the figure into 2 rectangles and find their areas.

The area of the larger rectangle

= 6 × (20-6)

= 84 cm²

The area of the smaller rectangle

= 12 × 6

= 72 cm²

The total area of the figure

= 84 + 72

= 156 cm²

Answer:

C) 3.24m^2

C) 156 cm^2

Step-by-step explanation:

The area of a parallelogram is base * height.

The base is 2.7m, while the height is 1.2m.

2.7*1.2 = 3.24m^2.

We can envision the area of the figure to be a rectangle with another rectangle cut out of it.

The total rectangle's area is 20*12, which equals 240cm^2.

The smaller rectangle's width would be 12 - 6, which is 6. The length would be 20 - 6, which is 14. 6 * 14 = 84.

Now we just have to subtract 84. from 240, which is simple. 240-84=156.

The answer is 156cm^2.

−b/2a let a=3 and b=18

Answers

Answer:

-3

Step-by-step explanation:

step 1 substitute 3 for a and 18 for b

-18/2(3)

step 2 evaluate

2 * 3 = 6

-18/6=-3

the answer is -3

-18/2•3 = -3 that’s your answer

when i post these questions just solve them for my brother will ya plz he will give thanks to who ever does it

Answers

Answer:

1/4 or 5/20

Step-by-step explanation:

You find how many numbers are above 10. Then find the frequency and add them together, that will be your numerator. The total number of tries is 200, that is your denominator.

I need the answer immediately pls!!!!!!!

Answers

Answer:

5/21

Step-by-step explanation:

Draw a Venn diagram to represent the class.

11 students play neither sport.

2 students play only basketball.

3 students play only baseball.

5 students play both.

Total: 21 students

p(both) = 5/21

If 2x/2y=16,what is the value of x-y?

Answers

Answer:

15y

Step-by-step explanation:

first the 2 can cancel:

[tex]\frac{2x}{2y} =16[/tex]

turns into:

[tex]\frac{x}{y} =16[/tex]

now since we need to find x-y,

x=16y

16y-y=15y

I might come back to this because I'm not 100% sure this is the answer you are looking for. Let me know if you have any questions.


***PLEASEEE YOU WILL EARN 40 points if you help me on all these questions *****

Answers

Answer: The answer is 40 students

Step-by-step explanation:

1/x + 7/x = 4

x = 2


x = 1/2


x = -3/2


x = 3/2

Answers

Answer:

x=2

Step-by-step explanation:

Step-by-step explanation:

1/x + 7/x = 4

both sides times by x

=>

1 + 7 = 4x

8 = 4x

or 4x = 8

so, x = 8/2 or x=2

if a plant grew from 6 inches, by 10 inches by, what percent did it increase​

Answers

I believe it would be 1.667 (1 2/3) percent

The worth of a house in 1975 is modeled by the equation y=30,000(1.09)^x. What will the house be worth in 2005?

Answers

Answer:

Below in bold.

Step-by-step explanation:

Here x = 2005 - 1975 = 30.

So in 2005 the house  will be worth:

30,000(1.09)^30

= 39,830.

can you please help me i need this done!!!

Answers

Answer:

i would say 1.20 is what represents point B

Y=x3 is that a function?

Answers

Answer:

yes

Step-by-step explanation:

y(x) is even or odd according as y(−x)=±y(x) . Here, #y(-x)=-(-x)^3=-(-x^3)=x^3=-y(x). So, y is an odd function of x.

Linda bought $87.95 worth of merchandise at an electronics store. She
returned a video game and received a refund of $27.79. Linda also had to
pay a restocking fee of $6.17 for the returned game. After returning the
video game, what was the total cost of Linda's purchase?

Answers

Answer:  She paid $66.33

Step-by-step explanation:

The overall amount that you paid for the video game was 87.95. She got 27.79 back as a refund. So you subtract what she paid from her refund. 87.95-27.79 = 60.16.  She also had to pay a fine for the video game. So you add the fine to the amount. 60.16+6.17 = 66.33.

Overall, she paid 66.33.

Answer:

It's $66.33

Step-by-step explanation:

87.95-27.79+6.17=66.33

She first bought electronics worth of $87.95.

Returned a video game and received a refund of $27.79.

=60.16 (87.95-27.79) | You have to subtract.

Had to pay a fee of $6.17 after returning the video game.

final amount - $66.33 (60.16+6.17) | You have to add the amount she now had after she got the refund and the restocking fee she had to pay.

4. (- 3) ×______ (- 5)=120

ONLY CORROCT ANWER

Answers

The answer is 8 so x=8

What’s the answer? Down below is a image of the question

Answers

Answer:

link is virus dont search

Step-by-step explanation:

Also, I think it's #1. Hope this helps! UwU


Jackie can clean a house in 6 hours. When Jackie and Veronica work together, they can clean a house in about
3.6 hours. About how long will it take Veronica to clean a house if she works by herself?

Answers

Answer:

5.4 hr i think

Step-by-step explanation:

Oliver is playing a game in which he has to choose one of three numbers ​(6, 7, or 8​) and then one of five vowels​ (a, e,​ i, o, or​ u). How many possible outcomes are​ there?

Answers

Answer:

There are 15 possible outcomes

Step-by-step explanation:

Here, we want to get the number of possible results

From the question, we can see that each of the numbers have 5 different vowel attachment

What this mean is that, we have;

6a , 6e, 6i, 6o and 6u

For the three numbers, the possible results would be;

5 * 3 = 15

Find the area of the nearest hundredth

Answers

Answer:

since the radius is 11 witch the radius is only half so times by 2 witch would be the diamater witch is 22 so the area would be A≈381

Step-by-step explanation:

A=14πd2=14 · π · 222 ≈ 381

i think thats it bc If the object is a circle, and you know its circumference, you would divide the circumference by pi to find the diameter of the circle. Half the diameter is the radius. Square the radius and multiply by pi to find the area of the circle.

Answer:

Step-by-step explanation:

1 find the surface area and 2 find the volume​

Answers

Surface area:740.32m volume:586.67in

Plz help will mark brainliest plz show work

Answers

Answer:

look at the picture i have sent

Plz helper I been ask this question about 3 times

Answers

The value of x is 35 degrees, as it is opposite to the other 35 degree angle. Now, to find y. We can see by the indicators that the measure of the y angles are equal. These angles, along with the 35 degree angle that is indicated are in a straight angle. This helps us. Form an equation.

2y+35=180

2y+35-35=180-35

2y=145

y=72.5

Therefore, the value of the x angle is 35 degrees and the value of the y angle is 72.5 degrees.

Hope this helps.

What is the value of x in the equation x2 = 0.0049?

Answers

Answer:

.0098

Step-by-step explanation:

What are parallel lines

Answers

Answer:

Parallel lines are lines in the same plane that do not intersect, like lines on notebook paper.

The "in the same plane" requirement is important!  Take a look at the attached image.  Lines AD and DC don't intersect, but they are not in the same plane (face of the rectangular solid).  We don't call those parallel, we call them skew lines.

if a car travels at an average speed of x miles per hour, how far would the car travel in 90 minutes?
a) 9x/2
b) 2x miles
c) 3x/2 miles
d) x/2 miles

Answers

Answer: D

Hope this helps and if I’m wrong pls don’t bash me lol.

Samantha is constructing a door frame with base 30 inches, height 84 inches, and diagonal 91 inches. A sketch of the door frame is shown.

Answers

Answer:

The door is not in rectangle shape.

Step-by-step explanation:

Given:

Length of base = 30 inches

Height of door = 84 inches

Diagonal of door = 91 inches

Find:

The door is rectangle or not

Computation:

Using Pythagorean theorem

Hypotenuse² = Perpendicular² + Base²

So,

91² = 84² + 30²

8,281 = 7,056 + 900

8,281 ≠ 7,956

So we say that the given door angle is not 90°

So,

The door is not in rectangle shape.

The price of a jacket is £70
The price is to be reduced by 15%

How much will the price be reduced by?

Answers

Answer:

10.5

Step-by-step explanation:

15% of 70 is 10.5. so it will be reduced by 10.5 but equal 59.5

Complete the square to find
the vertex of this parabola.
x^2 - 4x + y + 10 = 0
([?], [ ])

Answers

Answer: 2,-6

Step-by-step explanation:

The vertex of the parabola defined by the equation x² - 4x + y + 10 = 0 is (2, -6).

To maintain the equality of the equation, we need to add and subtract 4 within the parentheses.

3. Rewrite the equation by adding and subtracting 4 within the parentheses: x² - 4x + 4 + y = -10 + 4.

Now, we can factor the perfect square trinomial (x - 2)² and simplify the right side of the equation.

4. Factor the perfect square trinomial: (x - 2)² + y = -6.

The equation is now in the form (x - h)² + k = y, where (h, k) represents the vertex of the parabola. Therefore, the vertex of the parabola is (2, -6).

To learn more about parabolas;

https://brainly.com/question/21685473

#SPJ4

The complete question:

Complete the square to find

the vertex of this parabola.

x² - 4x + y + 10 = 0

What is the area of this face?

Answers

Answer:

48

Step-by-step explanation:

The Width is 6 and the Height is 8 which means the surface area is 48.

You don´t add length because they asked for the area of that face not the area of the actual block.

solve for x in the diagram below​

Answers

Answer:

x=20

Step-by-step explanation:

3x+80+2x=180(being linear pair)

5x=180-80

x=100/5

x=20

3x=3*x  =3*20  =60

2x=2*x  =2*20  =40

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