1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
salantis [7]
3 years ago
14

Can someone help me please.​

Mathematics
1 answer:
Daniel [21]3 years ago
6 0

Answer:

<h2>652 ft²</h2>

Step-by-step explanation:

Look at the picture.

It's a net of right rectangular prism.

We have three pairs of rectangles:

7ft × 8ft

7ft × 18ft

8ft × 18ft

The formula of an area of a rectangle l × w:

A = lw

Calculate the areas:

A₁ = (7)(8) = 56 ft²

A₂ = (7)(18) = 126 ft²

A₃ = (8)(18) = 144 ft²

The Surface Area :

S.A. = 2A₁ + 2A₂ + 2A₃

Substitute:

S.A. = 2(56) + 2(126) + 2(144) = 652 ft²

You might be interested in
What would be the answer for part b ?? i really need help !
Scilla [17]

Answer:

Area = 525 ft²

Step-by-step explanation:

Area of rectangle = Length × Width

Length = 20 + 15 = 35 ft

Width = 15 ft

Area = 35 ft × 15 ft = 525 ft²

5 0
3 years ago
Solve each equation by factoring, by taking square roots, or by grouping. When necessary round to the nearest hundredth.
e-lub [12.9K]
No picture or equation
8 0
3 years ago
4) Find the perimeter of the following triangle<br> 2x+8<br> 25x-3<br> 3+x
miv72 [106K]
  • Answer:

<em>28x + 8</em>

  • Step-by-step explanation:

<em>Hi there ! </em>

<em>Perimeter = sum of the sides</em>

<em>P = (2x + 8) + (25x - 3) + (3 + x)</em>

<em>= 2x + 25x + x + 8 - 3 + 3</em>

<em>= 28x + 8</em>

<em>Good luck ! </em>

6 0
3 years ago
Plzzzzz help me plzzzzzz
lisabon 2012 [21]

Answer: 36


Step-by-step explanation:

(11−9)^2(8−5)^2

=(22)((8−5)^2)

=4(8−5)^2

=4(3^2)

=(4)(9)

=36


4 0
3 years ago
Read 2 more answers
-7 + 2x = -45<br> a 1<br> b -19<br> c 11<br> d -16
Marina86 [1]

Answer:

B) -19

Step-by-step explanation:

-7 + 2x = -45

+7             +7

2x = -38

/2      /2

x = -19

7 0
3 years ago
Read 2 more answers
Other questions:
  • What number gives a result of -3 when 10 is <br> subtracted from the quotient of the number and 5?
    8·1 answer
  • First, use the "completing the square" process to write this equation in the form (x + D)² = E. x² - 8 x + 12 = 0 is equivalent
    11·1 answer
  • If Jeremy puts 200$ down and pays 35$ per month for 24 months, how much will the computer cost?
    14·2 answers
  • Jeff earns money mowing lawns. His earnings and hours worked represent a direct variation. He worked for 5 hours and earned $37.
    14·1 answer
  • Answer the question below please, I need help.
    10·2 answers
  • What is the awnser pls help
    8·1 answer
  • Use synthetic division<br> 1.<br> (2x3 - 5x2 + 3x + 7) = (x - 2)
    6·1 answer
  • 3 1/2x 4 <br><br> Help I'm Failing Class
    11·2 answers
  • (5x)^3It’s asking me to evaluate pls help
    8·1 answer
  • Suppose that $x$ is a multiple of 6 (not necessarily positive). If the square of $x$ is less than 200, how many possible values
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!