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
White raven [17]
3 years ago
9

Can someone help i really need help

Mathematics
1 answer:
love history [14]3 years ago
6 0

9514 1404 393

Answer:

  1. no problem is stated

  2. cube: V = s³; A = 6s². prism: V = lwh; A = 2(lw +h(l+w))

  3. 400 cm²

Step-by-step explanation:

1, 2. Answers shown above. The formulas are from your list of formulas.

__

3. Cube surface area is ...

  A = 6(20 cm)² = 2400 cm²

Prism surface area is ...

  A = 2((40 cm)(20 cm) +(10 cm)(40 cm +20 cm))

  A = 2(800 cm² +10(60) cm²) = 2(1400 cm²) = 2800 cm²

The difference in areas is ...

  2800 cm² -2400 cm² = 400 cm² . . . . difference in surface area

You might be interested in
50 points! Mhanifa please help! Everyone is putting random answers when I post a question and I need this done asap! DONT ANSWER
Genrish500 [490]

Answer:

  • x = 26°

Step-by-step explanation:

The first two questions are answered here

  • brainly.com/question/21794653
<h3>Question 3</h3>

Use the equation for exterior angle

<u>Exterior angle  = sum of non-adjacent interior angles</u>

  • 5x - 2 = 2x + 76
  • 5x - 2x = 76 + 2
  • 3x = 78
  • x = 26
6 0
3 years ago
Read 2 more answers
Write the relation as a set of ordered pairs. WILL MARK BRANLIEST!! PLEASE HELP ASAP!!!!
dsp73

Answer:

Option a.

Step-by-step explanation:

An ordered pair is written in the following form: (x, y). It means, first the independent variable and secondly the dependent variable.

In the diagram, the first circle represents the independent variable, and the second circle represents the dependent variable.

Then, the set of ordered pairs is (From left to right)

(-3, 3) ; (0, 0) ; (2, -2).

So the correct option is option a.

8 0
3 years ago
Read 2 more answers
1 point
topjm [15]

Answer:

€¥¥~▪♤₩

Step-by-step explanation:

|₩》€¥●♤●》●¥}\~¥¥¡¡₩¥€☆●£₩●€●¥£}●¡¡》¤

5 0
3 years ago
Evaluate 2r²+3s³-r²+4+²-r²
Vilka [71]
2r^2 + 3s^3-r^2+4^2+-r^2 \\ \\ 2r^2 + 3s^3 - r^2 + 16 + -r^2 \\ \\ 2r^2 + 3s^3 = r^2 16 - r^2 \\ \\ (2r^2 - r^2-r^2) + 3s^3+ 16 \\ \\ 3s^3 + 16 \\ \\ Answer: 3s^3 + 16
7 0
3 years ago
Read 2 more answers
Find the value of x.
Rudiy27

Answer:

x=104

Step-by-step explanation:

Angle Formed by Two Secants= 1/2(difference of Intercepted Arcs)

10.5 = 1/2( x-83)

Multiply each side by 2

2* 10.5 = 2*1/2( x-83)

21 = x-83

Add 83 to each side

21+83 = x-83+83

104 =x

7 0
3 years ago
Read 2 more answers
Other questions:
  • The percent for 140% of 50
    8·2 answers
  • Can the degree of a monomial ever be a negative? please explain why or why not.
    12·1 answer
  • When looking at the graph of a quadratic, what should be looking for to determine solutions?
    7·1 answer
  • Assume that you don’t know any kind of longhand method of division. Explain how you can use reasoning to calculate 495 ÷ 35
    10·1 answer
  • A special deck of cards has 3 blue cards, and 7 orange cards. The blue cards are numbered 1, 2, and 3. The orange cards are numb
    5·2 answers
  • Write an expression for the calculation 84 divided into sevenths added to 9 divided into thirds.
    8·1 answer
  • Find the domain and range of the following function f(x) = 31x + 71 - 2?
    6·1 answer
  • Solve for x and y<br> y = 2x + 1<br> y = 4x - 1
    12·1 answer
  • Nora is twice as old as Raj and half as old as Ethan. In 22 years' time. Ethan will be twice as old as Raj. Find Nora's current
    6·1 answer
  • Urgent Can someone help me asap
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!