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postnew [5]
3 years ago
14

Please answer both questions right answers get ✨brainlest!✨

Mathematics
2 answers:
german3 years ago
8 0

Hii :)

First, what is volume?

Volume is a scalar quantity expressing the amount of three-dimensional space enclosed by a closed surface. For example, the space that a substance (solid, liquid, gas, or plasma) or 3D shape occupies or contain

<u><em>FIRST ONE IS UNDERLINED</em></u>

<u>Now, lets answer.</u>

<u>Volume = lwh</u>

<u>Surface Area = 2(lw + lh + wh)</u>

<u />

<u />

<u>So, whats the answer?</u>

<u>Area of the floor is 693 sq ft</u>

<u />

<u />

<u />

<u>--------------Steps--------------</u>

<u />

<u />

<u>The formula for the area of a rectangle is:</u>

<u />

<u />

<u>A=l×w</u>

<u />

<u />

<u>The formula for the volume for a rectangular cube is:</u>

<u />

<u>V=l×w×h</u>

<u />

<u />

<u>We can substitute:</u>

<u />

<u>2079ft  3 for V</u>

<u />

<u />

<u>3ft for h</u>

<u />

<u />

<u>A for  l×w</u>

<u />

<u>And then solve for A  to find the area of the floor: v=l×w×h becomes:</u>

<u />

<u />

<u>2079ft 3=A×3ft</u>

<u />

<u>Therefore,Area of the floor is 693 sq ft</u>

The second question:

8 1/2 is 8.5. 3 1/4 is 3.25

3*8.5*3.25 = 82.875

~NatLikesAnime~

#LearningWithBrainly

Marat540 [252]3 years ago
6 0
Answer...to finding the volume of the rectangular prism.....27 3/8 because volume=Length multiplied by Height multiplied by width on cubes and rectangular prism

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maks197457 [2]

Answer:

2x+y^2

Step-by-step explanation:

For this, you check to see if any of these variables are the same. There are two x's, and 2 y's. So, you have to multiply x and x, which gives you 2x, and since you multiply the y's it will give you y^2.

So the answer will be 2x+y^2

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Step-by-step explanation:

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3 0
3 years ago
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Evaluate A^2 - B^2 for A = 3 and B=-4.
damaskus [11]

Answer:

-7

Step-by-step explanation:

A = 3

3×3 = 9

B= -4

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4 0
3 years ago
Given: AB is congruent to CD and BC is congruent to AD Prove: AB ll CD and BC ll AD
kifflom [539]
<h2>Given</h2>

  • A quadrilateral ABCD with opposite pairs of sides being congruent.

<h2>To prove</h2>

  • Opposite sides are parallel.

<h2>Solution</h2>

We'll prove first the triangles formed by diagonal are congruent then we'll prove the angles on either side of diagonal are congruent.

<u>The steps are:</u>

  • Step  ⇒   Statement  ⇒   Reason

=============================================================

  • 1   ⇒  AB ≅ CD and BC ≅ AD     ⇒     Given
  • 2  ⇒  AC = CA                              ⇒    Common side
  • 3  ⇒  ΔABC ≅ ΔCDA                   ⇒    Side-side-side congruence
  • 4  ⇒  ∠BAC ≅ ∠DCA                   ⇒    Corresponding angles of congruent triangles
  • 5  ⇒  ∠BAC and ∠DCA are alternate interior angles  ⇒  Definition of alternate interior angles
  • 6  ⇒  AB║CD                               ⇒   The converse of alternate interior angles theorem
  • 7  ⇒  ∠BCA ≅ ∠DAC                   ⇒   Corresponding angles of congruent triangles
  • 8  ⇒  ∠BCA & ∠DAC are alternate interior angles  ⇒  Definition of alternate interior angles
  • 9  ⇒ BC║AD                                ⇒   The converse of alternate interior angles theorem
4 0
2 years ago
Which of the following best describes how the y values are changing over each interval?
grandymaker [24]

Answer: They are being multiplied by 2 each time

Step-by-step explanation:

2x2=4 4x2=8 8x2=16 16x2=32  

6 0
3 years ago
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