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arsen [322]
3 years ago
14

6. Cross product: A= (2,3,4) B= (2,4,6)

Mathematics
1 answer:
alexgriva [62]3 years ago
3 0

Answer:

(2,-4,2)

Step-by-step explanation:

If this is for Vector Cross Product:

Cross product of two vectors =  (u1,u2,u3) * (v1,v2,v3) =

(u2v3 - u3v2, u3v1 - u1v3, u1v2 - u2v1) = ((3*6) - (4*4), (4*2) - (2*6), (2*4) - (3*2) =

(2,-4,2)

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7. The largest of the Great Pyramids in Egypt was built with a square base,
strojnjashka [21]

Answer:

Difference between the original and current volumes = 4013140.30 cubic feet

Step-by-step explanation:

Largest pyramid has the square base with one edge = 754 feet

Area of the square base = (Side)²

                            = (754)²

                            = 568516 square feet

Volume of the pyramid = \frac{1}{3}(\text{Area of the base})(\text{Height})

                                       = \frac{1}{3}\times 568516\times 481

                                       = 91152065.3 cubic feet

After erosion,

Area of the base = (745)² = 555025 square feet

Volume of the pyramid = \frac{1}{3}(555025)(471)

                                       = 87138925 cubic feet

Difference between the original and current volumes of the pyramid

= 91152065.30 - 87138925

= 4013140.30 cubic feet

5 0
4 years ago
What is the answer and how did you get it ?
grin007 [14]
Total of 2.7. ---Anna had 0.5 Sam 0.75 Michelle 0.45 and Paige 0.70
7 0
3 years ago
Read 2 more answers
*20 POINTS PLUS+++ BRAINIEST :D IF GOOD*
Veseljchak [2.6K]

Answer:

450 Area

Step-by-step explanation:

50 blocks long and 9 blocks wide. If you do 50x9 you get the area inside of the park.

3 0
4 years ago
Read 2 more answers
The length of a rectangle is 4 in longer than its width.
bija089 [108]

The area of the rectangle that has a perimeter of 44 in is calculated as: 117 in².

<h3>What is the Area and Perimeter of a Rectangle?</h3>

Area = length × width

Perimeter = 2(length + width).

Given the following:

  • Width = w in.
  • Length = w + 4 in
  • Perimeter of the rectangle = 44 in.

Therefore:

2(w + 4 + w) = 44

Solve for w

2(2w + 4) = 44

4w + 8 = 44

4w = 44 - 8

4w = 36

w = 9

Width of the rectangle = w = 9 in.

Length = w + 4 = 9 + 4 = 13 in.

Area of the rectangle = 13 × 9 = 117 in².

Learn more about the area of rectangle on:

brainly.com/question/2607596

#SPJ1

5 0
1 year ago
Which expression is a difference of squares with a factor of 5x − 8?
Olegator [25]

Answer:

25x^2-64

Step-by-step explanation:

Remember that the formula for the difference of squares is a^2-b^2=(a+b)(a-b). The formula implies that if (5x - 8) is a factor, then (5x + 8) is the other factor. We can use our formula to find which one is our difference of squares:

(5x-8)(5x+8)=(5x)^2-8^2

(5x-8)(5x+8)=5^2x^2-64

(5x-8)(5x+8)=25x^2-64

We can conclude that the correct answer is 25x^2-64.

4 0
3 years ago
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