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taurus [48]
2 years ago
12

Which of these shows the complete factorization of 6x^2y^2-9xy-42

Mathematics
1 answer:
sineoko [7]2 years ago
4 0

Answer:

3 • (2xy - 7) • (xy + 2)

Step-by-step explanation:

(((2•3x2) • y2) -  9xy) -  42

6x2y2 - 9xy - 42  =   3 • (2x2y2 - 3xy - 14)

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3 0
3 years ago
The perimeter of the base of a regular quadrilateral prism is 60 cm, the area of a lateral face is 105 cm2. Find: the volume of
Harman [31]
Since the base is a regular quadrilateral, each of its 4 sides must have length
  s = P/4
  s = (60 cm)/4 = 15 cm

The area of one lateral face is the product of side length and height.
  A = s×h
  105 cm² = (15 cm)×h
Then the height of the prism is
  h = (105 cm²)/(15 cm) = 7 cm

The area of the base is then
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The volume is 1575 cm³.
5 0
2 years ago
Name two planes that intersect in SW in the<br> figure to the right
charle [14.2K]

Plane XTS and Plane VRS

A option

7 0
2 years ago
Click on the words to go to the link
leonid [27]
It would be 32*15*2.80
7 0
2 years ago
70 is 40% of what number? ________ 16 is 25% of what number? ________ 18 is what percent of 60? ________ 12 is what percent of 9
nordsb [41]

Answer:

I can tell you the first one and you can figure it out from there. 70 is 40% persent of what number? Well, we can chop 40% to 20% and chop 70 in half and we get 35. So 35 = 20% So we multiply 35 by five, and get 175. So 70 is 40% of 175.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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