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xz_007 [3.2K]
3 years ago
12

Which terms and 45p^4q have a GCF of 9p^3?

Mathematics
1 answer:
vredina [299]3 years ago
7 0

Answer:

The answer is 18p^3r and 63p^3

Step-by-step explanation:

G.C.F of 18p^3 r and  45p^4q is = 9p^3

18p^3r = 2*3*3*p*p*p*r

45p^4q = 3*3*5*p*p*p*q

Thus the G.C.F is 3*3*p*p*p = 9p^3

G.C.F of  63p^3 and  45p^4q is = 9p^3

63p^3 = 3*3*7*p*p*p

45p^4q = 3*3*5*p*p*p*q

Thus the G.C.F is 3*3*p*p*p = 9p^3

Therefore the answer is 18p^3r and 63p^3....

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The length of a rectangular floor is 4 feet longer than its width w. The area of the floor is 525 ft^2.
andre [41]

Answer:

  • 525 = (w+4)(w)
  • 21 ft by 25 ft

Step-by-step explanation:

Let w represent the width of the floor. Then the length of the floor is (w+4) and its area is ...

  A = LW

  525 = (w+4)(w)

  w^2 +4w -525 = 0

  (w -21)(w +25) = 0 . . . . factor the above

Solutions are ...

  w = 21, w = -25

We are interested in the positive solution: w = 21.

The floor is 21 feet wide and 25 feet long.

_____

<em>Alternate solution</em>

Sometimes, when the factors aren't obvious, it works well to write an equation for the average of the dimensions. Here, we can represent that with x, and use (x-2) for the width, and (x+2) for the length. Then we have ...

  525 = (x-2)(x+2) = x^2 -4

  529 = x^2

  √529 = 23 = x

Then w=23 -2 = 21, and the length is w+4 = 25.

7 0
3 years ago
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What is the vertex of the quadratic function given in the table?
likoan [24]

Answer:

The vertex is (-3,-2)

The vertex is basically the very top or very lowest, so you will notice how values around (-3,-2) are relatively the same in the y coordinate, but -2 is the "highest/lowest" so that's how you know it's a vertex.

If you try picturing the points in your head, you will see it make a U and at the bottom of the U is the vertex.

7 0
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(2n4 - 13n3 + 32n2 – 51n – 54) = (2n – 9)​
Bezzdna [24]

Answer:

2n-9

Step-by-step explanation:

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2 years ago
The volume of a wooden block is 6.3 cubic inches .this equivalent to how many cubic centimeters
Natalija [7]

Answer:

103.24\ cm^3

Step-by-step explanation:

we know that

1\ in=2.54\ cm

we have

6.3\ in^3

Convert in³ to cm³

6.3\ in^3=6.3(2.54^3)=103.24\ cm^3

5 0
3 years ago
Pls help 20 points i need help
Anna007 [38]

Answer:

8.06

Step-by-step explanation:

d=(−2−(−9))2+(3−7)2−−−−−−−−−−−−−−−−−−−√  

d=(7)2+(−4)2−−−−−−−−−−√

d=49+16−−−−−−√

d=6–√5

d=8.062258

d=8.06

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