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hichkok12 [17]
3 years ago
6

Factor by Grouping. I’m confused can someone help me answer the question? ASAP please.

Mathematics
1 answer:
Kamila [148]3 years ago
4 0

Answer:

D

Step-by-step explanation:

observe, grouping by gcd not 1

28r² + 35ry – 4xr – 5xy

= 28r² – 4xr + 35ry – 5xy

= 4r(7r – x) + 5y(7r –x)

= (4r + 5y)(7r – x)

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Which expression is a factor of 18 x 2 - 15 x +2?
Phantasy [73]

Answer:

(6x-1)(3x-2)

Step-by-step explanation:

18x²-15x+2 = 18x²-12x-3x+2= 6x(3x-2)-1(3x-2)=(6x-1)(3x-2)

3 0
3 years ago
The local library has a childern section with pictures books and chapter books the ratio is 2:3 id thete are a total of 500 book
Anvisha [2.4K]

Look at the ratio (2:3). You can see that the numbers of "ratio units" add up to 5, and that the total number of books is 100 times that value. Then each "ratio unit" stands for 100 books.

3 ratio units of chapter books mean there are 300 chapter books.

<h2><u>Mark as Brainliest</u></h2>

5 0
3 years ago
In the graph, the area below f(x) is shaded and labeled A, the area below g(x) is shaded and labeled B, and the area where f(x)
Brilliant_brown [7]

Answer:

  • y < 3x − 1
  • y ≤ −x + 4

Step-by-step explanation:

<u>As per the given graph we have:</u>

Function f with dotted line (> or < sign), increasing function (slope is positive), y-intercept of -1 and shaded area A is to the right (so < sign), so this represents the inequality:

  • f(x) < 3x - 1

Function g with solid line (≥ or ≤ sign), decreasing function (slope is negative), y-intercept is 4 and shaded area B is to the left (so ≤ sign), so this represents the inequality:

  • g(x) ≤ -x + 4

<u>Correct system is C:</u>

  • y < 3x − 1
  • y ≤ −x + 4
6 0
3 years ago
Please help I’m not understanding
erica [24]

Answer:

do 10.5 - 1.5 and that will give you 9.

3 0
3 years ago
What is the answer to 126=14g
GrogVix [38]

Answer:

31.5

Step-by-step explanation:

126/14=g

g=31.5

4 0
3 years ago
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