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kakasveta [241]
3 years ago
7

How to do the foil method to solve (2r+3s)(2r-s)

Mathematics
1 answer:
lana [24]3 years ago
5 0
(2r+3s)(2r-s)=4r^2-3s^2+6rs-2rs=4r^2-3s^2+4rs
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Help ? showing how you got the answer would be absolutely awesome. thank you !
Sergeeva-Olga [200]

Answer:

62: 300l/hr

63: .018mi/s

64: .46qt/s

65: 298.2mi/hr

Step-by-step explanation:

62: 5x60=300

63: 68/60=1.13/60=.018

64:7gal=28qt 28/60=.467

65: 8km=4.97mi 4.97x60=298.2

5 0
3 years ago
I really need help. I'm failing this class guys
Aleonysh [2.5K]

17. 2u +5.2 \leq 9.4 + u \\2u - u \leq  9.4 -5.2\\u \leq  4.2

18. 3(f+2) > 2f + 4\\3f + 6 > 2f + 4 \\3f-2f > 4-6\\f > -2\\ The answer is  I.

19. 4 < 6b -2 \leq 28\\4+2 < 6b \leq 28+2\\6 < 6b \leq 30\\6/6 < b \leq 30/6\\1 < b \leq 5

3 0
3 years ago
Given f (x) = 2x^2 -3x + 5, find f (-4)
bogdanovich [222]
-1=x is the answer I’m pretty sure
4 0
3 years ago
Read 2 more answers
A line with a slope of 0 passes through the point (9,5). What is its equation in slope-intercept form?
shepuryov [24]

Answer:

y = 5      

Step-by-step explanation:

Any line with a slope of 0 is horizontal, represented by the equation y = a number. That number is the y-value of all the points the line intersects.

We know that that the line intersects (9,5). So, take the y-value of that point and write it into the equation of y = a number. Thus, the answer is y =5.

8 0
3 years ago
5.47 - (-2.8) pls help me
Dominik [7]

Answer:

8.27

Step-by-step explanation:

subtracting a negative number creates a positive

two negatives = a positive

6 0
3 years ago
Read 2 more answers
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