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Bogdan [553]
3 years ago
5

20 points!!!

Mathematics
1 answer:
vitfil [10]3 years ago
6 0

Step-by-step explanation:

(12x - 19y) (12x + 19y) = 144x^2-361y^2

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Ben and Landon took turns driving on the recent 820 mile road trip Ben averaged 60 mph while Landon average 56 mph if the trip t
AysviL [449]

Answer:

9 hours

Step-by-step explanation:

Let :

Landon hours = x

Ben hours = y

x + y = 14 - - (1)

60x + 56y = 820 - - - (2)

From (1)

y = 14 - x

60x + 56(14 - x) = 820

60x + 784 - 56x = 820

4x = 820 - 784

4x = 36

x = 36/4

x = 9

Landon drove for 9 hours

4 0
3 years ago
George walked around the entire perimeter of his rectangular garden. The length of his garden was 12 yards and the width was 8 y
Marina86 [1]
To find perimeter, you use this equation for a parallelogram:
2l+2w=p
Let’s not put the numbers in,
2(12)+2(8)
24+16
40
So b, 40 yards is how much he walked.

















To
8 0
3 years ago
I NEED HELP ASAP 20 POINTS
vekshin1
I am too lazy to do question 6 if u want the answer tell me

8 0
2 years ago
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How do i find the slope and y intercept ?
Vika [28.1K]

y=mx+B is the formula for finding the slop intercept


4 0
3 years ago
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GIVING BRAIN AND 30pointsWhat is the solution to the system of equations below?
SpyIntel [72]

Answer:

No solution

Step-by-step explanation:

Using substitution, we get to the answer 12=0, which is untrue meaning no solution.

Hope this helps! Please give Brainliest!!

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