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NemiM [27]
3 years ago
6

(6)/(7)x-(2)/(5)y+(5)/(7)(y+x) PLEASE HELP!!!!!

Mathematics
1 answer:
muminat3 years ago
7 0

Answer:

55x + 11y/ 35

Step-by-step explanation:

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Find the perimeter of a rectangle with a length of 6x+3 and a width of -2x-5.
blsea [12.9K]
The simple way of calculating a perimeter is to add all of the sides.
For a rectangle this would equal 2 x length + 2 x width
P = 2(6x + 3) + 2(-2x - 5)
= 12x + 6 - 4x - 10
= 8x - 4

At a higher level both the length and width must be greater than zero (= zero is a trivial rectangle)
6x + 3 > 0
6x > -3
x > -0.5

-2x - 5 > 0
2x + 5 < 0 (multiplying by -1 reverses the inequality)
2x < -5
x < -2.5

This rectangle cannot exist as x cannot be < -2.5 and > -0.5 at the same time!
8 0
3 years ago
Read 2 more answers
Please someone do this for me
nlexa [21]

Answer:

A = -12

B = -8

C = -4

Step-by-step explanation:

y=2x-8

x = -2

y=2(-2)-8=-4-8=-12

A = -12

x = 0

y = 2 (0)-8=-8

B = -8

x = 2

y = 2 (2) -8 = 4-8 = -4

C = -4

Hope this helps

8 0
2 years ago
How many times does 48 go into 80
anastassius [24]
1.666666666666667 to be exact, but rounded it is 1.66
3 0
3 years ago
Read 2 more answers
Please help, thank you guys
DiKsa [7]

Step-by-step explanation:

1) 165⁰

2) 180⁰

Note:FOR initial temperature check the temperature at t=0

I hope it helped you

6 0
2 years ago
Winston and Sally are scuba diving. Winston is 27.77 meters below the surface of the ocean, and Sally is 2.10 meters deeper than
Nitella [24]

Answer:

-29.87

Step-by-step explanation:

8 0
3 years ago
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