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Fantom [35]
2 years ago
11

Need help with these 2 questions as soon as possible thank you​

Mathematics
1 answer:
earnstyle [38]2 years ago
8 0

Answer:

2w+2+w=3w-1+6=4w=2w=2w

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Jared has a wooden board 11 ft long. He wants to cut it into two pieces so that the longer piece (y) is 4 ft less than 4 times t
patriot [66]

Answer:

the answer is x + y = 11 and y = 4x - 4

8 0
2 years ago
1) What is the solution of the given system?
m_a_m_a [10]

Answer:

1  x=-2.5  y = -5.5

2.  x=5  y=1

Step-by-step explanation:

1) What is the solution of the given system?

5x-y=-7

3x-y=-2

Multiply the second equation by -1

-1*(3x-y)=-1(-2)

-3x +y = 2


Now add the first equation to the modified second equation

5x-y=-7

-3x +y = 2

------------------

2x = -5

Divide each side by 2

2x/2 = -5/2

x = -2.5

Now we need to find y

-3x+y =2

-3(-2.5) +y =2

7.5 +y =2

Subtract 7.5 from each side

7.5 -7.5 +y =2-7.5

y = -5.5


2) what is the solution of the given system?

5x+7y=32

8x+6y=46

Divide the second equation by 2

8x/2+6y/2=46/2

4x+3y =23


Multiply the first equation by 4

4 (5x+7y)=32*4

20x+28y = 128


Now multiply the modified 2nd equation by -5

-5(4x+3y )=-5(23 )

-20x -15y = -115


Lets add the new equations together to eliminate x

20x+28y = 128

-20x -15y = -115

---------------------

      13y = 13

Divide each side by 13

13y/13 =13/13

y=1

Now substitute back in to find x

5x+7y=32

5x +7(1) =32

5x +7 =32

Subtract 7 from each side

5x+7-7 =32-7

5x =25

Divide by 5

5x/5 =25/5

x=5





3 0
3 years ago
What is -4x+5y if x is 3 and y is 5
klasskru [66]
The answer is 13 hope this helps
6 0
3 years ago
Read 2 more answers
9 through 13 i need help ASAP
Zarrin [17]
I hope this helps you

8 0
3 years ago
Chad has a rope that is 25 yards long. How many pieces of rope measuring of a yard can he divide his rope into?
Angelina_Jolie [31]

He can divide it into 8 pieces plus an extra foot

8 0
3 years ago
Read 2 more answers
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