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Vlada [557]
3 years ago
8

I need help please ASAP

Mathematics
1 answer:
strojnjashka [21]3 years ago
6 0

Answer:

1. 2, 3

2. 3, 7

3. 5, 2

4. 16, -10

Step-by-step explanation:

1. y=y       x+1=y=4x-5         x+1=4x-5           3x=6   x=2    y=3

2. x+y = 10      y=10-x     y=y    3x-2=10-x    4x=12 x=3  y=7

3. y=7-x   x-(7-x)=3    x-7+x=3     2x=10    x=5   y=2

4. y=6-x      2x+(6-x)=10      x+6=10    x=16    y=-10

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A carpenter charges $720 for 18 hours of work. She charges the same amount of money for each hour of work.
Rainbow [258]

Answer:

A

Step-by-step explanation:

To start off, you know 18 hours= 720

So you could automatically get rid of B and D since 19 and 17 are not 18.

After that, you have it down to A and C. The way you would find how much she charges for one hour is dividing 720 by 18. When you do that it means you are divding 720$ into 18 different groups each group representing an hour. When you divide 720 by 18 you should get 40. So every hour she makes 40 dollars. 40x 2 hours is 80. I hope I helped you!

3 0
3 years ago
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How to solve y^2=144/169
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Find the square root of both sides
√y²= √(144/169)

y= √144 / √169
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3 years ago
What is the distance between point A and point B?
DIA [1.3K]
The answer is possibly 10
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klemol [59]
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7 0
3 years ago
Solve w^3 - 9w = 0 by factoring
madam [21]

Answer:

w = 0 , -3 , 3

Step-by-step explanation:

w³ - 9w = 0

w(w² - 9) = 0

w(w² - 3²) = 0

w(w+3)(w-3) = 0            {a² - b² = (a + b)(a - b) }

w = 0   ;  w + 3 = 0                ; w - 3 = 0

                     w = -3              ;        w = 3

w = 0 , -3 , 3

5 0
3 years ago
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