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oksano4ka [1.4K]
3 years ago
15

What is X-y=-1 written in y=mx+b form?

Mathematics
1 answer:
exis [7]3 years ago
8 0

Answer:

y = x + 1

Step-by-step explanation:

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Distribute property of 7x +7y
Vesna [10]
It would be 7(x+y)
It’s just pulling out the common factors in each set.
6 0
3 years ago
A saline solution has a weight of 1.12 kg per liter. What is the weight of the saline solution of 0.75 l?
Kipish [7]

Answer:

0.84 kg

Step-by-step explanation:

Given that :

Weight per liter = 1.12kg per liter

That is 1 Litre weighs 1.12 kilogram

The weight of saline solution of 0.75 Litre will be :

1 Litre = 1.12 kg

0.75 Litre = x

Cross multiply :

1 * x = 1.12 * 0.75

x = 0.84 kg

Hence, 0.75 Litre weighs 0.84 kg

4 0
3 years ago
A. Graph A<br> B. Graph B<br> C. Graph<br> D. Graph D
igomit [66]

Answer:

C

Step-by-step explanation:

y = (x-1) (x+4)

when y=0

x=1 and x= -4

so select C

3 0
3 years ago
Solve the systems of equation by graphing (Picture provided)
padilas [110]

Answer:

The option d

Step-by-step explanation:

find the intersection with x and y

https://tex.z-dn.net/?f=x%3D0%0A

https://tex.z-dn.net/?f=0%2By%3D-9%20%5Clongrightarrow%20y%3D-9%0A

and https://tex.z-dn.net/?f=y%3D0%0A

https://tex.z-dn.net/?f=x%2B0%3D-9

we get the coordinates

https://tex.z-dn.net/?f=(0%2C-9)%2C%20(-9%2C0)

and the same process for another equation

https://tex.z-dn.net/?f=4*(0)%2By%3D-19%20%5Clongrightarrow%20y%3D-19%5C%5C%0A4*x%2B0%3D-19%20%5Clongrightarrow%20x%3D%5Cfrac%7B-19%7D%7B4%7D%20%5C%5C%5C%5C%0A(0%2C-19)%2C%20(%5Cfrac%7B-19%7D%7B4%7D%2C0)%20

and these coordinates are those expressed in the d graph

3 0
3 years ago
A store sells 12 cans of nuts for $30 how much would it cost you to buy seven cans of nuts
Stells [14]

Answer: $17.50

Step-by-step explanation:

30 divided by 12 equals 2.5 therefor you would multiply 2.5 by the number of cans purchased, in this case 7.

3 0
2 years ago
Read 2 more answers
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