Add the three strips of cut wood together:
John will need to cut a total of 50.05cm of wood.
Subtract this total from the strip John has:
The leftover piece will be 21.95cm long.
−7y ≤ 35 solve for y
2 answers:
Answer:
y ≥ − 5
Step-by-step explanation:
Given the inequality statement: −7y ≤ 35
We can start by multiplying both sides of the inequality by ( −1 ) to reverse the inequality symbol:
( −1 ) −7y ≤ 35 ( − 1 )
7y ≥ − 35
Divide both sides by 7 to solve for y:
y ≥ − 5
Please mark my answers as the Brainliest if you find this explanation helpful :)
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Answer:
Step-by-step explanation:
I've enclosed a graph to show you that there is one solution.
-4x + 3y = - 12
<u>- 2x + 3y = - 18</u><em><u> </u></em><em> </em>Subtract
-2x = 6 Divide by - 2
-2x/-2 = 6/-2
x = - 3
- 4x + 3y = - 12
-4(-3) + 3y = - 12
12 + 3y = - 12
3y = - 12 - 12
3y = - 24
3y/3 = - 24/3
y = - 8
Which is exactly what the graph shows.
You can tell immediately that this has 1 or more solutions just by looking at the number in front of x and y in each each equation.
It's always a good idea to graph a question like this one. Desmos is a pretty good tool to use if you don't have a graphing calculator.
The y's are the same so you are 1/2 way home in saying what you did.
The x's are different so that means you have at least 1 solution.
