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emmasim [6.3K]
3 years ago
11

Can somebody do part b thanks 11 pionts

Mathematics
1 answer:
qaws [65]3 years ago
3 0
Here is my work. Hope it helps.

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How do you do this simultaneous equation?
tatiyna
The y is the same for both equations. Equate them
-x - 5 = 2x + 4 Add x to both sides
- 5 = 3x + 4 Subtract 4 from both sides.
- 9 = 3x Divide by 3
x = -9 / 3
x = - 3

y = - x - 5
y = -(-3) - 5
y = - 2

So that point is where the two equations meet.

To see the graph of your question on the internet, go to 
Wolframalpha.com 
and put this string in the question space.
y = -x - 5; y  = 2x + 4  Note the semi colon in the middle.

To the moderator: This is my own work. I'm using Wolfram to get the answer.
5 0
3 years ago
during a giving month there was a total of 23.6 inches of rain this was 250% of the average rainfall for that month what is the
yanalaym [24]
23.6*2.5=59 inches of average rainfall for that month

8 0
3 years ago
An anchor 15 m below the surface of the ocean is lowered 4. m. Then it is
Free_Kalibri [48]

Answer:

it 31 for sure but if not that than some thing is wrong

Step-by-step explanation:

15+12+4=31

7 0
3 years ago
Graph that represents y=4^2+3
marissa [1.9K]
Y=19, It's a straight horizontal line.
4 0
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Simplify the expression and combine like terms. 3(x-2)-2(x+1)3(x−2)−2(x+1)
Nady [450]

Answer:

6x^2+7x+4

Step-by-step explanation:

Explanation is in photo

6 0
2 years ago
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