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tatyana61 [14]
2 years ago
10

Helpppppppppppppppppppppppppppppppppppppppppppp​

Mathematics
2 answers:
astraxan [27]2 years ago
7 0

Answer:

Step-by-step explanation:

the first one- 40

the second one- 2.5

This should be correct if I did my math correctly

azamat2 years ago
4 0

Answer:

I can help

Step-by-step explanation:

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Ayuda por favor! <br> Lo necesito urgente!!!
expeople1 [14]
Es hora be comer!!!!!
3 0
3 years ago
Y=2x+9 y=4x-9 Solve the system of equations.
Deffense [45]

Answer:

Your solution is (9, 27) or x = 9, y = 27

Step-by-step explanation:

y = 2x + 9

y = 4x - 9

We can see that both of these equations equal y, so we can set them equal to each other.

2x + 9 = 4x - 9

Add 9 to both sides.

2x + 18 = 4x

Subtract 2x from both sides.

18 = 2x

Divide both sides by 2.

9 = x

Now we want to find y. To do this, plug x = 9 back into one of the original equations.

y = 2(9) + 9

Multiply.

y = 18 + 9

Add.

y = 27

Your solution is (9, 27)

Check your answer by plugging x = 9 and y = 27 back into the original equations.

y = 2x + 9

27 = 2(9) + 9

27 = 18 + 9

27 = 27

y = 4x - 9

27 = 4(9) - 9

27 = 36 - 9

27 = 27

Your answer is correct.

Hope this helps!

3 0
3 years ago
Read 2 more answers
Use the data for each plats growth and compare the
Mademuasel [1]
You didn’t show us the answers we can choose, how do we solve it then
4 0
3 years ago
Help me to do this question ​
gtnhenbr [62]

Step-by-step explanation:

here is tha answer..hope it helps..mark me as brainliest

4 0
3 years ago
Find an equation for the line that passes through the point (0,-1) and has a slope 7/10
Leto [7]

Answer:

y= 7/10x -1

Step-by-step explanation:

Assuming you want the equation is slope intercept form, this is the format for slope intercept: y=mx+b. Since you have the slope, this is your current equation: y=7/10x+b. Next, you want to find the y-intercept. So, plug in the coordinate to the equation. This is what it should look like: -1=7/10(0) +b/ Multiply 7/10 by 0 to get 0. So, here is what you're left with: -1=b. -1 is your y-intercept. Go back to your original equation and plug in the -1. This is your final answer: y= 7/10x-1. Hope this helped!

8 0
3 years ago
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