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tester [92]
3 years ago
9

What is the reason for statement 3, statement 4, and statement 5?

Mathematics
1 answer:
ddd [48]3 years ago
8 0
Can you repost a new image that one is blurry
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Solve by Elimination: <br> x + 6y = 28<br> 2x - 3y = -19
SIZIF [17.4K]

Answer:

x=-2

y=5

Step-by-step explanation:

x=28-6y

2x-3y=-19

(substitute the value of x)

2(28-6y)-3y=-19

y=5

x=28-6*5

x=-2

3 0
2 years ago
the perimeter of a rectangular plot of land whoose length is 2x+15and width x-10m is 80cm find the area of x​
Mnenie [13.5K]

Answer:

x=25

the area of x squared is then 625

Step-by-step explanation:

3x +5 = 80

3x= 75

x=25

the area of x squared is then 625

5 0
3 years ago
What is the x-coordinate of the vertex of the parabola whose equation is y = 3x2 + 9x?
Westkost [7]
The vertex is (-1.5, -6.75). So the x-coordinate is -1.5. Hope this helps and if so please leave a good rating and thanks. I really appreciate it. Have a nice day!
4 0
3 years ago
Read 2 more answers
A container has 10 oz of salt water containing 59% salt. Roberto added 20 oz of salt water containing 20% salt to the container.
zubka84 [21]
Does it give u answer choices
4 0
3 years ago
The wind blew away 30 of your muffins.that was 5/6 of all of them! With how many did you start with .
Vaselesa [24]

5/6 x = 30

x = 30 ÷ 5/6

x = 36 <=== muffins you start with

5 0
3 years ago
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