4x+3y=7
3x-2y=9
12x+9y=21
12x-8y=36
^^Multiply top equation by 3 and multiply bottom equation by 4
12x+9y=36
- 12x-8y=36
17y=-15
^^Then subtract those two new equations
17y/17= -15/17
Y= -0.88
^^Next divide both sides by 17
4x+3* -0.88=7
4x + (-2.64) =7
-(-2.64) -(-2.64)
4x = 9.64
4x/4=9.64/4
X=2.41
^^then choose on equation and put your new y in the y spot and solve.
X=2.41
Y=-0.88
Your point/coordinate is (2.41,-.88)
Wouldnt it be 7 bc 7*6 is 42
The value that remains under the radical is 2
<h3>How to determine the value under the radical?</h3>
The correct expression in the question is:
1250^4
This can be rewritten as:
Express 1250 as product
Expand the expression
Simplify
Evaluate the product
Hence, the value that remains under the radical is 2
Read more about radical expressions at:
brainly.com/question/3008670
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a and c both have √x , so they will both be in brackets multiplied by √x.
b is the only term with √y so it will be outside of the brackets.
So the answer will be:
(a - c)√x + b√y
We can check this by expanding the brackets:
(a - c)√x + b√y
= a√x - c√x + b√y
We can rearrange this to get the same original expression:
a√x - c√x + b√y
= a√x + b√y - c√x
____________________________________
Answer:
Last option: (a - c)√x + b√y