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Answer:
x=sqrt(y+2), -sqrt(y+2)
Step-by-step explanation:
y=x^2-2
x^2=y+2
x=sqrt(y+2), -sqrt(y+2)
4y + 5+ 3y
The coefficients would be 4 and 3 because they have a variable after them and the constant would be 5.
Ok, so let
x = the money that Torrance intends to spend on his brother.
x + 10 = the money Torrance intends to spend on his sister
6 + 2(x + 10) = the money Torrance intends to spend on his mother
So Torrance has $100 to spend.
Let's use all of this information and set up an equation.
x + x + 10 + (6 + 2(x + 10)) = 100
2x + 10 + 6 + 2x + 20 = 100
4x + 36 = 100
-36 -36
______________
4x = 64
Divide 4 on both sides.
You get $16.
He intends to spend $16 on his brother.
Answer:
The number of children's tickets bought was 300 and the number of adult tickets bought was 700
Step-by-step explanation:
Let
x ----> the number of children's tickets bought
y ----> the number of adult tickets bought
we know that
-----> equation A
-----> equation B
Solve the system by substitution
substitute equation A in equation B
solve for x
<em>Find the value of x</em>
therefore
The number of children's tickets bought was 300 and the number of adult tickets bought was 700