<span>The y variable has the same coefficient so use elimination (subtract equations).
-2x = 8 - 6y
-(-15x = 21 - 6y)
------------------------
13x = -13 + 0
x = -1
Use this to find y in either equation. </span>
<span>-2(-1) = 8 - 6y
2 = 8 - 6y
2 - 8 = -6y
-6 = -6y
y = 1
(x,y) = (-1, 1)
</span>
Answer:
27/ (4 x^6 y^8)
Step-by-step explanation:
4(3x^2y^4)^3/(2x^3y^5)^4
expand
4 (3^3 x^2^4 y^4^3) / (2^4 x^3^4 y^5^4)
power of the power rule , exponents to the power are multiplied
4 (3^3 x^(2*4) y^(4*3) / (2^4 x^(3*4) y^(5*4))
4 (27 x^(8) y^(12) / (16 x^(12) y^(20))
put like terms over each other
4 * (27/16) * x^8/x*16 * y^12/y^20
when dividing exponents , we subtract the powers
27 * 4/16 * x^ (8-14) * y^ (12-20)
27* 1/4 * x^(-6) * y^ (-8)
27/4 * x^(-6)(y)^ (-8)
negative terms go to the denominator
27/ (4 x^6 y^8)
Hello, the measure of T is 34 when you round it to the nearest tenth
Answer:
15
Explanation:
In order to multiply, put a 1 under 12 (12/1)
Multiply straight across
5 x 12/4 x 1
60/4 (simplify it)
and boom! 15/1 or 15
15 is the factor
15 - 1 , 3, 5 , 15
45 - 1 , 3, 5, 9, 15, 45
90 - 1, 3, 5, 6, 9, 10, 15, 30, 90
