Answer:
255:350
250/350
5/7
Hence, the ratio of boys to girls is 5:7
Answer: x4+13x2+36=0
Step-by-step explanation:
Let's solve your equation step-by-step.
x4+13x2+36=0
Step 1: Factor left side of equation.
(x2+4)(x2+9)=0
Step 2: Set factors equal to 0.
x2+4=0 or x2+9=0
Answer:
yes
Step-by-step explanation:
5x4=20
3x4=12
they are equivalent as they are both being multiplied by the same number (4)
Answer:
Step-by-step explanation:
So given x=-1, you can substitute it for x in the second equation.
-8(-1)+y=14
y+8=14
y=6
So the solution is (-1,6)