Answer:
x = y = 1,1
Step-by-step explanation:
x - y = 0 => x = y
3x + 7y = 11 => 3x + 7x = 11 <=> 10x = 11 <=> x = 1,1
=> y = 1,1 (because x = y)
H(x)=(x-5)^2-6x
h(-4)=(-4-5)^2-6(-4)
=(16+25)+24
=41+24
h(-4)=65
Answer:
x = 25 ft
Step-by-step explanation:
here we see the student standing and creating a small triangle that is equivalent to the big triangle since it has the same angles, the only difference is that its smaller, so what we have to do is make a proportion of both triangles, so since 8 ft correspond with the 40 ft they're going to be in the same part of the proportion and the other measurements, including x, on the other part, so itll be 5/8 and x/40, see how the 8 and 40 are both on the bottom? thats because they correspond, so now all you have to do is cross butterfly, so you can set up an expression on 8x= 5*40 or you can just multiply 5*40 and then divide by 8, your answer will be x= 25 ft
Answer:
x = 30
Step-by-step explanation:
by solving ;
- 18 / x = 6 / 10
- 1 / x = 6 / ( 18 × 10 )
- 1 / x = 6 / 180
- 1 / x = 1 / 30
- x = 30