Answer:
20
Step-by-step explanation:
Convert 80% into a decimal and multiply by 25
Convert 80% into a decimal form: 0.8
Multiply 0.8 by 25 = 0.8 x 25
Simplify 0.8 x 25
=20
Sorry if this answer is incorrect!
Answer:
45% round 55% rectangular
Answer:
C
Step-by-step explanation:
change decimetres into metres
length - 7.3m
Width - 4.2m
to find an area, do length times width
7.3 x 4.2 = 30.66 square metres
I hope this helped :)
Step-by-step explanation:
Substitute the y in the 1st equation with the 2nd equation.
7x + 10(2x + 9) = 36
7x + 20x + 90 = 36
27x + 90 = 36
3x + 10 = 4
3x = -6
x = -2
So now we can find y.
y = 2x + 9 = 2(-2) + 9 = (-4) + 9 = 5.
So x = -2, y = 5.
