Step-by-step explanation:
which one do u want me to do first ? and
Answer:
-8 & -7
Step-by-step explanation:
-8+-7=-15
-8*-7=56
Answer:
Option D doesn't make any sense.
Step-by-step explanation:
D) 7 hours of sleep correspond to an age of 19 years.
That is wrong.
If we use the expression provided
hours = 8 + 0.5*(18 -age)
hours = 8 + 0.5*(18 -19)
hours = 8 + 0.5*(-1)
hours = 7.5
3. 14 you can't round it it's already rounded
STEP
1
:
1
Simplify —
x
Equation at the end of step
1
:
1 1
— - —
9 x
STEP
2
:
1
Simplify —
9
Equation at the end of step
2
:
1 1
— - —
9 x
STEP
1
:
1
Simplify ——
x2
Equation at the end of step
1
:
1 1 1 1
(—-—) ÷ (——-——)
9 x 81 x2
STEP
2
:
1
Simplify ——
81
Equation at the end of step
2
:
1 1 1 1
(— - —) ÷ (—— - ——)
9 x 81 x2
(9x)/(x+9)-:(x-9)/(9x)
