Answer:
negative 21/9 times negative 18/7 is 6
Step-by-step explanation:
The phrase negative 21/9 times negative 18/7 can be written mathematically as

Lets first convert the fractions into decimal values
= -2.33
= -2.57
Now on simplyfying
=>
=> 5.988
=>6 (rounding off)
We will get a positive value because the multiplicative law states that the product of two negative number is positive
Answer:
Step-by-step explanation:
Distance traveled in
hours = 
Distance traveled in 1 hour =
÷ 
÷ 

distance traveled in 3 1/5 hours = 
=
Answer:
A
Step-by-step explanation:
treat the problem as an equation and solve for n, it is 4
Answer:
20.6155281 (round if ya want)
Step-by-step explanation:
Pythagorean Theorem
a^2 + b^2 = c^2
a = 16
b = 7 + 6 (13)
c = x
-1/4*x^2-x+3=-1/4*(x^2+4x)+3=-1/4*(x^2+4x+4)+4=-1/4*(x+2)^2+4
x0=-2