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:
Therefore the correct option is b.) $1.15
Step-by-step explanation:
i) the book is 10 days late
ii) there is one day grace
iii) on the second day there is a fine of $0.25
iv) on the third day there is a fine of $0.20
v) for each of the remaining 7 days there is a fine of $0.10 for each day
therefore the total fine for the remaining seven days is = 7 $0.10 =
$0.70
vi) therefore the total fine for the book is = $0.25 + $0.20 + $0.70 = $1.15
Therefore the correct option is b.) $1.15
Answer:
a)+8x+15
b)-x-20
Step-by-step explanation:
a) (x+3)(x+5)
a)+5x+3x+15
a)+8x+15
b) (x+4)(x-5)
b) -5x+4x-20
b)-x-20
Answer:
x=1 -3(1+4)=-15
Step-by-step explanation:
-3(x+4)=-15
---------------
-3 -3
x+4= 5
-4=-4
x=1
That should be right
Answer:
Step-by-step explanation:
we know that
The surface area of the square pyramid is equal to the area of the square base plus the area of its four triangular faces
so
we have
substitute