Answer:
(a) $1.32 per pen.
Step-by-step explanation:
(a) The total amount, $31.68, distributed amongst 24 pens, equates to each pen costing a total of $(31.68/24) = $1.32 per pen.
(b) The total amount of money which Mia will have to spend on pens this yeah is $(1.45*30) = $43.5, which is $11.82 more than $31.68. Therefore, Mia will need to spend $11.82 more on pens this year.
Hope this helped!
Answer:
12.56 in squared
Step-by-step explanation:
the formula for area is radius x radius x pi
So you do 2x2x3.14
(I would just do 4x3.14)
And then you get 12.56
Answer:
4/7
Step-by-step explanation:
5/7 x (1/5+3/5) = 5/7 x 4/5 = 4/7
Answer:
9-4i²
Step-by-step explanation:
(3-2i)(3+2i)
Use the FOIL method for this.
First: 9
Outer: 6i
Inner: -6i
Last: -4i²
9+6i-6i-4i²=
9-4i²
X would equal = 3 because -
+ 8 x 3 = 33.
9 + 24 = 33.
Hope this helps (:
