Answer:
y=7.5
Step-by-step explanation:
y=
2*1.5ˣ+3=
substitute 2 for x
2*1.5²+3=
2*2.25+3=
4.5+3
y=7.5
Answer:
about 41.14 pages per day
Step-by-step explanation:
She wants to read 576 pages in 14 days
Take the number of pages and divide by the number of days
576/14=41.14285714 pages per day
Answer:
Step-by-step explanation:
The problem statement tells us ...
8x = y +3
7x = y -4
Subtracting the second equation from the first gives ...
x = 7
Then ...
y = 7x +4 = 7·7 +4 = 53
There are 7 people, and 53 coins are required for purchase.
in decimal form it is 45.2
in exact form it is 32 squareroot 2
Answer:

Step-by-step explanation:
The total surface area of a cone is given by :

Put r = 2r and l = 2l in the above formula

Hence, the total surface area of the cone is
.