Answer:
a. gradient 4
b. gradient 3
c. gradient 1
d. gradient 1
e. gradient -2
f. gradient 3
Step-by-step explanation:
to find y intercept substitute x to be 0
i.e y=3x
y=0
Formula of surface area of a sphere is 4
.
Hence it is 4
Answer:
12
Step-by-step explanation:
7x + 5(x + 3) + 4x + x + 2 =
= 7x + 5x + 15 + 4x + x + 2 = 17x + 17
105 coins
$10.75
20 nickels= $1
5 nickels= $0.25
10 dimes= $1
4 quarters= $1
90 dimes= $9
10 nickels=$0.50
5 quarters= $1.25
Totals: 105 coins $10.75
20 quarters= $5
30 dimes= $3
55 nickels= $2.75
Totals: 105 coins $10.75