2 years ago

100 points help with recursive function!

Mathematics

1 answer:

Allushta [10]2 years ago

6 0

Answer:

a. 20.25

Step-by-step explanation:

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sally has 20 coins in her piggy bannk, all dimes and quarters. the total amount of money is $3.05. how many of each coin does sh

VMariaS [17]

D=dimes
q=quarters

d + q = 20
.10d + .25q = 3.05

d=-q + 20

.10(-q + 20) +.25q = 3.05
-.10q + 2 + .25 = 3.05
.15q + 2 = 3.05
.15q + 2 - 2 = 3.05 - 2
.15q = 1.05
.15q/.15 = 1.05/.15
q = 7

d + 7 = 20
d + 7 - 7 = 20 - 7
d = 13

Sally has 7 quarters and 13 dimes.
Hope this helps!

5 0

3 years ago

A can of Pringles has a diameter of 3 inches, a volume of 77.72 inches^3, and a surface area of 117.75 inches^2. What is the hei

aev [14]

Answer:

Step-by-step explanation:

Look at the picture for the process.