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abruzzese [7]
3 years ago
6

Billy bought 59+45.87+131.39 how much did he spend .

Mathematics
2 answers:
ira [324]3 years ago
5 0

Answer: $236.26

Step-by-step explanation:

Kisachek [45]3 years ago
3 0
The answer is 236.26
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Solve a=v/t for v<br> NEED HELP ASAP!!!
Sergeu [11.5K]

Answer:

v = at

Step-by-step explanation:

you need to cross multiple

3 0
3 years ago
jill has $9.96 in nickles,pennies, and dollar bills. she has 12 more pennies than nickles and fove fewer dollar bills than nickl
AleksandrR [38]
Number of pennies:P
Number of nickels:N
Number of dollar bills:D
P=N+12
N=D+5
1P+5N+100D=996
^given
Therefore 
P=(D+5)+12
P=D+17
Plug back into main equation
(D+17)+5(D+5)+100D=996
Combine like terms 
106D+42=996
106D=954
D=954/106=9

9 Dollar bills

N=D+5
N=(9)+5=14

14 Nickels

P=N+12
P=(14)+12=26

26 Pennies

26*1+14*5+9*100=996

Final answer:
9 Dollars
14 Nickels
26 Pennies
8 0
4 years ago
Help, please!!! Quick! If 2 answers I will vote one brainliest!
Anna007 [38]

Answer:

37

Step-by-step explanation:

180 - 45 - 98 = 37

5 0
3 years ago
Read 2 more answers
I need help with all except graph on first question please! Work shown or not doesn’t matter
Jobisdone [24]

Answer:

y = 7/5x + 18/5

Step-by-step explanation:

so we have y = mx + b

f(1) = 5

f(-4) = -2

so let's find b

so like if you do (5 - (-2))/(1 - (-4)) you get (5 + 2)/(1 + 4) = 7/5

y = 7/5x + b

so now we can plug in a value like f(1) = 5

5 = (7/5)1 + b

b = 18/5

5 0
3 years ago
A box with a square and a closed top must have a volume of 125 cubic inches. Find the dimensions of the box that minimize the am
attashe74 [19]
If a box has a square base its volume will be:

V=hb^2  where h is the height...

h=V/b^2  we are told that V=125 so

h=125/b^2  now for the surface area, which consists of the two bases for a total of 2b^2.  It will also have four sides with a total area of 4(bh)=4bh so

A=2b^2+4bh, using h found above in this gives us:

A=2b^2+4b(V/b^2)

A=2b^2+4V/b

A=(2b^3+4V)/b, then taking the derivatives we can find the velocity of the area function.

dA/db=(6b^3-2b^3-4V)/b^2

dA/db=(4b^3-4V)/b^2

dA/db=0 when 4b^3-4V=0

b^3=V

b=V^(1/3), since V=125

b=5in, and since h=V/b^2

h=125/25=5in

So the dimensions that will minimize the amount of material used to enclose a volume of 125in^2 is a 5in cube.

h=b=5in
8 0
3 years ago
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