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xxTIMURxx [149]
3 years ago
6

If 15 sandwiches are sold for 12 Rand what would 12 sandwiches be sold for​

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
5 0

Answer:

$9.60 for 12 sandwiches

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how do you do #3? if you can please take a picture or just explain the process, not just the answer. (i don’t need a super detai
oee [108]

Hello from MrBillDoesMath!

Answer:

z = 28 (y/x)

Discussion:

" z varies inversely with x and directly with y"  translates into

z = k * (y/x)                 (*)

Substituting x = 2, y = 3, z = 42  in (*) gives

42 = k (3/2)                        =>   multiply both sides by 2/3

42 (2/3) = k (3/2)(2/3)         =>  42(2/3) = 28; (3/2)(2/3) = 1

28 = k

Conclusion:

z = 28 (y/x)

 

Thank you,

MrB

5 0
3 years ago
Jerry had 1 gallon of ice cream. He used 4/10 gallon to make chocolate milkshake and 0.30 gallon to make vanilla milkshake. How
stiv31 [10]
0.30 is the same as 3/10 so then you would add 3/10 and 4/10 which equals 7/10 which then gives you with 3/10 ice cream left
3 0
3 years ago
(v+6)(v-6)=0 this is algebra 1 and factoring
Novay_Z [31]
First step to solve (v+6)(v-6)=0 is to use FOIL and dd the multiplication
v^2-6v+6v-36=0
v^2-36=0\  or v^2=36
we need to take the square root from both sides so
v=6 and v=-6
<span>v = {-6, 6}</span>
4 0
4 years ago
Read 2 more answers
Can someone help me please??
denpristay [2]
Yes I can help you what do you need.
3 0
3 years ago
At night, the temperature in the fall in lowa is 35°F. During the day, the temperature rises 23°F.
zubka84 [21]

Answer:

58˚F

Step-by-step explanation:

35 + 23 = 58

I hope this helps, have a nice day! :)

6 0
3 years ago
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