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Charra [1.4K]
3 years ago
9

Solve the system of equations 3r – 4s = 0 and 2r 5s = 23.

Mathematics
1 answer:
UkoKoshka [18]3 years ago
3 0
this is when its solved: r=4, s=3}
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A wallet is originally $11.00. With a 40% discount, what is the sales price? Show your work.
NeX [460]

Answer:

$6.6

Step-by-step explanation:

you want to find out what 40% of the original price is ($11)

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to get 40% you times it by 4

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you then have to take away the sale reduction from the original

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A shop keeper has offered an item for sale. Its label price is Rs . It is not sold in one-month period and after one month its l
BigorU [14]

Answer:

x = Rs 20,833.33

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Step-by-step explanation:

Let x,y and z represent the price of the item initially, after one month and after two months respectively.

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y = x - 20% of x

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after 2 months its reduced price is further reduced by 10% and then sold it for Rs 15000.

z = y - 10% of y

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z = 0.90y ........2

Substituting equation 1 into 2;

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z = 0.72x

Also z = Rs 15000

So,

z = 0.72x = Rs 15000

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x = Rs 15000/0.72

x = Rs 20833.33333333

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3 years ago
Which equation does the model below represent?
qwelly [4]

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Step-by-step explanation:

Choices A and B are the only true mathematical statements. Of those, choice A seems to best match the model, where each small square represents 0.01 units.

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What is the solution of the system for 1-3?
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Step-by-step explanation:

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