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ehidna [41]
4 years ago
15

THIS IS A MATH PROBLEM BUT SAYING IT IN MY OWN WORDS!?!

Mathematics
2 answers:
Strike441 [17]4 years ago
5 0
927 is your answer 10.3*90 use a calculator brainliest answer me
Paladinen [302]4 years ago
5 0
Well, then I'm guessing you're only feeding 90 of them since 10 of the dogs are sleeping. If so, then set up a proportion:

\frac{number of dogs}{amount of food}

\frac{100}{10.3}

A proportion is a two fractions set equal to eachother. So, the second fraction will be the number of dogs over x. X will be the amount of food the dogs will get.

\frac{90}{x}

Set the two equations equal to eachother

\frac{100}{10.3} =  \frac{90}{x}

To solve a proportion, cross multiply

100 x X = 100x

90 x 10.3 = 927

100x = 927

Divide 100

x = 9.27

So, the dogs will receive 9.27 of food
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Ostrovityanka [42]

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Step-by-step explanation:

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From 4a + 7b - 12c subtract 8a - 9b + 12d.
ollegr [7]

Answer:

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Step-by-step explanation:

Given:  From 4a + 7b - 12c subtract 8a - 9b + 12d.

We are given two algebraic expression. We can add/subtract only the like terms.

(4a + 7b  -12c) - (8a -9b +12d)

Now we have distribute the negative sign inside the second expression (8a -9b +12b). If we do, the sign changes.

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Now we can combine the like terms

= (4a - 8a) +(7b + 9b) -12c -12d

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