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slega [8]
2 years ago
5

Last Sunday a certain store sold copies of Newspaper A for $1.00 each and copies of Newspaper B for $1.25 each, and the store so

ld no other newspapers that day. If r percent of the store’s revenues from newspaper sales was from Newspaper A and if p percent of the newspapers that the store sold were copies of newspaper A, which of the following expresses r in terms of p?
A. 100p(125–p)100p(125–p)
B. 150p(250–p)150p(250–p)
C. 300p(375–p)300p(375–p)
D. 400p(500–p)400p(500–p)
E. 500p(625–p)
Mathematics
1 answer:
Artemon [7]2 years ago
5 0
Answer is b 150p(250-p)150p(250-p
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Hunter-Best [27]

Answer:

Standard\ Form = {3n^2} m^{-2}

Step-by-step explanation:

Given

\frac{2}{3m^2n} * 4.5n^3

Required

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Multiply Like terms

Standard\ Form = \frac{9 * n^3}{3 * m^2 * n}

Divide 9 by 3 to give 3

Standard\ Form = \frac{3 * n^3}{m^2 * n}

Divide n³ by n to n²

Standard\ Form = \frac{3 * n^2}{m^2 }

Split fraction

Standard\ Form = {3 * n^2} * \frac{1}{m^2 }

From laws of indices;

\frac{1}{a^n} = a^{-n}

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Standard\ Form = {3 * n^2} * m^{-2}

Multiply all together

Standard\ Form = {3n^2} m^{-2}

5 0
3 years ago
How many solutions does the system of equations have?
sertanlavr [38]
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joe is in debt $250, but he's saving $30 each month. using the equation, y=30x-250, how long will it take joe to have $230?
Vsevolod [243]

Answer:

16

Step-by-step explanation:

so in this equation we have 2 variables, and we must figure out what those variables mean:

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as y is the total amount of money joe has we need to substitute it for 230 to figure out how long it took for joe to recieve that much money

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3 years ago
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Answer:

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Cost of ingredients:  

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Step-by-step explanation:

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Answer:

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