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3 years ago

7

By increasing the list price of a book by ₹10 a person can buy a 10 books less for ₹1200 Find the original list price of the boo

k. ( form Quadratic equation for the question)

1 answer:

Anarel [89]3 years ago

6 0

Answer:

cwbmwl2h2h2jl2bcek2k3cgwkel

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2 3/8 - 4 1/2 + 3 1/8 - (1/2)

UkoKoshka [18]

let's convert the mixed fractions to improper fractions firstly.

$\bf \stackrel{mixed}{2\frac{3}{8}}\implies \cfrac{2\cdot 8+3}{8}\implies \stackrel{improper}{\cfrac{19}{8}}~\hfill \stackrel{mixed}{4\frac{1}{2}}\implies \cfrac{4\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{9}{2}} \\\\\\ \stackrel{mixed}{3\frac{1}{8}}\implies \cfrac{3\cdot 8+1}{8}\implies \stackrel{improper}{\cfrac{25}{8}} \\\\[-0.35em] ~\dotfill$

$\bf \cfrac{19}{8}-\cfrac{9}{2}+\cfrac{25}{8}-\cfrac{1}{2}\implies \stackrel{\textit{using an LCD of 8}}{\cfrac{(1)19-(4)9+(1)25-(4)1}{8}}\implies \cfrac{19-36+25-4}{8} \\\\\\ \cfrac{4}{8}\implies \cfrac{1}{2}$

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3 years ago

3. If the expression 3x +10 is equal to 6 for some value of x, then what is the value of 3x+2 equal to for the same value of x?

Arada [10]

Answer:

-2 might be wrong

Step-by-step explanation:

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3 years ago

It takes 12 hours for a single hose to fill a large vat. When a second hose is added, the vat can be filled in 4 hours.

sveticcg [70]

The answer is 3 because you divide 12 and 4

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What does this mean

Airida [17]

Answer:

it means to add all of the numbers then divide by how many there are

so, 3+3+5+5+5+7+7+8+15+15=73

73/10=7.3

hope this helped!!

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3 years ago

Jim's bill at the restaurant was $52.28. He left a tip 20%. what was the tip amount (nearest penny) and what was the total bill

tatiyna

The answer is $10.46

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