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2 years ago

Leona spent 5/8 of 2/3 of her allowance on magazines. What fraction of her total allowance did

Mathematics

1 answer:

PIT_PIT [208]2 years ago

4 0

Answer:

leona spent 5/12 of her allowance

she had 1-5/12=7/12

please mark the brainliest

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In mathematics given that x=L2-L1/L1(O2-O1).

Assoli18 [71]

Answer:

1. L1 = $\frac{L2}{X(O2 -O1)}$

2. O2 = $\frac{L2 - L1(1 + XO1)}{XL1}$

Step-by-step explanation:

Given: x = $\frac{L2 - L1}{L1(O2 -O1)}$

1. To make L1 the subject of formula;

x = $\frac{L2 - L1}{L1(O2 -O1)}$

cross multiply to have;

L2 - L1 = xL1(O2 - O1)

collect like terms,

L2 = xL1(O2 - O1) + L1

factorize the right hand side;

L2 = L1[x(O2 - O1)]

L1 = $\frac{L2}{X(O2 -O1)}$

2. To make O2 the subject of formula;

x = $\frac{L2 - L1}{L1(O2 -O1)}$

cross multiply to have;

L2 - L1 = xL1(O2 - O1)

open the bracket to have;

L2 - L1 = xL1O2 - xL1O1

⇒ xL1O2 = L2 - L1 + xL1O1

O2 = $\frac{L2-L1 + XL1O1}{XL1}$

= $\frac{L2 - L1(1 + XO1)}{XL1}$

4 0

2 years ago

PLS HELP ME PLS ITS DUE

blondinia [14]

C) 3y(2y+9)

Step-by-step explanation:

you have to divide 6 and 2 then you have to use a factor of 27 to get 9.

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2 years ago

4x+5>49<br> what is the answer to this

Illusion [34]

Answer:

any big number

Step-by-step explanation:

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2 years ago

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3x + 8y = 85 7x -2y =33 (solve the following equations)

Stella [2.4K]

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x or y ?

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2 years ago

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The cafeteria can serve 32 lunches in 5 minutes. How long will it take them to serve 57 lunches?

PolarNik [594]

Answer:

Around 364

Step-by-step explanation:

So to fund the answer, you need to find how much they can eat per minute: 32/5 = 6.4 (around 6 lunches)

Then you multiply this by 57: 57x6.4 = 364.8

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2 years ago