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3 years ago

9/40 in simplest form?

1 answer:

7 0

Hello! To simplify a fraction, you need to divide both the numerator and denominator by a common number. 9/40 is already in simplistic form, as there is no number that the numerator and denominator can both be divided by. Just write that it is already in simplified form, 9/40. Hope this helps! :)

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How many grams of a 10% cream must be mixed with 2% cream to prepare 60 grams of a 5% cream?

Blizzard [7]

Answer:

22.5 grams of 10% cream is mixed with 37.5 grams of 2 % cream to prepare 60 grams of 5% cream.

Step-by-step explanation:

Let x grams of 10% cream is mixed with y grams of 2 % cream to prepare 60 grams of 5% cream.

So, x + y = 60 ............ (1) and

$x\times \frac{10}{100} + y \times \frac{2}{100} = 60 \times \frac{5}{100}$

⇒ 10x + 2y = 300

⇒ 5x + y = 150 ............ (2)

Now, solving equations (1) and (2) we get,

4x = 150 - 60 = 90

⇒ x = 22.5 grams

So, y = 60 - x = 37.5 grams. (Answer)

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3 years ago

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Varvara68 [4.7K]

Answer:

1,3,4

Step-by-step explanation:

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3 years ago

The function c=6t+8 represents the cost(c) for the T-shirts(t) plus shipping.

yan [13]

Answer:

Dependent: Cost

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Step-by-step explanation:

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4 years ago

Please help lots of points

docker41 [41]

Answer:

see below

Step-by-step explanation:

The area is given by

A = l*w

A = (4x-1) ( 3x+6)

FOIL

first 4x*3x =12x^2

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Add together

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3 years ago

Read 2 more answers

Katalin drove 300 miles on her vacation. She drove an average of 1.9 times faster on the second 150 miles of her trip than she d

xxTIMURxx [149]

Katalin drove 300 miles on her vacation. She drove an average of 1.9 times faster on the second 150 miles of her trip than she did on the first 150 miles of her trip. Which expression represents the time she spent driving? Let x = her speed on the first half of the trip.

228.95x

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2 years ago

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