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3 years ago

Give A ={a,b,c} and B = {c, a}, which of the following is not true

Mathematics

1 answer:

Alborosie3 years ago

8 0

Answer:

The second one

Step-by-step explanation:

B c A

Because B has c and a, which is part of A (A={a, b, c})

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3 years ago

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3 years ago

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2 years ago

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PLSS HELP

Dmitry [639]

Answer:

$8,000

Step-by-step explanation:

Let the store earned $x in December.

Therefore,

Money spent to buy new inventory $=\frac{1}{4} x$

Remaining money $= x - \frac{1}{4} x =\frac{3}{4} x$

Money used to pay bills $=\frac{1}{2} \times \frac{3}{4} x=\frac{3}{8} x$

Money still left over = $3,000

Total money earned in December $= \frac{1}{4} x+ \frac{3}{8} x+3,000$

$\therefore x= \frac{1}{4} x+ \frac{3}{8} x+3,000$

$\therefore x= \frac{2}{8} x+ \frac{3}{8} x+3,000$

$\therefore x= \frac{5}{8} x+ 3,000$

$\therefore x- \frac{5}{8} x=3,000$

$\therefore \frac{8x-5x}{8} =3,000$

$\therefore \frac{3x}{8} =3,000$

$\therefore x =3,000\times \frac {8}{3}$

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Thus, total money earned in December is $8,000.

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3 years ago

Timothy's swim practice started at

Lynna [10]

Answer:

1 hour and 15 minutes

Step-by-step explanation

There are 60 minutes in an hour. Add 15 minutes to get to 3:00 pm. From 3:00 pm to 4:00 pm is 1 hour. 15 minutes + 1 hour is 1 hour and 15 minutes

Hope this helps!

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1 year ago