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Zielflug [23.3K]
3 years ago
12

3 1/2 minus 4 2/5 . . . .

Mathematics
2 answers:
xeze [42]3 years ago
5 0

Answer:

-9/10

Step-by-step explanation:

negative nine tenths

rjkz [21]3 years ago
5 0

Answer: -\frac{9}{10}\quad \left(\mathrm{Decimal:\quad }\:-0.9\right)

Step-by-step explanation:

3\frac{1}{2}-4\frac{2}{5}

=\frac{7}{2}-4\frac{2}{5}

=\frac{7}{2}-\frac{22}{5}

=\frac{35}{10}-\frac{44}{10}

=\frac{35-44}{10}

=\frac{-9}{10}

=-\frac{9}{10}

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Ber [7]

Answer:

5

Step-by-step explanation:

3+5+6+2+9=25

25/5=5

7 0
3 years ago
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A rancher’s herd of 250 sheep grazes over a 40-acre pasture. He would like to find out how many sheep are grazing on each acre o
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sample 3:9

Step-by-step explanation:

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4 0
3 years ago
mrs. li bought some crackers. she gave 30% of the crackers to her neighbor and ate 50% of the remaining crackers. mrs. li had 42
snow_tiger [21]
<u><em>Answer:</em></u>
She bought 120 crackers

<u><em>Explanation:</em></u>
Assume that the number of crackers she originally bought was x

We know that she gave her neighbor 30% of the crackers.\This means that:
amount left with her = x - 30%x
amount left with her = x - 0.3 x
amount left with her = 0.7x crackers

Now, we know that she ate 50% of that amount.
This means that:
she ate 50%(0.7x) = 0.5(0.7x) = 0.35x crackers
amount left with her = 0.7x - 0.35x = 0.35x crackers 

<u>Finally,</u> we know that the number of crackers left with her is 42 crackers.
<u>This means that:</u>
0.35x = 42
x = \frac{42}{0.35}
x = 120 crackers

Hope this helps :)
5 0
3 years ago
Janet is retiring after working for a major department store for 20 years. The company offered her a flat retirement benefit of
12345 [234]

Answer:

$1000

Explanation:

If the employee has worked there for 20 years and for every year its 50 dollars. That would mean its 50x20 which eqauls 1000.

8 0
2 years ago
The equation is solved. Describe the property used in each solution. Negative two-thirds a = 8. Negative two-thirds a (negative
posledela

Answer:

The correct answer:

multiplication property of equality

division property of equality

Step-by-step explanation:

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7 0
3 years ago
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