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3 years ago

9

Two computers just scanned for viruses at the same time. Computer A runs a virus scan every 2.75 days. Computer B runs a virus s

can every 3.5 days.

1 answer:

worty [1.4K]3 years ago

7 0

Is that the whole question?

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In triangle ABC, AB = 11 cm, BC = 9 cm and CA = 10 cm.<br> Find the area of triangle ABC.

max2010maxim [7]

Answer:

Area = 42.43 square cm

Step-by-step explanation:

Using Heron's Formula :

$Area = \sqrt{s\times (s-a) \times (s-b) \times(s -c)} \ , \ where \ s \ =\ \frac{a+ b+ c}{2}$

<em><u>Find Area :</u></em>

<em><u></u></em>

$s = \frac{11 + 9 + 10 }{2} = \frac{30}{2} = 15$

$Area = \sqrt{15 \times ( 15 - 11 ) \times { (15 - 9 ) \times ( 15 -10)}\\\\$

$= \sqrt{15 \times 4 \times 6 \times 5}\\\\=\sqrt{1800}$

$= 42 . 43 \ cm^2$

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2 years ago

Please help I don't understand i'm in the lowest class?

Anna71 [15]

Answer:

Step-by-step explanation:

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2 years ago

Find the point on the line <br> y = 2x + 3<br> that is closest to the origin.

Ludmilka [50]

I believe the answer is (-1,1) . The origin is the same as (0, 0) so I drew the line on a quick graph and if you are talking about distance, then the answer should be correct.
Hope this helped :)

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3 years ago

Please help me with these problems if you can :>

IrinaK [193]

Answer:

its not letting me look

Step-by-step explanation:

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2 years ago

Read 2 more answers

Landon has 9 comic books and 33 chapter books.How many books does Landon have?

Dvinal [7]

Answer:

He has 42 books in total.

Step-by-step explanation:

You add 9 + 33 to get 42. 3 plus 9 is 12, so the 1 is carried over to the other 3. Add those together to get a sum of 42.

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3 years ago