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monitta
3 years ago
13

we have 10 computers ,2 don't work and your friend is using one. how many computers are free t ok use?​

Mathematics
2 answers:
andrey2020 [161]3 years ago
5 0
2+1=3 10-3=7
There are 7 free to use computers.
Misha Larkins [42]3 years ago
4 0
There are 7 able computers
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PLEASE HELP ASAP!!!!!!!!!!!
marusya05 [52]

Answer:(1) The correct option is b. (2) The correct option is c.

Explanation:

(1)

It is given that the △ABD≅△FEC.

So by (CPCTC) corresponding parts of congruent triangles are congruent.

\angle CFE=\angle DAB

It is given that the angle DAB is 63 degree.

\angle CFE=63^{\circ}

Therefore, the correct option is b.

(2)

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