sophiaa23
28.01.2020 •
Mathematics
Ali yahoo had $24 to spend on se ven pencils. after buying them she had $10. how much did each pencil cost?
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Ответ:
Ответ:
Ответ:
Step-by-step explanation:
FE=4+4=8
Altitude=3+3=6
area=1/2×FE×6=1/2×8×6=24 sq. units.
or
area=1/2×
I 1 3|
|-4 -3|
| 4 -3|
| 1 3|
=1/2[(-3+12)+(12+12)+(12+3)]
=1/2[9+24+15]
=1/2[48]
=24 sq. units