Answer:
a) 7/4 b) 15/2
Step-by-step explanation:
a) Scale Factor = Image / Object
Take the side of Triangle ABC that's BC Why? Because it corresponds with the Image Triangle ADE's DE
= 21/12 = 7/4
b) 7/4 = 10+ x / 10
Cross Multiply
= 4 ( 10 + x ) = 70
= 40 + 4x = 70
= 4x = 70-40
= 4x = 30
= 4x/4 = 30/4
x = 15/2
Answer:
b) 95
Step-by-step explanation:
equation:
3 x 30 + 5
solve:
3 x 30 + 5 = 95
Answer:
isosceles triangle, base 5 cm, height 8 cm
Step-by-step explanation:
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Answer:
20 minutes
Step-by-step explanation:
divide 40 by 8 to find how much percentage would get done in 1 minute
you should get 5% per minute
divide 100% by 5% to see how many minutes it would take to complete one whole download
you should get 20 minutes
