4 years ago

Another geometry question!

1 answer:

3 0

HL Theorem

Because the hypotenuse is shared between the two (they both share the same hypotenuse) and the long lengths are both marked congruent (which are both a leg).

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Katrina needs 3/5 kilogram of flour for a recipe. Her mother has 3/7 kilogram of flour in her pantry. Is this enough flour for t

almond37 [142]

No, if you convert 3/5 and 3/7 into like fractions, you would get 3/5=21/35 and 3/7=15/35 therefor, you will need 6/35 kilogram more flour.

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3 years ago

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Why did i get this wrong? What did i have to do to get the right answer?

aalyn [17]

Will u did your math wong

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3 years ago

When testing for current in a cable with sixsix color-coded wires, the author used a meter to test threethree wires at a time.

Virty [35]

Answer:

20 tests

Step-by-step explanation:

There are six different wires, and for each test the author picks three, this means that each test is a combination of three out of six wires (₆C₃) . The number of total combinations possible is given by:

$_6C_3=\frac{6!}{(6-3)!3!}\\_6C_3=\frac{6*5*4}{3*2*1}\\_6C_3=20$