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2 years ago

Please hElp!! I don't know how to do this!!!

Mathematics

1 answer:

pishuonlain [190]2 years ago

7 0

150 more male bats need to be tagged

if you want 2/5 to be female you divide the 260 (<160+100) by 2 to get 130
then you multiply 130 by 3 to get the total amount of male bats that need to be tagged
130*3=390
then you subtract 240 from the 390 to find out how many more bats need to be tagged
390-240=150

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andre [41]

Answer with Step-by-step explanation:

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2 years ago

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1 year ago

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AnnyKZ [126]

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Angle BCA is the supplement of BCD, so 180-109 = 71.

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Let's see if we can get that in the format they want, kind of as a proof.

1. ∠BCD=109° Reason: Given

2. AB ≅ BC Reason: Given

3. ∠BCA = 71° Reason: Linear pairs are supplementary

4. ΔABC is isosceles. Reason: Definition of isosceles

5. ∠A ≅ ∠BCA Reason: Isoceles triangle theorem

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See the diagram below.

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