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Paraphin [41]
3 years ago
6

CAN SOMEONE HELP ME WITH THESE 3??? I NEED THEM SUPER BAD

Mathematics
2 answers:
stira [4]3 years ago
5 0

Answer:

Option B.5\sqrt{21}

Step-by-step explanation:

(x)^2=(CD)(CA)

=(21)(21+4)

=21 × 25

x=√21×25

x=5√21

hope it helps :)

professor190 [17]3 years ago
4 0

Answer:

D

Step-by-step explanation: if you see the weight times length and calulated it you'll get 64 or 84

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