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3 years ago

Answer fast PLEASE!!! :)

Mathematics

1 answer:

PSYCHO15rus [73]3 years ago

5 0

Answer:

i would say... maybe a or c

Step-by-step explanation:

im not sure

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5. If circle A. AB=DE B. BC=DE C. CF AE D. BFC = DFC

notka56 [123]

First option is correct. AB=DE

6 0

3 years ago

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Please help with my math i took a picture of it

Fynjy0 [20]

Answer:

40°

Step-by-step explanation:

Supplementary angles add up to 180°. Complementary angles add up to 90°.

m∠1 + m∠2 = 180°

115° + m∠2 = 180°

m∠2 = 65°

m∠2 + m∠3 = 90°

65° + m∠3 = 90°

m∠3 = 25°

m∠2 − m∠3 = 65° − 25° = 40°

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3 years ago

Convert 720 hours into days. Explain.

Ganezh [65]

30 days

Step-by-step explanation:

720/24

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3 years ago

How many 100 dollar bills make 2324 dollars

Nikolay [14]

Answer: 24 $100 bills, even though this will add up to more than 2324 dollars, it is the amount needed to cover the price

Step-by-step explanation: divide 2324 dollars by 100

4 0

3 years ago

Margie is practicing for an upcoming tennis tournament. Her first serve is good 20 out of 30 times on average. Margie wants to k

mojhsa [17]

Answer:

0.6804

Step-by-step explanation:

Given that Margie is practicing for an upcoming tennis tournament. Her first serve is good 20 out of 30 times on average.

Since each trial is independent and there are two outcomes, X no of good serves is binomial with n=6 and p =2/3

Required probability

= Prob that atleast four of 6 times good serve

= $P(X\geq 4)$

= $P(x=4,5 or 6)\\=1-F(3)\\=0.6804$

Formula used:

P(X=r) = $6Cr (\frac{2}{3}^r )(\frac{1}{3}^{6-r} )$

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3 years ago

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