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3 years ago

PLEASE HELP WITH THE SECOND QUESTION! I'LL MARK BRAINLIEST!

Mathematics

1 answer:

lisabon 2012 [21]3 years ago

6 0

Answer:

For question #2 about Teresa, it would cost her $1,004.80 to fence all around the circle garden.

Step-by-step explanation:

C = 2πr

C = 2 x 3.14 x 8

C = 50.24 ft.

50.24 x $20 = $1,004.80

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There are eight students in a class. Only one of them has passed Exam P/1 and only one of them has passed Exam FM/2. No student

Svetach [21]

Answer: There is probability of 0.57 chances that exactly three students from a group of four students have not passed Exam P/1 or Exam FM/2.

Step-by-step explanation:

Total number of students = 8

Number of student who has passed Exam P/1 = 1

Number of student who has passed Exam FM/2 = 1

No student has passed more than one exam.

According to question, exactly three students from a randomly chose group of four students have not passed Exam P/1 or Exam FM/2.

So, Probability will be

$\frac{^6C_3\times ^2C_1}{^8C_4}\\\\=\frac{20\times 2}{70}\\\\=\frac{4}{7}\\\\=0.57$

Hence, there is probability of 0.57 chances that exactly three students from a group of four students have not passed Exam P/1 or Exam FM/2.

4 0

3 years ago

How can I solve these problems

KATRIN_1 [288]

Answer:

Step-by-step explanation:

Easy the three angles of a triangle equal 180 degrees

so 60+75 = 135 --> 180-135=

1) 145

2) 35

3) no since the tops a 100 and its a Isosceles triangle two corners left it be 40 for each corner

4) 34 for both x's cause 34+34+112. = 180

5) 180- 120= 60- 10 = 50/4 is (12.5)= x

6) x = 15 cause it be 120- 60 to get 60

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3 years ago

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At a local river there were 48 alligators laying on the riverbank. if 5/6of the alligators were sleeping how many were awake

qaws [65]

8 alligator because is u divide 48/5 you get 40 and the remaining that r awake is 8

7 0

3 years ago

2a^(2) – (4b + c); a = –3, b = –2, and c = 1

vfiekz [6]

Answer:

= 25

Step-by-step explanation:

2 (-3)^2 - (4(-2) + 1)

2 (9) - (-8 + 1)

18 - (-7)

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3 years ago

You are randomly selecting cards from a deck of cards. What is the probability of pulling a king, replacing it, and then pulling

kotykmax [81]

Answer:

1/52 since there are usually 52 cards in a deck

Step-by-step explanation:

Please brainliest

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3 years ago

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