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aleksandr82 [10.1K]
3 years ago
12

HELP MEE! WILL MARK BRAINLIEST, NEED ALL 4 ANSWERS

Mathematics
2 answers:
bazaltina [42]3 years ago
6 0

Answer:

1. 7 , 2. 4, 3. 29, 4. 71

Step-by-step explanation:

Kamila [148]3 years ago
6 0
Answer 1 is 7
answer 2 is 4
answer 3 is 29
answer 4 is 71

(i may be wrong...)
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There are 6 sixth graders , 7 seventh graders , and 8 eight graders entered in a contest.
fgiga [73]

Answer:

See below ~

Step-by-step explanation:

<u>P (6th grader)</u>

  • No. of 6th graders / Total students
  • 6 / 6 + 7 + 8
  • 6/21
  • 2/7

<u>P (6th grader after)</u>

  • No. of 6th graders - 1 / Total students - 1
  • 6 - 1 / 21 - 1
  • 5/20
  • 1/4

<u>Question 1 : P (Both 6th graders)</u>

  • P = P (6th grader) × P (6th grader after)
  • P = 2/7 x 1/4 = 2/28 = <u>1/14</u>

<u></u>

<u>Question 2 : P' (Both 6th graders)</u>

  • P' = 1 - P
  • P' = 1 - 1/14
  • P' = <u>13/14</u>
4 0
2 years ago
Read 2 more answers
Please help me with this one
Rasek [7]

Answer:

6 (2)^ = 6

6 (2)^2 = 24

a = 24

b = 6

y-intercept: (0,6)

y-intercept =

Step-by-step explanation:

6(2)^x

6 (2)^0 = 6 (a number ^0 = 1, 6 times 1 = 6)

6 (2)^2 = 6 x 4 = 24

8 0
3 years ago
Evaluate the expression 4b-6d if b=7 and d=3
Delicious77 [7]

Answer:

Step-by-step explanation:

4b - 6d = 4*7 - 6*3

            = 28 - 18

            = 10

4 0
3 years ago
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Rzqust [24]
She walked 7 miles. If it takes her one hour to walk four miles, then it will take 45 minutes to walk 3 miles.
8 0
3 years ago
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Dmitrij [34]
A full rotation is 360 degrees, if the fan moves 75 degrees (360-75) the fan will have a total of 285 degrees left too rotate in order to make a single, full rotation.
8 0
3 years ago
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