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Ede4ka [16]
3 years ago
14

I NEED HELP ASAP 6th GRD WORK HELPPP

Mathematics
1 answer:
tatuchka [14]3 years ago
3 0

Answer:

28cm

Step-by-step explanation:

A=a+b

2h=4+10

2·4=  28cm

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In a freshman class of 80 students,22 students take Consumer Education,20 students take French,and 4 students take both.Which eq
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<h3>Answer: Choice C</h3>

P = 11/40 + 1/4 - 1/20

=========================================================

Explanation:

The formula we use is

P(A or B) = P(A) + P(B) - P(A and B)

In this case,

  • P(A) = 22/80 = 11/40 = probability of picking someone from consumer education
  • P(B) = 20/80 = 1/4 = probability of picking someone taking French
  • P(A and B) = 4/80 = 1/20 = probability of picking someone taking both classes

So,

P(A or B) = P(A) + P(B) - P(A and B)

P(A or B) = 11/40 + 1/4 - 1/20

which is why choice C is the answer

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Note: P(A and B) = 1/20 which is nonzero, so events A and B are not mutually exclusive.

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3 years ago
there are 350 boys and 450 girls in the sixth to eighth grade In East Side Elementary School. what is the ratio of the numbers o
MatroZZZ [7]
Boys to girls=350:450=7:9
5 0
4 years ago
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During a visit to a primary care physician's office, the probability of having neither lab work nor referral to a specialist is
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Find each missing length, make sure you give both exact AND approximate. Brainliest + 50pts
goldenfox [79]

#1

  • B²=15²-7²
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#2

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#3

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#4

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2 years ago
What is the area of the square below ?
ivolga24 [154]
To find the are of a square, we simply square the value of a side
so..
{5}^{2} = area
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