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KengaRu [80]
3 years ago
7

Please help being timed for test !

Mathematics
1 answer:
balu736 [363]3 years ago
3 0

Answer:

I think it B or C but hope I can help :)

Step-by-step explanation:

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I need help I’m on my last questionnn
LenKa [72]

Answer:

7.3 in

Step-by-step explanation:

Area of triangle = (1/2) *b*h

27 = (1/2) * x^2

54 = x^2

square root (54) = x

x=> 7.3484....

Rounding off to 1 decimal place, you get 7.3 in.

8 0
2 years ago
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-2x-4+5x=8 please help, I'm too stupid to do this.
nydimaria [60]

Answer: x=1 1/3

Step-by-step explanation:

5 0
3 years ago
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Let D be the event that a randomly chosen person has seen a dermatologist. Let S be the event that a randomly chosen person has
SSSSS [86.1K]

Given:

D be the event that a randomly chosen person has seen a dermatologist.

S be the event that a randomly chosen person has had surgery for skin cancer.

To find:

The correct notation for the probability that a randomly chosen person has had surgery for skin cancer, given that the person has seen a dermatologist.

Solution:

Conditional probability: Probability of A given B is:

P(A|B)=\dfrac{P(A\cap B)}{P(B)}

Let D be the event that a randomly chosen person has seen a dermatologist.

Let S be the event that a randomly chosen person has had surgery for skin cancer.

Using the conditional probability, the correct notation for the probability that a randomly chosen person has had surgery for skin cancer, given that the person has seen a dermatologist is P(S|D).

Therefore, the correct option is D.

8 0
2 years ago
If three times a number is increased by 4, the results is -8. find the number
skad [1K]

Answer: -4

Step-by-step explanation:

3x + 4 = -8

3x= -12

x = -4

<!> Brainliest is appreciated! <!>

6 0
3 years ago
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Avery gets newsletters by e-mail. He gets one for sports every 5 days, one for model railroads every 10 days, and one for music
vredina [299]

Answer: its  40 days

good luck

3 0
3 years ago
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