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Brums [2.3K]
3 years ago
10

Pls help me I’m dumb i and I don’t understand

Mathematics
1 answer:
k0ka [10]3 years ago
4 0

Answer:

Step-by-step explanation: the right hand and when u get a point in a card game u like win do the hand u play with is the hand the gets the points

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Lee walked a total of 4.48 miles. he walks 1.4 miles each hour. how long did lee walk?​
laila [671]

Answer - 3.2 hours

because 4.48 miles divided by 1.4 mph equals 3.2

4 0
3 years ago
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A phone company has a monthly data plan where a customer pays flat monthly fee of
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A- 1gb=3$ 30$+(3*gb used)= total

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In answering a question on a multiple-choice test, a student either knows the correct answer or guesses it. Let 0.7 be the proba
Dahasolnce [82]

Answer:

The probability is 0.9211

Step-by-step explanation:

Let's call K the event that the student know the answer, G the event that the student guess the answer and C the event that the answer is correct.

So, the probability P(K/C) that a student knows the answer to a question, given that she answered it correctly is:

P(K/C)=P(K∩C)/P(C)

Where P(C) = P(K∩C) + P(G∩C)

Then, the probability P(K∩C) that the student know the answer and it is correct is:

P(K∩C) = 0.7

On the other hand, the probability P(G∩C) that the student guess the answer and it is correct is:

P(G∩C) = 0.3*0.2 = 0.06

Because, 0.3 is the probability that the student guess the answer and 0.2 is the probability that the answer is correct given that the student guess the answer.

Therefore, The probability P(C) that the answer is correct is:

P(C) = 0.7 + 0.06 = 0.76

Finally, P(K/C) is:

P(K/C) = 0.7/0.76 = 0.9211

7 0
3 years ago
How do you write 2.6 × 10 to the 3 power in standard form?
Novay_Z [31]

Answer:

no u

Step-by-step explanation:

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3 years ago
What is this hurry please will give brainluest
aleksandr82 [10.1K]

Answer:

450cm²

Step-by-step explanation:

The area of the kite is made up of two pairs of congruent triangles. Find the area of these and add to get the kite's area. (area of triangle = (1/2)(base)height))

2(0.5*15*20)+2(0.5*15*10)

300+150

450

3 0
2 years ago
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