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2 years ago

9

How many groups of 4 are in 4/5

2 answers:

melomori [17]2 years ago

8 0

Answer:

4

kind of confusing question

Rina8888 [55]2 years ago

6 0

Is there a picture to the problem?

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Nicholas wrote the steps below to simplify the fraction 20/30 find his error and correct it

Dmitrij [34]

Unfortunately, Nicholas' steps in simplifying the fraction is not reflected in the question. However, the general idea of the simplifying fraction is to find the greatest common factor (GCF) of both the numerator and the denominator. In this case, the GCF is 10. Then, divide both numbers by the GCF. The answer for this item should be 2/3.

7 0

3 years ago

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Kelly and Jessica have a total of 5 same-sized cookies. They want to divide them equally between the two of them. How much cooki

Paraphin [41]

Answer:

Each girl gets 2 1/2.

Step-by-step explanation:

5 is an odd number. If you take the 4 in it and split that in half then you have 2. Then take the extra 1 from the rest of 5 and split that in half.

2 1/2.

5 0

3 years ago

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In ΔNOP, the measure of ∠P=90°, the measure of ∠O=17°, and OP = 8.6 feet. Find the length of PN to the nearest tenth of a foot.

SVEN [57.7K]

The length of PN is 2.63 feet

<u>Explanation:</u>

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Given:

∠P=90°,

∠O=17°,

OP = 8.6 feet

PN = ?

The given triangle is a right angle triangle as one angle is 90°

We know:

$tan \alpha = \frac{perpendicular}{base}$

$tan(17^o) = \frac{PN}{OP} \\\\0.3057 = \frac{PN}{8.6} \\\\PN = 0.3057 X 8.6 feet\\\\PN = 2.63 feet$

Therefore, the length of PN is 2.63 feet

7 0

3 years ago

With one method of a procedure called acceptance sampling, a sample of items is randomly selected without replacement and the e

Veseljchak [2.6K]

Answer: Probability that the entire batch will be accepted is 0.658.

Yes, this suggests entire batch of good CDs as it is the only condition to get accepted.

Step-by-step explanation:

Since we have given that

Number of CDs = 507

Number of defective = 65

Since the entire batch will be accepted.

So, the probability of success is p = $\dfrac{507-65}{507}=\dfrac{442}{507}=0.87$

and the probability of failure is q = $\dfrac{65}{507}=0.128$

Number of CDs selected = 3

So, Probability that the entire batch will be accepted is given by

$P(X=3)=^3C_3(0.87)^3\\\\P(X=3)=0.658$

Hence, Probability that the entire batch will be accepted is 0.658.

Yes, this suggests entire batch of good CDs as it is the only condition to get accepted.

6 0

2 years ago

kwesi is putting on sunscreen. he uses 3 ml to cover 45 cm squared of his skin. he wants to know how many milliliters of sunscre

Anastasy [175]

Kwesi needs 16 ml of sunscreen.

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3 years ago

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