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4 years ago

Solve each of the following: x/24=7/16 4/9=x/12

Mathematics

2 answers:

GenaCL600 [577]4 years ago

8 0

Answer:

x/24=7/16 -----> Answer: x= 21/2

4/9=x/12 ------> Answer: x= 16/3

Step-by-step explanation:

konstantin123 [22]4 years ago

3 0

I would suggest you to use quickmath it helps a lot.

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3 years ago

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Find the geometric of 5,8,9,12,15

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Answer:

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3 years ago

Two lines perpendicular to the same plane are?

beks73 [17]

Answer:

C. parallel lines

Explanation:

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3 years ago

1. Suppose you have just received a shipment of 100 iPads where 7 iPads are defective. To determine whether or not you will acce

Lyrx [107]

Answer:

$p(x\geq 1)=0.1975$

Step-by-step explanation:

the probability that x iPads are defective in the sample follows a hypergeometric distribution, so it is calculated as:

$p(x)=\frac{kCx*((N-k)C(n-x))}{NCn}$

Where $aCb=\frac{a!}{b!(a-b)!}$

Because we have a N elements with k elements that are defective and we are going to take a sample of n elements. So, replacing N by 100, k by 7 and n by 3, we get:

$p(x)=\frac{7Cx*((100-7)C(3-x))}{100C3}$

Now, the probability of rejecting the shipment is the probability that at least one iPad of the sample is defective, so:

$p(x\geq 1)=p(1)+p(2)+p(3)$

Then:

$p(1)=\frac{7C1*((100-7)C(3-1))}{100C3}=0.1852\\p(2)=\frac{7C2*((100-7)C(3-2))}{100C3}=0.0121\\p(3)=\frac{7C3*((100-7)C(3-3))}{100C3}=0.0002$

Finally, the probability of rejecting the shipment is:

$p(x\geq 1)=0.1852+0.0121+0.0002=0.1975$

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4 years ago

Find the remainder when x51+x is divided by x+1

tatuchka [14]

Answer:) Let p(x) = x51 + 51 . …(i)

When we divide p(x) by x+1, we get the remainder p(-1)

On putting x= -1 in Eq. (i), we get p(-1) = (-1)51 + 51

= -1 + 51 = 50

Hence, the remainder is 50.

Step-by-step explanation:

8 0

4 years ago