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AlekseyPX
3 years ago
8

When a number x is multiplied by 9, the result is 3/5 . What is the value of x? Drag and drop the correct number into the box so

that the equation is true.
Mathematics
2 answers:
Aloiza [94]3 years ago
7 0
What are the choices? Anyway, the answer is 1/15.
S_A_V [24]3 years ago
6 0

9x = 3/5

x = 3/9*5

x = 3/45

x = 1/15

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a random sample of 4 claims are selected from a lot of 12 that has 3 nonconforming units. using the hypergeometric distribution
Sloan [31]

Answer:

The probability that the sample will contain exactly 0 nonconforming units is P=0.25.

The probability that the sample will contain exactly 1 nonconforming units is P=0.51.

.

Step-by-step explanation:

We have a sample of size n=4, taken out of a lot of N=12 units, where K=3 are non-conforming units.

We can write the probability mass function as:

P(x=k)=\frac{\binom{K}{k}\binom{N-K}{n-k}}{\binom{N}{n}}

where k is the number of non-conforming units on the sample of n=4.

We can calculate the probability of getting no non-conforming units (k=0) as:

P(x=0)=\frac{\binom{3}{0}\binom{9}{4}}{\binom{12}{4}}=\frac{1*126}{495}=\frac{126}{495} = 0.25

We can calculate the probability of getting one non-conforming units (k=1) as:

P(x=1)=\frac{\binom{3}{1}\binom{9}{3}}{\binom{12}{4}}=\frac{3*84}{495}=\frac{252}{495} = 0.51

5 0
3 years ago
4. Are the lines parallel, perpendicular, or neither?
Lelu [443]

Answer:

Perpendicular

Step-by-step explanation:

Intersect over each other

4 0
3 years ago
1/5 of a box of erasers and youneed to share with 3 people including yourself what fraction of the box would each person get
CaHeK987 [17]
1 1. 1
— x. — = —
4. 5. 20

1/20 is the answer
8 0
3 years ago
Which explains whether or not the function represents a direct variation?
s2008m [1.1K]

Answer:

The function represents a direct variation

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form y/x=k or y=kx

In a linear direct variation the line passes through the origin and the constant of proportionality k is equal to the slope m

Let

A(0,0) ------> the line passes through the origin

B(2,10)

Find the value of k------> substitute the value of x and y

y/x=k-----> k=10/2=5

C(4,20)

Find the value of k------> substitute the value of x and y

y/x=k-----> k=20/4=5

D(6,30)

Find the value of k------> substitute the value of x and y

y/x=k-----> k=30/6=5

E(8,40)

Find the value of k------> substitute the value of x and y

y/x=k-----> k=40/8=5

The value of k is equal in all the points of the table and the line passes through the origin

therefore

The function represents a direct variation

the equation of the direct variation is equal to

f(x)=5x

4 0
3 years ago
Read 2 more answers
Plz help! What is the surface area of the figure?​
dexar [7]

Answer:

483 ft²

Step-by-step explanation:

2(7x7)=   98

3(5x12)=180

2(12x5)=120

2(5x5)=   50  

1(7x5) =  <u> 35   </u>

              483

               

6 0
3 years ago
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