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svet-max [94.6K]
3 years ago
15

Can someone help me plz I need it

Mathematics
1 answer:
Vladimir [108]3 years ago
8 0
Constant is y =5
Cubic is y = x^3
Souare root is y = x ^2
I don’t know the rest sorry
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Distribute $1000 into three parts so that one part will be three times as large as the second and the third part will be as larg
Over [174]

Answer:

See below

Step-by-step explanation:

x = part 1

3x = part 2

x + 3x  = part 3       summed, they equal 1000

x    +     3x      +   x + 3x = 1000

8x = 1000

<u>x = 125       3x = 385      third part = 500 </u>

3 0
2 years ago
A batch of 200 calculators contains 3 defective units. What the probability that a sample of three calculators will have/be
Anika [276]

Answer:

1. 0.048

2. 0.952

3. 0.6465

Step-by-step explanation:

Requirement 1

the probability of no defective calculator is 0.048

Given,

Total calculator = 200

Number of defective = 3

Probability of defective,  

p = 3/200

= 0.015

And the probability of non-defective,

q = 1 - p

=1-0.015

=0.985

The Probability distribution of defective follows the normal distribution.

P [X=0] = 〖200〗_(c_0 ) 〖(.015)〗^0 〖(.985)〗^(200-0)

P [X=0] = 0.048

Requirement 2

the probability of no defective is 0.048.

here, the probability of at least one defective means minimum 1 calculator can be defective. So the probability of at least one will be the probability of less than or equal 1.

P [X =less than or equal 1] = 1- P [X=0]

= 1 - 0.048  

= 0.952

So the probability of at least one defective is 0.952.

Requirement 3

c) the probability of all defective calculators is 0.6465.

P [X=3] = P[X=0]+ P[X=1]+ P[X=2]+ P[X=3]

Here,

P [X=0] = 0.048

P [X=1] = 〖200〗_(c_1 ) 〖(.015)〗^1 〖(.985)〗^(200-1)

= 0.148228

P [X=2] = 〖200〗_(c_2 ) 〖(.015)〗^2 〖(.985)〗^(200-2)

= 0.2245997

P [X=3] = 〖200〗_(c_3 ) 〖(.015)〗^3 〖(.985)〗^(200-3)

= 0.2257398

So,  P [X=3] = 0.048+0.148228+0.2245997+0.2257398  

= 0.6465675

So, the probability of all defective calculators is 0.6465.

6 0
3 years ago
What is the density of the marble?
irga5000 [103]
The answer I think is D. 
3 0
3 years ago
Which expressions product is modeled by the tiles
Mars2501 [29]

Answer:

Answer is NOT D.

Step-by-step explanation:

I took the Plato Test.

7 0
3 years ago
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you deposit a check for $254.67 into your savings account. Your account has a balance of $419.33 after the deposit. Find the bal
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Answer:

$164.66

Step-by-step explanation:

Just subtract them from each other

7 0
2 years ago
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