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Alinara [238K]
3 years ago
15

Solve for x 9x + 3 = 21

Mathematics
2 answers:
VladimirAG [237]3 years ago
8 0

Hi,

9x = 21 - 3

9x = 18

x = 18/9 = 2

Ratling [72]3 years ago
3 0
<h2>Answer:</h2>

This is a two-step equation:

9x + 3 = 21\\\\9x = 18\\\\x = 2

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Suppose a manufacturer finds that 95% of their production is normal but the final 5% has one or more flaws. Each flawed good has
RUDIKE [14]

Answer:

1)    

FLAW                         TYPE2         NO TYPE2 FLAW

TYPE1                         0.015           0.025

NO TYPE1 FLAW        0.01             0.95

2) 0.04 and $0.04

3) 0.025 and $0.025

4) 0.015 and $0.015

5) 0.95 and $0.95

Step-by-step explanation:

Given that;

financial cost = $1

p(flaw) = 0.05  

p(type 1 flaw / flaw) = 80% = 0.8

p(type 2 flaw / flaw) = 50% = 0.5

p( type 1 and 2 flaw/flaw) = 30% = 0.30

1) Bivariate Table

p( type 1 flaw) = p(flaw) × p(type 1 flaw/flaw) = 0.05 × 0.8 = 0.04

p( type 2 flaw) = p(flaw) × p(type 2 flaw/flaw)  = 0.05 × 0.5 = 0.025

p( type 1 and 2 flaw) =  p(flow) × p( type 1 & 2 flaw/flaw) = 0.05 × 0.3 = 0.015

p( only 1 flow) = 0.04 - 0.015 = 0.025

p( only 2 flow) =  0.025 - 0.015 = 0.01

THEREFORE  the Bivariate Table;

FLAW                         TYPE2         NO TYPE2 FLAW

TYPE1                         0.015           0.025

NO TYPE1 FLAW       0.01              0.95

2) probability and expectations of type 1 flaw?

p( type 1 flaw) = p(flaw) × p(type 1 flaw/flaw) = 0.05 × 0.8 = 0.04

Expected financial cost to the firm per good = $1 × 0.04 = $0.04

3)  probability and expectation of Type 2 flaw

p( type 2 flaw) = p(flaw) × p(type 2 flaw/flaw)  = 0.05 × 0.5 = 0.025

Expected financial cost to the firm per good = $1 × 0.025 = $0.025

4) probability and expectations of Type 1 and 2 flaws

p( type 1 and 2 flaw) =  p(flow) × p( type 1 & 2 flaw/flaw) = 0.05 × 0.3 = 0.015

Expected financial cost to the firm per good = $1 * 0.015 = $0.015

5) probability and expectations of no flaws?

Probability of no flaw = P(No flaw) =95% =  0.95

Expected financial cost saved the firm per good due to no flaw

= $1 × 0.95 = $0.95

5 0
4 years ago
I need help with this question.
mart [117]

Answer:

False.

Step-by-step explanation:

Any straight line may have infinite number of points (solutions) lying on it.

Therefor, straight line 'l' can't have exactly two solutions.

Line 'l' will have infinitely many solutions.

Exactly one or two solutions are possible only when two lines or functions intersect each other.

Therefore, answer is false.

7 0
3 years ago
Please help me with this for Brainliest
myrzilka [38]

Answer:

$7.50

Step-by-step explanation:

His total was $10

His drink was $2.50

10-2.50= 7.50

hope this helps

3 0
3 years ago
Read 2 more answers
Need help with this question 11
olya-2409 [2.1K]
Answer:
me podrias dar unos puntos ´porfa


7 0
2 years ago
Write a recursive formula and an explicit formula for the following arithmetic sequence: -1,6,13,20,27
Luden [163]

Answer:

Recursive formula is: a_1=-1 ; \ \ a_n=a_{n-1}+7

Explicit formula is: a_n=7n-8

Step-by-step explanation:

We need to find recursive formula and explicit formula for arithmetic sequence -1,6,13,20,27

In the given sequence First term a₁= -1

Common difference d = 7

Finding Recursive Formula

The recursive formula is of type:a_1= First \ term and a_n=a_{n-1}+d

Since the First term a₁ is -1 and common difference d is 7 so, the recursive formula  for given arithmetic sequence will be:

a_1=-1 ; \ \ a_n=a_{n-1}+7

Finding Explicit Formula

The explicit formula is of type: a_n=a_1+(n-1)d

We have

First term a₁= -1

Common difference d = 7

So, explicit formula will be:

a_n=-1+(n-1)7\\a_n=-1+7n-7\\a_n=7n-8

So, explicit formula is: a_n=7n-8

7 0
3 years ago
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