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NISA [10]
3 years ago
10

The steps below show the incomplete solution to find the value of x for the

Mathematics
1 answer:
Anna35 [415]3 years ago
7 0
Just add 4 on both sides then divide both sides by 4 and then you’ll get your answer. I hope that helps!
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Statisticians use sampling plans to either accept or reject batches or lots of material. Suppose one of these sampling plans inv
vivado [14]

Answer:

x= {0,1,2,3,4,5,6,7,8,9,10}

Step-by-step explanation:

As the random variable takes the values from 0 ----10 it can be written as

x= {0,1,2,3,4,5,6,7,8,9,10}

The probability of the defective and non defective items would be

P ( defective) = 12/ 100 = 0.12

P ( non defective) = 1-0.12= 0.88

Since the events are independent the probability of defective items in the randomly 10 selected items would be given

P (1/10) * 0.12 +P ( 2/10) * 0.12 + P(3/10)*0.12 ,---------,+P (10/10) * 0.12

Similarly the probability of non defective item s would be

P (1/10) * 0.88 +P ( 2/10) * 0.88 + P(3/10)*0.88 ---------P (10/10) * 0.88

That is the individual probability is multiplied with the probability of the defective or non defective items to get the total probability of defective and non defective items as the events are independent.

6 0
3 years ago
An x-method chart shows the product a c at the top of x and b at the bottom of x. Above the chart is the expression a x squared
Bond [772]

Answer:

The other factor is (x + 2).

Step-by-step explanation:

If x - 10 is a  factor of x^2 - 8x - 20 then we must find another factor that includes +2x, so that we have -10x + 2x = -8x.  That factor is (x + 2):

x^2 - 8x - 20 = (x - 10)(x + 2)

As a test, multiply -10 and +2.  We get -20, matching the constant of the given polynomial.  Also, -10x + 2x = -8x, another match.

9 0
3 years ago
Read 2 more answers
Henri bought a swimsuit suit at a cost of $8. Which statements are true regarding the cost of the suit? Select three correct opt
kifflom [539]

Answer:

What are the choices?

Step-by-step explanation:

3 0
3 years ago
The population of rabbits on an island is growing exponentially. In the year 1991, the population of rabbits was 9100, and by 19
lisabon 2012 [21]

Answer:

39,223\ rabbits

Step-by-step explanation:

we know that

The equation of a exponential growth function is given by

y=a(1+r)^x

where

y is the population of rabbits

x is the number of years since 1991

a is the initial value

r is the rate of change

we have

a=9,100

substitute

y=9,100(1+r)^x

For the year 1998

the number of years is equal to

x=1998-1991=7 years

so

we have the ordered pair (7,18,000)

substitute in the exponential equation and solve for r

18,000=9,100(1+r)^7

(18,000/9,100)=(1+r)^7

elevated both sides to 1/7

(1+r)=1.1023

r=0.1023

therefore

y=9,100(1+0.1023)^x

y=9,100(1.1023)^x

Predict the population of rabbits in the year 2006

Find the value of x

x=2006-1991=15 years

substitute the value of x in the equation

y=9,100(1.1023)^{15}

y=39,223\ rabbits

6 0
3 years ago
17<br> Write<br> percentage.<br> 20
enot [183]

Answer:

\large \boxed{85\%}

Step-by-step explanation:

17/20

Multiply by the conjugate 5/5.

(17 × 5)/(20 × 5)

85/100

Apply rule : a/100 = a%

85/100 = 85%

5 0
3 years ago
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