MATHEMATICS COLLEGE

8 - 2x = 6x - 10x + 18

Answers

Answer 1
Answer:

Answer:

X=5

Step-by-step explanation:

8 - 2x = -4x + 18

+4. +4

8+2x = 18

-8. -8

2x= 10

/. /

2. 2.

Sooo if we're looking for X I'd say X= 5

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Paul owns 8 CDs, 6 of which are rock-and-roll. What percent of Paul's CDs are rock-and-roll?

Answers

Answer:

75% are rock and roll

Step-by-step explanation:

6 /8 = 3/4 = 0.75 = 75%

Which of the following numbers is divisible by 2,3,5,6,9 and 10?

Answers

Answer: 15

Step-by-step explanation: 15 ÷ 5 = 3

Evaluate 7C3. 35 210 21 105IF you are the first to see this answer it the right way please and i will mark you brainliest

Answers

Answer: your answer is 35

Step-by-step explanation:

On the package for a certain brand of spinach seeds there is a guarantee that, if the printed instructions are followed, of planted seeds will germinate. A random sample of seeds is chosen. If these seeds are planted according to the instructions, find the probability that of them germinate.

Answers

The question is incomplete. Here is the complete question.

On the package for a certain brand of spinach seeds there is a guarantee that, if the printed instructions are followed, 63% of planted seeds will germinate. A random sample of 9 seeds is chosen. If these seeds are planted according to the instructions, find the probability that 4 or 5 of them germinate. Do not round your intermiediate computations, and round your answer to three decimal places.

Answer: P(4<X<5) = 0.624

Step-by-step explanation: The probability of a seed germinate is a BinomialDistribution, i.e., a discrete probability distribution of the number of successes in a sequence of n independents experiments.

This distribution can be approximated to normal distribution by determining the values of mean and standard deviation population:

\mu=np

\sigma=√(np(1-p))

where

n is the sample quantity

p is proportion of successes

For the spinach seeds:

Mean is

\mu=9(0.65)

\mu= 5.85

Standard deviation is

\sigma=√(9.0.65(1-0.65))

\sigma= 1.431

Now, use

z=(x-\mu)/(\sigma)

to convert into a standard normal distribution.

The probability we want is between 2 values: P(4<X<5).

Therefore, we have to convert those two values:

For X = 4:

z=(4-5.85)/(1.431)

z = -1.29

For X = 5:

z=(5-5.85)/(1.431)

z = -0.59

Using z-table:

P(X>4) = 1 - P(z< -1.29) = 0.9015

P(X<5) = P(z< -0.59) = 0.2776

The probability will be

P(4<X<5) = P(X>4) - P(X<5)

P(4<X<5) = 0.9015 - 0.2776

P(4<X<5) = 0.624

The probability of 4 or 5 seeds germinate is0.624.

What is The greatest common factor of 42 and 96 I’ll give you brainliest

Answers

The greatest common factor of 42 and 96 is 6.

What is greatest common factor?

The greatest common factor (GCF) of a set of numbers is the largest factor that all the numbers share.

42 = 2 x 3 x 7

96 = 2 x 2 x 2 x 2 x 2 x 3

Greatest common factor = 2 x 3 = 6

Learn more about greatest common factor here

brainly.com/question/11221202

#SPJ3

Answer:

6

Step-by-step explanation:

42 and 96

first we will find the factors of 42:

2 21

3 7

7 7

hence, factors of 42 are 2,7 and 3

then, we will find the factors of 96:

2 96

2 48

2 24

2 12

2 6

3 3

1

hence, factors of 96 are 2,2,2,2,2 and 3

Common factors are: 2 and 3

Highest common factor: 6

Rewrite (w+4)+(-3) using associative property

Answers

(w+4)+(-3) 
w+4-3
w+1
answer=w+1
the answer is -3w - 12
hope it helps
can l please have brainliest answer?
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