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4 years ago

Compute interest on$600 for 4months at 9%

Mathematics

1 answer:

Evgen [1.6K]4 years ago

7 0

Interest on $600 for 4 months at 9% would be $216 because 600x4x9%=216

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Assume that when an adult is randomly selected, the probability that they do not require vision correction is 23%. If 6 adults

KiRa [710]

Answer:

P(X = 2) = 0.27894

Step-by-step explanation:

Given:

- The probability that no vision correction is required p = 0.23

- No. adults are randomly selected n = 6

Find:

- P ( Exactly 2 dont require vision correction)

Solution:

- We will declare a random variable X is the umber of adults out of 6 that do not require vision correction. X follows a Binomial distribution:

X~ B ( 6 , 0.23 )

- The probability required is P ( X = 2 )

- Using the pmf of binomial distribution we have:

P(X = 2) = 6C2 * (0.23)^2 * (0.77)^4

P(X = 2) = 15 * 0.0529 * 0.35153041

P(X = 2) = 0.27894

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3 years ago

When a 40% of a number is added to the number and the result is 126 , what is the number ?

kozerog [31]

it would be 315. The simplest way to doing this would be by, first , doubling the number to make 252 which would add up to be 80%, and then divide 126 by 2 to get 63 which would be 20% ad by adding them all together you would get 315, which is equal to 100%.

5 0

4 years ago

The directions: Write an equation in point-slope form of the line that passes through the given point and has the given slope m.

guajiro [1.7K]

Point slope form y- y1 = m(x- x1) coordinates are (2,1) m=2

so the equation becomes y-1= 2(x-2)

8 0

3 years ago

Can anybody help me im in need of help

soldier1979 [14.2K]

The first question's answer is the second choice. The second question's answer is the first choice. The third question's answer is the second choice.

8 0

3 years ago

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In the figure, lines a, b, and c are parallel and m∠4=68° . Drag and drop the correct angle measure for each angle. m∠1 = m∠2 =

melisa1 [442]

The complete question in the attached figure

we have that
<span>m∠4=68°

we know that
</span>m∠4 and m∠3 are supplementary angles
so
m∠3=180-m∠4----- m∠3=180-68------> m∠3=112°

m∠3 = m∠2 --------> by alternate interior angles
so
m∠2=112°

m∠1 = m∠4 --------> by alternate exterior angles
so
m∠1=68°

m∠5 = m∠4---------> by corresponding angles
so
m∠5=68°

the answers are
m∠1=68°
m∠2=112
m∠3=112°
m∠5=68°

3 0

3 years ago

Read 2 more answers