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12345 [234]
3 years ago
15

8................................

Mathematics
1 answer:
mariarad [96]3 years ago
8 0

Answer is :

3{a}^{4}  {b}^{3}

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You plan to conduct a survey to find what proportion of the workforce has two or more jobs. You decide on the 95% confidence lev
Vikentia [17]

Answer:

865

Step-by-step explanation:

We have that in 95% confidence level the value of z has a value of 1.96. This can be confirmed in the attached image of the normal distribution.

Now we have the following formula:

n = [z / E] ^ 2 * (p * q)

where n is the sample size, which is what we want to calculate, "E" is the error that is 2% or 0.02. "p" is the probability they give us, 5 out of 50, is the same as 1 out of 10, that is 0.1. "q" is the complement of p, that is, 1 - 0.1 = 0.9, that is, the value of q is 0.9.

Replacing these values we are left with:

n = [1.96 / 0.02] ^ 2 * [(0.1) * (0.9)]

n = 864.36

865 by rounding to the largest number.

3 0
3 years ago
An oil company fills 1/12 of a tank in 1/3 hour. At this rate, which expression can be used to determine how long it will take f
White raven [17]

Answer:

It's C

Step-by-step explanation:

Correct me if i'm wrong.

But it seems to make sense with my calculations....

6 0
3 years ago
Which quadrilaterals always have opposite angles that are congruent
horsena [70]

Answer:

(1) Parallelogram A parallelogram is a quadrilateral with two

sets of parallel sides. The opposite or facing sides of a

parallelogram are of equal length, and the opposite angles of a

               

(2) Square

A square is a regular quadrilateral. This means that is has four

equal sides and four equal angles.

(3) Rhombus                                                                                                                                                A rhombus is a quadrilateral whose four sides all have the same

length. Opposite angles of a rhombus have equal measure. The two

diagonals of a rhombus are perpendicular.

(4) Rectangle

A rectangle normally refers to a quadrilateral with four right

angles.

Parallelogram

Step-by-step explanation:

6 0
3 years ago
For the function<br> g(x) = 1/3x-2, find g(3a – 6)
Keith_Richards [23]

Answer:

g(3a – 6) = a - 4

Step-by-step explanation:

g(x) = 1/3x - 2

g(3a – 6) = 1/3(3a – 6) - 2

= a - 2 - 2

= a - 4

7 0
3 years ago
Read 2 more answers
A pound of cherries is normally $5.00. Today there is a 20% discount. What is the sale price
Kruka [31]
The Answer Is $4.00
Hope This Helps!

6 0
3 years ago
Read 2 more answers
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