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asambeis [7]
3 years ago
10

Write an expression with (-1) as its base that will produce a positive product

Mathematics
2 answers:
alexira [117]3 years ago
6 0
-1/-1 = 1 a negative divided by a negative is positive
VladimirAG [237]3 years ago
4 0
(-1)²ⁿ where n can be any integer

so like (-1)²=1
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A small manufacturing firm has 250 employees. Fifty have been employed for less than 5 years and 125 have been with the company
sukhopar [10]

Answer:

Step-by-step explanation:

Given that a small manufacturing firm has 250 employees. Fifty have been employed for less than 5 years and 125 have been with the company for over 10 years. So remaining 75 are between 5 and 10 years.

Suppose that one employee is selected at random from a list of the employees

A) Probability that the selected employee has been with the firm less than 5 years = \frac{50}{250 } \\= 0.20

B) Probability that the selected employee has been with the firm between 5 and 10 years

= \frac{75}{250 } \\= 0.30

C) Probability that the selected employee has been with the firm more than 10 years

= \frac{125}{250} =0.50

a) P(A) = 0.2

P(C) = 0.5

P(A or B) = 0.2+0.3 = 0.5

P(A and C) = 0 (since A and C are disjoint)

7 0
3 years ago
Write the equation of a line that is parallel to y=1/2x−4y and that passes through the point (9,−6)
lara [203]

Answer:

the desired equation is

y = (1/2)x - 21/2

Step-by-step explanation:

Looks as tho' you may have typed in an extra 'y' here.  I will proceed under the assumption that you meant y = (1/2)x - 4.  This line has a slope of 1/2.

Any line parallel to it also has a slope of m = 1/2.

Start by replacing y, x, m and b in y = mx + b with the knowns:

y = mx + b becomes -6 = (1/2)(9) + b.

Clear this of fractions by multiplying all 3 terms by 2:

-12 = 9 + 2b, or:

-21 = 2b.  Dividing both sides by 2 results in b = -21/2.

Thus, the desired equation is

y = (1/2)x - 21/2

8 0
3 years ago
Candy and Tim share a paper route. It takes Candy 85 min to deliver all the papers, and it takes Tim 65 min. How long does it ta
RSB [31]

Answer:

The time required to finish the work by both candy and Tim working together = 36.83 minute

Step-by-step explanation:

Time taken by the candy to finish the work T_{1}= 85 min

Time taken by the Tim to finish the work T_{2}  = 65 min

Thus the time taken by both to finish the work = \frac{T_1 \times\ T_2}{T_1 + T_2}

Put the values of T_{1} and T_{2}  we get ,

                    T_{} = \frac{85 \times\ 65}{85 + 65}

                    T_{} = \frac{221}{6}

                    T_{} = 36.83 minute

Thus the time required to finish the work by both candy and Tim working together = 36.83 minute

3 0
3 years ago
What is the coefficient of the variable in the expression 2 − 5x − 4 + 8? −5 −4 2 8
jonny [76]
The coefficient of the variable......the variable is a letter subbed in for an unknown number.....so the variable is x....the coefficient is the number multiplied by the variable....so that is -5.
6 0
4 years ago
Read 2 more answers
An apple cost Php x per piece. How many will 3 dozen cost?
Gwar [14]
D.Php 36x because 1 dozen is = 12 pieces so if there’s 3 dozen of apple it would be 12 x 3 the answer which is 36
6 0
3 years ago
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