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MrRa [10]
4 years ago
13

Subtract -1/2n - (-1/2n)

Mathematics
1 answer:
9966 [12]4 years ago
8 0
Answer: 0
Explanation:
-1/2n -(-1/2n)
= -1/2n + 1/2n
= 0
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Please help me with this problem please
Marta_Voda [28]

Answer:

y - 10 = 5(x - 15)

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (15, 10) and (x₂, y₂ ) = (16, 15)

m = \frac{15-10}{16-15} = \frac{5}{1} = 5

Using (a, b) = (15, 10), then

y - 10 = 5(x - 15)

6 0
3 years ago
a mobile phone has an ordinary retail price of $975, if it is discounted by 15% during a sale what would the sale price be?
musickatia [10]

Answer:

$828.75

Step-by-step explanation:

Mobile Phone costs : $975

Discounted Price :-  ( $975 * 15% = 146.25   ,     $975 - 146.25 = 828.75 )

So the phone would cost $828.75 after the discount.

3 0
3 years ago
Peak Industries saw a 20% increase in activity levels over the fourth quarter. Which of the following changes should the firm ex
Nutka1998 [239]

Answer:

B : a 20% increase in variable costs

Step-by-step explanation:

Here the industry is seeing a 20% increase in activity levels over the fourth quarter. Since, there has been an increase in activity levels the fixed cost would remain the same but the variable cost being variable would increase with increase in production activity in same proportion as the increase in production.

B : a 20% increase in variable costs

8 0
4 years ago
Which of the following describes the function −x3 + 5?
algol13

Answer:

The correct choice is C

Step-by-step explanation:

The given function is:

-x^3+5

The degree of this function is odd so the function will rise at one end and fall on the other end.

Since the coefficient of the leading term is negative, the graph of the function will rise at the left and fall on the right.

The correct answer is option C.

4 0
3 years ago
on a recent standardized test, Ahmed scored int he 90 percentile. If 2800 people took the test, then Ahmed's score was higher th
Readme [11.4K]

Answer:

Ahmed scored the same or better than 2,520 people that took the test

explanation:
percentile is the percentage of people you scored the same/better than on something
90% of 2800 is 2520
I hope this helps!

3 0
2 years ago
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