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kobusy [5.1K]
3 years ago
15

9. In the expression 4(2m-n), determine which of the following best describes the role of (2m-n).

Mathematics
1 answer:
Ronch [10]3 years ago
5 0

Answer:

b

Step-by-step explanation:

2m is term because it is what you are looking for

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What is the sum of 2+2??
evablogger [386]
The sum of 2+2 is 4.
3 0
3 years ago
At the end of the summer, a store marks down all the outdoor furniture 20%. A family bought 4 chairs that originally cost $102.
crimeas [40]

Answer:

$81.60

Step-by-step explanation:

A 20% markdown means that the chairs were sold at 80% of the original cost.

Original cost = $102

markdown = 20%

Cost after markdown = original cost* (1-markdown)

Cost after markdown = 102 *(1 - 0.20)

= 102*0.80

= 81.6

Therefore, the 4 chairs were sold at a total cost of $81.60

5 0
3 years ago
Help me please!
telo118 [61]

Answer:

f^{-1}(6) = 50

Step-by-step explanation:

Given

f(x) = \sqrt{2x} - 4

Required

Find f^{-1}(6)

First, we calculate the inverse function

f(x) = \sqrt{2x} - 4

Express f(x) as y

y = \sqrt{2x} - 4

Swap the positions of x and y

x = \sqrt{2y} - 4

Solve for y: Add 4 to both sides

4 + x = \sqrt{2y} - 4+4

4 + x = \sqrt{2y}

Square both sides

(4 + x)^2 = 2y

Divide both sides by 2

y = \frac{(4 + x)^2}{2}

Express y as an inverse function

f^{-1}(x) = \frac{(4 + x)^2}{2}

Next, solve for: f^{-1}(6)

Substitute 6 for x

f^{-1}(6) = \frac{(4 + 6)^2}{2}

f^{-1}(6) = \frac{(10)^2}{2}

f^{-1}(6) = \frac{100}{2}

f^{-1}(6) = 50

7 0
3 years ago
Fun center rents popcorn machines for $20 per hour. In addition to the hourly charge, there is a fee of $32. Is the number if ho
insens350 [35]
No... because the two can never collide mathematically. So no, 
8 0
3 years ago
Aliya buys p pounds of apples for $2 per pounds. Write an algebraic expression to find the total cost?
Burka [1]

Answer:

Identify the terms and coefficients of each expression. 1. ... Frank buys p pounds of oranges for $2.29 per pound and the same number of pounds of apples for $1.69 per pound. ... .690 = total cost ... Write an expression to represent each situation. 9. Eliza earns $400 per week plus $15 for each new customer she signs up.

Step-by-step explanation:

3 0
2 years ago
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