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AysviL [449]
3 years ago
10

The cost of a long-distance telephone call is given by the function

Mathematics
1 answer:
zalisa [80]3 years ago
3 0
The slope would represent the cost per minute, since m is the length of the call in minutes. Logically, D) Cost per minute, is the only one that would work. The connection cost would be just added in, and you wouldn't multiply the cost of having a phone line by how many minutes you're on the phone. The length of the call is already there, it's m, so that wouldn't work either. Therefore, D, cost per minute, is the logical answer. The slope in the equation represents D, cost per minute.
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Giselle works as a carpenter and as a blacksmith.
Usimov [2.4K]

Answer:

34.5 hours as carpenter or 27.6 hours for blacksmith (Not sure about this sorry)

Step-by-step explanation:

690 ÷ 20 and 690 ÷ 25

8 0
3 years ago
Help pleaseee and explain!!
shepuryov [24]

Answer:

D

Step-by-step explanation:

Its an abs value so you have to solve twice. Once for d - 3.5 < or equal to 1.5 which equals 5. You also have to solve for d - 3.5 > or equal to -1.5 which equals 2. So on the graph it has to be less than 5 and greater than 2 so you just connect the two and draw the line over the numbers in between the 2 and 5.

3 0
3 years ago
What are the leading coefficient and degree of the polynomial?<br> v +9-45-124
pochemuha

Answer

5x

Step-by-step explanation:

5 0
2 years ago
Middle school mathematics 5 points a box of cereal states that there are 75 calories in a 3/4-cup serving. what is the unit rate
Lina20 [59]
100 calories per cup 400 calories in 4 cups

7 0
3 years ago
A farmer has 107 acres on which to plant oats or corn. Each acre of oats requires $18 capital and 2 hours of labor. Each acre of
Lera25 [3.4K]

Answer:

<h2>$6049.63</h2>

Step-by-step explanation:

the objective is to maximize profit

let x be corn and y be oat

let us begging by formulating the linear program for the problem

The objective function is

  111x+47y=P

The constraints are

1. capital

 36x+18y=2100------------1

2. labor

6x(8)+2y(8)=2400

48x+16y=2400-------------2

solving 1 and 2 we apply substitution method

36x+18y=2100------1

36x=2100-18y

x=(2100-18y)/36

put x=(2100-18y)/36 in 2 we have

48(2100-18y)/36+16y=2400

(100800-864y)/36+16y=2400

2800-24y+16y=2400

-8y=2400-2800

-8y=-400

8y=400

y=400/8

y=50

to find x put y=50 in 36x+18y=2100------------1

36x+18(50)=2100------------1

36x+900=2100

36x=2100-900

36x=1200

x=1200/36

x=33.33

profit is

111x+47y=P

111(33.33)+47(50)=P

3699.63+2350=P

P=6049.63

$6049.63

the planning comnination is to work on

33.33 acre of corn and 50 acre of oat

8 0
3 years ago
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