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malfutka [58]
3 years ago
6

Charlie's Computer Company charges $0.65 per pound to ship computers. Part A: Write an equation to determine the total cost, c,

to ship p pounds of computers. Use your equation to determine the cost of shipping 2 pounds of computers. (6 points) Part B: If the company reduces the cost to ship computers by $0.05 per pound, write an equation to determine the total cost, c, to ship p pounds of computers with the reduced cost. (4 points)
Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
6 0

Step-by-step explanation:

One pound = $0.65

Total cost = c

Number of pounds to ship = p

Part a:

c = 0.65p

When p = 2

c= 0.65(2) 

c = $1.30

Part b:

One pound = $0.65 - $0.05 = $0.60

c= 0.6p

Answer: (a) $1.30 (b) c= 0.6p

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Riley finished her 5k race in One-half hour. Darby finished the same race in Three-fifths hour. Which statement explains which g
Andrej [43]

Answer:

Riley did better than Darby because One-half < Three-fifths.

Step-by-step explanation:

The statement that explains which girl did better would be that

Riley did better than Darby because One-half < Three-fifths.

There are a total of 60 minutes in an hour, If we multiply each of these fractions by 60 minutes it would give us the exact number of minutes that each girl took to finish the race.

Riley: \frac{1}{2} * 60 = 30 minutes

Darby: \frac{3}{5} * 60 = 36 minutes

Therefore, we can see that it took Riley 6 minutes less than Darby to finish the race meaning that she had the better result.

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vampirchik [111]

Answer:

The answer is (5x - 3) (25x² + 15x + 9)

Step-by-step explanation:

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5 × 5 × 5 × x × x × x - 3 × 3 × 3

Rewrite 125x³ as (5x)³.

(5x)³ - 27

Rewrite 27 as (3)³.

(5x)³ - (3)³

Here, Both terms are <em>perfect cubes, factor</em> using the difference of cube formula,

<em>a³ - b³ = (a - b) (a² + ab + b²)</em>

where,

a = 5x

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Now,

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Now, Simplify

(5x - 3) (25x² + 15x + 9)

Thus, The answer is (5x - 3) (25x² + 15x + 9)

<u>-TheUnknownScientist</u><u> 72</u>

4 0
3 years ago
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allsm [11]

Answer:

a) Center is (0,0) and radius r = 5

b) Center is (0,0) and radius r = 1

d) Center is (5,3) and radius r = 9

e Center is (-2,1) and radius r = 3

g) Center is (-1,-3) and radius r = 7

h) Center is (0,0) and radius r = 2.5

Step-by-step explanation:

<u><em>a)</em></u>

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The standard form of circle equation is

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Center is (0,0) and radius r = 5

b)

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The standard form of circle equation is

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Center is (0,0) and radius r = 1

d)

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The standard form of circle equation is

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Center is (5,3) and radius r = 9

e)

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The standard form of circle equation is

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Center is (-2,-1) and radius r = 3

g)

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h)

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