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adelina 88 [10]
2 years ago
7

a printer charges a fixed set of Cost Plus $15 for every hundred copies if 300 copies cost $75 how much will a thousand copies c

ost? ​
Mathematics
2 answers:
melamori03 [73]2 years ago
7 0
(15 • 3 sets of 100 copies) + x = 75 to find the fixed cost
45 + x = 75
x = $30

1,000 copies = 10 sets of $100
(15 • 10) + 30 = 150 + 30 = $180 for 1,000 copies
ladessa [460]2 years ago
7 0
First, 1000 copies means ($15* every 100 copies),
Second, 1000/100 = 10 charges of $15 becoming ($15 * 10)
That equals...
$150 for the 1000 copies.

Good luck to you!
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OPEN-UP... | GRADE
allochka39001 [22]

Answer:

The answer to your question is: 19 l

Step-by-step explanation:

Data

20 quarts to liters

Process

Rule of three

                         1 quart ------------------  0.946 l

                       20 quarts --------------     x

                           x = (20 x 0.946) / 1

                           x = 18.92 l ≈ 19 l

6 0
3 years ago
Read 2 more answers
Help anyone? please?
ValentinkaMS [17]

Answer:

x=11.2

Step-by-step explanation:

Set up a proportion:

x+11/36 = 37/60

Cross multiply:

1332=60(x+11)

Distribute:

1332=60x+660

Subtract 660 from 1332

672=60x

Divide:

x=11.2

I'm not sure if this is the correct answer but I hope this helps! :)

Correct me if I'm wrong!

6 0
3 years ago
Which algebraic expression represents “Marcus ran four times as far this week”? 4 + n 4n n – 4
disa [49]

Answer:

The Answer would be 4n

Step-by-step explanation:

Since Marcus ran four times as far this week, we need to know how far he ran last week in order to solve this expression. Since we do not know this information it becomes our variable (n). From the statement we can also infer that there is multiplication since he states the word "times". Therefore our Algebraic Expression would be the following.

P = 4n

P being distance ran by Marcus, and n being distance ran last week by Marcus.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

5 0
3 years ago
Read 2 more answers
Can anyone pls help me with this I'll mark as brainlist for correct answer please do explain in detail each answers Ty! (I'm pre
densk [106]

<u>Question 8</u>

a^2 + 7a + 12

= (a+3)(a+4)

When factorising a quadratic, the product of the two factors should equal the constant term (12), and the sum of the two factors should equal the linear term (7). To find the two factors, list out the factors of 12 (1x12, 2x6, 3x4) and identify the pair that adds up to 7 (3+4).

An alternative method if you get stuck during your exam would be to solve it algebraically using the quadratic formula and then write it in the factorised form.

a = (-7 +or- sqrt(7^2 - 4(1)(12)) / 2(1)

= (-7 +or- sqrt(1))/2

= -3 or -4

These factors are the negative of the values that would go in the brackets when written in factorised form, as when a = -3 the factor (a+3) would equal 0. (If it were positive 3 instead, then in the factorised form it would be a-3).

<u>Question 10</u>

-3(x - y)/9 + (4x - 7y)/2 - (x + y)/18

Rewrite each fraction with a common denominator so you can combine the fractions into one.

= -6(x - y)/18 + 9(4x - 7y)/18 - (x + y)/18

= (-6(x - y) + 9(4x - 7y) - (x + y)) /18

Expand the brackets and collect like terms.

= (-6x + 6y + 36x - 63y - x - y)/18

= (29x - 58y)/18

= 29/18 x - 29/9 y

7 0
2 years ago
Simplify -2X + 4Y -16
Novosadov [1.4K]
The answer is -2(x+6)
6 0
2 years ago
Read 2 more answers
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