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Alex73 [517]
3 years ago
11

Susie bought a $2,100 computer on an installment plan

Mathematics
1 answer:
fomenos3 years ago
5 0

Answer:

$110 interest paid

Step-by-step explanation:

Let's see how much ultimately Susie has to pay.

90 per month for 2 years (2*12 = 24 months) = 90 * 24 = $2160

Also, she made a 50 dollar downpayment, so total paid is:

2160 + 50 = 2210 dollars

Thus, the cost is 2100, but ultimately she has to pay 2210 for using installment plan.

<u>How much interest is that?</u>

The exxtra amount is the interest, so

2210 - 2100 = $110 interest paid

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In the equation 3x+ 2 = 11 which number is the constant?
grigory [225]

Answer:

The constant is 2 and 11

Step-by-step explanation:

A constant is a number that always has the same value. In this equation 2 and 11 are the constants because they stay the same. 3x doesn't stay the same because 3 is multiplying x.

Hope This Helps :)

6 0
3 years ago
Solve for x using desmos or the quadratic formula 2x^2 - 5x - 12 = 0
ivanzaharov [21]

Answer:

x = 4 or x = (-3)/2

Step-by-step explanation:

Solve for x over the real numbers:

2 x^2 - 5 x - 12 = 0

x = (5 ± sqrt((-5)^2 - 4×2 (-12)))/(2×2) = (5 ± sqrt(25 + 96))/4 = (5 ± sqrt(121))/4:

x = (5 + sqrt(121))/4 or x = (5 - sqrt(121))/4

sqrt(121) = sqrt(11^2) = 11:

x = (5 + 11)/4 or x = (5 - 11)/4

(5 + 11)/4 = 16/4 = 4:

x = 4 or x = (5 - 11)/4

(5 - 11)/4 = -6/4 = -3/2:

Answer:  x = 4 or x = (-3)/2

5 0
3 years ago
Read 2 more answers
Which set of numbers is range in decreasing order
rosijanka [135]
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6 0
3 years ago
The sum of two positive numbers is 588. minimize the sum of the first and three times the second
Marianna [84]

9514 1404 393

Answer:

  {587, 1}

Step-by-step explanation:

The sum will be minimized when the second number is as close to zero as is allowed. If the numbers must be positive integers, the sum is minimized when the numbers are {587, 1}.

If the numbers may be real numbers, then the values that minimize the sum are {588-, 0+}

_____

The "cost" of taking a unit from the sum 588 and assigning it to the second number is that the sum of first and 3 times the second goes up by 3. In order to minimize that sum, the second number must be minimized.

6 0
3 years ago
Where to put parentheses on 15\3+2•11 to make the answer 27
Allisa [31]

Answer:

It’s 15/3+(2•11)

Step-by-step explanation:

6 0
3 years ago
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