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Paul [167]
3 years ago
10

mark spent 135$ on his comic book collection. he just sold it online for 310$. approximately what is the profit as a percent of

his original cost?
Mathematics
1 answer:
Vilka [71]3 years ago
5 0

Answer:

70% is approximately the answer

Step-by-step explanation:

135 x 2 = 270

310 - 270 = 40

35 out of 40 is 7/8.

The answer should be approx 70, I can not make sure.

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Answer:

NPL

Step-by-step explanation:

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7 0
2 years ago
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Help my on these two questions plss
Mariana [72]

7. Loan amount = $12000

Monthly payment = $380

Duration of the repayment = 3 years = 3(12) = 36 months.

Total amount Jason repaid = 36 × 380 = 13680

Interest on loan amount = amount repaid - loan amount

= 13680 - 12000

= 1680

Hence, total amount Jason paid in interest on loan = $1680 and the correct option is (D).


8. Loan amount = $35000

Monthly payment = $315

Duration of the repayment = 10 years = 10(12) = 120 months.

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Interest on loan amount = amount repaid - loan amount

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Hence, total amount Gerald paid in interest on loan = $2800 and the correct option is (B).

3 0
3 years ago
Find the number of integral solutions of x+y +z = 12, where −3 ≤ x ≤ 4, 2 ≤ y ≤ 11, and<br> z ≥ 3.
SashulF [63]

There are 59 integer solutions

Such questions are best solved by writing cases and calculating the total number of cases. So beginning with

1)  x = -3. The possible combinations are as follows:-

-3 2 13

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-3 5 10

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2) x = -2

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through

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3) x = -1

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4) x = 0

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8 combinations

as we can see from the pattern at x =1  we get 7 combinations, at x =2  we get 6 combinations, at x=3 we get 5 combinations and at x =4  we get 5 combinations.

Thus total number of combinations 4+5+6+7+8+9+10+10 = 59 integer solution.

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5 0
2 years ago
On a coordinate plane, 2 quadrilaterals are shown. Quadrilateral Q R S T has points (negative 1, 0), (5, 0), (3.5, negative 6) a
andreyandreev [35.5K]

Based on the calculations, the scale factor for this dilation is equal to 1/3.

<h3>How to determine the scale factor for this dilation?</h3>

First of all, we would use the distance formula to find the length of side QR and Q'R' as follows:

Distance = √[(x₂ - x₁)² - (y₂ - y₁)²]

Substituting the given points into the formula, we have;

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8 0
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emmasim [6.3K]

Answer:

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Step-by-step explanation:

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