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Dmitriy789 [7]
3 years ago
9

The third musketeer on this excursion bought an iWatch for $220, that was originally $250. What was the percent discount on his

watch?
Mathematics
1 answer:
Viktor [21]3 years ago
4 0
30 dollars
250
- 220
——-
30
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382 3/10 - 191 87/100=
jonny [76]
382\frac{3}{10}-191\frac{87}{100}=\ \ \ | make\ a\ common\ denominator\\\\
382\frac{30}{100}-191\frac{87}{100}=\\\\
381\frac{130}{100}-191\frac{87}{100}=190\frac{130-87}{100}=190\frac{43}{100}\\\\Solution\ is\ 190,43.
8 0
2 years ago
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Find the greatest common factor of 34 and 49.
MAXImum [283]

Answer:

7

Step-by-step explanation:

We found the factors and prime factorization of 34 and 49. The biggest common factor number is the GCF number.

So the greatest common factor 34 and 49 is 7.

3 0
2 years ago
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A farmer creates a rectangular pen using part of the wall of a barn for one side of the pen and a total of 130 feet of fencing f
Nat2105 [25]

The equation that describes the which gives the area of the pen, A, as a function of x, the length of fence parallel to the barn is A = 130x - x²

<h3>How to find area of a rectangle?</h3>

The pen is rectangular. Therefore,

area of a rectangle = lw

where

  • l = length
  • w = width

Therefore,

perimeter = 2w + l

perimeter = 2w + x

130 = 2w + x

130 - x = 2w

w = 65 - 1/ 2 x

A = xw

A = x(65 - 1/ 2 x)

A = 65x - 1 / 2 x²

Therefore, the function that represents A, the area of the pen is as follows:

A = 130x - x²

learn more on rectangle here: brainly.com/question/12685460

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8 0
2 years ago
2abc - 3ab if a=2 b=-3 and c=4
Margarita [4]
2abc - 3ab ║ 2 (2) (3) (4) - 3 (2) (3)

You would multiply and the products - you are going to subtract
2 × 2 × 3 × 4 = 48
3 × 2 × 3 =     - 18
                    -------
        answer:    30
7 0
3 years ago
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Find the total surface area of this square based
MrRissso [65]

Answer:

300ft^2

Step-by-step explanation:

Total surface area = Area of base + (1/2) x perimeter of base x slant height

Area of base = length² = 10 x 10 = 100

Perimeter of base = 2 ( length + breadth)

2 x 20 = 40

slant height = 10

100 + (1/2) x 40 x 10 = 300 ft^2

7 0
3 years ago
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