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Jet001 [13]
3 years ago
7

Factorize : a2 + b2 _ 2(ab - ac + bc ).

Mathematics
1 answer:
ruslelena [56]3 years ago
7 0
(a² + b² - 2ab)  + 2ac - 2bc = (a - b)² + 2c(a-b) = (a-b)(a-b +2c)
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What number is 9.5% of 20?
mars1129 [50]
1.9


9.5% = 0.095

0.095* 20 = 1.9
7 0
3 years ago
nter an equation and an answer to the following question: What is the original list price if the discount is $25 and the discoun
castortr0y [4]

Let us set up an equation, to determine the list price. X represents the original price

.12 * x = 25

In order to solve for X, you must divide .12 from both sides

x = 25/.12

After you divide, you should get the number 208.33

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So, the original list price is $208.33

7 0
3 years ago
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ASHA 777 [7]
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3 years ago
What is the perimeter of the trapezoid with vertices Q(8, 8), R(14, 16), S(20, 16), and T(22, 8)? Round to the nearest hundredth
andre [41]

Answer:

The perimeter is 38.25 units

Step-by-step explanation:

The perimeter of the tra-pezoid is the distance around it.

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d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

We use the distance to find the non parallel sides.

|ST|=\sqrt{(20-22)^2+(16-8)^2} =8.25 units.

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7 0
3 years ago
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yulyashka [42]

Answer:

4 1/4 + 3 1/4 = 7 1/2

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7-4= 3 so therefore you would have 3 1/4

7 0
3 years ago
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