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katen-ka-za [31]
3 years ago
12

Pls help (ZOOM IN TO SEE FULL PIC)

Mathematics
1 answer:
Margarita [4]3 years ago
4 0

Answer: 15

Step-by-step explanation:

Lets name the missing point as "x"

8^2 + x^2 = 17^2

=> 64 + x^2 = 289

=> x^2 = 289 - 64

=> x^2 = 225

=> x = 15

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3 years ago
Solve the equation
Vikki [24]

Answer:

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Step-by-step explanation:

Given

x² + 4x - 7 = 0 ( add 7 to both sides )

x² + 4x = 7

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add ( half the coefficient of the x- term )² to both sides

x² + 2(2)x + 4 = 7 + 4

(x + 2)² = 11 ( take the square root of both sides )

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x = - 2 + \sqrt{11} ≈ 1.32 ( to 2 dec. places )

4 0
3 years ago
a jacket originally sold for $45. this week it went on sale for 20% off. what is the discount and what is the sales price?
Strike441 [17]

Answer:

discount = 9

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Step-by-step explanation:

The discount is the price times the discount percent

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Change to decimal form

45*.20

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Graph the line y=-1/5x-2
olga nikolaevna [1]

Answer:

Can't really show a graph but I'll explain how to:

Step-by-step explanation:

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