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lianna [129]
2 years ago
10

X2–6x + 10 is to be written in the form ( x +a)2+ b Find the values of a and b.

Mathematics
1 answer:
vampirchik [111]2 years ago
8 0

Answer:

a = -3 and b = 1

Step-by-step explanation:

x² - 6x + 10

→ Half the second term and place it in the bracket

( x - 3 )²

→ Square -3

- ( 3 )² = -9

→ Place this outside the brackets along with plus 10

( x - 3 ) ² - 9 + 10

→ Simplify

( x - 3 ) ² + 1

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Harrizon [31]

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102 = 2(x+9) + 2x

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102 = 4x +18

84 = 4x

21 = x

Length = x = 21 inches

Width = x + 9 = 21 + 9 = 30 inches

7 0
3 years ago
Which choices are equivalent to the exponential expression below? Check all that apply . (4/5) ^ 3 B. 64/125 (4/5)(4/5) + (4/5)
Dmitrij [34]

Answer:

B) 64/125

Step-by-step explanation:

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3 years ago
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Solve for x and round yout answer to the nearest tenth.
Evgesh-ka [11]

Answer:

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Step-by-step explanation:

Take SOHCAHTOA

in this problem you're going to use SOH, which is sine= opposite/hypotenuse

sin31=11/x

Multiply by x as a way to isolate it

x(sin31)=11

divide my sin31 to isolate x

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5 0
3 years ago
Pleasee its pretty easy someone helpp
SVEN [57.7K]

Answer:

81.5, 9, 180

Step-by-step explanation:

28.

c=9

9x9=81

a=1/2

81+1/2=81.5

29.

9x1/2=4.5

4.5x2=9

30.

15x15=225

9x5=45

225-45=180

hope this helps!!!

6 0
3 years ago
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Answer:

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Step-by-step explanation:

In pic

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