3 years ago

1) Simplify into Standard Form. 2(x – 3)^2 – 1 help !

1 answer:

6 0

2x^2 - 12x + 17

you just simplify it by doing the square number to the bracket and then multiply everything in the bracket by the number outside the bracket (this example 2)

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The non-negative root of a number is called

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A non-negative root of a number is called Square Root

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What is the solution to the system of equations below?

Karolina [17]

Answer:

The solution is the point (18,0)

Step-by-step explanation:

we have

$y=-\frac{1}{3}x+6$ -----> equation A

$y=\frac{1}{3}x-6$ -----> equation B

Solve the system by substitution

substitute equation B in equation A

$\frac{1}{3}x-6=-\frac{1}{3}x+6$

solve for x

Adds (1/3)x both sides

$\frac{1}{3}x-6+\frac{1}{3}x=6$

$\frac{2}{3}x-6=6$

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$\frac{2}{3}x=6+6$

$\frac{2}{3}x=12$

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<em>Find the value of y</em>

substitute the value of x in equation A or equation B

$y=-\frac{1}{3}(18)+6=0$

therefore

The solution is the point (18,0)

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3 years ago

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Suppose you had d dollars in your bank account. You spent $21 but have at least $53 left. How much money did you have initially?

likoan [24]

D-21≥ 53 hope this helps

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3 years ago

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20 points!! Please look at the picture below

Thepotemich [5.8K]

Answer:

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A=1/2b(c+d) solve for c

TiliK225 [7]

Answer:

c = $\frac{2A}{b}$ - d

Step-by-step explanation:

Multiply both sides by 2 to eliminate the fraction

2A = b(c + d) ← divide both sides by b

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3 years ago