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kipiarov [429]
3 years ago
15

F(x)=2(x+3)^2-7 Write in standard form

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
4 0

Answer:

f(x)=4x+5 I believe this is the answer

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A right triangle has a hypotenuse that measures 42 feet and a length of another side of 31 feet. How long is the third side of t
masya89 [10]

Step-by-step explanation:

Use Pythagorean theorem:

c² = a² + b²

Here, c = 42 and a = 31.

42² = 31² + b²

b = √803

b ≈ 28.3

5 0
3 years ago
I need the answer. Please hurry
julia-pushkina [17]
The answer is the first one! :)
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3 years ago
What is -3x^2-4x-4=0
ss7ja [257]

Answer:

<h2>no real solution</h2>

Step-by-step explanation:

-3x^2-4x-4=0\qquad\text{change the signs}\\\\3x^2+4x+4=0\\\\\text{use the quadratic formula:}\\\\\text{for}\ ax^2+bx+c=0\\\\\text{if}\ b^2-4ac0,\ \text{then an equation has two solutions:}\ x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

\text{We have}\ a=3,\ b=4,\ c=4.\\\\\text{Substitute:}\\\\b^2-4ac=4^2-4(3)(4)=16-48=-32

8 0
4 years ago
Last one, please help: (Due 9/8)
Westkost [7]

Answer:

a

Step-by-step explanation:

4 0
3 years ago
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