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steposvetlana [31]

2 years ago

8

Help triangles please 8th grade

1 answer:

algol [13]2 years ago

3 0

The Side line is A, the top is B, and the diagonal line is C. Do A^2 x B^2 = C^2

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Find ( f - g)(x).<br><br> f (x) = -2x2 - 2x - 3 and g(x) = 3x2 - 4x - 4

Kruka [31]

Answer:

$\large\boxed{(f-g)(x)=-5x^2+2x+1}$

Step-by-step explanation:

$(f-g)(x)=f(x)-g(x)\\\\\text{We have}\ f(x)=-2x^2-2x-3\ \text{and}\ g(x)=3x^2-4x-4.\\\\\text{Substitute:}\\\\(f-g)(x)=(-2x^2-2x-3)-(3x^2-4x-4)\\\\(f-g)(x)=-2x^2-2x-3-3x^2+4x+4\qquad\text{combine like terms}\\\\(f-g)(x)=(-2x^2-3x^2)+(-2x+4x)+(-3+4)\\\\(f-g)(x)=-5x^2+2x+1$

3 0

3 years ago

Please please help me

jonny [76]

i dont really know.....

8 0

2 years ago

If (20, 14) is an ordered pair of the inverse of F(x), which of the following is an

Law Incorporation [45]

Answer:

A. (14,20)

Step-by-step explanation:

The inverse relation is found by swapping x and y in the ordered pair.

When ...

14 = f^-1(20)

then ...

20 = f(14)

The corresponding ordered pair is (14, 20).

3 0

3 years ago

Select the equivalent expression.

ANEK [815]

Answer:

c

Step-by-step explanation:

$\frac{1}{9^{2} }$ =1/81

$9^{\frac{1}{2} }$ =3

$\frac{1^{2} }{9}$ = $\frac{1}{9}$

$9^{-2}$ =1/81

5 0

2 years ago

I need help with this!!!

OleMash [197]

Answer:

yes because I need to be a good person

3 0

2 years ago