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Dmitry_Shevchenko [17]

2 years ago

5

Please help I am stuck

1 answer:

andrew-mc [135]2 years ago

8 0

I don’t see the whole thing so I can’t even answer it sorry

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A) 1<br> b) -20<br> c) 20<br> d) 7

Ipatiy [6.2K]

$f(x)=x^2;\ g(x)=x-3\\\\(g\ \circ\ f)(x)=(x^2)-4=x^2-3\\\\\text{Put x = -2 to the equation}\\\\(g\ \circ\ f)(-2)=(-2)^2-3=4-3=1\to\boxed{a)}$

3 0

2 years ago

What is the algebraic rule for reflection

Basile [38]

When you reflect a point across the y-axis, the y coordinate remains the same, but the x-coordinates is transformed into its oppisite

7 0

2 years ago

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How many regular triangles meet at a vertex to form a regular tessellation?

nirvana33 [79]

6 regular triangles meet at vertex to form a regular tessellation.

Answer is D.

Hope it helps!

4 0

2 years ago

Read 2 more answers

Help asap help please.

Xelga [282]

Answer:

30(x+1)/(x+7)

Step-by-step explanation:

This is not a rational expression because denominator has a domain of which it can be undefined.

To rationalize multiply by the reciprocal of the denominator (1/6+1/x+1)

___<u>5___ </u>*(6)(x+1) --> _____<u>30(x+1)_____</u> --><u> 30x+1</u>_ --> <u>30x+1</u>

1/6+1/x+1 *(6)(x+1)--> 6(x+1)/6 + 6(x+1)/(x+1) --> (x+1)+6 --> x+7

Final Answer: 30(x+1)/(x+7)

7 0

2 years ago

If a regular decagon with 6 cm sides has an area of 276.99 cm squared, what is the length of the apothem to the nearest hundredt

bezimeni [28]

According to the attached formula:
apothem = side length / 2 * tan (180/number of sides)
apothem = 6 / 2 * tan (180/10)
apothem = 6 / 2 * 0.32492
apothem = <span> <span> <span> 9.23 cm
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4 0

2 years ago