3 years ago

Which statement is true about a trend line?

Mathematics

1 answer:

tiny-mole [99]3 years ago

7 0

A is the correct answer!

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A triangle has the side lengths of 12, 34, 45. Is it a right triangle?

deff fn [24]

Answer:

Step-by-step explanation:

a^2+b^2=c^2?

12^2+34^2=45^2?

1300≠2025

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4 years ago

A circle is centered at (−4, −6) and has a radius of 3. Which of the following is the equation for this circle? (6 points)

ANTONII [103]

$\bf \textit{equation of a circle}\\\\ 
(x- h)^2+(y- k)^2= r^2
\qquad 
center~~(\stackrel{-4}{ h},\stackrel{-6}{ k})\qquad \qquad 
radius=\stackrel{3}{ r}
\\\\\\\
[x-(-4)]^2+[y-(-6)]^2=3^2\implies (x+4)^2+(y+6)^2=9$

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4 years ago

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Write the explicit formula that represents the geometric sequence -2, 8, -32, 128

lora16 [44]

$a_{1}=-2 \\ \\ a_{2}=8 \\ \\ q= \frac{a_{2}}{a_{1}} \\ \\ q= \frac{8}{-2}=-4 \\ \\ a_{n}=a_{1}*q^{n-1} \\ \\ a_{n}=-2*-4^{n-1}$

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3 years ago

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Vika [28.1K]

Answer:

Step-by-step explanation:

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3 years ago

Can someone help with this please

crimeas [40]

Answer:

$3^2$

Step-by-step explanation:

$\frac{3^8*\:3^4}{3^2*\:3^8}$

Apply Exponent rule: $a^b\cdot \:a^c=a^{b+c}$

$\frac{3^{12}}{3^8* \:3^2}$

$\frac{3^{12}}{3^{10}}$

Apply exponent rule: $\frac{x^a}{x^b}=x^{a-b}$

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4 years ago

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