3 years ago

Points A, Y, and B are on a straight line. Determine the measure of DYB.

Mathematics

1 answer:

kolbaska11 [484]3 years ago

7 0

Don’t understand it, is there any graphs for this ?

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Given that f(x) = x2 + 5x + 6 and g(x) = x + 2, find (fºg)(x) and

PolarNik [594]

Answer:

$(f\circ g)(x)=x^2+9x+20$

Step-by-step explanation:

We have the two functions:

$f(x)=x^2+5x+6\text{ and } g(x)=x+2$

And we want to find:

$(f\circ g)(x)$

This is equivalent to:

$(f\circ g)(x)=f(g(x))$

Therefore, we will have:

$f(x+2)$

By substitution:

$f(x+2)=(x+2)^2+5(x+2)+6$

Simplify. Square and distribute:

$f(x+2)=(x^2+4x+4)+(5x+10)+6$

Rearrange:

$f(x+2)=(x^2)+(4x+5x)+(4+10+6)$

Combine like terms:

$f(x+2)=(f\circ g)(x)=x^2+9x+20$

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3 years ago

How many hundredths in 45.972

timama [110]

It's the 7 because it"s in the hundredths spot. So it makes it 7 hundredths.

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3 years ago

12 gallons 1 quart divided by 7

Monica [59]

<span>0.321428571 US gallons i just used a calculator and this is what came up sorry if its wrong but have a nice day :)</span>

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3 years ago

Please explain the steps to answer this<br> 2|6y-4|-3=7

dem82 [27]

First you need to do the distributive property
2|6y-4|-3=7
12y +8 -3 =7 then you combine like terms
12y + 5 =7 then you subtract 5 from 7
12y=2 then divide by 12
y=0.17 or 1/6 <--- that's your answer

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3 years ago

The square root of a number is 2k. what is half of the number?

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