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tangare [24]
2 years ago
11

. In triangle DEF, the measure of angle D is 122º. Angle E is acute, and angle F is 19º. What is the measure of angle F in degre

es?​
Mathematics
1 answer:
MrRa [10]2 years ago
5 0

Answer: 19 degrees is your answer

Step-by-step explanation:

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BlackZzzverrR [31]
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3 years ago
Write the equations in graphing form, then state the vertex of the parabola or the center and radius of the circle.
Sati [7]
All we need is to put this form in the vertex form f(x) = (ax+b)^2 + c

So we have <span>f (x)= 3x^2+12x+11 ....

Let's complete the square (if you aware of it)
</span><span>
f(x)= 3x^2+12x+11 = 3(x^2+4x)+11 = 3(x^2+4x+4-4)+11
=</span><span> 3([x^2+4x+4]-4)+11 = 3[(x+2)^2-4]+11 =3</span><span>(x+2)^2 - 12 +11 = 3</span><span><span>(x+2)^2 -1

so our form would be:

f(x)=3(x+2)^2-1


Here is a parabola with vertex of (-2,-1) and with positive </span> slope (concave up)





</span>

I hope that helps!



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3 years ago
ALMOST DONE PLEASE HELP ME WITH MY LAST QUESTION!!!
Oduvanchick [21]

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Step-by-step explanation:

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2 years ago
51668 to the nearest hundred
julia-pushkina [17]

Answer:

51700

Step-by-step explanation:

So basically you take the last  three numbers. the middle 6 is over 5 so you round the first 6 to 7 and the rule for that is 5 or above round up 4 or below round down  

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