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juin [17]
3 years ago
13

PLEASE HELP 5. If t= -3, then 3t^2 +5t +6 equals A. -36 B. -6 c. 6 D. 18

Mathematics
2 answers:
wel3 years ago
8 0

Step-by-step explanation:

According to the question , value of t = (-3) . So on directly putting t = (-3) in expression we have ,

\tt \to 3t^2 +5t+6 \\\\\tt\to 3(-3)^2+5(-3)+6 \\\\\tt\to (3)(9)-15 +6 \\\\\tt\to 27 - 15 +6 \\\\\tt\to \boxed{\orange{\tt 18 }}

Nataliya [291]3 years ago
6 0

Answer:

D

Step-by-step explanation:

substitute t=-3 in the equation

3(-3) squared +5(-3)+6=18

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angle AOB = 132 and is also the sum of angles AOD and DOB. Hence 
angle AOD + angle DOB = 132°    ---> 1 

angle COD = 141 and is also the sum of angles COB and BOD. Hence 
angle COB + angle DOB = 141°    ---> 2

Now we add the left sides together and the right sides of equations 1 and 2 together to form a new equation. 

angle AOD + angle DOB + angle COB + angle DOB = 132 + 141       ---> 3 

We should also note that: 
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Therefore substituting angle AOD + angle DOB + angle COB in equation 3 by 180 and solving for angle DOB:
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3 years ago
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Answer:

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Explanation:

As his uniform is made up of tan or blue pants and a blue or white collared shirt.

So, there are possibly four combinations which are as follows:

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As Benjamin carries an extra piece of white shirt. So, he has a little bit better than 25% chance of wearing his favorite combination.

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<em>Keywords: probability, chance</em>

<em> Learn more about from /brainly.com/question/14382310</em>

<em> #learnwithBrainly</em>

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Answer:

the answer is 1

Step-by-step explanation:

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