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Nat2105 [25]
3 years ago
10

How do you know if a vertex is a minimum or maximum

Mathematics
1 answer:
lara [203]3 years ago
7 0

If the parabola looks like an “n,” your vertex will be a maximum. If the parabola looks like a “u,” the vertex will be a minimum.

You might be interested in
Which is equivalent to log Subscript 2 Baseline n = 4?
Marrrta [24]

Answer:

n = 16

Step-by-step explanation:

Given the expression;

log_2 n = 4

If log_a b = c, then;\\a^c = b

Applying this to the question;

2⁴⁴= n

16 = n

Swap'

n = 16

Hence the value of n is 16

7 0
2 years ago
Read 2 more answers
Lea walked 1/2 mile in 1/3 hour. How long will it take lea to walk 2 1/4 miles ?
cluponka [151]

takes her 20 minutes to walk 1/2 a mile  

2 miles=80 minutes  

1/4= 10 minutes i think  

so 80+10=1 1/2

{This is not my work!!!}

5 0
3 years ago
Read 2 more answers
Evaluate (x-a+3) if the value of x is (a+7).
Nikitich [7]

Answer:

3(x - a)(x - b)(x - c) when a + b + c = 3x .

Step-by-step explanation:

i don't know but this has to be right

4 0
2 years ago
You take a three-question true or false quiz. You guess on all the questions. What is the probability that you will get a perfec
elena-14-01-66 [18.8K]
The probability that you will guess the first answer correctly  =  1/2  =  0.5
The probability that you will guess the second answer correctly  =  1/2  =  0.5
The probability that you will guess the third answer correctly  =  1/2  =  0.5

The probability that you will guess all three answers correctly is

                (0.5) x (0.5) x (0.5)  =  0.125  =  12.5% .

============================

Here are all the ways your answer sheet could wind up:
(R = a right answer.  W = a wrong answer.)

W W W 
W W R
W R W
W R R
R W W
R W R
R R W
R R R

Number of possible ways to score 0 right out of 3 questions:  1 way
Number of possible ways to score 1 right out of 3 questions:  3 ways
Number of possible ways to score 2 right out of 3 questions:  3 ways
Number of possible ways to score 3 right out of 3 questions:  1 way

Statistically, if your answers are all pure guesses, 
then on the average, the score you expect is

      (0 + 33-1/3 + 33-1/3 + 33-1/3 + 66-2/3 + 66-2/3 + 66-2/3 + 100) / 8

   =                  400 / 8

   =                      50%  .  

If you're happy with that score, great !  
Go to the movies the night before the test,
and start guessing.


5 0
2 years ago
Please Simplify these expressions:
weeeeeb [17]

Answer:

1) 2a+4a+10-6= 6a + 4

2) 3x-5x+7-7= -2x

3) - 15b+10 +10b= -5b + 10

4) - 4d+d-8-6+3b= - 3d - 14 +3b

3 0
3 years ago
Read 2 more answers
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