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Kruka [31]
3 years ago
8

PLEASE HELP!!!!!! ASAP

Mathematics
1 answer:
deff fn [24]3 years ago
6 0

the first one. The camera focuses on the audience


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3+(4+5) = ( 3+4 ) +5.THIS IS AN EXAMPLE OF THE ---------OF WHOLE
navik [9.2K]

Answer:

D.

Step-by-step explanation:

The problem is clearly addition, so we can rule out B and C. Associative property is the movement of the parentheses, whereas commutative property is the movement or reorganization of the numbers. The parentheses moved in this problem, so it is associative. I suggest reviewing these properites, they come in handy later and are good to know :)

8 0
2 years ago
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Which of the following constants can be added to x2 + x to form a perfect square trinomial?
solmaris [256]

The constant should be added to form a perfect square trinomial will be 1/4. Then the correct option is D.

<h3>What is a quadratic equation?</h3>

It's a polynomial with a value of zero. There exist polynomials of variable power 2, 1, and 0 terms. A quadratic equation is an equation with one statement in which the degree of the parameter is a maximum of 2.

The expression is x² + x.

Then the constant should be added to form a perfect square trinomial.

Then the constant will be

The square of the half of the coefficient of the variable x is to be added to make a perfect square.

Then the constant will be 1/4.

Then the perfect square will be

\rm \rightarrow x^2 + x + \dfrac{1}{4}\\\\\\\rightarrow x^2 + 2 \times \dfrac{1}{2} x + \left (\dfrac{1}{2} \right )^2\\\\\\\rightarrow \left (x + \dfrac{1}{2} \right)^2

More about the quadratic equation link is given below.

brainly.com/question/2263981

#SPJ1

4 0
2 years ago
Martinbly.com
Lesechka [4]

Answer:

55.5

Step-by-step explanation:

6 0
2 years ago
If the sudent has grades of 62,67,75, and 89 what is the student's grade befire taking the final exam?
MrMuchimi

Answer:

73.25

Step-by-step explanation:

Add all numbers and divide by 4 to get the average grade.

3 0
2 years ago
BRAINLIEST!!- Find 0.25of 40
ipn [44]

Answer: 25% of 40 or 0.25 of 40 is 10.

Step-by-step explanation:

Basically you have to divide 40 by 10 because 1/4 of 100 is 25. 25 is 1/4 of 100.

So knowing this 40/0.25 is equal to 10. This is why 0.25 of 40 is 10.

7 0
2 years ago
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