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Mrrafil [7]
3 years ago
14

Need help it can be multiple answers explain p

Mathematics
1 answer:
Karolina [17]3 years ago
3 0

Here we are given the expression : z+ (z+6)

In this we will use the concept of like terms.

Like terms are terms whose variables (and their exponents such as the 2 in x²) are the same. In other words, terms that are "like" each other.

so here we have z and z which have same exponent which is 1.

So we can say that z and z are like terms.

So adding z and z we get 2z

so our expression becomes 2z+3

Now we may use distributive property here which is :

ab + ac = a(b+c)

where "a" is gcf of the two terms.

so in our expression 2z+6 , gcf is 2

taking 2 common out we have 2(z+3).

So answer is option c) 2(z+3).

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A bag contains 8 red balls and 6 blue
Andreyy89

Answer:

The probability that all 3 balls are red is 18.65%, while the probability that all 3 balls are blue is 7.87%.

Step-by-step explanation:

Since a bag contains 8 red balls and 6 blue balls, and Radhika takes three balls at random from the bag, without replacement, to calculate the probability that the three balls are the same color, the following mathematical operations must be performed:

8 + 6 = 14

14 = 100

8 = X

8 x 100/14 = X

800/14 = X

57.14 = X

100 - 57.14 = 42.86

0.5714 ^ 3 = X

0.1865 = X

0.4286 ^ 3 = X

0.0787 = X

Therefore, the probability that all 3 balls are red is 18.65%, while the probability that all 3 balls are blue is 7.87%.

5 0
2 years ago
Help me out pleasee will give brainliest or whatever its called
Brums [2.3K]

Answer:

-8z-1

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
For each equation, determine whether it represents a direct variation, an inverse variation, or neither. Find the constant of va
rewona [7]
Both inverse variation’s. K=constant=9,6
6 0
3 years ago
How do I solve this?<br><br> x/3 + x^2 + 2x^2 - x/3
Anna11 [10]

Answer:

3x²

Step-by-step explanation:

\frac{x}{3}  + x^{2} +2x^{2} -\frac{x}{3} =

x^{2} +2x^{2} =

3x^{2}

3 0
2 years ago
Please answer!!! Will mark brainliest answer !!!
kenny6666 [7]

Answer:

A, D

Step-by-step explanation:

When we multiply the fractions, we can get:

\frac{1}{5^{4} }

This is also equivalent to:

5^{-4}

When looking at the answer choices, the only ones that equal 5^{-4} are A and D because:

(5^{-2})^{2}  =5^{-4}

5^{2}*5^{-6} = 5^{-4}

3 0
3 years ago
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