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Archy [21]
2 years ago
11

Which two expressions are equal?

Mathematics
1 answer:
guapka [62]2 years ago
4 0
Answer: C and d my guy becuz u have to calculate all and see answers moomoo
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Mr. Loureiro simplified the expression 3x + 5(3x + 6) as 18x + 6. Is he
IrinaK [193]

Answer:

He was incorrect

Step-by-step explanation:

3x+5(3x+6)

multiply whats inside the parenthesis by whats outside

3x+15+30

he forgot to multiply 6x5 too.

8 0
3 years ago
(2a^6-6a^3)^2 expand and combine like terms
MrMuchimi
The answer is 4x^12-24x^9+36x^6

For a more detailed answer, check the picture below.

4 0
2 years ago
2nq=3+7nq solve for n thanks
Gnesinka [82]

Answer:

n = - \frac{3}{5q}

Step-by-step explanation:

Given

2nq = 3 + 7nq ( subtract 7nq from both sides )

- 5nq = 3 ( divide both sides by the multiplier - 5q )

n = \frac{3}{-5q} = - \frac{3}{5q}

7 0
3 years ago
Read 2 more answers
Complete the pattern 444
astra-53 [7]
444..etc. etc. thats what i thought its simple really.
7 0
3 years ago
A briefcase has a three- digit lock code that doesn't include zero as a digit. What is the probability that the lock code consis
storchak [24]

Answer:

1/21.

Step-by-step explanation:

There are 9 digits and the total number of permutations of 3 from 9 is 9P3

= 9!/6!  = 504.

There are 4 even digits so the number of permutations of 3 from these 4 is 4!  (4-3)!  = 4*3*2 = 24.

So the required probability =  24/504

= 1/21.

5 0
3 years ago
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