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Shkiper50 [21]
3 years ago
9

2(x+4)+4xsimplify expression​

Mathematics
1 answer:
OLEGan [10]3 years ago
4 0

Answer:

6x+8

Step-by-step explanation:

2(x+4)+4x

2x+8+4x

6x+8

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Can you guys help me with number 6 and 7??????
Sergio039 [100]
The formula to find area would be length times height times width. In number six, the prism is 12 cm in length, 9 cm wide, and 5 cm high. So your equation would be 12 x 5 x 9. Your answer would be 540 cm squared.

Don't know about number seven, though
5 0
3 years ago
Given the following three arithmetic sequences : 1, 3, ... and 1, 4, ... and 1, 5, ... A number is randomly selected from 1 to 1
ladessa [460]

Answer:

  0.333

Step-by-step explanation:

The first sequence starts at 1 and has a common difference of 2. It will include every odd number in the range.

__

The second sequence starts at 1 and has a common difference of 3. It will include odd numbers and the even numbers 4, 10, 16, .... That is, all even numbers of the form 6n -2 will be included. The last one corresponds to the largest value of n such that ...

  6n -2 ≤ 1000

  6n ≤ 1002

  n ≤ 167

That is, 167 even numbers will also be excluded.

__

The third sequence starts at 1 and has a common difference of 4. Every number in this sequence is also a number in the first sequence.

__

So the numbers in these sequences include all 500 odd numbers and 167 even numbers, for a total of 667 numbers. The probability that a randomly chosen number is not in one of these sequences is ...

  (1000 -667)/(1000) = 333/1000 = 0.333 . . . . p(not a sequence term)

8 0
3 years ago
Which equations are related equations to x+14=12x+14=12?
Nataly_w [17]
X + 14 = 12
x + 14 - 14 = 12 - 14
x = 12 - 14

Options B and C are related to the given equation.
4 0
3 years ago
Your mother takes you to your grandparents’ house for dinner. She drives 60 minutes at a constant speed of 40 miles per hour. Sh
Tomtit [17]

Answer:

a) 75 miles

b) 90 minutes

c) His constant speed was higher for a longer period of time

Step-by-step explanation:

a) 70 / 2 = 35

40 + 35 = 75

b) 60 + 30 = 90

4 0
3 years ago
What is the line of reflection?
Naily [24]

Answer:

Y Axis

Step-by-step explanation:

The y axis is the best so it reflects off of both sides of the best axis in the world.

6 0
3 years ago
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