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olganol [36]
3 years ago
11

15. (3x + 6) - (3x - 6)

Mathematics
2 answers:
coldgirl [10]3 years ago
6 0

Answer:

12

Step-by-step explanation:

Distribute the negative which would get your 3x + 6 -3x + 6. The 3x would cancel out and you would add 6+6 = 12

Black_prince [1.1K]3 years ago
3 0

Answer:

12

Step-by-step explanation:

1. Write the problem.

(3x+6)-(3x-6)

2. Put a 1 after the subtraction/negative sign because there is technically a 1 after the subtraction/negative sign between the two phrases.

= (3x+6)-1(3x-6)

3. Distribute the -1 to the 2nd part.

= (3x+6) + (-3x+6)

4. Simplify the equation.

= 3x+6-3x+6

5. Find like terms.

= 3x<u>+6</u>-3x<u>+6</u>

The 3x and -3x cancel each other out, leaving <u>6+6</u>.

So, the answer is 12.

Hope this helps you understand a little more!!

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1. 5 less than one fourth of x is y.
horsena [70]

Answer

y = (1/4)x - 5                 or     4y - x + 20 = 0

Explanation

To get the rule required, we interpret the sentence and write it in a mathematical form.

5 less than one fourth of x is y  

one fourth of x ⇒ (1/4)x

5 less than one fourth of x is y  ⇒  (1/4)x - 5 = y

y = (1/4)x - 5

4y = x - 20

4y - x + 20 = 0

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3 years ago
The high temperature on Friday was 8 degrees above zero. The low temperature was 3 degrees below zero. Which expression can find
Andreas93 [3]
(8 + (-3)) / 2
= (8 - 3) / 2
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8 0
3 years ago
4(7/8)+7(3/4+1/8)-10 what’s the answer to this? It’s pretty tough ;-;
NISA [10]
Hopes this helps:

Answer: -3/8

Have a great day.
6 0
2 years ago
PLZZZZ HELP MEEEEE IM GIVING 20 POINTS
Naily [24]
1.theoretical is not counting the results of the experimentssince there are an equal number of red and black and red, the probblity (theoretical) of picking a black one is 1/3
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2. experimental considered previous trials and theoretical did not

3. theoretical=(1/4) the trials don't influence each other so1/(4*4)=1/16
3 0
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