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Nimfa-mama [501]
3 years ago
11

For #1-2, model each expression. Then simplify the expression. Expression Model Simplified 1. 3(2x + 1) 2. 2(3x – 2) In #3-4, si

mplify the expression. Models are optional. 3. 4(x + 1) 4. –2(x + 3)
Mathematics
2 answers:
charle [14.2K]3 years ago
7 0

Answer:

to be continued

Step-by-step explanation:

:-()

lesantik [10]3 years ago
4 0

Answer:

see below

Step-by-step explanation:

1.  3(2x + 1)

Distribute

3 * 2x +3*1

6x+3

2. 2(3x – 2)

Distribute

2 * 3x - 2 *2

6x -4

3.  4(x + 1)

Distribute

4*x +4*1

4x+4

4.  –2(x + 3)

Distribute

-2*x -2*3

-2x-6

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A truck travels beneath an airplane that is moving 160 km/h at an angle of 54.0 ◦ to the ground. How fast must the truck travel
Maksim231197 [3]

Answer:

2. 94.0 km/h

Step-by-step explanation:

since the airplane is moving at angle of 54° from the ground, the horizontal component of the velocity is given by cos component

speed of air plane= 160 km/hr

horizontal component of velocity v= 160 cos 54°

= 94.045 km/hr

Thus  the truck must travel at an speed of  94.0 Km/hr hence second option is correct.

6 0
3 years ago
Help plz and thanks
rodikova [14]

Answer:

6b

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
PLEASE ANSWER THIS ASAP, I WILL BE GIVING YOU A THANKS!
densk [106]

Answer:

I would say D. There is no logical explanation for the final answer but there is for everything else.

For A: Makes sense because 3x-2 are in parenthesis outside a number so you can multiply.

For B: Makes sense because you are allowed to add/subtract like terms but in this case only subtracting would make sense, (which is what they did) since you want to get all the like terms on one side.

For C: Makes sense because you are trying to simplify the equation, and they are both like terms (they are both numbers that have no letter attached to them) and they are on the opposite side making them able to be simplified.

For D: No idea what the point is.

7 0
2 years ago
( - 37 + 37 ) ÷ - 15 = What is the answerr​
Eduardwww [97]

Answer:

0

Step-by-step explanation:

~~~(-37+37 )\div(-15)\\\\=0\div (-15)\\\\=0

5 0
2 years ago
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make m the subject!
Xelga [282]
How to:
a+b-mx=0
a+b=mx
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