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FinnZ [79.3K]
2 years ago
7

Is 3x + 12 +x and 4 (3 + x) equivalent .Why and Whynot?

Mathematics
2 answers:
VARVARA [1.3K]2 years ago
7 0

Answer: They are

Step-by-step explanation: the first one you add both terms of x’s and you get 12+4x. The second one you use the distributive property, 4*3+4*x and get 12+4x.

Luden [163]2 years ago
4 0

Answer:

no because yes 4 multiplied by 3 its x but the 4 can still not replace the x

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"Seven less than a number, divided by 5, is -2." Can you turn it into a equation please??
Xelga [282]

Answer:

Seven less than a number, divided by 5, is -2." Can you turn it into a equation please??

let the number be x

x-7/5= -2

x-7= -10

x= -10+7

x= -3

Step-by-step explanation:

7 0
3 years ago
A plane intersects a double-napped cone so that it contains the generating line.
mr Goodwill [35]

To understand this picture 2 cones that are stacked one on top of another. A double-napped cone is created when a generator is rotated about a fixed vertical axis. A line is created when the cone is cut by a plane containing the generator. Please see the attachment to help you understand this.



I hope this helps, Regards.




4 0
3 years ago
Can someone please do this for me?
katrin [286]

Answer:

x= 105

y= 40

Step-by-step explanation:

3y=4y-40 because they are alternate interior

Solve for y.

y=40

4y-40=x+15 because they are vertical angles.

Substitute 40 in for y.

4(40)-40=x+15

Solve.

x=105

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2 years ago
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2 years ago
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Let a = 0.9876 and b = 0.9887 with N = 2, calculate the midpoint.
rodikova [14]

Answer:

For a=0.9876 and b=0.9887 mid point will be 0.98815

Step-by-step explanation:

We have given a = 0.9876 and b = 0.9887

And N = 2

We have to find the mid point

For finding mid point we know that formula

Midpoint =\frac{a+b}{2} , here we have given a=0.9876 and b = 0.9887

So midpoint will be =\frac{0.9876+0.9887}{2}=\frac{1.9763}{2}=0.98815

So for a=0.9876 and b=0.9887 mid point will be 0.98815

5 0
3 years ago
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