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alina1380 [7]
3 years ago
13

Some simplify this plz 12x + 1.5x - 2-7

Mathematics
2 answers:
never [62]3 years ago
6 0

Answer:

13.5x + 5

Step-by-step explanation:

12x + 1.5x - 2 - 7 (you always want to work left to right)

13.5x - (2 - 7) (you are free to use the associative property here to isolate like terms)

13.5x - (-5) (remember a number less in value subtracted from a higher value will result in a negative value; giving you this value for instance.)

13.5x + 5 (now since it was basically subtracting a negative from 13.5x you can technically say the same thing by turning the negative value to a positive however you must do the opposite of subtraction as well.)

melomori [17]3 years ago
5 0
10.5x-9 is correct but I think there may be an equal sign in this question if not this is right
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My number is a perfect square.the only prime factorization is 2.my number is a factor of 32.the sum of its difits is odd---what
aleksandr82 [10.1K]
List out all of the factors to 32.
1, 2, 4, 8, 16, 32

From the list, we either have 4 or 16 as our number.
Prime factorisation for 4 is 2 x 2 and prime factorisation for 16 is 2 x 2 x 2 x 2
Thus, that doesn't help our case.

Looking at our requirement: the sum of its digits is odd.
Well, 4 can be rewritten as 0 4 and its sum is even.
The sum for 1 + 6 is obviously odd, which means that 16 is the number.
6 0
3 years ago
Please help :) also please don’t take advantage of the points.
Gnoma [55]

Answer:

C. 50

Step-by-step explanation:

180 - (70 + 60)

180 - 130

50, so C

<em>Hope that helps!</em>

<em>-Sabrina</em>

6 0
3 years ago
Can someone help me please
irga5000 [103]

Answer:

See below.

Step-by-step explanation:

It is the one at the top left side.

The line y = x passes through the origin at an angle of 45 degrees to the x axis and rises to the right.

So if you imagine its a mirror you'll see that its a reflection in that mirror.

5 0
3 years ago
The parts of a solid are faces, vertices and __________.
BigorU [14]

Answer:

edges

Step-by-step explanation:

3 0
2 years ago
Which of the following would be the most logical first step to solving this
NikAS [45]

Answer:

D is correct option

Step-by-step explanation:

The correct option is D.

The standard quadratic equation is ax²+bx+c=0

Where a and b are coefficients and c is constant.

It means that constant are on the L.H.S and there is 0 on the right hand side.

Therefore to make it a quadratic equation first of all you have to add 11 at both sides so that the R.H.S becomes 0.

The given equation is:

2x2-x+ 2 = -11

If we add 11 on both sides the equation will be:

2x2-x+ 2 +11= -11+11

2x^2-x+13=0

Thus the correct option is D

You can further solve it by applying quadratic formula....

8 0
3 years ago
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