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Westkost [7]
3 years ago
15

9x-2x= Please show work

Mathematics
1 answer:
Elenna [48]3 years ago
6 0

Answer:

answer is 7x

Step-by-step explanation:

collect like terms by subtracting their coefficient

(9-2) =7x

that's how you get your answer

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Why do you divide each term in the sum by the same factor that you pull out of the sum?
arsen [322]

We do so to follow the rule of divisibility of each term(numbers).

<h2 /><h3><u>The Rule of Divisibility:</u></h3>

The rule of divisibility of numbers is a method applied in mathematics used to determine if a number or set of numbers is divisible by a particular integer without any remainder.

Let assume that we have a series of numbers;

  • 2, 4, 6, 8, 10

From the rule of divisibility, since all the numbers are multiples of 2;

We can deduce that 2 can be the factor that is pulled out from the series to divide each term in the sum.

Learn more about the rule of divisibility here:

brainly.com/question/840412

5 0
2 years ago
a parabola has a vertex at the orgin.The focus of the parabola is located at (-2,0).Which is the equation for the directrix rela
pishuonlain [190]
The focus is left of the vertex, so the parabola opens to the left. The vertex is halfway between the focus and directrix, so the directrix is the vertical line
  x = 2
6 0
3 years ago
The length of a desk is 3.5 feet. How many centimeters is the length? (There are 2.54 cm in an inch)
gregori [183]

Answer:106.

Step-by-step explanation:

5 0
3 years ago
1/3 + 5/6 + 5/12 What is the answer
SOVA2 [1]
1/3 + 5/6 + 5/12

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3 0
3 years ago
Read 2 more answers
what is the coordinate of the vertex of the parabola y-2=1/12(x+10) a. ( 10,-2) b. (-10,2) c. (-2,10) d. (2.-10)
solniwko [45]

Answer:

y-a= c(x-b)^2

With the vertex V= (b,a)

We see that b = -10 and a = 2 and then the vertes wuld be:

V= (-10,2)

And the best option is:

b. (-10,2)

Step-by-step explanation:

For this problem we have the following function:

y-2 = \frac{1}{2} (x+10)

And if we compare this expression with the general expression for a parabola given by:

y-a= c(x-b)^2

With the vertex V= (b,a)

We see that b = -10 and a = 2 and then the vertes wuld be:

V= (-10,2)

And the best option is:

b. (-10,2)

4 0
3 years ago
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