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Vaselesa [24]
3 years ago
10

Which expression can be used to find the difference of the polynomials?

Mathematics
1 answer:
SpyIntel [72]3 years ago
6 0
     4m-5
-    6m-7+2n
____________
   -2m+2+2n
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Simplify this expression
kompoz [17]
The first step for solving this problem is to know that in order to divide by a fraction,, we must multiply by the reciprocal of that fraction. This will look like the following:
\frac{x+2}{ x^{2} -6x-16} × 9x
Write -6x as a difference.
\frac{x+2}{ x^{2} +2x-8x-16} × 9x
Factor out x from x² + 2x.
\frac{x+2}{ x X (x+2)-8x-16} × 9x
Factor out -8 from -8(x + 2).
\frac{x+2}{ x X (x+2)-8(x+2)} × 9x
Factor out x + 2 from the denominator (bottom) of the expression.
\frac{x+2}{(x+2)X(x-8)} × 9x
Reduce the fraction with x + 2
\frac{1}{x-8} × 9x
Finally,, calculate the product to find your final answer.
\frac{9x}{x-8}
This means that the correct answer to your question is going to be option B.
Let me know if you have any further questions.
:)
3 0
3 years ago
2(2x +1) = 3(x-8) =<br>how do you solve this ​
saw5 [17]

Answer:

x=-26

Step-by-step explanation:

Distributive property first (both sides)

you would get

4x+2 = 3x-24

next you will subtract 3x from both sides

1x+2=-24

add 24 to both sides

1x+26=0

move 26 to the other side but since you flipped it you have to make it negative

x=-26

8 0
4 years ago
John ran the 100-m dash with a time of 9.93 sec. If this pace could be maintained for an entire 26-mile marathon, what would his
slega [8]

You can infer from this problem that for every 100 m that John was able to run, it takes him 9.93 seconds. To get how much time is needed for 26 – mile marathon, you need to divide 26 miles by 100 meters. But first, you need to convert 26 miles to meters first.

1 mile = 1,609.34 meters

26 miles = 41,842.84 meters

41,824.84 meters / 100 meters = 418.43 x 9.93 seconds = 4,155 seconds or 69.25 minutes

4 0
3 years ago
Laura and Sean find the product of 2/3 x 4 using different methods.
choli [55]

Answer: So our equation is \frac{2}{3} *4

Laura does:

\frac{2}{3}*4 = 2*\frac{1}{3}  *4 = 2*\frac{4}{3}  = \frac{4}{3} + \frac{4}{3}  = \frac{8}{3}

while Sean does:

\frac{2}{3}*4 = \frac{2}{3} + \frac{2}{3} +\frac{2}{3}  + \frac{2}{3}  = \frac{8}{3}

So sean sums four times the number 2/3, while Laura sums two times the number 4/3, this is because we are working with a multiplication, and the order of the factors does not alter the product.

The two are splitting the equations in different ways.

4 0
3 years ago
Jacob wants to buy some apples for a class party. shop a sells apples at $3.99 for 4. shop B sells apples at $4.99 for 5. Jacob
aniked [119]

Answer:

shop a is not cheaper. in shop a in order to gt 52 apples you would pay 52 dollars, whereas, with shop b you would get 50 for 50.

Step-by-step explanation:

7 0
3 years ago
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