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kkurt [141]
3 years ago
13

Subtract these polynomials.

Mathematics
2 answers:
kkurt [141]3 years ago
8 0
3x^2 -x^2= 2x^2
3x-2x=x
3-3=0

The answer is A.
Verdich [7]3 years ago
8 0

Answer:

2x^2+1x

Step-by-step explanation:

Subtract these polynomials.  

(3x^2 + 3x + 3) - (x^2 + 2x + 3)

To subtract, we multiply negative sign inside the second parenthesis

3x^2 + 3x + 3-x^2 - 2x - 3

To subtract the polynomials we combine like terms

3x^2-x^2+ 3x- 2x+3-3

2x^2+1x

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Determine the volume of a cube with a side length of 7.5m​
satela [25.4K]

Answer:

V≈421.88

Step-by-step explanation:

5 0
3 years ago
Answer with the explanation step by step
andrey2020 [161]

Answer:

The answer is A. \frac{3(x-21)}{(x+7)(x-7)}.

Step-by-step explanation:

To find the difference of this problem, start by simplifying the denominator, which will look like \frac{3}{x+7}-\frac{42}{(x+7)(x-7)}. Next, multiply \frac{3}{x+7} by \frac{x-7}{x-7}  to create a fraction with a common denominator in order to subtract from \frac{42}{(x+7)(x-7)}. The problem will now look like \frac{3}{x+7}*\frac{x-7}{x-7}-\frac{42}{(x+7)(x-7)}.  

Then, simplify the terms in the problem by first multiplying \frac{3}{x+7} and \frac{x-7}{x-7}, which will look like \frac{3(x-7)}{(x+7)(x-7)}-\frac{42}{(x+7)(x-7)}. The next step is to combine the numerators over the common denominator, which will look like \frac{3(x-7)-42}{(x+7)(x-7)}.

Next, simplify the numerator, and to simplify the numerator start by factoring 3 out of 3(x-7)-42, which will look like \frac{3(x-7-14)}{(x+7)(x-7)}. Then, subtract 14 from -7, which will look like \frac{3(x-21)}{(x+7)(x-7)}. The final answer will be \frac{3(x-21)}{(x+7)(x-7)}.    

4 0
3 years ago
Tell me where to put the stuff for the graph
sergejj [24]

Answer:this one

●________>

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
6÷4(7+8)= 8-6(4+9)= 4÷8(9+3)=​
Zielflug [23.3K]

Answer:

<h2>6÷4(7+8) </h2><h2>= 22,5</h2>

<h2>8-6(4+9)</h2><h2>= 26</h2>

<h2>4÷8(9+3)</h2><h2>= 6</h2>

Step-by-step explanation:

<h2>6÷4(7+8)</h2><h3>= 6÷4(15)</h3><h3>= 1,5 × 15</h3><h3>= 22,5</h3>

<h2>8-6(4+9)</h2><h3>= 8-6(13)</h3><h3>= 2 × 13</h3><h3>= 26 </h3>

<h2>4÷8(9+3)</h2><h3>= 4÷8(12)</h3><h3>= 0,5 × 12</h3><h3>= 6</h3>

7 0
2 years ago
T = 320.00 + 0.40b
Gemiola [76]

Answer:

c) The total price for the service  when Terrance's price was equivalent to Sylvester's price  is $600.

Step-by-step explanation:

   Here,   t = 320.00 + 0.40 b

and  t = The total prices charged by Terrance for packing and moving b boxes.

s = 250.00 +0.50 b

and  s = The total prices charged by Sylvester  for packing and moving b boxes.

Now, to find the number of boxes, when both the prices are equal.

⇒320.00 + 0.40 b  = 250.00 +0.50 b

or, 320 - 250 = 0.50 b - 0.40 b

or, 0.10 b =  70

or, b= 70/0.10 = 700

Hence, for packing and moving b = 700 boxes, both companies charge the same amount.

Now, the price charged = 320 + 0.4 (b)

                                         = 320 + 0.4(70) = 320 + 280

                                         = 600

or,  the total price for the service  when Terrance's price was equivalent to Sylvester's price  is $600.

3 0
3 years ago
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