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Gekata [30.6K]
3 years ago
9

True or false ? why and why not ? 7a + 4 - 2a is equivalent to 7a + -2a + 4

Mathematics
1 answer:
Oxana [17]3 years ago
6 0
True because it’s a diamond Rottweiler
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The table represents the start of the division of 15x3 + x2 - 3x + 2 by 3x + 2.
9966 [12]
The result of dividing 15x^{3}+x^{2}-3x+2 by 3x+2 is 5 x^{2} -3x+1 with no remainder. Please check the step by step procedures in the picture attached.
We can conclude that:
The quotient of the division is 5 x^{2} -3x+1
The remainder of the division is 0
The divisor is 3x+2
The dividend is 15x^{3}+x^{2}-3x+2

4 0
3 years ago
(x+2)^2+(x-3)^2-2x^2)
garri49 [273]

Answer:

<u>13 - 2x </u>

Step-by-step explanation:

(x +2)² + (x - 3)² - 2x²

<em>Expand.</em>

(x + 2)(x + 2) + (x - 3)(x - 3) - 2x²

x² + 2x + 2x + 4 + x² - 3x - 3x + 9 - 2x²

<em>Bring all the like terms together then simply.</em>

x² + x² - 2x² + 2x + 2x - 3x - 3x + 4 + 9

2x² - 2x² + 4x - 6x + 13

= <u>13 - 2x</u> (or <u>-2x + 13</u> )

4 0
3 years ago
Need help quick please and thank you
grigory [225]

Answer:

id say it would be b

Step-by-step explanation:

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ANSWER CHOICES ARE <br> 65<br> 95<br> 104<br> 119
LenKa [72]

Answer:

Step-by-step explanation:ghjhe

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3 years ago
How do you work out these questions???????????
umka2103 [35]
Divide the first one to 2 rectangles by drawing a line and then find the area of both rectangles, then add them.

The second one is divided in to 2 trapezoids. Find the area of both trapezoids and then add them.
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