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Vanyuwa [196]
3 years ago
10

Divide 5x^2 +6x-9 into 25x^4+19x^2-x-78

Mathematics
1 answer:
DochEvi [55]3 years ago
6 0
I've uploaded a photo with the answer because it's too hard to do this out on the computer.

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(I really do need help)
frozen [14]

Answer:

90 i think

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
Which one of the following is not closed under the operation being performed
Sergeu [11.5K]
Remember that polynomials are closed under addition, subtraction, and multiplication, but they are not closed under division. The only division you have there is B; therefore the correct answer is B.

A. (14x-2)3(x-2)=14 x^{2} -90x+10. The result is still a polynomial; therefore, answer A is incorrect.

B. \frac{(14x-2)}{3(x-2)} =  \frac{14}{3} with a remainder of 26. The result is not a polynomial anymore; therefore, B is the correct answer.

C. (14x-2)+3(x+2)=17x+4. The result is still a polynomial; therefore, answer C is incorrect.

D. (14x-2)+3(x+2)=17x+4. The result is still a polynomial; therefore, answer D is incorrect.
4 0
4 years ago
How long does it take to travel a distance of 672 km at a speed of 96 kph?
mote1985 [20]

Answer:

7 hrs

Step-by-step explanation:

formula :- speed=distance/time

speed= 96kph

distance= 672 km

time=?

S=D/T

96=672/T

(cross multiply)

96T = 672

T = 672/96

T = 7 hrs

4 0
3 years ago
Read 2 more answers
What is the slope of the line passing through the point 2 comma negative 1 and the origin?
NARA [144]

Answer:

- 1/2 or - 1.5

Step-by-step explanation:

I would suggest using a table

x       y

2      -1

0      0

from -1 to 0, you add 1

from 2 to 0, u subtract 2

so y/x

1/-2

Your slope will be -1/2 or -1.5

Hope this helped!

3 0
3 years ago
Evaluate the following expression. y + 9 when y = 12
tino4ka555 [31]

Answer:

21

Step-by-step explanation:

y+9 = ?

y=12

12+9=21

5 0
3 years ago
Read 2 more answers
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