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Reptile [31]
3 years ago
5

..............:") pwees

Mathematics
2 answers:
Nezavi [6.7K]3 years ago
8 0

Answer:

x^{4} - x³ - 15x² - 61x - 36

Step-by-step explanation:

Given

(x² - 5x - 4)(x² + 4x + 9)

Each term in the second factor is multiplied by each term in the first factor, that is

x²(x² + 4x + 9) - 5x(x² + 4x + 9) - 4(x² + 4x + 9) ← distribute parenthesis

= x^{4} + 4x³ + 9x² - 5x³ - 20x² - 45x - 4x² - 16x - 36 ← collect like terms

= x^{4} - x³ - 15x² - 61x - 36

____ [38]3 years ago
5 0

Answer:

Check as the pic above showed

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Please help!
Angelina_Jolie [31]

Answer: 72

Step-by-step explanation:

V=1/3bh

B= 6*6= 36

H=6

1/3*36*6

6 0
3 years ago
Samual bought 6 notebooks for $9. at this rate, how much will he spend on 11 notebooks?
Harman [31]
It is 16.50 because 9 divided by 6 is 1.5. so 1.5 is the unit rate. 1.5 x 11 = 16.5
8 0
3 years ago
Your new cell phone plan costs $45 per month. You pay an extra $0.05 for every text message sent. If you send 60 texts this mont
rewona [7]

Answer: $48

Step-by-step explanation: take 0.05 times 60 + 45

6 0
3 years ago
Aroon reflects point M across the y-axis. What will be the coordinates of the point that results? HELPPPP
Anna007 [38]

Answer:

It would be basically the same coordinates

Step-by-step explanation:

so across the Y-axis, lets say you got x5,y5 just put this coordinates on the Y-axis so it would be x -5 y- 5 it would be easier for me to solve if you put the picture of the graph but this will do.

6 0
3 years ago
Read 2 more answers
Brad walked 2.5 miles in 5/6 of an hour.how fast does he walk per hour
Lelu [443]

Answer:

Rate or speed=3 Miles per hour

Step-by-step explanation:

Brad walked 2.5 miles in 5/6 of an hour.

Distance covered by Brad = 2.5 miles

Distance covered by Brad= 2 1/2 miles

Distance covered by Brad= 5/2 miles

Time taken to cover the distance = 5/6 of an hour

His rate of walking or how fast he walks is determined by the formula

Rate or speed= distance/time

Rate or speed=( 5/2)/(5/6)

Rate or speed= (5/2)*(6/5)

Rate or speed=6/2

Rate or speed=3 Miles per hour

6 0
3 years ago
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