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oksano4ka [1.4K]
3 years ago
6

Completely factor: X + 9x + 20

Mathematics
2 answers:
zalisa [80]3 years ago
7 0
10(x+2) there is it
Paul [167]3 years ago
6 0

Answer:

10(x+2)

Step-by-step explanation:

x+9x+20

10x+20

10(x+2)

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I really appreciate all the help guys<3
Tems11 [23]

Answer:

2.4

Step-by-step explanation:

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3 years ago
Find the solutions to sin2(x) + cos(x) = 1, keeping 0 ≤ x < 2π
frozen [14]
Sin2(x) +cos(x)=1
from the relation: (sin2(x) +cos2(x) =1 )
so , sin2(x)=1-cos2(x)
by subs. in the main eqn.
1-cos2(x) + cos(x) =1
by simplify the eqn.
cos(x) -cos2(x)=0
take cos(x) as a common factor
cos(x)* (1-cos(x))=0
then cos(x)=0 && cos(x)=1
cos(x)=0 if x= pi/2
& cos(x) = 1 if x = 0 , 2*pi
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3 0
3 years ago
Three trucks delivered potatoes to a warehouse. The first truck delivered 5 7/8 tons of potatoes, the second one 6 1/2 tons more
mina [271]

Answer:

12 5/8 tons were delivered by the third truck

Step-by-step explanation:

25 = 6 4/8 + 5 7/8 + x

25 = 12 3/8 + x

- 12 3/8

12 5/8 = x

6 0
3 years ago
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Molly buys 12 rolls of wallpaper for £111.00.<br> How much is 1 roll of wallpaper?
alex41 [277]

Answer: £9.25


111.00/12=9.25

3 0
3 years ago
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John works two jobs as a security guard he earns $9.75 per hour as a landscaper he earns $14 per hour one week john worked a tot
Yuliya22 [10]

Answer:

He worked 26 hours as a security guard and 4 hours as a landscaper

Step-by-step explanation:

7 0
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