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Dovator [93]
3 years ago
8

Determine the factors of 15x2 + 3xy + 10x + 2y.

Mathematics
2 answers:
Phoenix [80]3 years ago
5 0
Letter A is the correct answer
Ganezh [65]3 years ago
4 0

Answer:

The correct option is a.

Step-by-step explanation:

The given expression is

15x^2+3xy+10x+2y

It can be written as

(15x^2+10x)+(3xy+2y)

Taking out the common factors from each parenthesis.

5x(3x+2)+y(3x+2)

Now, again taking out the common factors.

(3x+2)(5x+y)

Therefore the correct option is a.

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Ab=45 mm,bc=10cm 4mm ,cd = 5 cm 6 mm ,de= 35 mm,ea=x cm, and the perimeter of irregular pentagon is 280 mm. Find the length of t
DaniilM [7]

Answer:

The length of the unknown side x is 4 cm

Step-by-step explanation:

we know that

The perimeter of a polygon is equal to the sum of its length sides

Remember that

1 cm=10 mm

In this problem we have

AB=45 mm ------> convert to cm -----> AB=45/10=4.5 cm

BC=10 cm 4 mm -----> convert to cm -----> BC=10+4/10=10.4 cm

CD=5 cm 6 mm  -----> convert to cm -----> CD=5+6/10=5.6 cm

DE=35 mm ------> convert to cm -----> DE=35/10=3.5 cm

EA=x cm

P=280 mm ------> convert to cm -----> P=280/10=28 cm

The perimeter of the irregular polygon is equal to

P=AB+BC+CD+DE+EA

substitute the values

28=4.5+10.4+5.6+3.5+x

28=24+x

x=28-24

x=4 cm

3 0
3 years ago
Peter paid $12.83 for a dvd. The price of the dvd was $11.98. How much sales tax did peter pay?
ArbitrLikvidat [17]
Peter paid 0.85 tax which is at 7.1% sales tax
6 0
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What is the square root of 75m
umka2103 [35]

Answer:

the square root of 75 is either \sqrt75 or 8.66

Step-by-step explanation:

6 0
3 years ago
Please help no links or u will get reported please help im trying my best
alekssr [168]
The answer is d because the perimeter of 6 by 6 would be 24 and that is the smallest perimeter.
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Yes, I know these problems!
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