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Tresset [83]
3 years ago
8

What's the answer 2(×+4)=18

Mathematics
2 answers:
Nadusha1986 [10]3 years ago
5 0
2(x+4)=18

2•x + 2•4 = 18

2x + 8 = 18

2x + 8 = 18
- 8 -8
_________
2x = 10

2x = 10
__ __
÷2 ÷2

x = 5
Charra [1.4K]3 years ago
4 0
2(x+4) = 18
2x+8 = 18
-8 -8
2x = 10
÷2 ÷2
x = 5
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The area of a rectangular art studio is given by the trinomial 12x^2 + 5x - 2 What are the
nikklg [1K]

ANSWER

(3x + 2) \: by \: (4x - 1)

EXPLANATION

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12{x}^{2}  + 5x - 2

By comparing this to:

ax²+bx+c

We have a=12, b=5, and c=-2

ac=12*-2=-24

The factors of -24 that gives a sum of 5 are 8,-5

We split the middle term with these factors to get:

12{x}^{2}  + 8x  - 3x- 2

Factor by grouping,

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The possible dimensions are:

(3x + 2) \: by \: (4x - 1)

4 0
3 years ago
On December 1 at 10 P.M., the bright star Procyon will just be rising on the eastern horizon. At approximately what time would y
Citrus2011 [14]

Answer:

8 : 24 P.M

Step-by-step explanation:

Data provided in the question:

On December 1 bright star Procyon will just be rising on the eastern horizon at 10 P.M

Now,

we know that Stars rise 4 minutes earlier each night

Therefore,

24 days later i.e after 24 nights the total early time

= 24 days × 4 minutes per day

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or

= 1 hour 36 minutes early

Hence,

on Christmas Day the star will rise at 1 hour 36 minutes early than 10 P.M

= 8 : 24 P.M

7 0
4 years ago
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