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olasank [31]
3 years ago
14

(3x -1) + (2x+1) (x)

Mathematics
1 answer:
almond37 [142]3 years ago
3 0
The answer is X = 6

Because 3 times 2 x is 6x ... then -1 plus 1 is 0 so it levels out and x is 6
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In the last two week sue earned $513 at her part time job she worked a total of 5for hours about how much did you earn per hour
Romashka [77]
All you do is divide
$513*5 = 102.6 rounded to the nearest thousand is 103 so that means he earns $103 per hour
5 0
3 years ago
Find the exact value of sin(11pi/12)cos(pi/6)-cos(11pi/12)sin(pi/6)
krek1111 [17]
We use the identity  sin (A - B) = sin A cos B - cos B sin A

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6 0
3 years ago
a car rent is $220 per week plus $0.25 per mile. Find the rental cost for a two week trip of 500 miles for a group of three peop
JulsSmile [24]
Here, Equation is: C = 220x + 0.25y
Where x = number of weeks
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Hope this helps!
8 0
3 years ago
Subtract
kirza4 [7]

Answer:

Option D: 3x2 +  2x - 1

Step-by-step explanation:

Given that:

=(5x2 - 5x + 3 )- (2x2 +7x- 4)

As we have to subtract them so by simplifying:

"-" sign will alter all signs in the bracket

= 5x2 - 5x + 3 - 2x2 + 7x - 4

Now by adding same terms

= 5x2 - 2x2 - 5x + 7x + 3 -4

= 3x2 +  2x - 1

i hope it will help you!

5 0
3 years ago
Help plz which one is it?
Alina [70]
The answer is A

Reasoning;

<span>a1 = first term;
an</span><span>= </span>a<span>n-1</span><span> + </span><span>d
</span>In a sequence you add the first term (a1) with the second term in a repeating linear equation. In this one you need to add 4 to each term so, the equation is;

a1 = 2
an = an -1 + 4

creating:
2 6 10 14 18 22 26... 
3 0
3 years ago
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