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Greeley [361]
3 years ago
10

How do I factorise 42x-18

Mathematics
2 answers:
ikadub [295]3 years ago
7 0
6 (7x - 3) 

You have to factor 6 out of 42x - 18.

Hope this Helps!!
Evgesh-ka [11]3 years ago
4 0
Hey :)
First, find the GCF.
It is 6 since it divides evenly into 42x and -18.

Second, factor out the gcf and divide each term by the GCF.
6(42x/6 - 18/6)

Lastly simplify.
6(7x-3)

There are many different ways to do it and that's one of them.


Hope this helps !!
Good luck:)
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brian and shawna are selling cookie dough. ryan sold 6 packod cookie dough and 12 packages of gingerbread cookies dough for a to
Bogdan [553]

Answer:

Chocolate chip dough = $12

Gingerbread cookie dough = $17

Step-by-step explanation:

Since there are two variables in this problem, setting up a system of equations and using the elimination method will help us find the cost for each package of cookie dough.  Based on Ryan's sales of 6 packages of chocolate chip and 12 packages of gingerbread for $276, the first equation is:

6c + 12g = 276

Since Shawna sold 8 chocolate chip and 3 gingerbread for a total of $147.00, the second equation is:

8c + 3g = 147

Using the elimination method, we will need to multiply the second equation by a factor of -4 in order to eliminate the variable 'g':

-4(8c + 3g = 147) = -32c - 12g = -588

Add the two equations:

6c + 12g = 276

+ <u> -32c - 12g = -588</u>

-26c = -312  or c = $12

Plug the value of 'c' into the first equation:

6(12) + 12g = 276 or 72 + 12g = 276 or g = $17

8 0
3 years ago
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goblinko [34]

Answer:

14°

Step-by-step explanation:

(7x-1)°+(6x-1)°=180°(sum of angles in a straight line/being linear pair)

or,7x-1°+6x-1°=180°

or,13x-2°=180°

or,13x=182°

or,x=182°/13

or,x=14°

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Step-by-step explanation:

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Zigmanuir [339]
No.
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There are 1000 grams in one kilogram, so 4 kilograms is equal to 4000 grams.

4000 =/= 4
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Read 2 more answers
HELP ASAP!!! Due at 11:59
Sveta_85 [38]
The answer is E
Hope this helps!
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