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vampirchik [111]
3 years ago
9

20 POINTS! Which of the following equations shows how substitution can be used to solve the following system of equations?

Mathematics
1 answer:
natima [27]3 years ago
5 0

Answer:

Is there a photo or no  

Step-by-step explanation:

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Solve for x. x+2/3=−1/6
Sphinxa [80]

Answer:-

x=-5/2

Step-by-step explanation:

x+2/3=-1/6

after cross-mutiplying,

6(x+2)=-3

6x+12=-3

6x=-3-12

6x=-15

x=-15/6

x=-5/2

hope this helps u!!

6 0
3 years ago
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grandymaker [24]

Answer:

i think it may be "A" but i may be wrong sorry if im wrong

Step-by-step explanation:

5 0
3 years ago
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Please solve this problem tnx....​
True [87]

Answer:

27.50

Step-by-step explanation:

Since it is 16.50 each and they bought 5 packets total an easy way to solve this problem would be that you multiply 16.50 × 5 which will give you how much the total cost of the candy would be:

16.50 × 5 = 82.50

Since that is the total amount you would then divide 82.50 by 3 since Mary and her friends all split the cost three ways (since there are three of them):

82.50 ÷ 3 = 27.50

Which will give you your answer.

7 0
3 years ago
6th grade math lol
nikdorinn [45]

Answer:

A. 30 for everyone in class | B. 12 Boys in the class

Step-by-step explanation:

6 0
3 years ago
PLEASE HELP MEEEEEEEEEEEEEEEEEEEEEEEEEE!!! giving all the points I have
exis [7]

Answer:

Plug in and determine solution

Step-by-step explanation:#9-11 plug in the degrees C on the left side of the table into the equation and that should give you the degrees F, something like with #9; F = 9/5 (0) + 32.

#12-13, they have a relationship because Celsius can be converted to Farenheit and vise versa

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3 years ago
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