Answer:
Step-by-step explanation:
3x + -3x - 4y = 8 - 3x
-4y = 8 - 3x
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-4
y = 8/-4 + 3/4 x
y = -2 + 3/4x
Answer:
11 1/5
Step-by-step explanation:
3 1/5 ÷ 2/7 =
16/5 ÷ 2/7 =
KCF (Keep, Change, Flip)
Keep 16/5
Change ÷ to ×
Flip 2/7 to 7/2
16/5 × 7/2
16 x 7 = 112
5 x 2 = 10
112/10
11 2/10
11 1/5
Hope that helps :)
Answer:
16.2 =
and 121 = 
Step-by-step explanation:
16.2 can be simplified to its fraction form, which is 
which is 16.2
121 is already simplified since it is a whole number, but its fraction form would be 
which is 121
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<em>(I hope this helped & good luck! <3)</em>
Answer:
3
Step-by-step explanation:
Subbing -3 for x in -x^2 - 4x, we get -(-3)^2 - 4(-3)
OR -9 +12
Final result: 3
Answer:
x = 12
Step-by-step explanation:
The figure in the question was split into the triangles in the attachment to the solution.
Now applying the principle of similar triangles, we have:

cross-multiplying, we have:

solving for x,
x = 12