Answer:
-6 + 57
Step-by-step explanation:
Substitute the value of the variable into the equation and simplify.
It is more than 400 because mental maths give you 454 subtract each digit with one other eg. 6-2 ; 7-2 ; 9-5 gives 454
mark Brainliest :^)
Answer:
x=15°
Step-by-step explanation:
Angles ∠2 and ∠4 are supplementary, so ∠2+∠4=180°
That equals to 2x+10+4x+80=180.
You can solve that equation to find what <em>x</em> is equal to.
2x+10+4x+80=180
6x+90=180
6x=90
x=15°
Answer:
Use m a t h w a y . c o m
Step-by-step explanation:
It helps with any math homework!! trust me :)
Answer is D.
Last one...
hope it helps