<span>5−16(−x+7)=1+3(2−4x)
*Distribute what's in the parantheses*
5+16x-112 = 1+6-12x
* Combine like terms*
16x-117 = -12x+7
*Put the variable on one side*
</span> 16x-117 = -12x+7
+12x +12x<span>
28x-117 = 7
+117 +117
28x = 124
/28 /28
x = 4.42 *decimals*</span>
Answer:
1
Step-by-step explanation:
I'm not sure if I read your question right, but if one angle is 90 and the other should be half the angle 90, the other angle must be 45. Thus, this would create a 45-45-90 triangle. There is no other possibility if one of the angles must be half that of the 90 degree angle.
That is the same as multiplying by 3
Answer: A
Step-by-step explanation:
The cosine of an angle is equal to the sine of its complement, and vice versa.
Answer: 20/3 or 6.67
Step-by-step explanation:
5/1÷3/4
While dividing fractions, flip to the other side to get 5/1×4/3
=20/3