1) 3n+1=16-2n
- add 2n to both sides
- you should now be left with 5n+1=16
(remember the 2n gets canceled out)
- subtract 1 from both sides
- you should now be left with 5n=15
- now you divide by 5 to get n by itself
- 15 divided by 5 is 3
- n=3
2) substitute n with 3 in to the original equation
- so 3n+1=16-2n now becomes 3(5)+1=16-2(3)
- you should get 10 for both so 10=10
3) according to the segment addition postualte , XR + YR = XY.
- add 10+10 which stands for the lengths of XR and YR
Answer - XY = 20
The correct answer is B. 8 + 8 + 8 + 8, OR 4*8
<span>Each time he descends 4 rungs on the ladder, he stops to see how much farther he has to go, AND HE STOPS 8 TIMES, SO correct answer is 8*4 = 32 </span>
<em> 76.80</em>
- <em>Step-by-step explanation:</em>
<em>Hi there !</em>
<em>100% .............. 120</em>
<em>64% .....................x</em>
<em>x = 64×120/100</em>
<em>= 7680/100</em>
<em>= 76.80</em>
<em>Good luck !</em>
Answer:
5÷A and A÷5=A×A and 5×5=A=25
The answer is D. += up or right ; -= down or left
