1963,50/8,50= 231
they need to sell 231 tickets
So set up the equations
q-12=d
25q+10d=1105
plug in q-12 as d in the second equation:
25q+10q-120=1105, then simplify:
35q=1225
q=35
since there's 12 fewer dimes, we know that there's 23 dimes and 35 quarters.
Definition
An irrational number is a number that cannot be expressed in as a fraction. It has decimal expression that does not terminate.
An example will be √2.
Reason:
(1) √2 cannot be expressed as a fraction form
(2) √2 has decimals that does not terminate
Answer:
73/100
Step-by-step explanation:
You cant simplify it
Okay so this won't be the easiest for me to explain by typing but i'll do my best
this is a geometry question. a couple important things to know are as follows:
1) all of the quadrants should add up to ninety because two of the lines crossing eachother have a 90 degree square.
2) every angle diagonal from another one are the same. so if two lines cross in an X shape, the top angle and the bottom angle are equal and the two side angles are equal.
so now we're ready to start.
let's start with angle N. it will be easiest.
using the rule of the diagonals, you'll notice that N is diagonal to the 90° square therefore it too is 90°
N = 90°
next, angle M. using the diagonal rule, the angle across from the 15° is going to also be 15°, that means that that quadrant has an angle of 40° and 15°. now recall that all the quadrants must add up to 90°. so from this we can make a simple equation:
40° angle + 15° angle + M angle = 90°
now solve for M angle
40 + 15 + M = 90 55 + M = 90 M = 35°
so N = 90° and M = 35°
