Answer:
Step-by-step explanation:
If we take a look at the given picture, we can see that both sides are almost completely identical, so they must almost have the same value.
Let us do the plug in. Keep in mind that the angle is obtuse, meaning over 90 degrees, and angle identical or lower than 90 is incorrect.
True.
False. Meaning the 18 would not work.
x = 22.5
True.
False. Meaning that 22.5 does not work.
x = 30
True.
True. Meaning that 30 is the answer and can work.
x = 54
True.
False. Although the angle is larger than 90, 180 is a straight line, and we can see that the angles given are not straight lines or greater.
So 1 nickle=5 cents
1 quarter=25 sents
q=number of quarters
n=number of nickles so
total is
q+n=20
5n+25q=400 (since 100 cents=1 dollar and 4 dollares=400 cents)
SO THE 2 EQUATIONS WOULD BE
n+q=20
5n+25q=400
so q+n=20
subtract q from both sides
n=20-q
subsitute 20-q for n in the second equation
5(20-q)+25q=400
distribute
100-5q+25q=400
add like terms
100+20q=400
subtract 100 from both sides
20q=300
divide both sides by 20
q=15
thhere are 15 quarters
subsitute 15 for q in first equation
15+n=20
subtract 15 from both sides
n=5
5 nickles
15 quarters
Hello:<span>
the equation is : y = ax+b
the slope is a : a×(-3/4) = -1......(
perpendicular to a line : </span>
3x+4y-22=0 : another equation is : y = (-3/4)x +22/4 with the slope : (-3/4))
<span>
a =4/3 </span>
<span>an equation is : y - 4 = (4/3)(x-2)</span>
<span>
</span>
13
Step-by-step explanation:
