Step-by-step explanation:
first step is to find the gradient of the line which "m" on the equation
gradient formula is y2 - y1 ÷ x2 - x1 = -½ as shown on the picture we substituted those points given
2nd step is to substitute on the equation y=mx+c
m= -½
y= 3 (you can choose any from those given points but in my case I chose point A)
x= -2
c= ? only unknown variable so we can can calculate it
substitute as shown on the picture to get c= 2
therefore our equation of the line will be y= -½x+2
The supplement of 61 degree is 119 degrees
180-61=119
Answer:
61
Step-by-step explanation:
Let's write out what we know:
Noon temp: 54
Over the day, the temperature:
increased 8, decreased 3, increased 14, decreased 2, and decreased 10.
54+8-3+14-2-10 = 61
The first way is distributive property of multiplication. 3/5*9=3/9÷5/1=27/5. 3/5*1/2=3*1/5*2=3/10. Then you add the products and you would get 57/10. Simplify 57/10 to 5 7/10. Second way, converting the mixed fraction to a improper fraction and then multiply. 9 1/2=9*2+1÷2=19/2. 3/5*19/2=3*19/5*2=57/10. Like I said before, 57/10 simplified is 5 7/10. The last way is use rounding of fractions to estimate the products, 3/5*9 1/2. Round 9 1/2 to 10. 3/5*10=3*10/5. 30/5=6, which means that 6 is the estimated product of rounding. Hoped I helped. :)
Answer:
The answer is B. Acute isosceles
