Let say that:
side one = A
side two = B
side three = C
And also, A+B+C = 80
Then, from that information we can get..
A=4B ; C=A-10... We can get the value of A, but we have to modified some equation.
Let, B=1/4 A.... (eq.1)
C=A-10.... (eq.2)
If we adding eq.1 and eq.2 we get:
B+C = 2A-39/4
Therefore,
A= 80 - (B+C)
A = 80 - 2A + 39/4
3A = 80 + 39/4
3A = 359/4 (Dividing both sides with 3)
A = 359/12 = 29.92
B = 1/4 A = 359/48 = 7.48
C = 359/12 - 10 = 19.92
You multiply the answer inside the () signs, for example, 3+2=5 then 5x4=20 so the answer is 20.
From these -Tx+y=S. If -T=Q/R, then y=-Qx/R+S, so Ry=-Qx+RS, Qx+Ry=RS=S.
If R is not equal to 1, or S is non-zero, the equations are inconsistent, so there would be no solutions.
If R=1 there are an infinite number of solutions given by Qx+y=S, or y=S-Qx or y=S+Tx.
If S=0, Qx+Ry=0 or y=-Qx/R or y=Tx.
Answer:
Step-by-step explanation:
y - = m( x - ) point - slope form of linear equation ;
y = mx + b slope-intercept form of linear equation, (0, b) are coordinates of y-intercept ;
<em>(b).</em> y - 3 = - 7(x - 8)
<u><em>y = - 7x + 59</em></u>
<em>(c).</em> y - (- 2) = [ x - ( - 7)] ⇔ y + 2 = ( x + 7)
<u><em>y = </em></u><u><em> x + </em></u><u><em> </em></u>
<em>(d).</em> <u><em>y = - </em></u><u><em> x + 9</em></u>
Answer:
The scale factor is greater than 1
Step-by-step explanation: