Answer:
Step-by-step explanation:
Y = - 3x. Equation 1
x + y = - 4 equation 2
Putting value of y
x + (-3x) = - 4
x - 3x = - 4
-2x = - 4
x = - 4/-2 = 2
Putting value of x in the equation 1
Y = - 3(2)
Y = - 6
Answer:
140
Step-by-step explanation:
560. 1
____. ÷. ______
1. 4
Cross out the numbers that are divisible
560/4 = 140
Answer c: 2 and 3
Of course Q is on plane PQR. If S is as well, then QS is as well.
Answer:
2.5cm
Step-by-step explanation:
area of trapezium = 4 * area of parallelogram
1/2(a+b)*h=4* bh
1/2(5+11)*4= 4* 3.2x
8*4=4*3.2x
8/3.2=x
2.5cm=x
Answer:
4,800
Step-by-step explanation:
Sorry I don't know how to explain it scientifically but I know how to do the calculations
1) Theres 60 minutes in an hour
2) 80x60= 4,800 beats