Answer:
7) 230mm
8) 98m
Step-by-step explanation:
7)
7x+8+6x+6+9x-4 =22x+10
if x is 10 mm, 22(10)+10 =230mm
8) perimeter of rec =2( l + w )
=2 ( 2x-5+2x+6 ) = 8x + 2
if x is 12 metres, 8(12)+2 =98m
Answer:
There are 3,628,800 different ways for the runners to finish.
Step-by-step explanation:
Arrangments of x elements:
The number of possible arrangments of x elements is given by the following formula:

In this question:
10 different runners, which means that the number of different ways that there are for the runners to finish is an arrangment of 10 elements. So

There are 3,628,800 different ways for the runners to finish.
Answer: He win 3 out of the 30
Step-by-step explanation:
30 divided by 10 = 3 which is 10 percent of 30 :)
Answer:
0.246
Step-by-step explanation:
Please mark me as brainly
Hello There!
85 / 4 = 21.25
21.25 / 17 = 1.25
Scale factor is 1.25
Hope this helps!