Answer:
length= 42 cm width= 21
Step-by-step explanation:
let x= the width and 2x= the length
x+x+2x+2x= 126
solve for x
x=21
9514 1404 393
Answer:
an = 13 -5(n -1)
Step-by-step explanation:
The "take away 5" rule means the common difference between terms is d=-5. For first term a1=13, the n-th term is ...
an = a1 +d(n -1)
an = 13 -5(n -1)
Answer:
$58240
Step-by-step explanation:
45,600/1425 = 32
Therefore it costs $32 per square foot
32 x 1,820 = 58240
Answer:
17
Step-by-step explanation:
< ABD = <ABC + < CBD
Substitute in what we are given
87 = 9x-1 + 6x+58
Combine like terms
87 = 15x +57
Subtract 57 from each side
87-57 =15x +57-57
30 = 15x
Divide by 15
30/15 =15x/15
2=x
We want to find <ABC
<ABC = 9x-1
= 9*2-1
=18-1
=17
Answer:
D it allowed people to view news 24 hours a day.
Step-by-step explanation:
