Answer:
use the new math thingy majig in the new brainly
Step-by-step explanation:
update it to use it:)
Combine like terms
10+5x is your answer
12-2= 10
x+x+3x= 5x
10x+5x
Answer:16.97cm
Step-by-step explanation:
To find the hypotenuse side of an isosceles of side 12cm each
Using pythagoras theorem
hyp^2=opp^2+adj^2
hyp^2=12^2+12^2
Hyp^2=144+144
hyp=√288
Hyp=16.97cm
Answer:
S28 = 28/2 (5+248)
Step-by-step explanation:
The sum of an arithmetic series is given by
Sn = n/2 ( a1 + an)
n = 28
We need to find the first and last terms
a1 = 9(1) -4 = 5
a28 = 9(28) -4 =248
S28 = 28/2 (5+248)
=14 *(253)
3542