Answer:
8
Step-by-step explanation:
hypotenuse^2= leg^2 + leg^2
10^2= 6^2 + x^2
100= 36 + x^2
100-36= x^2
64= x^2
√64=√x^2
8= x
PR=9(43)-31
PR=387-31
PR=356
I think that's the answer :)
Answer: -1/343
Step-by-step explanation:
-7(-7)^-4
First, re-write as positive exponents:
-7(-1/7^4)
Next, simplify:
-1/7^3 (you can simplify using exponent rules)
Simplify 7^3 :
7(7)(7)
49(7)
343.
Insert to original expression:
-1/343.
Hello.
Time taken by 3 person to paint one wall=32÷4=8minstime taken by 1 person to paint one wall=8*3=24minstime taken by 1 person to paint 7 walls=24*7=168 minstime taken by 4 persons to paint 7 walls=168÷4=42mins
Answer= 42 minutes
Have a nice day
Isn't it 1.4 because I'm thinking its 1,400 and 1.2 is 1,200
