Answer:
20cm
Step-by-step explanation:
pythagorean theorem
15^2 + b^2 = 25^2
225 + b^2 = 625
b^2 = 400
b = 20
3x=14-5
3x=14-5
3x=9
x=9 ➗ 3
x= 3
the answer is 3
Answer:
7
Step-by-step explanation:
just subtract 7 from largest number down to smaller numbers to notice the pattern. :)
Step-by-step explanation:
-8x+5 > 21
Minus 5 from both sides
-8x > 16
Then divide 8 from both sides (also I am pretty sure the sign would change because you are dividing by a negative number)
x < -2
So the answer is x is less than or equal to -2
or C
I hope this helps!
18/21 in simplest form would be 6/7