Answer:
x= 20
Step-by-step explanation:
The sum of the three angles is 90 degrees
x+2x+x+10 = 90
Combine like terms
4x+10 = 90
Subtract 10
4x+10-10 = 90-10
4x= 80
Divide by 4
4x/4=80/4
x = 20
Answer:
3.9
Step-by-step explanation:
(76-62.10)÷3.55=3.91...
=3.9 (correct to nearest tenth)
Answer:
b and c
Step-by-step explanation: If you subtract 23 from 23/ 23-23=0 and 23-(-23)= 0. Hope this helps!
Answer:
peregrine falcon
Step-by-step explanation:
you convert the 61.6 feet to miles which is 0.01166667 miles. you multiply that by the seconds in an hour(3600)
so 0.01166667*3600 = 42 miles an hour 75>42