Answer:
Step-by-step explanation:
→ Expand out the brackets
3x + 3 < 18
→ Minus 3 from both sides to isolate 3x
3x < 15
→ Divide both sides by 3 to isolate x
x < 5
Answer:
21,25
Step-by-step explanation:
125*17:100=125*17=2125:100=21,25
Answer:
14.8
Step-by-step explanation:
By the Pythagorean theorem, ...
... x² = 7² + 13² = 218
... x = √218 ≈ 14.7648 ≈ 14.8
Answer:
a-2
Step-by-step explanation:
Answer:
The truck travel must to have a constant speed of
Step-by-step explanation:
we have
where
d expresses a car's distance in feet
t is the number of seconds
<em>Find the distance d for t=8 sec</em>
<em>Find the distance d for t=8.2 sec</em>
The total distance in this interval of 0.2 sec is
<em>Find the speed of the car</em>
Divide the total distance by the time
therefore
The truck travel must to have a constant speed of