The answer is 28 units squared
If quantity t varies inversely with a quantity r ,
Then mathematically t α 1/r,
Introducing a constant, t = k/r .
When t = 6 then r = 5,
therefore, 6 = k/5
k = 6×5
k = 30 (Constant of variation)
Which means the equation connecting t and r will be t = 30/r
To find the value of t when r = 15, we use the equation of this variation
such that, t = 30/15
t = 2
Answer:
B
Step-by-step explanation:
8a+24
Answer:
B. 120
Step-by-step explanation:
<u>so his average speed is 20 mph in heavy traffic, and 50 mph in light traffic</u>
in 1 hour of heavy traffic, he would have gone 20 miles because if his average speed is 20 mph (miles per hour) in heavy traffic, then in 1 hour he would have gone 20 miles
20(1) = 20
in 2 hours of light traffic, he would have gone 100 miles because if his average speed is 50 mph (miles per hour) in light traffic, then in 2 he would have gone 100 miles
50(2) = 100
in total, if you add the 20 and 100, you find out how far abdul traveled:
20 + 100 = 120
so in 1 hour of heavy traffic and 2 hours in light traffic, abdul would have traveled 120 miles
Pebble falls into the pond from the surface and it descends at a rate of 2 feet per second.
So basically, the pebble is descending or falling down at 2 feet per second which means after every 1 second, it goes 2 feet down.
The equation to represent the depth of the pebble with time is given by:
Where, 'd' is the depth after certain time and 't' is the time in seconds.
Now, we need to find the depth of the pebble after 5 seconds.
Plugging the value 
, we get:
So, after 5 seconds the pebble will be at the depth of 10 feet.
