Answer:
179 mph
Step-by-step explanation:
Given: Average speed to cover 19 lap is 159 mph
Now, finding the speed of driver in 20th lap to attain 160 mph as an average speed.
Average Speed =
Considering x as speed in 20th lap.
⇒ 160 =
⇒ 160 =
Now, multiplying both side by 20.
⇒ 160 =
⇒ 3200 =
∴ x = 179 mph
179 mph should be the speed of driver in his 20th lap to attain an average speed of 160 mph.
Answer:
<h2>
<em>3</em><em>x</em><em>+</em><em>1</em><em>2</em></h2>
<em>Solution</em><em>,</em>
<em></em>
<em>hope </em><em>this </em><em>helps </em><em>.</em><em>.</em>
<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em><em>.</em>
x2 =9
x4 =64
64-9 =55
4-2 = 2
55/2 = 27.5
average rate is 27.5, B is the answer
K guys u rly need to learn this stuff instead of relying on google for answers, it's not hard, I promise.
Ratio is 5:4
Which is Length: Width.
We're told the Length (in Inches) is 60.
So ratio = 60: ?
A Ratio is just a simplified version of the actual numbers, k?
So The length 'scale', if you like, will be 60/5. =12.
That means one 'unit' of Ratio stuff = 12.
So then you work out the Width, by doing the Ratio number [4] x The Ratio 'scale' [12].
4 x 12 = 48! It's 48 Inches.