Answer:
15 minutes until they cross the start line again together
Step-by-step explanation:
Jacob will finish his laps in these following minutes, supposing he starts at 0:
3 minutes, 6 minutes, 9 minutes, 12 minutes, 15 minutes,...
That is, all instants of time which are multiples of three.
Betty
5 minutes, 10 minutes, 15 minutes, 20 minutes, 25 minutes, ...
That is, all instants of time which are multiples of five.
If they both start at the exact same time, how long will it take until they cross the start line again together?
This is the lesser common multiple of 3 and 5, which is 15.
So 15 minutes until they cross the start line again together
Answer:
We assume, that the number 180 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 180, so we can write it down as 100%=180.
4. We know, that x% equals 483.6 of the output value, so we can write it down as x%=483.6.
5. Now we have two simple equations:
1) 100%=180
2) x%=483.6
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=180/483.6
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.
7. Solution for 483.6 is what percent of 180
100%/x%=180/483.6
(100/x)*x=(180/483.6)*x - we multiply both sides of the equation by x
100=0.37220843672457*x - we divide both sides of the equation by (0.37220843672457) to get x
100/0.37220843672457=x
268.66666666667=x
x=268.66666666667
now we have:
483.6 is 268.66666666667% of 180
Answer:
The area of the resulting triangle will be:
Step-by-step explanation:
The area of a triangle is
Let us suppose
As the base and height are scaled a factor of 5.
so
base = 4 × 5 = 20
height = 18 × 5 = 90
as
Therefore, the area of the resulting triangle will be:
so the ans is of last option.
<em>Hope</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>
Answer:
x=14 and y=7
Step-by-step explanation:
This is a 30-60-90 triangle
So in terms of x it would be
If across the 60 is then y would be 7 which is across the 30 degrees
And x would be 14 because 2(7)=14