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Answer:
34
Step-by-step explanation:
42/21 = x/17
solve to get the answer
2 = x/17
2*17 = x/17 * 17
34 = x
Answer:12 blue marbles
Step-by-step explanation:
I by 5 percent chance of blue marble
Let the number of blue marbles be x
X/60=1/5
5x=60
X=60/5
X=12
Answer:
5 seconds
Step-by-step explanation:
In order to find the time when it landed, we will have to find the x-intercepts.
Equation given to us : -16t² + 48t + 160
Let's take the GCD, which is -16.
-16( t² - 3t - 10 )
Factoring what's inside the brackets, we get the x-intercepts.
What multiples to -10 but adds up to -3? The numbers are -5 and 2
-16 ( t - 5 ) ( t - 2 )
X-intercepts are t - 5 and t - 2
Which is 5 and 2 seconds. But one of this is an extraneous solution and that is 2.
If we substitute the value of 2 in the equation, we will not get 0.
During the x-intercept, the x has a value and y is 0. If we substitute 5 ans x. we will get y as 0.
Hence, the answer is 5 seconds.
Answer:
Step-by-step explanation:
14
