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mafiozo [28]
3 years ago
13

A ball is thrown in the air. The relationship between the time the ball is in the air, t (in seconds), and the height of the bal

l in feet above the ground (h) is represented by h=-16t2+20t+6. How many seconds will it take for the ball to hit the ground?
Mathematics
1 answer:
Veseljchak [2.6K]3 years ago
6 0

Answer:

88

Step-by-step explanation:

87+1=88

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4^3 ab^2

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Answer:

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Step-by-step explanation:

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3 0
3 years ago
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Triangle PQR has vertices at the following coordinates: P(0, 1), Q(3, 2), and R(5, -4). Determine whether or not triangle PQR is
sweet-ann [11.9K]
The answer is yes, and I will give you the calculation soon

PQ=\sqrt{3^{2} +1^{2}  }=\sqrt{10}
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7 0
3 years ago
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HELP FAST!!!!
IRISSAK [1]

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comparison groups

Step-by-step explanation:

5 0
3 years ago
Victor sold cupcakes and cookies yesterday. Each cupcake sold for $2.25 and each cookie sold for $0.50. At the end of the
lidiya [134]

answer:number of cupcakes sold is 13  Number of cookies sold is 27  

Step-by-step explanation:

Let x represent the number of cupcakes that Victor sold.  Let y represent the number of cookies that Jane sold.  Each cupcake sold for $2.25 and each cookie sold for $0.50. At the end of the day,  This mean Victor had 2.25x 0.5y = 42.75 - - - - - - - - - -1she sold 40 cupcakes and cookies combined, it means thatx y = 40Substituting x = 40 - y into equation 1, it becomes2.25(40 - y) 0.5y = 42.7590 - 2.25y 0.5y = 42.75- 2.25y 0.5y = 42.75 - 90- 1.75y = - 47.25y = - 47.35/-1.75y = 27x = 40 - yx = 40-27 = 13

3 0
3 years ago
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