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vlada-n [284]
3 years ago
7

1. The height in feet of a thrown football is modeled by the function h(t) = -16t2 + 60t +6, where t is time

Mathematics
1 answer:
Triss [41]3 years ago
8 0

Answer:

C) football's height after 3 seconds

Step-by-step explanation:

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The ratio of girls to boys in Liza’s classroom is 5 to 4 how many girls are in her classroom if there is a total of 27 students
Pepsi [2]
Hey there,
Girls : Boys
5      : 4
Total = 9u
9u = 27
1u = 27 / 9
     = 3
5u = 3 x 5
     = 15

Hope this helps :))

~Top
8 0
3 years ago
Read 2 more answers
The simple interest I on an investment of p dollars at an interest rate r for t years is given by I=prt. Find the time it would
Nikitich [7]

Answer:

Step-by-step explanation:

You have the formula written correctly, so now we just need to fill it in with what we have. Our principle, or initial investment, is 21,000; our interest rate of 4.6% as a decimal (always as a decimal!) is .046; and our interest earned is 900.  We need to find t. Setting up with what we have:

21000(.046)(t) = 900 and

966t = 900 and

t = .931 years

.9 of a year is the same as 10.8 months or so.

6 0
3 years ago
"Find an integer, x, such that 5, 10, and x represent the lengths of the sides of an acute triangle.
Contact [7]
A, b, c - the lengths of the sides of the triangle
and a ≤ b ≤ c
then:
a + b > c and if the triangle is an acute triangle then a² + b² > c².

1^o\\5\leq10\leq x\\\\\left\{\begin{array}{ccc}5+10 \ \textgreater \  x\\5^2+10^2 \ \textgreater \  x^2\end{array}\right\to\left\{\begin{array}{ccc}x \ \textless \  15\\ x^2 \ \textless \  125\end{array}\right\to\left\{\begin{array}{ccc}x \ \textless \  15\\ x \ \textless \  \sqrt{125}\approx11.1\end{array}\right\\\\\boxed{x=11}\\\\2^o\\5\leq x\leq10\\\\\left\{\begin{array}{ccc}5+x \ \textgreater \  10\\ 5^2+x^2 \ \textgreater \  10^2\end{array}\right\to\left\{\begin{array}{ccc}x \ \textgreater \  5\\ x^2 \ \textgreater \  75\end{array}\right\to\left\{\begin{array}{ccc}x \ \textgreater \  5\\ x \ \textgreater \  \sqrt{75}\approx8.7\end{array}\right\\\boxed{x=9}

3^o\\x\leq5\leq10\\\\\left\{\begin{array}{ccc}x +5 \ \textgreater \  10\\ x^2+5^2 \ \textgreater \  10^2\end{array}\right\to\left\{\begin{array}{ccc}x \ \textgreater \ 5\\ x^2 \ \textgreater \ 75\end{array}\right\to\left\{\begin{array}{ccc}x \ \textgreater \ 5\\ x \ \textgreater \ \sqrt{75}\approx8.7\end{array}\right\\\boxed{x\in\O}\\\\Answer:\boxed{x=9\ or\ x=11}\to your\ answer:\boxed{\boxed{x=11}}
8 0
3 years ago
Read 2 more answers
a basketball hoop in front of samantha's house is 4 2/3 feet shirter than her house. the height of samantha house is 20 1/6 feet
bekas [8.4K]

Answer:

16 and 1/3

Step-by-step explanation:


5 0
3 years ago
At an aquarium, a tour of the shark tanks begins every 45 minutes. The dolphin show begins every 30 minutes. If the shark tour a
bixtya [17]
10:30 cause the the fourth dolphin show is 10:30 and third shark tank tour starts at 10:30

Hope this helps
7 0
3 years ago
Read 2 more answers
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