4 years ago

How many solutions does y=(2-7)^2

Mathematics

1 answer:

vladimir1956 [14]4 years ago

3 0

I believe the equation y=(2-7)^2 has 1 solution which is y=25

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you invest $4000 in an account that pays simple interest of 4% for 10 years. how much will you have in 10 years?

bulgar [2K]

Annual interest - 4%

interest in 1 year
(4/100) * 4000
160

interest in 10 years
160 * 10
1600

So the amount you have at the end of 10 years
4000 + 1600
$ 5600

4 0

3 years ago

Read 2 more answers

1. A penny is dropped from the top of the empire state building. The function h(t) = -16t^2 +1250 describes the height of the pe

liubo4ka [24]

Answer: $8.83\ s$

Step-by-step explanation:

Given

Height of the dropped penny is given by

$h(t)=-16t^2+1250$

When penny hit the ground, $h(t)=0$

$\therefore -16t^2+1250=0\\\Rightarrow 16t^2=1250\\\\\Rightarrow t^2=\dfrac{1250}{16}\\\\\Rightarrow t=\sqrt{\dfrac{1250}{16}}\\\\\Rightarrow t=8.83\ s$