What is 0.98 as precents

2 answers:

7 0

.98 is equal to 98 percent. To calculate any percent, take the decimal, in this case .98 and multiply it by 100. You can also just move the decimal two places to the right. Hope this helps.

NeX [460]4 years ago

4 0

98%
Hope this helps you :)

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Simplify the expression p×-1p×+1

inysia [295]

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6 0

2 years ago

An egg is dropped from the window of a building. The height, in feet, of the egg t seconds after it is thrown is represented by

joja [24]

Answer:

1.58

Step-by-step explanation:

Okay. We're solving for <em>t</em> because we need to know how many seconds. From the problem, we know the height (10), but we don't know <em>when </em>that height happens.

$10 = -16tx^{2} -7t+61$

We can factor by multiplying -16 by 61 first to get -976 and see what multiplies to get -976 AND adds to get -7 at the same time. But we can also use the quadratic formula because, let's be honest, factoring can be a lot of extra work.

$10 = -16t^{2} -7t+61\\\\0 = -16t^{2} -7t+51\\\\t=\frac{-b\pm \sqrt{b^{2}-4ac } }{2a} \\=\frac{-(-7)\pm \sqrt{(-7)^{2}-4(-16)(51) } }{2(-16)} \\=\frac{7\pm \sqrt{49+64(51) } }{-32} \\=\frac{7\pm \sqrt{3313} }{-32}$