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2 years ago

5

What is

="absmiddle" class="latex-formula"> as a decimal

2 answers:

N76 [4]2 years ago

8 0

Answer: 0.04
Explanation:
Divide 1 by 25 and you’ll get 0.04

ziro4ka [17]2 years ago

3 0

Answer:

0.04

Step-by-step explanation:

You have to divide 1 and 25 and your answer will be 0.04 :)

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Please complete z2+9z-90=(z-6)(z+?) ...?

notka56 [123]

The answer is: (z - 6)(z + 15)

z² + 9z - 90 = z*z + 15z - 6z - 6*15 =
= (z*z + 15z) - (6z + 6*15) =
= z(z + 15) - 6(z + 15) =
= (z - 6)(z + 15)

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3 years ago

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Which of the following is a function equivalent to f(x) = 5(1.9)3x?

Sophie [7]

B. f(x)=5(6.86x) this the correct anwser

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valentinak56 [21]

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Step-by-step explanation:

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2 years ago

Find the tangent line equation of the curve at the given point. Y=arcsin(7x) at the point where x=sqrt2/14

Mumz [18]

Answer:

$Y-\frac{\pi}{2} =\frac{\pi}{2} (x+\sqrt{\frac{1}{7}})$

Step-by-step explanation:

The equation of the curve is

$Y = sin^{-1}(7x)$

To find the equation of tangent we need to differentiate this equation w.r.t x

So, differentiating we get

$Y'=\frac{7}{\sqrt{1-49x^2} }$

This would give the slope of the tangent line at any given point of which x coordinate is known. In the present case it is $x = \sqrt{\frac{1}{7} }$

Then slope would accordingly be

$Y'=\frac{7}{\sqrt{1-49/49} }$

= ∞

For, $x = \sqrt{\frac{1}{7} }$ , $Y = sin^{-1}(7/7)= \pi/2$

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3 years ago

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AysviL [449]

Answer:

The variance for the number of tasters is 4.2

Step-by-step explanation:

For each person, there are only two possible outcomes. Either they are tasters, or they are not. The probability of a person being a taster is independent of any other person. So we use the binomial probability distribution to solve this question.

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Probability of exactly x sucesses on n repeated trials, with p probability.

The variance of the binomial distribution is:

$V(X) = np(1-p)$

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This means that $p = 0.7, n = 20$

So

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The variance for the number of tasters is 4.2

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3 years ago