Write the number 0.0000002 in scientific notation

Mathematics

1 answer:

Hoochie [10]3 years ago

8 0

Answer:

2 x 10^-7

Step-by-step explanation:

Move the decimal point 'til it becomes a number that is less than 10 and more than 1 then count it.

Also if the point is before the number, it is negative.

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Find the inverse of the given relation.

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Step-by-step explanation:

first look at all the numbers in the relation.then since inverse means opposite find the answers where the numbers in the parenthesis are in the opposite order than the question. Finally look for the answer In which all the positive numbers in the parenthesis(in the given relation) are negative (on the answers)and the negative numbers (in the given relation) are positive (on the answers).

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What is three and 2 fourths and minus two and three fourths

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Hope this helps!

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HELP!

maksim [4K]

Part A

$4x^2 -7x-15=0\\\\(4x+5)(x-3)=0\\\\x=-\frac{5}{4}, 3$

So, the x-intercepts are $\boxed{\left(-\frac{5}{4}, 0 \right), (3,0)}$

Part B

The vertex will be a minimum because the coefficient of $x^2$ is positive.

The x-coordinate of the vertex is $x=-\frac{-7}{2(4)}=\frac{7}{8}$

Substituting this back into the function, we get $f\left(\frac{7}{8} \right)=4\left(\frac{7}{8} \right)^2 -7\left(\frac{7}{8} \right)^2 -15=-\frac{289}{16}$