3 years ago

Which of the factors of 120 are composite numbers?

Mathematics

1 answer:

Pani-rosa [81]3 years ago

6 0

Answer:

Find a common prime factor in each of these pairs of numbers

a.21 and 411

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Consider two investments, one earning simple interest and one earning compound interest. If both start with the same initial de

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Ratio between balances will be:

$(x*(1+i)*n)/(x*(1+i)^n)$

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x = deposit

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3 years ago

Determine the number of real solutions of -2x^2+5x-3=0

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Answer:

Two distinct real solutions.

Step-by-step explanation:

Given the equation in the form $ax^2+bx+c=0$ , you need to find the Discriminant with this formula:

$D=b^2-4ac$

For the equation $-2x^2+5x-3=0$ you can identify that:

$a=-2\\b=5\\c=-3$

Then, substituting these values into the formula, you get that the Discriminant is:

$D=5^2-4(-2)(-3)$

$D=1$

Since $D>0$ , then $-2x^2+5x-3=0$ has two distinct real solutions.

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