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aliina [53]
3 years ago
14

The sum of two numbers is 8, and their product is 80.

Mathematics
1 answer:
Anettt [7]3 years ago
6 0

From their sum, the numbers are ' x ' and ' 8 - x ' .

From their product,  x(8 - x) = 80 .

When you massage and manipulate this equation into the standard
quadratic form, you have

         x² - 8x + 80 = 0  .

Applying the quadratic formula to tease out the solutions of this equation,
we find that they are

          <em> x = 4 + 64 i</em>
and
          <em> x = 4 - 64 i</em>


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1. 9.355 × 10^{7} can be used to express the age of the dinosaur fossil.

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Step 1; To determine which value is the closest to 93,550,000 we must calculate how much the 4 options equal. If there are decimals in the number, they are moved from the decimal part of the number to the integer part with every power of 10 i.e. 2.4 × 10 = 24, 2.44 × 10² = 244.

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