2 years ago

3/5 x 7/9 multiplication

Mathematics

1 answer:

lilavasa [31]2 years ago

3 0

21\25
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(x+8)-14=-15 what is the solution to the equation

Artist 52 [7]

$(x+8)-14=-15 \\ \\ x+8=-15+14 \\ \\ x+8=-1 \\ \\ x=-1-8 \\\\ \boxed{x=-9}$

3 0

3 years ago

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The altitude to the hypotenuse of a right triangle divides the hypotenuse into segments 3cm and 27cm long. Find the length of th

marissa [1.9K]

To find the length of the altitude, we have to use the ratios of the similar sides.
Let the length of altitude=x
Ratio of sides:
$\frac{x}{3} = \frac{27}{x} \\
Cross \ multiply \\
 x^{2} =81 \\
Take \ square \ root.\\
 \sqrt{x^2}= \sqrt{81} \\
x=9 \\$
So length of altitude is 9 cm.

Answer: 9 cm