3 years ago

The sum of a number and its reciprocal is 61 30 . Find the numbers.

1 answer:

7 0

Let's say the number is hmmm "a", its reciprocal would then be 1/a
thus $\bf a+\cfrac{1}{a}=\cfrac{61}{30}$

solve for "a"

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Lana71 [14]

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3 years ago

1. Identify the lateral area and surface area of a regular square pyramid with base edge length 5 in. and slant height 9 in.

zlopas [31]

1. C
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L=1/2(20x9)
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2 years ago

What is the value of x?<br><br> Enter your answer, as a decimal, in the box.

Katarina [22]

Answer:

$x=50.6cm$

Step-by-step explanation:

Triangle MAB is similar to triangle MNP

Since the triangles are similar, the corresponding ratios are in the same proportion.

Therefore we can write the relation;

$\frac{|MB|}{|MP|}=\frac{|MA|}{|MN|}$

$\frac{x}{72.6}=\frac{46.2-14}{46.2}$

This implies that;

$\frac{x}{72.6}=\frac{32.2}{46.2}$

We multiply both sides by 72.6 to get

$\frac{x}{72.6}\times 72.6=\frac{32.2}{46.2}\times72.6$

$\Rightarrow x=50.6$

Hence the value of $x$ is 50.6 cm

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