3 years ago

Which expression is equivalent to Y.Y.Y.Z.Z.Z.Z?

Mathematics

1 answer:

katen-ka-za [31]3 years ago

5 0

A y exponent 3 z exponent 4.

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The perimeter of a rectangle is 34 units. It’s width is 6.5 units

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Answer:

The length for on side is 10.5.

Step-by-step explanation:

6.5 + 6.5 = 13

34 - 13 = 21

21 divided by 2 is 10.5

Length 10.5 + 10.5 + 6.5 + 6.5 = 34

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Step-by-step explanation:

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2 years ago

Old faithful in Yellowstone National Park shoots water 60 feet into the air that casts a shadow of 42 feet. What is the height o

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Answer:

The height of near by tree will be 90 feet.

Step-by-step explanation:

Considering the water triangle as shown in figure a.

As the old faithful shoots water 60 feet into the air that casts a shadow of 42 feet.

Considering the tree triangle as shown in figure a. The tree triangle has a shadow 63 feet long.

Let x be the height of near by tree that cost a shadow 63 feet long.

Assuming that the triangles are similar

So,

the ratios of similar triangles will be related as:

$\frac{63}{42}=\frac{x}{60}$

$\mathrm{Switch\:sides}$

$\frac{x}{60}=\frac{63}{42}$

${x}=60.\frac{63}{42}$

$x=90$ feet

Therefore, the height of near by tree will be 90 feet.

Keywords: ratio, similar triangle

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