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3 years ago

Evaluate the expression 2.5 with an exponent of 2

1 answer:

6 0

The answer is 6.25

Explained: since 2.5 has an exponent of 2, you multiply 2.5 by itself, and get 6.25

2.5 x 2.5 = 6.25

Hope This Helps

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Max observes the zoo and the library from a helicopter flying at a height of 100 times square root of 3 feet above the ground, w

poizon [28]

Answer:

The distance between zoo and library is 200 feet....

Step-by-step explanation:

Look at the picture. As the figure describes,

Let H denote the position of Helicopter.

Z denote the position of Zoo.

and L denote the position of library.

Hence, we will firstly find the distance between G and zoo and then we find the distance between G and library and subtract the first distance from second to obtain the distance between zoo and library.

In ΔHGZ.

tan 60°=HG/GZ

√3=100√3/GZ

Hence, GZ=100 feet.

Similarly in ΔHGL

tan 30°=HG/GL

1/√3=100√3/GL

GL=300 feet.

Hence, the distance between zoo and library is:

GL-GZ

=300-100

=200 feet.

Hence, the distance between zoo and library is 200 feet....

8 0

4 years ago

Mettete i verbi al futuro anteriore (futur 2)

vlada-n [284]

Answer:

1. Quando loro la macchina.

2. Dopo che dormire per otto ore che cosa farete?

3. Quando lei in italia, andra in Toscana.

6 0

3 years ago

Read 2 more answers

How do I solve w, squared, minus 81.

andreyandreev [35.5K]

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4 0

3 years ago

Here is a pattern of dots.

EleoNora [17]

The dots in the patterns are illustrations of a sequence or progression

The number of dots in step 10 is 84
The number of dots in step n is (n -1)^2+ 3

<h3>The number of dots in step 10</h3>

From the pattern, we have:

Step 0 = 3 dots
Step 1 = 4 dots
Step 2 = 7 dots
Step 3 = 12 dots

So, we have the following pattern

$T_n = (n -1)^2+ 3$

When n = 10, we have:

$T_{10} = (10 -1)^2+ 3$

T10 = 84

This means that, there will be 84 dots in step 10 and there will be (n -1)^2+ 3 dots in step n