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3 years ago

Is 7.068583471 a rational irrational number??

Mathematics

1 answer:

Novosadov [1.4K]3 years ago

6 0

If the number terminates then it is rational. The number 7.068583471 terminates which means it is a rational number.

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What answer choice is this and step by step explanation?

cupoosta [38]

Answer:

2.5/yr

Step-by-step explanation:

Every year the height of the tree goes up by 2.5 ft.

You can tell that by doing this

12-9.5=2.5

9.5-7= 2.5

7-4.5= 2.5

I hope this helps! tell me if I need to explain more!

6 0

3 years ago

Least to greatest. <br> -5, 1 1⁄5, -5 3⁄4, 5⁄12

Mazyrski [523]

-5 3/4, -5, 1 1/5, 5/12

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3 years ago

PLS HELP ME! FOR 50 POINTS!!! I will give brainliest!

lbvjy [14]

Answer:

$\frac{x - 3}{x + 4} \div \frac{x ^{2} - 1 }{ x} \\ = \frac{x - 3}{x + 4} \times \frac{x}{ {x}^{2} - 1} \\ =\frac{x(x - 3)}{(x + 4)( {x}^{2} - 1) } \\= \frac{x(x - 3)}{(x + 4)(x + 1)(x - 1)}$

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2 years ago

Please help with all of these!!! VERY URGENT!!!

nlexa [21]

1. The coefficient is 5
2. The terms are 2x, 4y, and 8
3. The variables are c, cd, d and d
4. The constants are 2 and 14

5 0

2 years ago

Read 2 more answers

The sun shines at a 30° angle to the ground. To the nearest inch, how long is the shadow cast by a 72-in. tall fence post?

tensa zangetsu [6.8K]

The length of the shadow is 124.7 in

<u>Explanation:</u>

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Given:

Angle, θ = 30°

Height of the fence, h = 72 in

Length of the shadow, l = ?

Given:

tan 30° = $\frac{perpendicular}{base} = \frac{height of the fence}{length of the shadow}$

$\frac{1}{\sqrt{3} } = \frac{72}{l} \\\\l = 72\sqrt{3} \\\\l = 124.7 in$

Therefore, the length of the shadow is 124.7 in

5 0

2 years ago