3 years ago

Which could be the entire interval over which the

Mathematics

1 answer:

Alex73 [517]3 years ago

7 0

Answer:

(1,4)

Step-by-step explanation:

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Given that θ=<img src="https://tex.z-dn.net/?f=cos%5E%7B-1%7D%20%28%5Cfrac%7B3%7D%7B5%7D%20%29" id="TexFormula1" title="cos^{-1}

GalinKa [24]

What? Can you re-type this?

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3 years ago

Find the perimeter of a regular pentagon with sides of (3x + 5).

kotegsom [21]

Answer:

5(3x + 5) or 15x + 25

Step-by-step explanation:

A regular pentagon has 5 sides of equal length. The perimeter is the sum of the lengths of those sides. We can use multiplication to find the sum of 5 of the same value:

P = 5(3x +5)

Perhaps you want it expanded. Using the distributive property, we multiply each term in parentheses by 5:

P = 15x + 25

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3 years ago

Which of the following numbers is rational but not an integer?<br> -9 <br>-4.3<br> 0 <br> 3

Bess [88]

Answer:

Step-by-step explanation:

The answer would be 0

7 0

3 years ago

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Find the discriminant and the number of real roots for this equation. x^2 + 2x + 8 = 0

ehidna [41]

Step-by-step explanation:

A is correct option there are no real roots

because discriminant is less than zero

5 0

2 years ago

HURRY PLEASE. 90 POINTS!! Find –(–8). –18, –8, 0, 8

kolbaska11 [484]

What do you mean by find those numbers?

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3 years ago

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