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cupoosta [38]
3 years ago
14

Is -115.5 rational or irrational

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
4 0

Answer:

Rational

Step-by-step explanation:

A rational number is a number that can be represented a/b where a and b are integers and b is not equal to 0. It is also rational because it can be represented as a ratio between two numbers which is usually not the case in irrational numbers.

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Need Help With This​
gregori [183]

Answer/Step-by-step explanation:

Let x = 4 (you and 3 friends)

Ticket cost per head = $5.50

Drink cost per head = $2.50

Popcorn cost per head = $4.00

<em>Expression representing total amount of money spent = $5.50(x) + $2.50(x) + $4.00(x)</em>

<em />

Evaluate the expression by plugging in the value of x = 4

Total amount of money spent = $5.50(4) + $2.50(4) + $4.00(4)

= $22 + $10 + $16 = $48

<em>Total amount of money spent = $48</em>

8 0
3 years ago
A sphere has a radius of 6 meters. A second sphere has a radius of 3 meters. What is the difference of the volumes of the sphere
erica [24]
The volume of the first figure: 904.78 m^3
the volume of the second figure: 113.1 m^3
Difference: 904.78-113.1= 791.68

6 0
3 years ago
Read 2 more answers
A student solved log4(2x – 12) = 3, as shown. Which did you include in your answer?
siniylev [52]

Answer:

x = 38

Step-by-step explanation:

using the law of logarithms

• log_{b} x = n ⇔ x = b^{n}, hence

log_{4}(2x - 12) = 3 ⇒ 2x - 12 =  4^{3} = 64

add 12 to both sides

2x = 76 ( divide both sides by 2 )

x = 38


5 0
3 years ago
What is 2 5/8+1 1/4?
vagabundo [1.1K]
<span>(2 5/8)+ (1 1/4) = </span>3.875
3 0
3 years ago
6xsquared minus 12x minus 144
Tasya [4]

Answer:

x= -4, 6

Step-by-step explanation:

6x^2-12x=144

(6x^2-12x=144)/6

x^2-2x=24

(x+4)(x-6)=0

x+4=0        (x-6)=0

x=-4            x=6

7 0
3 years ago
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