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Hoochie [10]
3 years ago
5

Box of 12 golf balls costs $45. what is the unit rate

Mathematics
1 answer:
nevsk [136]3 years ago
5 0
$3.75 per golf ball...............
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Is negative 5 a rational number or an irrational number<br><br><br> (Pleasee help me)
solong [7]

Answer:

Negative five is in fact a rational number.

Step-by-step explanation:

Rational numbers can either be negative or positive. An irrational number would be pi (3.14159 etc.)

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A cable company wants to provide cell phone service for residents on an island. The function for the cost of laying the cable fr
laila [671]

Answer:

C) domain: all real numbers greater than or equal to 0

range: all real numbers greater than or equal to 13,000

Step-by-step explanation:

We have, the function for the cost of laying cable is given by,

c(x)= 6500\sqrt{x^2+4}, where x is the length of the cable (in feet).

As, 'x' represents the length of the cable.

We have that, the value of x cannot be negative.

So, x ≥ 0.

Since, the domain of c(x)= 6500\sqrt{x^2+4} is the set of points where x^2+4\geq 0 and we have that x ≥ 0.

Thus, the domain is 'Set of all real numbers greater than or equal to 0'.

Now, we substitute x= 0 in c(x)= 6500\sqrt{x^2+4}.

i.e. c(0)= 6500\sqrt{0^2+4}

i.e. c(0)= 6500\sqrt{4}

i.e. c(0)= 6500\times 2

i.e. c(0) = 13000.

So, we get that the vertex point of the function is (0,13000).

Thus, the range is 'All real numbers greater than or equal to 13,000'.

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a rectangular patio is 9 yards 2 ft long and 5 yards 2 feet wide what is the perimeter of the patio in yards​
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Answer:36 yards and 2 feet

Step-by-step explanation:

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