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V125BC [204]
3 years ago
7

Which number is irrational

Mathematics
1 answer:
alina1380 [7]3 years ago
4 0

For this case, we have by definition, that an irrational number is a number that can not be expressed as a fraction \frac {a} {b}, where a and b are integers and b is nonzero.

Some examples are:

\sqrt {2}, \sqrt {3}, e, \pi.

So, that the answer is \pi.

Answer:

Option C

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Which of the following statements is true
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I'm not sure cause their are no statements!

Step-by-step explanation:

None!

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a radio transmission is 515 feet tall. a guy wire is to be attached (6)feet from the top and is to make an angle of 22 degree wi
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Draw a graph of 515 length then then make an angle of 22 width that should get you your answer. Hope this helps!
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What is the rate of change of the following equation?<br> y = x - 4
podryga [215]

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-4

Step-by-step explanation:

3 0
3 years ago
HELP PLEASE!!! I need your guys help on this question.
dem82 [27]

Answer:

Area of a trapezium = 1/2(a+b)×h

where a and b are parallel sides of the trapezium

h is the height

First question

We must first find the height of the trapezium using Pythagoras theorem

That's

h² = 8² -3²

h =√ 64 - 9

h = √ 55m

a = 7m

b = 10+3 = 13m

Area of the trapezoid = 1/2(7+13)×√55

= 1/2×20×√55

= 74.16

= 74m² to the nearest tenth

Second question

We use sine to find the height

sin30° = h/12

h = 12 sin 30°

h = 6 in

Let the other half of the parallel side be x

To find the other half of the parallel side we use Pythagoras theorem

That's

x² = 12²- 6²

x = √144-36

x = √108

x = 6√3 in

So for this trapezoid

a = 9 in

b = (9 + 6√3) in

h = 6 in

Area of the trapezoid = 1/2(9 + 9+6√3) × 6

= 1/2(18+6√3)×6

= 85.176 in²

= 85 in² to the nearest tenth

Hope this helps you

6 0
4 years ago
Read 2 more answers
Spencer Ward purchased a new riding mower for $1,989. He made a 15% down payment and financed the remainder. What amount did he
Ostrovityanka [42]
The amount of the down payment is
1,989×0.15=298.35

Amount financed is
1,989−298.35=1,690.65
4 0
3 years ago
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