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sergejj [24]
3 years ago
10

The real number square root over 23 belongs to which set of numbers? irrational numbers integers rational numbers whole numbers

Mathematics
1 answer:
weqwewe [10]3 years ago
7 0
Irrational numbers
Hope this helps
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oliver is training for a marathon. In practice, he runs 15 kilometers in 72 minutes. What is the speed in kilometers per hour?
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72/15=4.8
4.8 is the answer 
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3 years ago
A type of cell triples every hour. If there are 5 cells initially, which function can be used to
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Answer:

T(t) = 5(3)(t)

Step-by-step explanation:

There are 5 cells initially.

And it triple every hour.

So

T0 =5

T(t) = T0(3t)

Each cell has it's multipling factor because it's Will be multipling by 3 every hour

T(t) = 5(3)(t)

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A straight line is drawn through the intersection of the two diagonals of a parallelogram. Prove that it exactly divides the par
zubka84 [21]

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Step-by-step explanation:

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Which of these pairs of events are dependent?
Pani-rosa [81]

Answer:

the first one

Step-by-step explanation:

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3 years ago
A company makes traffic signs one of those signs can be modeled by an equilateral triangle with the perimeter of 144 inches the
barxatty [35]

Answer:

The height of the larger traffic signs is 51.96 inches

Step-by-step explanation:

Given that initially, A company makes traffic signs of an equilateral triangle with the perimeter of 144 inches

Now, A company makes similar traffic signs of perimeter 1.25 of original

New perimeter will be 1.25x144=180 inches

Let triangle ABC be a larger triangle with 180inches of the perimeter.

It is given that the triangle is an equilateral triangle,

Therefore, Side AB=BC=AC

The perimeter of a triangle ABC is

AB+BC+AC=180

3AB=180

AB=60 inches

Figure show that triangle ABC and AD is the height of the triangle.

Since, the triangle ABC is an equilateral triangle,

AD is the perpendicular bisector of BC

so that,

BD=DC and Angle ADB=90

In right triangle ADB,

Angle D =90 and Angle B =60

Side BD=60/2=30 inches and AB=60 inches

Using Pythagoras theorem,

AD^{2} +BD^{2} =AC^{2}

(AD)^{2} +(30)^{2} =60^{2}

(AD)^{2} =60^{2}-(30)^{2}

AD=51.96 inches

Thus, The height of the larger traffic signs is 51.96 inches

4 0
3 years ago
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