3 years ago

A student in Greece discovers a pottery bowl that contains 65% of its original amount of C-14

Mathematics

1 answer:

stira [4]3 years ago

4 0

There isn't enough information to answer

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A square and a circle intersect so that each side of the square contains a chord of the circle equal in length to the radius of

krek1111 [17]

Answer:

Step-by-step explanation:

it is given that Square contains a chord of of the circle equal to the radius thus from diagram

$QR=chord =radius =R$

If Chord is equal to radius then triangle PQR is an equilateral Triangle

Thus $QO=\frac{R}{2}=RO$

In triangle PQO applying Pythagoras theorem

$(PQ)^2=(PO)^2+(QO)^2$

$PO=\sqrt{(PQ)^2-(QO)^2}$

$PO=\sqrt{R^2-\frac{R^2}{4}}$

$PO=\frac{\sqrt{3}}{2}R$

Thus length of Side of square $=2PO=\sqrt{3}R$

Area of square $=(\sqrt{3}R)^2=3R^2$

Area of Circle $=\pi R^2$

Ratio of square to the circle $=\frac{3R^2}{\pi R^2}=\frac{3}{\pi }$

5 0

3 years ago

Complete the table of values for the equation y = 3x + 5.

cricket20 [7]

f(x)=3x+5

f(-2)=3×(-2)+5

= -6+5

=-1

f(-1)=3×(-1)+5

=-3+5

f(0)=3×0+5

=0+5

f(1)=3×1+5

=3+5

f(2)=3×2+5

=6+5

=11

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2 years ago

What is the inverse of the function h(x) = 5/2x + 4

Kryger [21]

The inverse is h squared -1 (x) = 2/5x -8/5

6 0

3 years ago

What is the percentage of 2.47 out of 100

quester [9]

2.47 is 2.47% of 100

7 0

2 years ago

Read 2 more answers

What is the equation of the line that passes through the point (4,-7) and has a

aalyn [17]

Answer:

$y = -\frac{1}{2} x -5$

point slope form....

y - (-7) = -1/2(x-4)

y + 7 = -x/2 + 2

2y + 14 = -x + 4

2y = -x -10

y = -1/2 x - 5

Step-by-step explanation:

7 0

2 years ago