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3 years ago

Find the area of a circle with a diameter of 12 meters. round to the nearest tenth

Mathematics

2 answers:

photoshop1234 [79]3 years ago

6 0

Answer:

113.1m2

Step-by-step explanation:

you should reread the question and ask for help.

kifflom [539]3 years ago

4 0

Answer:

36π / 113.1

Step-by-step explanation:

Area of circle = πr²

half of the diameter is the radius

12 ÷ 2 = 6

Radius is 6

EQUATION = π x 6² = 36 π

OR 113.1 to 1dp

Hope this helps :)

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The approximate height, h, in meters, traveled by golf balls hit with two different clubs over a horizontal distance of d meters

inna [77]

Answer:

a) 100 metres

b) 10 metres

Step-by-step explanation:

Given: the approximate height, h, in meters, travelled by golf balls hit with two different clubs over a horizontal distance of d meters is given by the functions: $h=-0.002d^2+0.3d\,,\,h=-0.004d^2+0.5d$

To find: distances when the ball is at the same height when either of the clubs are used. Also, to find this height

Solution:

(a)

$-0.002d^2+0.3d=-0.004d^2+0.5d\\d(-0.002d+0.3)=d(-0.004d+0.5)\\-0.002d+0.004d=0.5-0.3\\0.002d=0.2\\d=\frac{0.2}{0.002}=100\,\,metres$

(b)

Put d = 100 in $h=-0.002d^2+0.3d$

$h=-0.002(100)^2+0.3(100)\\=-20+30\\=10\,\,metres$

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Elodia [21]

Answer:

104/100 is equivalent to 1.04

Step-by-step explanation:

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How many different ways can an isosceles trapezoid be reflected across a line of symmetry so that it carries onto itself?

lbvjy [14]

Answer:

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Step-by-step explanation:

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Phantasy [73]

Answer:

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juin [17]

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