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3 years ago

TIME LIMITED

Mathematics

1 answer:

mrs_skeptik [129]3 years ago

8 0

Answer:

Step-by-step explanation:

|<-------------- 27 ------------>|

L--------------M----------------N

18 MN

LN = LM + MN

27 = 18 + MN

MN = 27 - 18

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Find the perimeter of the following polygon. Be sure to include the correct unit in your answer. 15 cm cm 16 cm 19 cm 10 cm

xxMikexx [17]

Answer:

15+16+19+10= 60cm

Step-by-step explanation:

If you want to find the perimeter of a polygon, you need to add all the sides.

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2 years ago

5/8 of 10 liters please :)

Finger [1]

Answer:

6.25liters

Step-by-step explanation:

5/8 × 10

Lcm is 8

5×10/8

50/8

6.25

So 5/8 of 10liters is

6.25liters

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3 years ago

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determine an equation and the radius for the circle that has its centre at the origin (0,0) passes through the point A 4-3

g100num [7]

Given:

The center of the circle is at (0,0).

The circle passes through the point A(4,-3).

To find:

The radius and the equation of the circle.

Solution:

Distance formula:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

The radius of the circle is the distance between the points (0,0) and (4,-3).

$r=\sqrt{(4-0)^2+(-3-0)^2}$

$r=\sqrt{(4)^2+(-3)^2}$

$r=\sqrt{16+9}$

$r=\sqrt{25}$

$r=5$

So, the radius of the circle is 5 units.

The standard form of a circle is

$(x-h)^2+(y-k)^2=r^2$

Where, (h,k) is center of circle and r is the radius.

Putting h=0, k=0, r=5, we get

$(x-0)^2+(y-0)^2=5^2$

$x^2+y^2=25$

Therefore, the radius of the circle is 5 units and the equation of the circle is $x^2+y^2=25$ .

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meriva

Answer:

Step-by-step explanation:

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