3 years ago

List five examples of materials and equipment that can be used for math activities.

Mathematics

1 answer:

laila [671]3 years ago

5 0

Answer:

compass

protecter

scale

pencil

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Use the quadratic formula to solve the quadratic equation x2 − 8x − 4 = 0.

mixas84 [53]

Hello here is a solution :
x² − 8x − 4 = 0.
quadratic equation ax²+bx+c = 0 when : a=1 and b= -8 and c = -4
discriminant : d = b²-4ac d= (-8)²-4(1)(-4) =64+16 =70
x= (-b-rot(d))/2a x'= (-b+rot(d))/2a .......conrinu

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3 years ago

The school play earned $11,271 in ticket sales. If the cost of each ticket was $13, how many tickets were sold?

mojhsa [17]

Answer:

867 tickets were sold because if you divide how much they earned by how much it cost you get 867

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3 years ago

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Circle P has a radius of 45units. It includes a sector with a central angle of x˚ and an area of 1 square unit. Which proportion

lilavasa [31]

Step-by-step explanation:

area of sector =x°/360×π×r²

1unit²=x°/360×π×45²

360=x°×π×2025

i think this is your answer.

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3 years ago

Estimate the square root of 250 to two decimal places.

Andre45 [30]

Answer:

15.81

Step-by-step explanation:

Please mark brainliest if this has helped. Have a good day and goodluck with your work!

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3 years ago

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Construct a quadrilateral ABCD, AB = 4cm BC = 3cm, AD= 2.5cm, AC= 4.5cm, BD= 4cm.

hammer [34]

Answer:

steps below

Step-by-step explanation:

1. use ruler to draw a segment of 4 units AB

2. center the compasses needle at A and draw arc with radius of 5 and intersect with another arc centered at B with radius of 3 at point C

3. center the compasses needle at B and draw arc with radius of 4.5 and intersect with another arc centered at A with radius of 2.5 at point D

4. connect BC, CD and AD to form quadrilateral ABCD

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2 years ago