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3 years ago

PLEASE HELP ASAP!!!!

Mathematics

2 answers:

zmey [24]3 years ago

8 0

Answer:

Distributive Property

Step-by-step explanation:

Bogdan [553]3 years ago

6 0

1) a. Distributive property

2) subtraction property of equality

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3 years ago

The diameter of a iron sphere is 8 cm. It is beaten and drawn into a wire with a diameter of 2 mm. Find the length of the wire.

djyliett [7]

Answer : The length of the wire is, 8533 cm

Step-by-step explanation :

As the iron sphere is beaten and drawn into a wire. That means, their volume will be equal.

Volume of iron sphere = Volume of cylindrical wire

The formula will be:

$\frac{4}{3}\pi r_1^3=\pi r_2^2h$

where,

$r_1$ = radius of sphere = $\frac{Diamtere}{2}=\frac{8cm}{2}=4cm$

$r_2$ = radius of cylindrical wire = $\frac{Diamtere}{2}=\frac{2mm}{2}=1mm=0.1cm$

h = height of cylindrical wire or length of wire

Now put all the given values in the above formula, we get:

$\frac{4}{3}\pi r_1^3=\pi r_2^2h$

$\frac{4}{3}\times r_1^3=r_2^2h$

$\frac{4}{3}\times (4)^3=(0.1)^2h$

$h=8533.33cm\approx 8533cm$

Therefore, the length of the wire is, 8533 cm

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3 years ago

Please help Asap will mark (Brainliest)

nadezda [96]

Answer: The area of the notebook that the sticker covers is 128 cm^2

Step-by-step explanation:

The equation for the area of a rectangle should be:

$A=bh$

-The height of the stickers measures 16 cm:

$height = 16cm$

-So, if the base is half as long as the height, you divide it by 2:

$base=\frac{16}{2}=8cm$

-Then, you substitute it:

$A=16$ · $8$

-Result:

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