2 years ago

With is the 5(6+7)-1(4+5)

Mathematics

1 answer:

Mkey [24]2 years ago

6 0

Answer:

56 :)

Step-by-step explanation:

hope it helps! brainliest please!

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mihalych1998 [28]

Answer:

Step-by-step explanation:

square= lw

triangle= 1/2lw

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you add 30 + 9 which will give you 39

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Find the area of a circle with radius, r = 6.43m. Give your answer rounded to 2 DP.

Vesna [10]

Answer:

129.89 m²

Step-by-step explanation:

Area of a circle of radius r is A = πr².

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A because the formula is s^2h/3 and if you plug it in, it's A.

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2 years ago

a sculpture is formed from a cylinder resting on top of a cuboid. the cylinder has a radius 40cm and height 70cm. the cuboid mea

frosja888 [35]

Answer-

$\boxed{\boxed{\text{Mass}=10.0447256\ ton}}$

Solution-

The dimensions of the cuboid is, 80×80×140 cm

So, its volume will be $=80\times80\times140=896000$ cm³

The dimensions of the cylinder is, radius = 40cm, height = 70cm

So, its volume will be $\pi r^2h=\pi\times40^2\times70=351792$ cm³

Total volume,

$V=V_{\text{Cylinder}}+V_{\text{Cuboid}}\\\\=351792+896000\\\\=1247792\ cm^3$

As we know,

$\Rightarrow \text{Density}=\dfrac{\text{Mass}}{\text{Volume}}$

$\Rightarrow \text{Mass}=\text{Density}\times \text{Volume}$

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3 years ago

Select all the statements that are correct rational approximation of irrational numbers?

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