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Mathematics

1 answer:

Shkiper50 [21]3 years ago

4 0

Point B coordinates are (-2,2)

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A right cone with a radius of 4 inches and a square pyramid both have a slant height of 5 inches. Both solids have the same surf

Masteriza [31]

The surface area of the cone is given by:
SA=πrl
Thus the surface area of the cone will be:
SA=π×4×5
SA=20π=63.932

Surface area of the pyramid is given by:
SA=1/2×4×(b×l)
thus the base length will be:
63.932=10l
thus
l=6.3932 in

8 0

3 years ago

Please help me with this

stiks02 [169]

Answer:

1 is 40/7

Step-by-step explanation:

8 0

4 years ago

Read 2 more answers

Need help with this

blondinia [14]

Answer:

r = √(3V/(πh))
r ≈ 1.78 cm

Step-by-step explanation:

Multiply by the inverse of the coefficient of r², then take the square root.

$V=\dfrac{1}{3}\pi r^2h\\\\V=\dfrac{\pi h}{3}r^2\\\\r^2=\dfrac{3V}{\pi h}\\\\\boxed{r=\sqrt{\dfrac{3V}{\pi h}}}$

For V=50, h=15, this is ...

${r=\sqrt{\dfrac{3(50)}{\pi(15)}}=\sqrt{\dfrac{10}{\pi}}\approx\boxed{1.78\quad\text{cm}}$

4 0

4 years ago

Someone please help me with this math problem quickly!

Anna007 [38]

Answer:

(fоgоh)(x)=2x³+1

Step-by-step explanation:

Function composition is an operation where two functions, say f(x) and g(x), a new function h(x)=(fоg)(x)=f(g(x)) is generated. In this operation, the function g is applied to the result of the function f. Hence, function f:X→Y and g:Y→Z are joined to form a new function h:X→Z

Given $f(x)=x+1$