3 years ago

What solid 3D object is produced by rotating the semicircle about line m,

Mathematics

2 answers:

GalinKa [24]3 years ago

4 0

Answer:

Step-by-step explanation: act like you are cutting a pizza slice and you will get your answer!

Sophie [7]3 years ago

3 0

A) a sphere with a radius of 2 unit

B) a sphere with a diameter

Step-by-step explanation:

if the given circle gives you the radius, the answer is a, if it gives you the diameter, the answer is b

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vazorg [7]

Inverse of $f(x)=x+2$ is $f^{-1}(x)=x-2$ because

$f(x)=x+2\Rightarrow x=f^{-1}(x)+2\Rightarrow\boxed{f^{-1}(x)=x-2}$

Now $f^{-1}(-5)=-5-2=\boxed{-7}$ .

Hope this helps.

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2 years ago

What is the slope of a line parallel to y = 4/3x-2

den301095 [7]

I'm not that sure but I want to help

Step-by-step explanation:

y=4/3×-2

y=2/3×

Divide 2/3×

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2 years ago

I have no idea what I'm doing :^

mars1129 [50]

Answer:

press this link and u will get the answers

https://www.math.tamu.edu/~rosanna/141/WIR2_done.pdf

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3 years ago

Read 2 more answers

Pls help. What is the appropriate congruent for these triangles

Leviafan [203]

Answer:

C. HL

Step-by-step explanation:

The diagram given shows that the hypotenuse length and the length of a leg of one right triangle is congruent to the hypotenuse and corresponding leg length of the other. Based on Hypotenus-Leg criterion, the two right triangles is proved to be congruent because it meets the criterion of HL.

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2 years ago

Exact solutions. X^2-5x-1=0

Romashka [77]

Answer:

x= (5±√29)÷2

Step-by-step explanation:

Quadratic formula:

x= (-b±√b²-4ac)÷2a

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3 years ago