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Irina-Kira [14]
2 years ago
9

Please help me because I need it

Mathematics
2 answers:
Juli2301 [7.4K]2 years ago
8 0

to answer the surface area for a cylinder you need to do 2 times 3.14 (pi) times the radius times the height. once you have that answer you need to do 2 times pi times the radius squared. then after you get both of those answers you add them together

Yuri [45]2 years ago
6 0
I think that the answer is A
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Describe does Glide Reflection from the preimage triangle and black to the image triangle in red
AveGali [126]

Answer:

d

Step-by-step explanation:

Lets look at V which is at (2,-4).

We will also look at it's image V' which is at (-2,-1).

Let's go through the choices:

a. translation left 4 units and down 1 unit reflection x axis

Translating V left 4 and down 1 would give us (2-4,-4-1)

(-2,-5)

Reflecting that across the x-axis would give us

(-2,5).

So this is not (-2,-1) so let's move on...

b. translation left 2 units and up 2 units reflection line x=1

Translating V left 2 and up 2 gives us

(2-2,-4+2)

(0,-2)

Now reflecting this over x=1 gives us

(2,-2). ( Imagine this x=1 which is verical going right smack between points (0,-2) and (2,-2).)

We still did not reach our goal image.

c. translation left 2 units up and up 3 units reflection y axis

Starting at V(2,-4) and moving left 2 & up 3 gives (2-2,-4+3)=(0,-1).

Now reflecting this over the vertical axis, the y-axis, gives us (0,-1).

So we did not reach our (-2,-1) point yet.

d. translation left 2 units and 3 units reflection line x=-1.

​Starting at (2,-4) then moving left 2 and up 3 gives us (2-2,-4+3)=(0,-1).

Now we are reflecting over x=-1 which means we want to choose a point on the side making x=-1 the middle. Thuis point on the other side of (0,-1) of x=-1 would be (-2,-1) which is the goal.

8 0
3 years ago
Use the expression 3n plus 5P +2+n
Lera25 [3.4K]

Answer:


Step-by-step explanation:

3n + 5p + 2 + n


Add up all the 'n's : 4n + 5p + 2


That's all you can do with it

4 0
3 years ago
If f(x)= -5 -7x, find f(-2)
swat32

Answer:

Given f(-2)

= -5 -7(-2)

= -5+14

= 9

Thus f(-2) of f(x)= 5-7x is 9

4 0
2 years ago
Over a three-day weekend, a rental car agency charges $65 to rent a car plus $0.30 for each mile traveled. If y represents the t
raketka [301]
I believe it would be y = $0.30x + $65
5 0
3 years ago
Read 2 more answers
3x-2=3<br> X=<br> Explain too please
Lubov Fominskaja [6]

3x-2=3

3x=3+2

3x=5

x=5/3

Answer : According to the information provided in the question, the value of 'x' is 5/3

5 0
3 years ago
Read 2 more answers
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