MATHEMATICS MIDDLE SCHOOL

I dont know the answer. Can someone help me ?

Answers

Answer 1

Answer:

Answer:

V = 18 pi unit ^3

Step-by-step explanation:

Volume of a cylinder is given by

V = pi r^2 h

where r is the radius and h is the height

V = pi * (3)^2 *2

V = pi *9(2)

V = 18 pi unit ^3

Answer 2

Answer:

The volume of a cylinder is

(Pi) x (radius squared) x (height) .

Using this, you can FIND the volume of any cylinder, even when you don't know it. This one is 18 pi cubic units.

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Plz help me solve this problem i think its a but not sure plz help me...look at pic
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Reflect the triangle in the mirror line.

Answers

The diagram attached below shows the schematic representation of reflection of a triangle that occurs in a plane mirror.

What is a reflection?

A reflection can be defined as a type of transformation which moves every point of the object by producing a flipped but mirror image of the geometric figure.

The top left point will stay the same in the axis, and will be on the axis

Finally, the top right point will stay true same on the x-axis, but will be on the axis in its image.

Since the mirror is a plane surface which can reflect light. The diagram attached below shows the schematic representation of reflection of a triangle that occurs in a plane mirror.

Answers

I’m not sure, but I believe the answer is C. (-3.4, -2). The reason why is because (-7/2, -2) makes absolutely no sense, (-3, 0) does not make sense either since the middle’s Y axis is -2, And for it to be (-3, -2), the X axis number would have to be directly on the “-3” line.

The sum of two numbers is 17.The difference of those same two numbers is 3.

Find the two numbers, and their equations

Answers

a+b= 17
a-b=3
a=10
b=7
That is the answer

there are usually 30 students in my class 1/5 of the students are absent today how many students were in my class today

Answers

1/5= 0.2

30 - 0.2 = 29.8

1/5 = .2
.2 * 30 = 6
30 - 6 = 24
There were 24 students in class

Blake and three friends meet for lunch. His friends all get the same thing, but Blake gets a different lunch that cost $6. Write ab expression to show the total amount that Blake and his friends spend. Then find the total amount that Blake and his friends spend if each friend spends $8.

Answers

Answer:

Step-by-step explanation:

Friends lunch=8+8+8=$32

Blake's lunch=$6

32+6=$40 total

A dartboard shaped like a regular octagon has an apothem of 15 inches. The smaller octagon, which is also regular, has an apothem of 8 inches. What is the probability of a randomly thrown dart landing within the shaded region, given that the dart lands inside the larger octagon? Round the answer to the nearest hundredth. (Hint: An apothem is the perpendicular distance from the center of a regular polygon to its side.) A. 0.14 B. 0.15 C. 0.27 D. 0.28

Answers

Assuming that the person throwing the dart is not aiming for any particular part of the dartboard and that all darts thrown at the board don't miss the board, then we can make use of the area to get the probability
So,
P = A1 / (A1 + A2)
The formula for the area of regular octagon is
A = (1/2) (a) (8) (2a tan 180/8)
A = 8 a² tan 180/8
Where a is the apothem. Substituting, the answer would be
C.
0.27

Answer:

.27

Step-by-step explanation:

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