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adell [148]
3 years ago
12

20POINTS ANSWER QUICK I WILL MARK BRAINLIEST

Mathematics
1 answer:
Gre4nikov [31]3 years ago
7 0

Answer:

Rotational line symmetry  &  Vertical line symmetry

Hope its correct

PLS MARK AS BRAINLIESTTT

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How many times smaller is 2 × 10^-10 than 4 × 10^-5
natta225 [31]

Answer:

200,000

Step-by-step explanation:

To find how many times smaller is smaller number than greater number, divide greater number by smaller number.

Greater number =4\times 10^{-5}

Smaller number =2\times 10^{-10}

Then

\dfrac{\text{Greater number}}{\text{Smaller number}}\\ \\=\dfrac{4\times 10^{-5}}{2\times 10^{-10}}\\ \\=\dfrac{4}{2}\times \dfrac{10^{-5}}{10^{-10}}\\ \\=2\times \dfrac{1}{10^{-5}}\\ \\=2\times 10^5\\ \\=2\times 100,000\\ \\=200,000

7 0
3 years ago
5. A silo was constructed at a farm in the shape of a right circular cylinder. It was built with an
MakcuM [25]

Answer: 112 meters

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula:

  • Volume of a cylinder (V) : π x radius ² x height

Replacing with the values given :

842,411 = π x r ² x 85

Solving for r:

842,411 / (π x 85) = r²

3,154.67 = r²

√3,154.67 = r

56.16 m = r

Finally, we have to multiply the radius by 2 to obtain the diameter:

56.16 x 2 = 112 meters

Feel free to ask for more if needed or if you did not understand something  

8 0
3 years ago
David has a triangular prism that has an equilateral base. Also, the base of the prism is of the same length as its height. Pick
Komok [63]

Answer:

a) Triangle

b) Rectangle

Step-by-step explanation:

A triangular prism that has an equilateral base and a height with the same length as the base of the prism.

a) Shape from horizontal slicing

A plane parallel to the base of a triangular prism will  intersect a cross section that is the same shape as its  bases. So the cross section of the horizontal slicing is an equilateral triangle (all the sides of the triangle are equal).

b) Shape from vertical slicing

If the triangular prism is sliced vertically, the resulting shape would be a rectangle with a length that is the same as the base of the prism.

4 0
3 years ago
Expand and simplify 4(2x+3)+4(3x+2)
REY [17]
8x+12+12x+8
20x+20
The final answer is 20x+20
6 0
3 years ago
Solve 5.7y - 3.9y I is not smart lolz
denpristay [2]
5.7 of anything minus 3.9 of the same thing leaves 1.8 of them.
8 0
3 years ago
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