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makvit [3.9K]
3 years ago
9

6. which solid did the net form

Mathematics
1 answer:
In-s [12.5K]3 years ago
5 0

Answer:

Hexagonal Pyramid

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I really need some help somebody
Bezzdna [24]
The answer is 3. This is because, where are you see f(x) and instead of the X it is -1, then X equals -1 and once you find the point of X negative one you’ll find the y point which is what it is looking for
8 0
3 years ago
Please help me answer 16 please
amm1812

Answer:

SSS

Step-by-step explanation:

I can identify that these triangles are congruent by using the SSS (Side, Side, Side) postulate theorem. I know this because first, second, and home triangle share the same side as the third, second, and home triangle, meaning they are congruent, so are the other sides of the angle since the question states they are congruent.

5 0
3 years ago
By what percent will the product of two numbers change, if the first number increases by 70%, while the second number decreases
FinnZ [79.3K]

Answer:

2%

Step-by-step explanation:

Let x be the first number

It increases by 70 %

The new number is

m = x+ .70x

   = 1.7x

Let y be the second number

It decreases by 40 %

The new number is

n =y - .40 y

  = .6y


The product of the original numbers is xy

The product of the new number is

mn = (1.7x * .6y) = 1.02xy

The new number is larger than the old number so it is an increase.

Percent increase is  new - original divided by original  times 100%

Percent increase = (1.02 xy - xy)

                                -----------------  * 100%

                                 xy  

                           = .02 xy

                                ------- * 100 %

                                 xy  

                            = .02 * 100 %

                             = 2%



5 0
3 years ago
Divide 72kg in a ratio of 1:3:5
77julia77 [94]
Add together your portions 1 + 3 + 5 = 9 divide 72 by 9 = 8 Each portion is multiplied by 8 1 x 8 = 8 3 x 8 = 24 5 x 8 = 40 Your portions are 8kg:24kg:40kg Is this correct? Add 8 + 24 + 40. Do they equal 72? yes. Your portions are correct.
7 0
3 years ago
A square room has a tiled floor with 81 square tiles. How many tiles are along an edge of the room?
Sladkaya [172]

Answer:

36 tiles

Step-by-step explanation:

Because the room is square, the numbers of tiles along the edge of the room were multiplied by the same number, meaning that:

81 = x²

So to find x, we must square root both sides of the equation:

\sqrt{81} = \sqrt{x^2}

x = 9

So the length of one side is 9 tiles. Now to calculate the circumference, as each side of a square is the same length, we can multiply this number by 4:

9 * 4 = 36

So there are 36 tiles along the edge of the room.

Hope this helps!

4 0
3 years ago
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