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olga nikolaevna [1]
3 years ago
9

Help!!!! please!!!!!

Mathematics
2 answers:
marin [14]3 years ago
5 0

The three dimensional shape is a cylinder

Rufina [12.5K]3 years ago
4 0

Answer:

cylinder

Step-by-step explanation:

this net forms a cylinder.

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A fisherman can
viva [34]

Answer:

4 [miles].

Step-by-step explanation:

1) the condition 'the entire trip took 5 hours' can be written as (where t_us - time spent upstream, t_ds - time spent downstream)

t_{us}+t_{ds}=5;

2) but the distance [D] upstream is equal the distance downstream, then the condition above can be written:

\frac{D}{V_{us}} +\frac{D}{V_{ds}} =5; \ (V_{us}-rowing \ upstream,V_{ds}-rowing \ downstream);

3) finally,

D=\frac{5V_{us}*V_{ds}}{V_{us}+V_{ds}};

D=5*4/5=4 [miles].

5 0
1 year ago
Find the opposite of 4p3+9p−2 .
stealth61 [152]
-4p^2 - 9p + 2 ezzzzzzz just switch the signs bruhhhh

6 0
3 years ago
What is a hypotenuse? <br> I took this picture to help you explain it if you can. Thanks!
Tanzania [10]
So basically the hypotenuse is the part of the triangle that connects the two sides that create the right angle
3 0
2 years ago
Read 2 more answers
A scientist needs 4.8 liters of a 12% alcohol solution. She has available a 22% and a 10% solution. How many liters of the 22% a
yanalaym [24]

Answer:

  • 4.0 L of 10%
  • 0.8 L of 22%

Step-by-step explanation:

For mixture problems, it is convenient to define a variable to represent the amount of the greatest contributor. Let x represent the amount of 22% solution in the mix. Then 4.8-x is the amount of 10% solution.

The amount of alcohol in the mix is ...

  0.22x +0.10(4.8-x) = 0.12(4.8)

Eliminating parentheses, we have ...

  0.22x -0.10x +0.10(4.8) = 0.12(4.8)

Subtracting (0.10)(4.8) and combining x-terms gives ...

  0.12x = 0.02(4.8)

  x = (0.02/0.12)(4.8) = 0.8 . . . . . divide by the x-coefficient

The scientist needs 0.8 L of 22% solution and 4.0 L of 10% solution.

5 0
3 years ago
The points R(-4,3), S(1, -3), and T(2, 1) are connected to form ARST.
LenKa [72]

Answer:

Scalene

Step-by-step explanation:

6 0
3 years ago
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