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aleksley [76]
3 years ago
8

Math. help. please. help. math homework sucks.

Mathematics
2 answers:
slamgirl [31]3 years ago
8 0
21.c

22.d

23.a

24.c
25.b
Marysya12 [62]3 years ago
4 0

Answer: Dark Mirror I'm the same way. But I agree with the person who puting those answer in. Because he's correct. I even got the same answer's.

Step-by-step explanation:

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Solve for x please and quick please
alisha [4.7K]

Answer:

   x = √149 km

Step-by-step explanation:

Pythagorean theorem

x^2 = 10^2 + 7^2

x^2 = 100 + 49

x^2 = 149

   x = √149

4 0
3 years ago
The square of a number xx is 33. The number xx is between what two consecutive whole numbers?
Ipatiy [6.2K]
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6 0
3 years ago
Will give branlist please answer this quickly.
dmitriy555 [2]

Answer:

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Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
a regular hexagonal nut of side 1 cm and length 3 cm with a central hole of diameter 1 cm. 3 cm 1 cm 1 cm. Calculate the volume
Bogdan [553]

Answer:

  5.44 cm³

Step-by-step explanation:

The volume of the hexagonal nut can be found by multiplying the area of the end face by the length of the nut. The end face area is the difference between the area of the hexagon and the area of the hole.

The area of a hexagon with side length s is given by ...

  A = (3/2)√3·s²

For s=1 cm, the area is ...

  A = (3/2)√3(1 cm)² = (3/2)√3 cm²

__

The area of a circle is given by ...

  A = πr²

The radius of a circle with diameter 1 cm is 0.5 cm. Then the area of the hole is ...

  A = π(0.5 cm)² = 0.25π cm²

__

The volume is the face area multiplied by the length, so is ...

  V = Bh = ((3/2)√3 -0.25π)(3) . . . . . cm³

  V = (9/2)√3 -0.75π cm³ ≈ 5.44 cm³

The volume of the metal is about 5.44 cm³.

5 0
2 years ago
How is 7 (x + 2) different? Brainstorm how this problem could be simplified<br><br> Help ples!!!!
Alborosie

answer:

distribute

step-by-step explanation:

7(x+2)

7(x)=7x

7(2)= 14

7x+14

6 0
2 years ago
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