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Pavel [41]
2 years ago
13

Need help with homework

Mathematics
1 answer:
zubka84 [21]2 years ago
5 0

Answer:

5. the other angle has to be 2x because of the other lines being equals so

2x+2x+x-15=180

5x-15=180

5x=195

x=19

6. the other two angle is ajacent to the other two so

3x+17+3x+17+x-9+x-9=360

8x+16=360

8x=344

x=43

7. this ones pretty simple

2x-4+3x+5+2x+11=180

7x+12=180

7x=168

x=24

8. this one to

x+x+4+3x-9=90

5x+5=90

5x=85

x=17

Hope This Helps!!!

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How many cubes of edge 4cm, each can be cut out from cuboid whose length, breadth and height are 20 cm, 18 cm and 16 cm respecti
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Answer:

90 cubes.

Step-by-step explanation:

First we find volume of the cuboid.

Volume = l x b x h = 20 x 18 x 16 = 5760 cm³

Now,

Volume of a single cube = l³ = 4³ = 64

No of cubes that can be cut out from the cuboid is

= Volume of cuboid/ volume of cube

= 5760/ 64

= 90 cubes

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2 years ago
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Answer:

não sei não falo seu idioma

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3 years ago
7. Patrick tosses a penny and a number cube, with faces numbered 1 through 6, at the
lions [1.4K]

Answer:

B. 1/3 or 33.3%

Step-by-step explanation:

<em>H-</em> 1 ,2 ,3, 4, 5, 6

<em>T-</em> 1, 2, 3, 4, 5, 6

Multiples of <em>3:</em> 3, 6, 9, 12, etc..

<em>2/6 simplified is 1/3 </em>

So, the probability that the penny will land on heads and the number cube will land on a multiple of 3, is 1/3 or 33.3%

7 0
2 years ago
How do you write 0.733333333333333333333....<br> as a fraction?
faust18 [17]

Answer:

11/15

Step-by-step explanation:

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-5-(15Y-1)=2(7Y-16)=Y         What does Y equal?                     Show work
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-5-(15Y-1) = 2(7Y-16)

-5-15Y+1 = 14Y-32

32-4 = 19Y

Y = 28/19

8 0
3 years ago
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