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Luda [366]
3 years ago
15

Express 5/21 as a decimal.

Mathematics
2 answers:
Annette [7]3 years ago
7 0
5/21 is a repeating decimal but the first digits are 0.238095
ryzh [129]3 years ago
7 0
5/21 as a decimal is 0.23'
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Please help me if you love your mom
kari74 [83]

Answer:

10.2 cm²

Step-by-step explanation:

regular hexagon made up of six equilateral triangles

A = (2 × 1.7) /2 × 6 = 10.2

or by the side length

A = 3√3/2 * 2² = 10.3

8 0
3 years ago
Two vertical poles of lengths 11 ft and 14 ft stand 16 ft apart. A cable reaches from the top of one pole to some point on the g
Alex17521 [72]

We are given

total length of cable is 30 feet

and this cable is on hypotenuse sides of the triangles

so, we can draw triangle as

Let's assume those hypotenuse as 'a' and 'b'

so, we will have

a+b=30

now, we can find 'a' and 'b' from triangle

Smaller triangle:

a=\sqrt{x^2+11^2}

Larger triangle:

b=\sqrt{(16-x)^2+14^2}

we know that

a+b=30

so, we can plug this value

and we get

\sqrt{x^2+11^2}+\sqrt{(16-x)^2+14^2} =30

now, we can solve for x

\left(\sqrt{x^2+11^2}\right)^2=\left(30-\sqrt{\left(16-x\right)^2+14^2}\right)^2

32x-1231=-60\sqrt{x^2-32x+452}

1024x^2-78784x+1515361=3600x^2-115200x+1627200

now, we can use quadratic formula

we get

x=\frac{-\sqrt{36416^2-1152389056}+36416}{5152},\:x=\frac{\sqrt{36416^2-1152389056}+36416}{5152}

x=4.510,x=9.627

so,

The point should be located 4.510 feet , 9.627 feet from the smaller pole to use 30 feet cable............Answer

6 0
3 years ago
1)
Yanka [14]

Answer:

This may take awhile, but I'm willing to do it for you!

Step-by-step explanation:

  1. C
  2. B
  3. D
  4. B (2, 1/2)
  5. C
  6. It was too badly formatted I couldn't depict what it was asking. Sorry.
  7. A
  8. B
  9. Can't see the graphs. Sorry.
  10. B
  11. Can't see graphs. Sorry.
  12. B
  13. D
  14. Can't see graphs. Sorry.

Very glad I was able to help!!

6 0
3 years ago
Read 2 more answers
Write the product using exponents.<br> 3.3.3.3
Mnenie [13.5K]

Answer:

  3^4

Step-by-step explanation:

The exponent signifies the number of times the factor is repeated. Here, the factor 3 is repeated 4 times, so its exponent is 4:

  3·3·3·3 = 3^4

If you have appropriate symbols available, you can also write it using a superscript: 3^4 = 3⁴.

4 0
2 years ago
BRIANLIEST Helpppppppppppppp
xxTIMURxx [149]

i am pretty sure the answer is <em><u>C. 13</u></em>

3 0
3 years ago
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