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user100 [1]
2 years ago
15

The hypotenuse of a right triangle is twice the length of one of its legs. The length of the other leg is three feet. Find the l

engths of the three sides of the triangle. Enter an exact answer. Do not type your answers as fractions or decimals.
Mathematics
2 answers:
kari74 [83]2 years ago
6 0

Answer:

2√3 = hypotenuse

√3 = side

Step-by-step explanation:

\sqrt{3^{2} +x^{2} } = 2x \\\sqrt{9 +x^{2} } = 2x\\9+x^{2} =(2x)^{2} \\9+x^{2} = 4x^{2} \\9 = 4x^{2} - x^{2} = 3x^{2} \\3 = x^{2}\\\sqrt{3} = x\\\\2x = 2\sqrt{3}\\

hjlf2 years ago
5 0

Answer:

the smaller side=√3

hypotenuse=2√3

Step-by-step explanation:

(see the attachment below)

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While visiting a friend's home, I saw kittens and chickens playing in the backyard. Counting heads, I got 18. Counting feet, I g
andrew11 [14]

Answer:

  11

Step-by-step explanation:

The 25 pairs of feet were 7 more than the number of heads, so there were 7 kittens. Hence there were 18-7 = 11 chickens.

5 0
3 years ago
NEED HELP NOW !!!!!!! The ratio of teachers to students on a field trip to the art museum is supposed to be 1 : 5. Which group d
WINSTONCH [101]

Answer:

B. 4 teachers : 25 students

Step-by-step explanation:

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8 0
2 years ago
Read 2 more answers
In 2000 there were about 2,172,000 farms in the United States. Twenty -four thousand of the farms were in South Carolina. What p
Shalnov [3]
The amount of South Carolina Farms in the US is 24000/2172000
     → 24 000 ÷ 2 172 000 = 0.1104972
     → To convert into a percentage: 0.1104972 x 100 = 11.04972 
     → Round 11.04972 to 11 (nearest whole percent)

      ∴ The percentage of farms in South Carolina is 11%
4 0
3 years ago
4x – 4 – 3x > 13 – 7x – 1 + 8
Rashid [163]
If you would like to solve the inequation 4 * x - 4 - 3 * x > 13 - 7 * x - 1 + 8, you can do this using the following steps:

4 * x - 4 - 3 * x > 13 - 7 * x - 1 + 8
4 * x - 3 * x + 7 * x > 4 + 13 - 1 + 8
8 * x > 24      /8
x > 24/8
x > 3

The correct result would be x > 3.
4 0
3 years ago
A triangle has side lengths of 7 in., 9 in., and 11 in. Determine whether this is a right triangle and why.
Harlamova29_29 [7]

Answer:

Not a right triangle.  See below for my reasoning.


Step-by-step explanation:

If this is a right triangle, then the sum of the squares of the two shorter sides will equal the square of the longest side:  7^2 + 9^2 = 11^2 => 49 + 81 = 121   But this is false.

8 0
2 years ago
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