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kirill [66]
4 years ago
5

Area of a triangle is 1400 cm² the base of the triangle is 5 times the height what is the height of the triangle

Mathematics
1 answer:
vagabundo [1.1K]4 years ago
7 0

Answer:

≈23.66

Step-by-step explanation:

Height ---> x

base ---> 5x

<em>Formula for area of triangle: (base*height)/2</em>

((5x)(x))/2 = 1400

5x^{2}/2 = 1400

5x^{2} = 1400 · 2 = 2800

x^2 = 2800/5 = 560

x= √560 ≈ 23.66

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If there are 6 candidates in an election and voters are asked to rank all of the candidates, how many different pairwise compari
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Answer:

15 pairwise comparisons; 30 pairwise rankings.

Step-by-step explanation:

Each of the 6 candidates can be ranked #1 in relation to the other 5, for a total of 30 pairwise rankings.

Of course, two of those are comparisons of the same pair of candidates. The same is true of all pairs of candiates, so the number of pairwise comparisons is half the possible number of rankings: 30/2 = 15.

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7 0
3 years ago
Which of the following is NOT a requirement of the Combinations​ Rule, ​, for items that are all​ different? Choose the correct
sashaice [31]

Answer: A. That order is taken into account​ (consider rearrangements of the same items to be different​ sequences).

Step-by-step explanation:

The combination is usually given by the formula below:

C n,x = n! / x! (n-x)!

We should note that the requirements for a combination rule include:

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Therefore, the option that is not a requirement of the Combinations​ Rule, ​, for the items that are all​ different will then be option A"That order is taken into account​ (consider rearrangements of the same items to be different​ sequences).

3 0
3 years ago
Raj paid $31.86 for a new basketball. The price he paid included sales tax of 6.25%.
Scilla [17]
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5 0
3 years ago
Twice the sum of a number and 5 is equal to three times the difference of the number and 2
Alexxx [7]

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Step-by-step explanation:

Let the number be X

Twice the sum of a number and 5

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Check

2×(16+5) =3×(16-2)

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3 0
3 years ago
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Is that what the question was asking??
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