2 years ago

Whats is the 39th triangular number

Mathematics

1 answer:

aleksandr82 [10.1K]2 years ago

7 0

Answer:

The 39th triangle number is 780

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grin007 [14]

Answer:

22.4722

Step-by-step explanation:

To answer this question we need to use the distance formula. The distance formula is as follows:

$d = \sqrt{(x2 - x1)^2+(y2 - y1)^2}$

Now, let's identify what each variable is:

x2 = 13

x1 = -8

y2 = -1

y1 = 7

Next, let's put these into the equation:

$d = \sqrt{(13 - (-8))^2 + (-1 -7)^2}$

Time to solve the equation:

$d = \sqrt{(21)^2+(-8)^2} \\d = \sqrt{441 + 64} \\d = \sqrt{505} \\d = 22.4722$

Therefore, the distance between the points of (-8,7) and (13,1) is 22.4722.

<em>I hope this helps!!</em>

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3 years ago

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22, 20, 18, 16, 14, 12, 10 ... so 10

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3 years ago

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An airplane descends 1.5 miles to an elevation of 5.25 miles. Write and solve an equation to find the elevation of the plane bef

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2.25 is the elevation of the plane before its decent

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3 years ago

George is throwing a party for his son's 9th birthday he orders for sandwiches to the party if each person will eat 2/3 of a san

ddd [48]

Answer:

George can feed 6 people.

Step-by-step explanation:

Given:

Number of sandwiches = 4

Each person eats two-third of a sandwich.

Therefore, number of persons eating 4 sandwich is given as:

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Therefore,

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3 years ago

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Valentin [98]

Answer:

Square Root of 384

Step-by-step explanation:

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3 years ago