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aliya0001 [1]
2 years ago
9

Write the sum using summation notation 729 + 1000 + 1331 + 1728 + ... + n^3

Mathematics
1 answer:
Veronika [31]2 years ago
6 0
\displaystyle
\sum_{i=9}^n n^3
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What postulate can be used to prove the triangles are congruent?
Komok [63]
The HL Postulate

You know that the two hypotenuses are congruent and that the two triangles each contain a shared segment in the middle (so by the reflexive property they are congruent). You have two congruent hypotenuses and two congruent legs, so you can conclude congruency by HL.

If you found this helpful, please make this the brainliest answer! :)


3 0
3 years ago
Help Math All the Points i have
d1i1m1o1n [39]
Hey there!
We'll be writing them in slope-intercept form. Slope intercept form is defined as:
y = mx + b
With m being the slope and b as the y-intercept. Now, we can just plug them in.

1)
y = -3x - 2
Slope = -3
Y intercept = -2

2) y = 5x + 7
Slope = 5
Y intercept = 7

3) y = -3/4x + 3
Slope = -3/4
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4) y = 5/2x - 6
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5 0
2 years ago
G G 2x+4y=12 <br>Please explain it to me ​
jek_recluse [69]

Answer:

2×4=8 + 4 = 12 y stands firm you do the y part 2 times

4 0
2 years ago
help me please !! find the domain and range of the function represented by the graph. determine wether the domain is discrete or
katrin [286]

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5 0
2 years ago
Find the mean and median of these data: 2, 5, 13, 15, 19, 21.
Maru [420]

The Arithmetic Mean and Median of the given set of data ( 2, 5, 13, 15, 19, 21 ) are 12.5 and 14 respectively.

<h3>What is Arithmetic mean?</h3>

Arithmetic mean is simply the average of a given set numbers. It is determined by dividing the sum of a given set number by their number of appearance.

Mean = Sum total of the number ÷ n

Where n is number of numbers

Median is the middle number in the data set.

Given the sets;

  • 2, 5, 13, 15, 19, 21
  • n = 6

Mean = Sum total of the number ÷ n

Mean = (2 + 5 + 13 + 15 + 19 + 21) ÷ 6

Mean = 75 ÷ 6

Mean = 12.5

Median is the middle number in the data set.

Median = ( 13 + 15 ) ÷ 2

Median = 14

Therefore, the Arithmetic Mean and Median of the given set of data ( 2, 5, 13, 15, 19, 21 ) are 12.5 and 14 respectively.

Learn more about arithmetic mean here: brainly.com/question/13000783

#SPJ1

3 0
1 year ago
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