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3 years ago

What is the definition of average velocity?

Mathematics

2 answers:

Dima020 [189]3 years ago

3 0

Step-by-step explanation:

is it's total displacement divided by the total time taken.

liberstina [14]3 years ago

3 0

The rate of change in position of a time interval

the slope of the best-fit line on a position-time graph

average velocity=displacement/time interval

no perfect "uniform motion": average velocity "smooths out" the changes

vector includes magnitude and direction

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A partial sum of an arithmetic sequence is given. Find the sum.

Nezavi [6.7K]

Answer:

72.3

Step-by-step explanation:

Given that:

The arithmetic sequence:

$\sum \limits ^{14}_{k=0} (3 + 0.26k)$

The first term of the sequence $a_0$ = 3 since k = 0

i.e (3 + 0.26(0)) = 3

The last term of the sequence $a_{14}$ = 6.64

i.e (3+ 0.26(14)

= (3 + 3.64)

= 6.64

Total no of terms = 15 i.e from 0 to 14

∴

The partial sum of the arithmetic sequence = $\dfrac{Total \ no \ of \ terms }{2} \times (a_o+a_{15})}$

$=\dfrac{15 }{2} \times (3+6.64)}$

= 72.3

3 0

3 years ago

Please help and explain

bagirrra123 [75]

Answer:

See below

Step-by-step explanation:

The three angles inside of the triangle sum to 180

11x + 4 + 3x + 78 = 180

14x +82 =180

x = 7

then B = 11x + 4 = 11(7) + 4 = 81 degrees

C = 3x = 21 degrees

5 0

2 years ago

Read 2 more answers

Choose the polynomial that is written in standard form.

Annette [7]

When written in standard form, you have to order each term from the highest degree to the lowest degree.

b. x^4y² + 4x²y + 8x is your answer.

hope this helps, God bless!

4 0

3 years ago

A container has 12 and 3/4 cups of lemonade .asher gives each of his classmates 7/8 of a cup of lemonade . He gives away all of

Agata [3.3K]

Asher gave lemonade to 14 students

<em><u>Solution:</u></em>

Given that, A container has 12 and $\frac{3}{4}$ cups of lemonade