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3 years ago

List the first 5 multiples of 13

Mathematics

2 answers:

OverLord2011 [107]3 years ago

5 0

13,26,39,52,65. here you go)

leva [86]3 years ago

3 0

Answer: 0, 13, 26, 39, and 52

Step-by-step explanation: To find the first five multiples of 13, we multiply 13 by the first five whole numbers which are 0, 1, 2, 3, and 4.

Image provided.

Therefore, the first five multiples of 13 are 0, 13, 26, 39, and 52.

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ra1l [238]

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3 years ago

A long distance runner does a first lap around a track in exactly 50 seconds.As she tires.Each subsequent lap takes 20% longer t

madreJ [45]

Answer:

182 seconds

Step-by-step explanation:

Given:

Time taken for first lap is 50 seconds and each subsequent lap takes 20% longer than previous

Solution:

Time taken for first lap = 50 sec

For second lap

Each subsequent lap takes 20% longer than previous

Previous lap time = 50 sec

second lap = 50 + 20% of 50

second lap $=50+(\frac{20}{100}\times 50)$

second lap $= 50 + 10$

second lap $= 60\ sec$

For third lap

Each subsequent lap takes 20% longer than previous

Previous lap time = 60 sec

Third lap = 60 + 20% of 60

$Third\ lap = 60 + (\frac{20}{100}\times 60)$

$Third\ lap = 60+2\times 6$

$Third\ lap = 60+12$

$Third\ lap = 72\ sec$

Time taken for 3 laps is equal to sum of all three laps time.

$Tiem\ taken\ for\ 3\ lap = 50+60+72$

$Tiem\ taken\ for\ 3\ lap = 182\ sec$

Therefore, it takes 182 seconds (3 min, 2 seconds) to run three laps

6 0

3 years ago

Solve the equation √x-6 +2=6

Dovator [93]

Answer:

x = 22

Step-by-step explanation:

$\sqrt{x-6}$ + 2 = 6 ( subtract 2 from both sides )

$\sqrt{x-6}$ = 4 ( square both sides to clear the radical )

x - 6 = 4² = 16 ( add 6 to both sides )

x = 22

8 0

2 years ago

The average lateness for one of the top airline companies is 10 minutes. The variance of the lateness measure is calculated as 9

Soloha48 [4]

Answer:

The z score for the airplane arriving 13 minutes after arrival time is 0.33

Step-by-step explanation:

Using normal distribution,

The average lateness for one of the top airline companies is 10 minutes. So our mean, u = 10

The variance, s of the lateness measure is calculated as 9.

x =13 which stands for arrival time.

Using normal distribution,

z = (x - u)/s

z = (13 - 10)/9 = 3/9 = 0.33

The z score for the airplane arriving 13 minutes after arrival time is 0.33. The probability value of the z score can be found by looking at the Normal distribution table

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3 years ago

Helppp can u finish the problem plz show your work!!!!

sveticcg [70]

_
2.6
__
3/8.0
-6
-------
20
- 18
--------
2

_
answer: 2.6

4 0

3 years ago