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natulia [17]
3 years ago
9

Please help me to answer this question.

Mathematics
1 answer:
12345 [234]3 years ago
5 0

Answer:

  456,976,000

Step-by-step explanation:

The total number of possibilities is the product of the number of possibilities in each of the character positions:

  10 · 10 · 10 · 26 · 26 · 26 · 26

  = 10^3 · 26^4 = 456,976,000

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Write an equation to find the total number of hours h the instructor exercises in any number of weeks w
shusha [124]
Have a pic of the problem?
3 0
2 years ago
In 1950 the number of retirees was approximately 150 per thousand people aged 20-64. In 1990 this number rose to approximately 2
serg [7]

Answer: 233 people per thousand

Step-by-step explanation:

Using extrapolation method,

if 150/k in 1950,

  200/k in 1990,

  275/k in 2020,

2003 lies in between 1990 and 2020. So, you extrapolate the values of 200/k and 275/k for the years respectively.

Therefore,  

(2003 - 1990)/(2020 - 2003) = (x - 200)/(275 - x)

Where x is the number of retirees per thousand for 2003

Making x the subject of relation in the above equation.

Cross multiply the equation above;

(2003 - 1990)(275-x) = (2020 - 2003)(x - 200)

13(275 - x) = 17(x-200)

3575 - 13x = 17x - 3400

Collect the like terms

3575+3400 = 17x + 13x

30x = 6975

x = 6975/30

x = 232.5

x = 233 people per thousand to the nearest integer

6 0
3 years ago
Write an equation of the line passing through the points ( -5, -25 ),(0,0), and( 3,15)?
Akimi4 [234]

Answer:

Y=5X because the slope is 5 and the Y-intercept is 0

6 0
2 years ago
The weight of a nickel is 80% of a quarter. If a nickel weighs 5 grams how much does a quarter weigh?
muminat

Answer:

Weight of a quarter  = 6.25 grams

Weight of a dime  = 2.5 grams

Step-by-step explanation:

The weight of a nickel is  80%

The weight of a quarter  or the weight of a nickel is 5 grams or weight of a quarter =50.8 = 6.25 grams

Weight of a dime = 50% = 12 (weight of nickel) = 52 = 2.5 grams

8 0
3 years ago
Jireh flew his crop duster from the ground to an altitude of 3,500 feet. He continued to fly at that height for 20 minutes until
exis [7]

Answer: Jireh flew his crop duster from the ground to an altitude of 3,500 feet.

Step-by-step explanation:

That is an example of an increasing interval.

7 0
2 years ago
Read 2 more answers
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