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Crazy boy [7]
3 years ago
7

What is 5 less than the product of 5 and a number is 22 written out in an equation?

Mathematics
1 answer:
masha68 [24]3 years ago
6 0
5y - 5= 22
or
5(y)-5=22

Hope that helps!


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Timothy purchased a computer for $1,000.
scoundrel [369]

Answer:

This situation represents [a.) exponential decay

The rate of growth or decay, r, is equal to  c.) 0.2

So the value of the computer each year is g.) 80% of the value in the previous year.

It will take [i.) 3 years for the value of the computer to reach $512.

Step-by-step explanation:

Since the value depreciates each year, it represents exponential decay.

The rate of growth or decay, r, is equal to

Depreciates 20%, so r = 0.2.

So the value of the computer each year is ... of the value in the previous year,

Depreciates 20%, so it is 100% - 20% = 80% of the value in the previous year.

It will take x years for the value of the computer to reach $512.

The value of the computer after x years is given by:

V(x) = V(0)(1-r)^x

In which V(0) is the initial value and r is the decay rate. So

V(x) = 1000(1-0.2)^x

V(x) = 1000(0.8)^x

We want to find x for which V(x) = 512. So

V(x) = 1000(0.8)^x

512 = 1000(0.8)^x

(0.8)^x = \frac{512}{1000}

(0.8)^x = (0.512)

Applying log to both sides:

\log{(0.8)^x} = \log{(0.512)}

x\log{0.8} = \log{(0.512)}

x = \frac{\log{0.512}}{\log{0.8}}

x = 3

So it will take 3 years.

6 0
3 years ago
Un paese contava 12000 abitanti all'inizio del 2007 durante l'anno i nati sono 1,7 % del totale degli abitanti e morti sono 2% c
grandymaker [24]

Step-by-step explanation:

12000 abitanti all'inizio del 2007

nati: 1.7% × 12000 = 204

morti: 2% × 12000 = 240

popolazione all'inizio del 2008: 12000 + 204 - 240 = 11964

6 0
2 years ago
Last year, nine employees of an electronics company retired. Their ages at retirement are listed below.
GuDViN [60]

Answer:

58.0

Step-by-step explanation:

Given the data:

56 65 62 53 68 58 65 52 56

Reorderd data: 52, 53, 56, 56, 58, 62, 65, 65, 68

Median = 1/2(n + 1) th term

n = sample size = 9

Hence,

Median = 1/2(9 + 1)th term

Median = 1/2(10)th term

Median = 5th term

5th term in the reordered data = 58

Hence, median age is 58

7 0
3 years ago
Lauren has 43 flowers she has 16 fewer flowers than gabriel how many flower does gabriel have
WARRIOR [948]

Answer:

Step-by-step explanation:

Gabrielhs 59 flowers because 43 + 16= 59.

7 0
3 years ago
Read 2 more answers
If 55% people in a city like Cricket, 30% like Football and the remaining like nother games, then what per cent of the people li
labwork [276]

\large{\dag\:{\underline{\underline{\frak{\pmb{\red{Answer:-}}}}}}}

  • Cricket = 55%
  • Football = 30%
  • Other games = Remaining (?)

So, the percent of people who like <u>other games</u> equals:

= 100 – (55 + 30)

= 100 – 85

= 15%

<u>If </u><u>the </u><u>total </u><u>no.</u><u> </u><u>of.</u><u> </u><u>people</u><u> </u><u>is </u><u>6</u><u>0</u><u>,</u><u>0</u><u>0</u><u>,</u><u>0</u><u>0</u><u>0</u>:

★ Cricket

= 60,00,000 × 55/100

= 33,00,000

★ Football

= 60,00,000 × 30/100

= 18,00,000

★ Other sports

= 60,00,000 × 15/100

= 9,00,000

6 0
3 years ago
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