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noname [10]
3 years ago
10

Answer Both Questions

Mathematics
1 answer:
labwork [276]3 years ago
4 0

Answer:is the first answer 15.875 and the second answer 17 x 28 ÷5

Step-by-step explanation:

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If the circle above is dilated using a scale factor of 5, what will be the radius of the resulting circle?
ladessa [460]
The circle radius will be 2 1/2
4 0
3 years ago
(- 6x + 7) + (2x - 6) = - 4x + 1
inna [77]

Answer:

Step-by-step explanation:

-4x + 1 = -4x + 1

1 = 1

infinitely many solutions

7 0
3 years ago
автобус прошел 220 км за 27/7 часа.Сколько километров пройдет автобус за 54/7часа с той же скоростью?
egoroff_w [7]

Отвечать:

440 км

Пошаговое объяснение:

Учитывая, что :

Пройденное расстояние за 27/7 часов = 220 км

Расстояние, которое необходимо преодолеть за 54/7 часов, составит x

Следовательно, мы можем настроить перекрестное умножение:

27/7 = 220

54/7 = х

Крест умножить

27/7 х = 220 * 54/7

27x / 7 = 11880/7

3.8571428x = 1697.1428

х = 1697,1428 / 3,8571428

х = 439,99999

x = 440 км

Таким образом, за 54/7 часов будет преодолено расстояние 440 км.

4 0
3 years ago
HELP ME OUT PLS!!!!! <br><br>Solve for x. <br><br>A) -30<br><br>B) -6<br><br>C) 6<br><br>D) 30​
Dvinal [7]

Step-by-step explanation:

-3x + 6 = 2x - 24

6 = 5x - 24

30 = 5x

x = 6

4 0
3 years ago
You have purchased a mobile home for $20,000 which depreciates at 10% per year.
iragen [17]

Answer:

  C.  Three

Step-by-step explanation:

We want to solve the equation for n:

  14,580 = 20,000(9/10)^n

  14580/20000 = 729/1000 = (9/10)^n

  (9/10)^3 = (9/10)^n . . . . . . write the left side as a cube

  3 = n . . . . . . equate exponents

After year 3, the value will be $14,580.

_____

You can use logarithms to find n:

  log(0.729) = n×log(0.9) . . . . . . taking the log of the 2nd line above

  log(0.729)/log(0.9) = n = 3

8 0
3 years ago
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