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ahrayia [7]
3 years ago
11

142 cases. If the daily growth rate is 6.4%, how many days will it take for the number of cases to double

Mathematics
1 answer:
Korolek [52]3 years ago
4 0

Answer:

22.1875  (23 full days)

Step-by-step explanation:

142 * 2 = 284

284 / 6.4 = 44.375

44.375 / 2 = 22.1875

23 full days to get the rate to double

i hope i did this correctly

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Solve system of equation using elimination by addition.<br><br> Will give brainliest!!
Rainbow [258]

Answer:

x = 6

Step-by-step explanation:

Add the system of equations together:
2x - 3y = 12

4x + 3y = 24

you get

6x = 36

divide by the coefficient

6x/6 = 1

36/6 = 6

x = 6

Not sure if you need the y, but if so, let me know!

Hope this helps!

3 0
2 years ago
Pls help me guys!<br> Thanks :D I'm really stuck
Katarina [22]
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5 0
3 years ago
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Help, please (single variable calculus)
balandron [24]

Hi there!

\large\boxed{ 14.875}

Our interval is from 0 to 3, with 6 intervals. Thus:

3 ÷ 6 = 0.5, which is our width for each rectangle.

Since n = 6 and we are doing a right-riemann sum, the points we will be plugging in are:

0.5, 1, 1.5, 2, 2.5, 3

Evaluate:

(0.5 · f(0.5)) + (0.5 · f(1)) + (0.5 · f(1.5)) + (0.5 · f(2)) + (0.5 · f(2.5)) + (0.5 · f(3)) =

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7 0
3 years ago
Tori took out A $350,000 loan in order to purchase a house. She has to pay an interest of 5.2% over 35 years. how much interest
Dmitrij [34]

Hello from MrBillDoesMath!


Answer:

Interest paid = $ 1,713,568.73

Monthly p[payment = $4913.25


Discussion:

From the "compound interest formula:

A = final amount

P = Initial amount (Principal)

r = yearly interest rate

n = number of years of accumulation.


In our case,

A = 350000( 1 + .052)^35 =

      350000 (5.90)  =                  (approx)

      $2,063,568.73

Interest =  $2,063,568.73 - 350000 =  $ 1,713,568.73


There are 35 *12 = 420 months in 35 years. So the monthly payment would be   ($2,063,568.73 / 420)  = $4913.25



Thank you,

MrB

5 0
3 years ago
How many significant figures are in 0.0624000?
Dafna11 [192]

Answer:

Use notes and youll get an answer

Step-by-step explanation:

4 0
3 years ago
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