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kari74 [83]
2 years ago
9

Merle opened a new savings account she deposited 40,000 at 10% compounded semiannually at the start of the fourth year merle dep

osits an additional 20,000 that is also compounded semiannually at 10% at the end od six years the balance in merle account is
Mathematics
1 answer:
UNO [17]2 years ago
4 0

happy first question!!!!

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Glenn needs 20 minutes to clean his room. If his little sister Veronika pulls things out while he is cleaning, it takes 60 minut
Bogdan [553]

Answer:

It takes 30 minutes

Step By Step:

The rate of Glenn in finishing a job would be equivalent to:

Rate (G) = 1

job / 20 minutes

While the rate of Veronika is:

Rate (V) = 1

job / x---> x is the unknown

Where 1 job for Glenn means completely cleaning his room while 1 job for Veronika means pulling out everything. Therefore the equation to use would be:

1 / 20 – 1 /

x = 1 / 60

The rate of

Veronika is subtracted from the rate of Glenn since Veronika is slowing Glenn

down. Solving for x:

Multiply both

sides by 60 x

(1 / 20 – 1 /

x = 1 / 60) * 60 x

3 x – 60 = x

2 x = 60

x = 30

Therefore it

takes 30 minutes for Veronika to pull everything out.

3 0
3 years ago
8. The loudness of a sound depends on_____. A. The width of the wave B. The brightness of the wave C. The length of a sound wave
cupoosta [38]

Answer:

D

Step-by-step explanation:

loudness depends on the amplitude or height of the sound waves

5 0
2 years ago
Multiply 3/7 by the reciprocal of -3/14​
Alexandra [31]

Multiplying 3/7 by the reciprocal of -3/14,

\frac{3}{7} \times  \frac{14}{ - 3} \\  =  \frac{1}{1} \times  \frac{2}{ - 1} \\  =  \frac{2}{ - 1} \\  =  - 2

Hope it helps!!

7 0
2 years ago
|v|>3 solution to the inequality on the number line
Andrew [12]
On a number line, v would be all the numbers to the left of -3 (for example, |-4|=4 which is greater than 3) and all the values to the right of positive 3. Since it can't equal 3, v=-3 and v=3 are not included on the number line.
3 0
3 years ago
Macys is having a one day 36% off special. if Sara baught $123.50 worth of items what would the final bill be after applying the
astra-53 [7]

Answer:

$79.04

Step-by-step explanation:

First you have to figure out how much the discount would be.

123.50 X .36 = 44.46

Then all you have to is subtract that from the original cost

123.50 - 44.46 = 79. 04

7 0
2 years ago
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