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liberstina [14]
2 years ago
5

Marsha deposited 10,000​$ into a savings account 3 years ago. The simple interest rate is ​2%. How much money did she earn in​ i

nterest? What would be her new account​ balance?
Mathematics
1 answer:
jeka942 years ago
6 0

Answer:

$600

Step-by-step explanation:

Given data

Principal= $10000

Time = 3 years

Rate= 2%

The simple interest formula is expressed as

SI= PRT/100

substitute

SI= 10000*2*3/100

SI= 60000/100

SI= 600

Hence he will earn $600 in interest

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NISA [10]

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the answer is the 2nd, 3rd, and 4th ones

Step-by-step explanation:

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3 years ago
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How do you find what x equals step by step?
Zielflug [23.3K]

Answer:

x=7.

If you need more explanation I can help, just ask

4 0
3 years ago
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A system for tracking ships indicated that a ship lies on a hyperbolic path described by 5x2 - y2 = 20. the process is repeated
malfutka [58]
Answer:
The ship is located at (3,5)

Explanation:
In the first test, the equation of the position was:
5x² - y² = 20 ...........> equation I
In the second test, the equation of the position was:
y² - 2x² = 7 ..............> equation II
This equation can be rewritten as:
y² = 2x² + 7 ............> equation III

Since the ship did not move in the duration between the two tests, therefore, the position of the ship is the same in the two tests which means that:
equation I = equation II

To get the position of the ship, we will simply need to solve equation I and equation II simultaneously and get their solution.

Substitute with equation III in equation I to solve for x as follows:
5x²-y² = 20
5x² - (2x²+7) = 20
5x² - 2y² - 7 = 20
3x² = 27
x² = 9
x = <span>± </span>√9

We are given that the ship lies in the first quadrant. This means that both its x and y coordinates are positive. This means that:
x = √9 = 3

Substitute with x in equation III to get y as follows:
y² = 2x² + 7
y² = 2(3)² + 7
y = 18 + 7
y = 25
y = +√25
y = 5

Based on the above, the position of the ship is (3,5).

Hope this helps :)
7 0
3 years ago
Find 5 rational numbers between 1 and 2​
Contact [7]

Answer:

they are 11/10, 12/10 ,13/10, 14/10, 15/10

8 0
3 years ago
The bill for a meal at a restaurant before tax is $84.00. the sales tax rate is 7% and you want to leave a 20% tip based on the
Strike441 [17]
The pree tax amount count as 100%, then there's the 7% tax and lastly the 20% tip. therefore, one would pay (100+20+7)% of $84.00.
127% of $84.00
(127/100) * $84.00 = $106.68
4 0
3 years ago
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