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HACTEHA [7]
3 years ago
15

On a certain day, Tim invested $1,000 at 10 percent annual interest, compounded annually, and Lana invested 2,000 at 5 percent a

nnual interest, compounded annually.The total amount of interest earned by Tim’s investment in the first 2 years was how much greater than the total amount of interest earned by Lana’s investment in the first 2 years?
A. $5
B. $15
C. $50
D. $100
E. $105
Mathematics
1 answer:
Zepler [3.9K]3 years ago
8 0

Answer:

A. $5

Step-by-step explanation:

Tim: 1000 x (1 + 0.10)² = 1210

Interest: 1210 - 1000 = 210

Lana: 2000 x (1 + 0.05)² = 2205

interest': 2205 - 2000 = 205

difference: 210 - 205 = 5

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2 years ago
One positive number is 5 times another number. The difference between the two numbers is 520, find the numbers.
alexandr1967 [171]

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104 and 624

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6 0
3 years ago
Does the ordered pair (−5,−5) satisfy the following system of equations?<br> {−3x−3y=125x+5y=−20
FrozenT [24]

Well, let's see. The problem gave you an ordered pair. In other words, you have an 'x' and a 'y' coordinate. All you need to do is put them into the equation.

Step-by-step explanation:

This means that instead of --

-3x - 3y = 125 + 5y = -20

We would have:

-3(-5)-3(-5) = 125(-5) + 5(-5) = -20

From here, you just simplify it into:

30 = -650 = -20

Since the values are not the same, the ANSWER is NO. The ordered pair does not satisfy the following system of equations.

3 0
3 years ago
Easy question for easy points
poizon [28]

Answer:

50 berries left over

Step-by-step explanation:

55 berries     1700 berries

--------------- = -------------------

1 jar                   x jars

Using cross products

55x = 1700*1

Divide each side by 55

55x/55 = 1700/55

x = 1700/55

Changing to a mixed number

55 goes into 1700 30 times

30 *55 =16501700-1650 = 50

x = 30 50/55 = 30 10/11

There are 50 berries left over

5 0
3 years ago
Read 2 more answers
9 ( x + 3 ) - (2x + 5) = *
Ivan

Answer:

////////////////////////////////////

=7x + 22

7 0
3 years ago
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