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Citrus2011 [14]
3 years ago
10

A man invests a certain amount of money at 2% interest and $800 more than that amount in another account at 4% interest. At the

end of one year he earned $112 in interest. How much money was invested in each account? Which of the following equations could be used to solve the problem?
A) 0.02x + 0.04(800) = 112
B) 0.02x + 0.04(x + 800) = 112
C) 0.04x + 0.02(x + 800) = 112
Mathematics
2 answers:
rodikova [14]3 years ago
5 0
The correct answer is B
If you let x = amount invested at 2% (which is 0.02), then x + 800 = amount invested at 4% (which is 0.04).

Masteriza [31]3 years ago
4 0

The answer should be B or the second choice.

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n200080 [17]

Answer:3x+6=2x+21 base angle of isosceles triangle

3x-2x=21-6

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<J=3×15+6=51

<k=2×15+21=51

,<I=180-51-51=78

Step-by-step explanation:

7 0
3 years ago
Question 5
Vikentia [17]

The amount of sales (S) of statin in billions of dollars by 2017 is 34.5 billions

<h3>Linear equations</h3>

Linear equation are equation that has a leading degree of 1. Given the equation that represents Statins used to keep cholesterol in check and are a top-selling drug in the U.S.

S-1.5x = 6

where

S is the amount of sales

x is the number of years after 1998

By 2017, the total number of  years is 19 years

Substitute

S = 1.5x + 6

S = 1.5(19) + 6

S = 28.5 + 6

S = 34.5

The amount of sales (S) of statin in billions of dollars by 2017 is 34.5 billions

Learn more on linear equation here: brainly.com/question/14323743

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6 0
1 year ago
Construct a perpendicular bisector to AB.
monitta

Answer:

Take a fixed gap and draw 180 degree arc of equal size on each side.

The compass size should be the same for the whole process, be careful.

Make 90 degrees angle for both side and cross two arcs from each 90 degrees. The point thus obtained should be produced vertically towards the line AB. The point on the line segment is the line bisector.

6 0
3 years ago
Students were surveyed about the time they wake up on school mornings. The results are shown in the table.
sergij07 [2.7K]
3+13+4=20 500/20=25 25•4= 100 so 100 should be the answer
7 0
2 years ago
Read 2 more answers
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Art [367]

Answer:

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<_>

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()_()

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Step-by-step explanation:

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2 years ago
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