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tester [92]
2 years ago
6

Please help!! There is a photo of my question

Mathematics
1 answer:
goldfiish [28.3K]2 years ago
6 0

Answer:

0.03A + 0.03B = 800

A + B = 20000

Step-by-step explanation:

Let one part A of the total money invested with 3% interest = $A

Therefore, other part B of the money invested with 5% interest = $B

Interest = Principal amount × Rate of interest × Duration of investment

If the duration is 1 year,

Interest = Principal amount × Rate of interest

Return on part A = A × 0.03

Return on part B = B × 0.05

Total return = $800

So the equations will be,

0.03A + 0.03B = 800 -------(1)

Since, total money invested = $20000

Equation will be,

A + B = 20000 -------(2)

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2 years ago
It takes 2.5 hours to fill the pool with 1,625 gallons or wate,
morpeh [17]

Answer:

650/per hour

Step-by-step explanation:

I got this answer by dividing 1,625 by the amount of hours it took to fill that much water, 2.5 so basically i divided 1,625/2.5 to get my answer.  

6 0
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What is the distance between points (3,2) and (6,4) to the nearest tenth?
vekshin1
Distance formula: √((y2-y1)^2+(x2-x1)^2)

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4 0
3 years ago
Find the zeroes of the quadratic polynomial 4x²-4x+1 and verify the relation between its zeroes and coefficients
FromTheMoon [43]

Answer:

A) zeros are x = ½ or x = ½

B) >> sum of zeros = (-Coefficient of x)/(Coefficient of x²)

>> Product of the zeros = Constant term/Coefficient of x²

Step-by-step explanation:

To find the zeros, we will equate the polynomial to zero.

Thus;

4x² - 4x + 1 = 0

Using quadratic equation, we can find the zeros.

x = [-(-4) ± √((-4)² - (4 × 4 × 1))]/(2 × 4)

x = (4 ± 0)/8

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sum of zeros = (-Coefficient of x)/(Coefficient of x²)

Product of zeros = ½ × ½ = ¼

c/a = 1/4

This is equal to the product of the zeros.

Thus;

Product of the zeros = Constant term/Coefficient of x²

6 0
2 years ago
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nignag [31]

Answer:

it's known as statistics

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mode - The mode is the number in a set of numbers which occurs the most. ...

median - The median of a group of numbers is the number in the middle, when the numbers are in order of magnitude.

Step-by-step explanation:

8 0
2 years ago
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