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lara [203]
3 years ago
11

A mother wants to invest $6000 for her children's education. She invests a portion of the money in a bank certificate of deposit

(CD account) which earns 4% and the remainder in a savings bond that earns 7%. If the total interest earned after one year is $360, how much money was invested at each rate?
Mathematics
1 answer:
faltersainse [42]3 years ago
6 0
0.04x+0.07(6000-x)=360
0.04x+420-0.07x=360
0.04x-0.07x=360-420
−0.03x=−60
X=60/0.03=2,000 at 4%
6000-2000=4000 at 7%

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Answer:

The GCF for the numerical part is 2

Step-by-step explanation:

6x^2y^2-8xy^2+10xy

It contains both numbers and variables, there are two steps to find the GCF(HCF).

1). Find the GCF for the numerical part 6, -8,10

2). Find the GCF for the variable part x^2,y^2,x^1,y^2,x^1,y^3

3).Multiply the values together.

Find the common factors for the numerical part:

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Factors of 10

10:1,2,5,10

Common factors of 6,-8, 10 are 1,2

The GCF Numerical=2

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Multiply the GCF of the numerical part 2 and the GCF of the variable part xy^2, and you'll get 2xy^2

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2 years ago
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Step-by-step explanation:

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<h3>Which inequality best shows all possible values of m?</h3>

It follows from the task content that the variable in discuss, m is described as less than 9.

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Read more on inequalities;

brainly.com/question/25275758

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