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svlad2 [7]
3 years ago
8

Helen Weller invested 10,000 in an account that pays 3% simple interest. how much additional money must be invested in an accoun

t that pays 6% simple interest so that the average return on the two investments amounts to 4%? show work plz
Mathematics
1 answer:
Naddika [18.5K]3 years ago
4 0

Answer:

3% is 300 in intrest

6% is 600 in intrest

4% is 400 in intrest

Step-by-step explanation:

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Factor Trinomials:
notka56 [123]

Answer:

1. 2(x+2)(x+5)

2. 8(x+4)^{2}

Step-by-step explanation:

<u>Problem #1:</u>

1. Find the GCF (Greatest Common Factor)

GCF = 2

2. Factor out the GCF and simplify.

2(x^{2} +7x+10)

3. Factor x^{2} +7x+10

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2 and 5

<u>Rewrite the expression using the above.</u>

(x+2)(x+5)

4. Done!

2(x+2)(x+5)

<u>Problem #2:</u>

1. Find the GCF (Greatest Common Factor)

GCF=8

2. Factor out the GCF and simplify.

8(x^{2} +8x+16)

3. Use the perfect square formula. a^{2} +2ab+b^{2} =(a+b)^{2}

a = x\\b=4

(x+4)^{2}

4. Done!

8(x+4)^{2}

8 0
2 years ago
What would be the value of X
Alex_Xolod [135]
To find the value of x, you need to set up a proportion.This is the proportion you would set up:

2.5                    x
----       =        ------
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x=40
7 0
3 years ago
Read 2 more answers
Brainly do ur magic pls.?
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1. 3y

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3. y+7

adding 7 to y, self-explanatory

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same thing as #1

5. \frac{y}{8}

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8 0
3 years ago
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