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shusha [124]
3 years ago
10

A woman has a total of $ 13 , 000 to invest. She invests part of the money in an account that pays 10 % per year and the rest in

an account that pays 11 % per year. If the interest earned in the first year is $ 1340 , how much did she invest in each account?
Mathematics
1 answer:
spayn [35]3 years ago
5 0

Answer:

5678

Step-by-step explanation:

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I need help with this
Debora [2.8K]
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Simplify the following expression into the form a + bi, where a and b are rational numbers.
vagabundo [1.1K]
The answer is -16 - 10i.

Using the distributive property on the first part, we have:
-2i*7--2i*4i + (3+i)(-2+2i)
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Using FOIL on the last part,
-14i+8i²+(3*-2+3*2i+i*-2+i*2i)
-14i+8i²-6+6i-2i+2i²
-10i+8i²-6+2i²

Since we know that i = -1,
-10i+8(-1)-6+2(-1)
-10i-8-6-2
-16-10i
7 0
3 years ago
Read 2 more answers
What is the vertex of a parabola having the equation y = –2(x – 5)2 + 7? Which direction does the parabola open?
Vika [28.1K]

y = -2(x-5)^2 + 7

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Answer: Vertex (5,7)

The negative <em>a</em> tells us this is a downward opening parabola (upside down from the usual y=x^2. I remember CUP - Concave Up Positive; here <em>a </em>is negative so not a cup, instead concave <em>down.</em> The same rule applies to second derivatives in calculus so memorize it now and use it later.

Answer: downward

7 0
3 years ago
Mr. Lopez picks up 2 pallets of dog food to deliver to the animal shelter. Each pallet contains 80 bags of dog food, and the dog
LiRa [457]

Answer:

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Step-by-step explanation:

7 0
3 years ago
She spent 1/4 of her money on a shirt and 2/5 on shoes. What fraction of money has been spent
likoan [24]
1/4 = 5/20
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8/20 + 5/20 = 13/20 has been spent
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3 years ago
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