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zheka24 [161]
3 years ago
15

Lincoln invested $15,000 in an account paying an interest rate of 3\tfrac{1}{2}3 2 1 ​ % compounded continuously. Harper investe

d $15,000 in an account paying an interest rate of 4\tfrac{1}{8}4 8 1 ​ % compounded daily. To the nearest dollar, how much money would Harper have in her account when Lincoln's money has tripled in value?
Mathematics
1 answer:
wolverine [178]3 years ago
3 0

Answer:

54750

Step-by-step explanation:

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Yuliya22 [10]
The other size is 10 too and there will be enough spaces with 1 foot left!!!! :)
4 0
3 years ago
Write a quadratic equation with the given roots. Write the equation in the form of ax^2+bx+c=0 where a b and c are integers
Bas_tet [7]

You haven't provided the required roots, but I can tell you how to do this kind of exercises in general.

If the x^2 coefficient is 1, i.e. the equation is written like x^2+bx+c=0, then you can say the following about the coefficients b and c:

  • b is the opposite of the sum of the roots
  • c is the multiplication of the roots.

So, for example, if we want an equation whose roots are 4 and -2, we have:

  • 4+(-2) = 4-2 = 2 \implies b = -2
  • 4 \cdot (-2) = -8 \implies c = -8

So, the equation is x^2-2x-8=0

If your roots are rational, you can work like this: suppose you want an equation with roots 3/4 and 1/2. You have:

  • \dfrac{3}{4}+\dfrac{1}{2} = \dfrac{3}{4}+\dfrac{2}{4} = \dfrac{5}{4} \implies b = -\dfrac{5}{4}
  • \dfrac{3}{4} \cdot \dfrac{1}{2} = \dfrac{3}{8} \implies c = \dfrac{3}{8}

And so the equation is

x^2 - \dfrac{5}{4} + \dfrac{3}{8} = 0

In order to have integer coefficients, you can multiply both sides of the equation by 8:

8x^2 - 10 + 3 = 0

5 0
3 years ago
How many 12th are in 3 and describe situation
Mashutka [201]

Answer:

1) 36

2) My mom was trying to quiz me and she told me to pick a fraction and a number. I picked 1/12 and 3, she then told me to figure out how many 12ths there are in 3 which I found was 36.

Step-by-step explanation:

3 * 12 = 36

6 0
3 years ago
Which expression is equivalent to –4(5x – 9) + 6(2x + 5)?
aleksklad [387]

Answer:

B

(-20x + 36)+(12x+30)

-8x+66

7 0
3 years ago
What is the perimeter of the rectangle?
Sholpan [36]

Answer:

32

Step-by-step explanation:

P=2(l+w)

so 2(11+5)=P

2(11+5)=32

7 0
3 years ago
Read 2 more answers
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