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3 years ago

Pat deposited $2000,at 6% simple intrest. how long will it be before she has $2600 in her account?

1 answer:

5 0

Simple interest=PRT P=principal(initial amount) R=interest rate T=time(in years)
she wants 2600 in her account so 2600-2000=600 dollars in interest so

600=2000*.06*T
600=120T 600/120=5 so in 5 years her account balance will be $2600

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irga5000 [103]

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3 0

3 years ago

Abigail has a bag that contains pineapple chews, lemon chews, and watermelon

musickatia [10]

Answer:

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2 years ago

Write a polynomial function of minimum degree in standard form with real coefficients whose zeros and their multiplicities inclu

Softa [21]

Answer-

The polynomial function is,

$y=x^4-10x^3+38x^2-64x+40$

Solution-

The zeros of the polynomial are 2 and (3+i). Root 2 has multiplicity of 2 and (3+i) has multiplicity of 1

The general form of the equation will be,

$\Rightarrow y=(x-(2))^2(x-(3+i))(x-(3-i))$ ( ∵ (3-i) is the conjugate of (3+i) )

$\Rightarrow y=(x-2)^2(x-3-i)(x-3+i)$

$\Rightarrow y=(x^2-4x+4)((x-3)-i)((x-3)+i)$

$\Rightarrow y=(x^2-4x+4)((x-3)^2-i^2)$

$\Rightarrow y=(x^2-4x+4)((x^2-6x+9)+1)$

$\Rightarrow y=(x^2-4x+4)(x^2-6x+10)$

$\Rightarrow y=x^2x^2-6x^2x+10x^2-4x^2x+4\cdot \:6xx-4\cdot \:10x+4x^2-4\cdot \:6x+4\cdot \:10$

$\Rightarrow y=x^4-10x^3+14x^2+24x^2-40x-24x+40$

$\Rightarrow y=x^4-10x^3+38x^2-64x+40$

Therefore, this is the required polynomial function.

4 0

3 years ago

24% of what number 30

kenny6666 [7]

Answer:

125

Step-by-step explanation:

30*.24=125

4 0

3 years ago

What is the number in the middle of -7 and 6

Anon25 [30]

Answer:

-0.5

Step-by-step explanation:

Use the average formula:

Sum of all numbers/Number of items

6 + (-7) / 2

= -1/2

So, the number in the middle of -7 and 6 is -0.5

6 0

3 years ago

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