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erik [133]
2 years ago
8

Joannie lent $200 to her sister. Four years later, her sister repaid her in full with $228. What simple annual interest rate did

Joannie's sister pay?
A 3.0
B. 3.5
C.4.0
D.4.5

pls hurry im timed
Mathematics
1 answer:
aleksley [76]2 years ago
7 0
The Answer: is B) 3.5

Explanation:
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alberto knows that all the lines and rays are congruent to each other . he reasons that all segments must therefore be congruent
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Answer:

Step-by-step explanation:

Alberto is correct in reasoning that all lines and rays are congruent to each other but incorrect in his reasoning about the line segments.

Line segments are equal in measure only when they are equal in length. They can have any orientation on a plane.

Since, AB = 3 units

CD = 4 units

Therefore, AB ≠ CD

Error in AB ≅ CD

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3 years ago
Leslie is a biologist. She is going to randomly select one animal from her lab to study. There are 5 salamanders, 3 crayfish, an
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Step-by-step explanation:

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3 years ago
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A circle has a radius of 9 cm.
stira [4]

Radius = 9cm

So,

Area of circle = πr²

= π(9)²

= π × 81 cm²

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2 years ago
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Austin has 125% more books than his younger sister. If his sister has 24 books, how many books does he have? Write your proporti
Julli [10]

Answer:

30 books

Step-by-step explanation:

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Maya is solving the quadratic equation by completing the square.
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Step-by-step explanation:

factor 4 out of the variable terms, as this helps.

but my approach is simply to define the target and then calculate "backwards".

we want to find

(ax + b)² = a²x² + 2abx + b²

and now we compare with the original equation :

a²x² = 4x²

a² = 4

a = 2

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2×2×bx = 16x

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b² = 16, but we have only 3, so we need to subtract 16-3 = 13 from the completed square.

so, our equation is

(2x + 4)² - 13 = 0

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2x + 4 = sqrt(13)

2x = sqrt(13) - 4

x = sqrt(13)/2 - 2

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1 year ago
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