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Elodia [21]
2 years ago
11

The balance of Aiko's average balance checking account at the beginning of last cycle was $100, and the only transaction for the

cycle was a check that Aiko wrote for $50, which cleared exactly halfway through the cycle. On what amount did Aiko's checking account pay interest last cycle?
Mathematics
2 answers:
Gnoma [55]2 years ago
8 0

Answer:

$75

Step-by-step explanation:

We are given that The balance of Aiko's average balance checking account at the beginning of last cycle was $100.

The only transaction for the cycle was a check that Aiko wrote for $50, which cleared exactly halfway through the cycle.

Now we assume 30 days per month

So, the  balance was 100 for 15 days  and 50 for 15 days.

So, average daily balance : \frac{100\times 15+50\times 15}{30}

                                              75

Hence Aiko's checking account pay interest last cycle is $75.

viva [34]2 years ago
5 0
It's $75 dollars hope i helped you
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A hot air balloon went from an elevation of 4,064 feet to an elevation of 3,322 feet in 28 minutes. What
ELEN [110]

Answer:

<em>The air balloon descends 26.5 feet per minute</em>

Step-by-step explanation:

<u>Rate of Change</u>

The rate of change is a measure that compares two quantities, usually to know how one variable changes in time.

The hot air balloon was 4,064 feet high and, 28 minutes later, it went to 3,322 feet. We can calculate the rate of descent R by dividing the change of elevation over time:

\displaystyle R=\frac{3,322-4,064}{28}=\frac{-742}{28}=-26.5

Thus the air balloon descends 26.5 feet per minute

3 0
3 years ago
Plss help me TT
Marina CMI [18]

a. There are 0 or 2 real positive roots for the equation and

b. There are 0 or 2 real negative roots for the equation.

<h3>What is the Descartes'rule of sign?</h3>

Descartes' rule of sign states that

  • The number of real positive zero of a polynomial f(x) is the number of sign changes of the coefficients of f(x) or an even number less than the number of sign changes of the coefficients of f(x)
  • The number of real negative zero of a polynomial f(x) is the number of sign changes of the coefficients of f(-x) or an even number less than the number of sign changes of the coefficients of f(-x)

<h3>How to find the number of possible positive and negative roots are there for the equation?</h3>

Given the equation 0 = −8x¹⁰ − 2x⁷ + 8x⁴ − 4x² − 1, writing it as a polynomial function, we have f(x) = −8x¹⁰ − 2x⁷ + 8x⁴ − 4x² − 1

<h3>a. The number of positive roots</h3>

So, to find the number of positive roots, we find the number of sign changes of the polynomial f(x).

So, f(x) = −8x¹⁰ − 2x⁷ + 8x⁴ − 4x² − 1

Since f(x) has coefficients -8, -2, + 8, -4, -1, there are two sign changes from -2 to + 8 and from + 8 to -4.

So, there are 2 or 2 - 2 = 0 real positive roots.

So, there are 0 or 2 real positive roots for the equation.

<h3>b. The number of negative roots</h3>

So, to find the number of negative roots, we find the number of sign changes of the polynomial f(-x).

So, f(-x) = −8(-x)¹⁰ − 2(-x)⁷ + 8(-x)⁴ − 4(-x)² − 1

= −8x¹⁰ + 2x⁷ + 8x⁴ − 4x² − 1

Since f(x) has coefficients -8, +2, + 8, -4, -1, there are two sign changes from -8 to + 2 and from + 8 to -4.

So, there are 2 or 2 - 2 = 0 real negative roots.

So, there are 0 or 2 real negative roots for the equation.

So,

  • There are 0 or 2 real positive roots for the equation and
  • There are 0 or 2 real negative roots for the equation.

Learn more about Descartes' rule of sign here:

brainly.com/question/28487633

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8 0
1 year ago
Determine whether 96 is divisible by 3
aleksandr82 [10.1K]
96 divided by 3 is 32
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Is this what you were looking for?
7 0
3 years ago
Read 2 more answers
Help me please thanks
mars1129 [50]

Answer:

x  <  − 5

The notation would be ( − ∞ ,  − 5 )

On the graph, you would put an open dot on -5 and an arrow continuing down it

7 0
3 years ago
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Mazyrski [523]
First find the area of the parallelogram


Area of parallelogram = b x h
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Then find area of kite

Area of kite = (xy)/2
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Now we are gonna subtract the area of the kite from the area of the parallelogram.

84 - 42 = 42

Therefore the area of the shaded region is 42.
7 0
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