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Alex_Xolod [135]
3 years ago
15

Austin is going to invest in an account paying an interest rate of 2.2% compounded daily. How much would Austin need to invest,

to the nearest hundred dollars, for the value of the account to reach $27,000 in 6 years?
Mathematics
1 answer:
Korolek [52]3 years ago
5 0

Answer:

  $23,700

Step-by-step explanation:

The compound interest formula can be helpful for this. Fill in the given values and solve for the unknown.

  FV = P(1 +r/n)^(nt)

where r is the annual interest rate, n is the number of times interest is compounded in a year, t is the number of years, P is the amount invested, and  FV is the future value of that investment.

  $27,000 = P(1 +0.022/365)^(365·6) = 1.1411037P

  P ≈ $23,700

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Algebra 2 Math question Grade 11
Paha777 [63]

Answer:

\displaystyle y=\frac{4}{5}x+\frac{13}{5}

Step-by-step explanation:

The equation of the line in slope-intercept form is:

y=mx+b

Where m the slope of the line and b the y-intercept.

When two points are given, it's convenient to calculate the slope first.

Suppose we know the line passes through points A(x1,y1) and B(x2,y2). The slope can be calculated with the equation:

\displaystyle m=\frac{y_2-y_1}{x_2-x_1}

The points are (3,5) and (-2,1):

\displaystyle m=\frac{1-5}{-2-3}=\frac{4}{5}

The equation is now:

\displaystyle y=\frac{4}{5}x+b

To calculate b, we use any of the given points and solve for b. Use (3,5):

\displaystyle 5=\frac{4}{5}3+b

Operate:

\displaystyle 5=\frac{12}{5}+b

Solve:

\displaystyle b=5-\frac{12}{5}=\frac{13}{5}

The required equation of the line is:

\boxed{\displaystyle y=\frac{4}{5}x+\frac{13}{5}}

3 0
4 years ago
Convert the slope-intercept form linear equation, y = 2 - 3x/4 into standard form.
Olenka [21]

Answer:

3x + 4y = 8

Step-by-step explanation:

The equation of a line in standard form is

Ax + By = C  ( A is a positive integer and B, C are integers )

Given

y = 2 - \frac{3x}{4} ( multiply through by 4 to clear the fraction )

4y = 8 - 3x ( add 3x to both sides )

3x + 4y = 8 ← in standard form

4 0
3 years ago
It takes three identical water pumps 8 hours to fill a pool, What is the constant of variation?
BaLLatris [955]

Answer:

Constant of variation is 24.

Step-by-step explanation:

Inverse variation states that a relationship between two variables in which the product is remain constant.

If one variable increases then, the other one decreases in proportion so that the product is unchanged,

if y is inversely proportional to x i.e y \propto\frac{1}{x} or

y =\frac{k}{x} ;where k is the constant of variation.

It is given that 3 identical water pumps takes 8 hours to fill a pool,

since, it will take less time with  more pumps, so it is an inverse variation.

By definition of inverse variation;

time = \frac{k}{pump}

Substitute the values to solve for k;

8 = \frac{k}{3}

Multiply by 3 to both sides we get;

8 \times 3 = \frac{k}{3} \times 3

Simplify:

k = 24

Therefore, the constant of variation is, 24

3 0
3 years ago
Please help me I need this in like 10min
Gre4nikov [31]

Answer:

1. congreunt; reflection

2. not congruent

3. congruent; rotation & translation

4. 64 cm

5. 62 degrees

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the length of BC?
Marat540 [252]

Answer:

x = 22, The length of BC is 22

Step-by-step explanation:

It is shown that angle ACB and angle ABC are congruent (The measure of angles are the same) in the picture. Since the angles are congruent, we can say that AC = AB because of base angle theorem converse. We can then substitute the given numbers in for AC and AB. We would then get 2x - 24 = x - 2. If you solve, you would get that x = 22 (The length of BC is 22).

7 0
3 years ago
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