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MrRa [10]
3 years ago
15

*HELP PLEASE* How much money will Sarah have in her account if she deposits $2,700 and she invests in a simple interest savings

account with a 3.5% interests rate for 8 years
Mathematics
2 answers:
Yuri [45]3 years ago
7 0

Answer:

3456

Step-by-step explanation:

Rzqust [24]3 years ago
4 0

Answer:

$3456

Step-by-step explanation:

We are given;

  • Money deposited (principle) as $2,700
  • Rate of interest is 3.5%
  • Time is 8 years

We are required to determine the amount that will remain after 8 years

  • We first need to determine the interest earned after eight years using the simple interest formula.

Simple interest = (Principle × rate × interest periods) ÷ 100

Therefore;

Interest = ($2,700 × 3.5% × 8 yrs)÷ 100

            = $756

Then determine the amount after 8 years

Amount = Principle + Interest

Therefore;

Amount = $2700 + $756

             = $3,456

Therefore, the money in the account after 8 years is $3456

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(ED. 21) Analytic Geometry Unit Test..... #3 Which point is a solution of x2 + y2 > 49 and y ≤ –x2 – 4?
sdas [7]

Answer:

We want to find a solution of the system:

x^2 + y^2 > 49

y ≤ –x^2 – 4

Here we do not have any options, so let's try to find a general solution.

First, we can remember that the equation of a circle centered in the point (a, b) and of radius R is:

(x - a)^2 + (y - b)^2 = R^2

If we look at our first inequality, we can write it as:

x^2 + y^2 > 7^2

So the solutions of the first inequality are all the points that are outside (because the symbol used is >) of the circle of radius R = 7 centered in the origin.

From the other equation, we would get:

y ≤ –x^2 – 4

This is parabola, anything that is in the graph of the parabola or below will be a solution for this inequality.

Then the solutions of the system, are the ones that are in the region of solutions for both inequalities.

You can see the graph below, where both regions are graphed. The intersection of these regions is the region of the solutions for the system of inequalities:

by looking at the graph, we can see a lot of points that are solutions, like:

(0, -10)

(0, -15)

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8 0
3 years ago
Matthew made a scale model of the solar system for a science project. He created the planet Mercury with a diameter of 6 inches.
Ronch [10]

Answer:

3000

Step-by-step explanation:

I'm learning this right now too!

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6 0
2 years ago
Let u = (1,2), v = (−3,4), and w = (5,0)
sergij07 [2.7K]

Answer:

w-2u-v

Step-by-step explanation:

Given are three vectors u, v and w.

In R^2 we treat first element as x coordinate and 2nd element as y coordinate.

Thus we mark (1,2) in the I quadrant, (-3,4) in II quadrant and (5,0) on positive x axis 5 units form the origin.

b) w=au+bv

We have to find the values of a and b

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Equate the corresponding terms

5=a-3b\\0=2a+4b

Divide II equation by 2 to get

0=a+2b

Eliminate a

-5 = 5b: b=-1

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Hence

w = 2u-v

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Arada [10]
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