Ernie deposited $4000 between two savings accounts. One account paid 4% simple interest and the other paid 2%. At the end of one year, Ernie had earned $140 in interest for both accounts. How much money did Ernie deposit in the account that paid 4% interest?A) $2000
B) $2500
C) $2800
D) $3000

Answers

Answer 1

Answer: D) 3000
4000
-140
=3000

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How can x + 8 = -x + 7 be set up as a system of equations? y = x + 8 y = -x + 7 y = x + 8 y = -3x + 7 y = x + 5 y = -2x + 11 y = 8 y = -3x + 7

3±i write the quadratic equation with the given roots

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By null factor Law factorised eqn=
(x-3+i)(x-3-i)
x^2-6x+10

Find the distance between the two points. (-1, 6), (2, 8) Round to the nearest hundredth

Answers

The distance between points (-1, 6) and (2, 8) is obtained as 3.59 units.

How to use distance formula?

The distance formula is used to find the distance between two points (x₁, y₁) and (x₂, y₂) as √((x₁ - x₂)² + (y₁ - y₂)²).

By knowing the sides, the area of different polygons such as parallelogram, trapezium and rectangles etc. can be found.

The coordinates of the given points are (-1, 6) and (2, 8).

Apply distance formula to get the distance as below,

Distance = √((-1 - 2)² + (6 - 8)²) = √13 = 3.59

Hence, the required distance between the two points is given as 3.59 units.

To know more about distance formula click on,

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Answer:

$d = √(13)$ or d = 3.61

Step-by-step explanation:

$d= √((x_2-x_1)^2+(y_2-y_1)^2)\nd= √((2-(-1))^2+(8-6)^2)\nd= √((3)^2+(2)^2)\nd= √(9+4)\nd= √(13)$

Rewrite .065555555....as a fraction

Answers

Answer:13111111/200000000

Make r the subject of the formula: V=pier^2h

Answers

If you mean π. Then, all that will be ;
V=πr²h
First of all, you have to divide the both the sides by πh. You have to do this because the relationship between r and those two characters is multiplication. The opposite of multiplication is division. Anyway;
V/πh=πr²h/πh
V/πh=r²
Next you have to take the square root of both sides. This is done to cancel the square. Anyway;
√V/πh=√r²
The square root cancels the ². Anyway, you will be left with;
√V/πh=r
So;
r=√V/πh.
Hope i helped. Have a nice day.

V = πr²h
Divide by h
V/h = πr²
Divide by π
V/πh = r²
Square Root
√(V/πh) = r
r = √(V/πh)

Is This a Linear Function?explain