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kykrilka [37]
3 years ago
10

After 4 years, $3,006 deposited in a savings account with simple interest had grown to a total of $3,967.92. What was the intere

st rate?
Mathematics
1 answer:
Lemur [1.5K]3 years ago
5 0

Answer:

So interest rate is 8% per annum

Step-by-step explanation:

Principal amount = $3,006

Amount at end = $3,967.92

Time = 4yrs

interest money = ($3967.92 - $3006)  

also equal to = 4 * (x/100) * $3,006

Where x is the interest rate per annum

So, 4 * (x/100) * $3,006 = ($3967.92 - $3006)

        x = 8%

So interest rate is 8% per annum

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Fill in the blank to show an example of the symmetric property: <br>If JK = ST, then _ = __ ​
sweet [91]
The answer would be ST=JK
6 0
3 years ago
Forty is no greater than the difference of a number and 2
GuDViN [60]
This can be written as:
40  \leq  n - 2

"No greater than" does not necessarily mean less than, but it just means it cannot go over. So equal to or less than.

"The difference of a number and 2" can be represented as "n - 2"

If you were to solve this inequality, you would end up getting:
42  \leq  n or n  \geq  42

Hope this helps! :)
8 0
4 years ago
Read 2 more answers
True or False (&amp; Justify): If a ball is thrown horizontally from the top edge of a 150m building at a speed of 25 m/sec, the
kap26 [50]

Answer:

38.6 m/s

Step-by-step explanation:

The motion of the ball is a projectile motion, which consists of two independent motions:  

- A uniform motion (constant velocity) along the horizontal direction  

- A uniformly accelerated motion, with constant acceleration (acceleration of gravity) in the downward direction  

Therefore we have to analyze the horizontal and vertical motion separately.

Along the horizontal direction, the velocity is constant during the motion, since there are no forces acting in this direction. So the horizontal velocity 3 seconds after the launch will be the same as the velocity at the launch:

v_x = v_0 = 25 m/s

The vertical velocity instead changes according to the suvat equation:

v_y = u_y - gt

where

u_y=0 is the initial vertical velocity

g=9.8 m/s^2 is the acceleration due to gravity

t is the time

Therefore, after t = 3 s,

v_y=0-(9.8)(3)=-29.4 m/s

So the velocity after 3 seconds is < 25, -29.4 > m/s. The magnitude of the velocity is

v=\sqrt{v_x^2+v_y^2}=\sqrt{25^2+(-29.4)^2}=38.6 m/s

3 0
4 years ago
I need help please answer with explantation
ExtremeBDS [4]

Answer:

what is it about i mite help

Step-by-step explanation:

okay!

3 0
4 years ago
The height of a giant redwood tree is 200 feet, and the height of an oak tree is 120 feet. Taking the height of the redwood tree
marta [7]

Answer:

\% Change = \frac{|120-200|}{200} *100 = 40\%

And the interpretation for this value is that the oak tree is have a height of 40% lower than the Redwood tree

Step-by-step explanation:

For this case we can calculate the % of change with the formula of relative change given by:

\% Change = \frac{|New -Base|}{Base} *100

For this case the Base value is 200 ft since represent the heigth of the redwood tree selected as the base

And the New value would be 120 who represent the height of the oak tree

If we replace into the formula we got:

\% Change = \frac{|120-200|}{200} *100 = 40\%

And the interpretation for this value is that the oak tree is have a height of 40% lower than the Redwood tree

6 0
4 years ago
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