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____ [38]
3 years ago
7

If the simple interest on ​$2,000 for 8 years is ​$​800, then what is the interest​ rate?

Mathematics
1 answer:
charle [14.2K]3 years ago
6 0
The answer would be the 18.75 per year
Hope I helped
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The Atlantic Salmon swim upstream at a steady rate of 2 miles every 3 minutes. Fill in the table to describe the relationship. R
Likurg_2 [28]

The distance traveled by the Salmon is proportional to the duration spent

swimming.

A table of the distance traveled by the Atlantic Salmon is presented as follows;

\begin{tabular}{|c|c|c}\underline{Time in minutes}&\underline{Miles Traveled  at 2/3 miles per minute } \\1&2/3  \\2&4/3\\3&2\\4&8/3\\5&10/3\\6&4\end{array}

Reasons:

The given parameter are;

The steady rate at which Atlantic Salmon swims = 2 miles in 3 minutes

Distance the Salmon swims, d ∝ Time taken, t

Therefore;

d = s·t

Where;

s = The constant of proportionality = The speed

Which gives;

\displaystyle s = \mathbf{\frac{Distance, \, d}{Time, \, t}}

The speed with which the Atlantic Salmon swims per minute is therefore;

\displaystyle The \ speed = \mathbf{\frac{2 \ miles}{3 \ minutes}} = \frac{2}{3} \ miles /minute

The distance travelled, <em>d</em>, is given as follows;

\displaystyle d = \mathbf{\frac{2}{3} \times t}

A table showing the distance travelled by the fish with time is presented as follows;

\begin{tabular}{|c|c|c|}\underline{Time, t, in minutes}&\underline{t \times d}&\underline{Miles Traveled, d,  at 2/3 miles per minute } \\1&1 \times 2/3 = 2/3&2/3  \\2&2 \times 2/3 = 4/3&4/3\\3&3 \times 2/3 = 2&2\\4&4 \times 2/3 = 8/3&8/3\\5&5 \times 2/3 = 10/3&10/3\\6&6 \times 2/3 = 4&4\end{array}

Learn more about constant of proportionality here:

brainly.com/question/11703625

8 0
3 years ago
This is Amy's family.
forsale [732]

Answer:

All of their tickets cost $425.00

Step-by-step explanation:

a= adults c=children

$1700 divided by a=4

$1700 divided by c=2

7 0
2 years ago
Julie has a large red apple in her hand that is 4 ft off the ground. A blue bird sees the apple at an
Dafna1 [17]

Answer:

Step-by-step explanation:

so from the silly drawing,  you can see that the triangle is 4 feet off the ground, and that we want to find the Opp side from our angle of 15 °

Use SOH CAH TOA to recall how the trig functions fit on a triangle

SOH: Sin(Ф)= Opp / Hyp

CAH: Cos(Ф)= Adj / Hyp

TOA: Tan(Ф) = Opp / Adj

use TOA to find the Opp side of the triangle .. which is labeled X

Tan(15) = X / 15

15* Tan(15) = X

4.019   =   X

so the bird is up 4 feet in the tree.. not very high up, plus the 4 feet that the apple is already off the ground, soo

the tree... to where the bird is, at least, is 8.019 feet..

did this make sense?  :/  

hope the drawing helped  :P

6 0
3 years ago
What are the coordinates of point A? HELP PLZ
OLEGan [10]

Answer:

(-3,-6)

Step-by-step explanation:

The first coordinate is the x coordinate

X is 3 units to the left so it is -3

The next coordinate is the y coordinate

Y is 6 units down so it is -6

(-3,-6)

8 0
2 years ago
Read 2 more answers
A cylinder has a base diameter of 20 meters and a height of 10 meters. What is its
amid [387]
The answer is 3140
V=pie r 2 h
3.14x10 2 x10
3.14x100x10
314x10
3140
5 0
3 years ago
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