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2 years ago

How long does it take $450 to double at a simple interest rate of 100%

Mathematics

1 answer:

soldier1979 [14.2K]2 years ago

8 0

Answer is 900/(450 x 1)=2 years.

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A bag contains 9 marbles: 3 are green, 4 are red, and 2 are blue. Martina chooses a marble at random, and without putting it bac

Nana76 [90]

The probability that the first one is red is: 4/9
The probability of the second one is blue is: 2/9

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3 years ago

Calculate the length of x.

Naya [18.7K]

Answer:

Step-by-step explanation:

Use the pythagorean theorem to find the hypotenuse. You can do this by squaring 12 and 11 (separately) and then adding those together. You'll get 265. However, since this is c squared and not c, you have to find the square root for the correct answer. The square root of 265 is approximately 16.28. Hope this helps!

6 0

2 years ago

Consider the following system of equations. -10x2-10y2=-300 5x2+5y2=150 Which statement describes why the system has infinite so

scoundrel [369]

Answer:

The equations represent circles that result in the same graph.

Step-by-step explanation:

we have

$-10x^{2}-10y^{2}=-300$

Divide by -10 both sides

$x^{2}+y^{2}=30$ -----> equation A

This is the equation of a circle centered at origin with radius $r=\sqrt{30} \ units$

and

$5x^{2}+5y^{2}=150$

Divide by 5 both sides

$x^{2}+y^{2}=30$ -----> equation B

This is the equation of a circle centered at origin with radius $r=\sqrt{30} \ units$

equation A and equation B are equal

therefore

The system has infinite solutions, because the equations represent circles that result in the same graph.

4 0

3 years ago

2 1/2 ÷ 1 5/8 = Two and a half divided by one and five eights

LUCKY_DIMON [66]

So first of all we can't start by changing them both into improper fractions

So it would be:
5/2 divided by 13/8
From there you would do 5/2 * 8/13 which could convert to
5/1 * 4/13 which would be 20/13

3 0

2 years ago

Read 2 more answers

To increase an amount by 30%, what single multiplier would you use? and To decrease an amount by 30%, what single multiplier wou

Kamila [148]

Answer:

To increase, use 1.3

to decrease, use .7

Step-by-step explanation

6 0

2 years ago