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3 years ago

$600 is deposited in an account that pays 7% annual interest, compounded continuously. What is the balance after 5 years?

Mathematics

1 answer:

zheka24 [161]3 years ago

6 0

Answer:

85.7 annual interest

Step-by-step explanation:

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-2x+y=1 and y=-x+4 What is x?

Vikentia [17]

When -2x+y=1 and y=-x+4, x = 1

4 0

3 years ago

What is the solution to the inequality 7<=-3x-4

kipiarov [429]

Answer:

The nearest option is -3 (negative 3)

So, Option B is correct.

Step-by-step explanation:

We need to solve the inequality $7 \leq -3x-4$

Solving:

Step 1: Switching sides of inequality and reversing the inequality

$-3x-4\geq 7$

Step 2: Adding 4 on both sides

$-3x-4+4\geq 7+4\\-3x\geq 11$

Step 3: Dividing both sides by -3 and reversing the inequality

$\frac{-3x}{-3}\leq \frac{11}{-3} \\x\leq -3.6\\$

The nearest option is -3 (negative 3)

So, Option B is correct.

4 0

3 years ago

Grace is three times as old as Hans, but in 5 years she will be twice as old as Hans is then. How old are they now? Set up an th

frosja888 [35]

Answer:

3x - y = 0; 2x - y = -5

Step-by-step explanation:

Let x be the present age of Hans and y be the present age of Grace,

Since, in present Grace is three times as old as Hans,

⇒ y = 3x

⇒ 3x - y = 0

Now, after 5 years,

The age of Hans = x + 5,

And, the age of Grace = y + 5

Also, in 5 years Grace will be twice as old as Hans is then,

⇒ y + 5 = 2 ( x + 5 )

⇒ y + 5 = 2x + 10

⇒ 2x - y = -5

Hence, the required system of linear equations is,

3x - y = 0; 2x - y = -5

5 0

4 years ago

Need help on #5, please help :)

Gre4nikov [31]

Okay i answered by comment but now i can make an official answer here:

a) i got 5,828.6 grams / about 13lb

b) i got 273,391.48$

hope this helps!

6 0

4 years ago

Solve the system by elimination -3x+4y=16 3x+y=4

Illusion [34]

X's cancel 5y = 20 y= 4 X=0

7 0

3 years ago