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4 years ago

By definition present value is

Mathematics

2 answers:

vagabundo [1.1K]4 years ago

5 0

Answer:

A future value minus interest.

Step-by-step explanation:

A P E X

prisoha [69]4 years ago

4 0

Present Value - <span>the value in the present of a sum of money, in contrast to some future value it will have when it has been invested at compound interest.</span>

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Ivan has 6 times as many blue beads as red beads. he has 49 red and blue beads in all. how many blue beads does Ivan have

salantis [7]

Let

x--------> the number of blue beads

y--------> the number of red beads

we know that

$x+y=49$

$x=49-y$ -------> equation $1$

$x=6y$ ------> equation $2$

equate equation $1$ and equation $2$

$49-y=6y\\ 6y+y=49\\ 7y=49\\\\ y=\frac{49}{7} \\ \\ y=7$

find the value of x

$x=6*7\\ x=42$

therefore

the answer is

Ivan has $42$ $blue beads$

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3 years ago

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One eighth of Tony's books are mystery books He has 3 Mystery books how many books does Tony have in all

kolezko [41]

The answer to <span>One eighth of Tony's books are mystery books He has 3 Mystery books how many books does Tony have in all is 24

</span>

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3 years ago

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How many solutions does this equation have?

kozerog [31]

Hello from MrBillDoesMath!

Answer: infinite solutions

Discussion: I did a double take on this one but the left hand is

a + 3 + 2a = 3a +3

and the right hand side is

-1 + 3a + 4 = 3a + (4-1) = 3a + 3

The left and right sides of the equation are identical for all "a", i.e. for infinitely many "a" values.

Regards, MrB.

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3 years ago

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When Gerald started on his trip, his odometer read 109,875. At the end of his trip it read 110,480. How many miles did he travel

ozzi

Gerald traveled 605 miles. In order to get this answer you subtract 109,875 from 110,480.

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3 years ago

Evaluate the expression 4y^2 -a if x = 2, y = -3, and a =6

Vika [28.1K]

The expression is telling you to proceed as follows:

Pick some number $y$
Pick some number $a$
Compute the square of $y$
Multiply it by 4
Subtract $a$ from this result.

So, first of all, there's no point in fixing $x = 2$ , because x doesn't appear in the expression. As for the evaluation, let's follow the aforementioned steps with fixed values:

Pick some number $y$

Pick $y=-3$
Pick $a=6$
Compute $y^2 = (-3)^2 = 9$
Multiply it by 4: $9 \cdot 4 = 36$
Subtract $6$ from this result: $36-6=30$

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4 years ago