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Sav [38]
3 years ago
12

What is the value for a?

Mathematics
1 answer:
alexgriva [62]3 years ago
6 0
The value of a is 5
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Suppose $500 is invested at 6% annual interest compounded twice a year. When will the investment be worth $1000.
Nataly_w [17]

Answer:

Step-by-step explanation:

V=P(1+r/c)^{(ct)}\\ \\ V=P(1+.06/2)^{(2t)}\\ \\ 1000=500(1.03)^{(2t)}\\ \\ (1.03)^{2t}=2\\ \\ 2t=ln2/(ln1.03)\\ \\ t=ln2/(2ln(1.03))\\ \\ t\approx 11.7 years

7 0
3 years ago
Given the function ƒ(x) = 5x2 − 9x + 18, find ƒ(3).
Crank

Answer:

f(3) = 36

Step-by-step explanation:

ƒ(x) = 5x^2 − 9x + 18

Let x =3

ƒ(3) = 5(3)^2 − 9(3) + 18

      = 5*9 -27 +18

      = 45 -27+18

      =36

6 0
3 years ago
Hello everyone.
lina2011 [118]

Answer:

I Don't know either

Step-by-step explanation:

I know

8 0
3 years ago
Solve r = 4/3(p-q) for p.
alekssr [168]
R =4/3 (p-q)
3 x r = 4 (p-q)
(3 x r)/4 = p - q

(3 x r)/4 - q = p
4 0
3 years ago
Solve the system of equations: y= x^2 + 2x - 3 and y=3x+ 3.
Semenov [28]

Answer:

(-2, -3)

(3, 12)

Step-by-step explanation:

To solve this, we're gonna get rid of the y's with substitution

x² + 2x - 3 = 3x + 3

Let's make this equation equal to zero

Subtract 3 from both sides

x² + 2x - 3 = 3x + 3

            - 3         - 3

x² + 2x - 6 = 3x

Subtract 3x from both sides

x² + 2x - 6 = 3x

    - 3x        - 3x

x² - x - 6 = 0

Factor the equation

(x - 3)(x + 2) = 0

This means x can be -2 or 3

Let's solve it with -2 first, plug the new x in y = 3x + 3

y = 3(-2) + 3

y = -6 + 3 = -3

Do the same for x = 3

y = 3(3) + 3

y = 9 + 3 = 12

3 0
2 years ago
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