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4 years ago

15

A checking account is overdrawn if it has a negative balance. Marc’s account is overdrawn by $63. What will the balance be after

he deposits $173 and writes a check for $41?

1 answer:

miss Akunina [59]4 years ago

6 0

(-63 + 173) - 41 = ?
110 - 41 = 69.

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Which are the solutions of x2 = 19x + 1?

Finger [1]

Answer:

$(\frac{19-\sqrt{365}} {2},\frac{19+\sqrt{365}} {2})$

Step-by-step explanation:

we have

$x^2=19x+1$

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$-x^{2}-19x-1=0$

so

$a=1\\b=-19\\c=-1$

substitute in the formula

$x=\frac{-(-19)\pm\sqrt{-19^{2}-4(1)(-1)}} {2(1)}$

$x=\frac{19\pm\sqrt{365}} {2}$

$x=\frac{19+\sqrt{365}} {2}$

$x=\frac{19-\sqrt{365}} {2}$

$(\frac{19-\sqrt{365}} {2},\frac{19+\sqrt{365}} {2})$

therefore

StartFraction 19 minus StartRoot 365 EndRoot Over 2 EndFraction comma StartFraction 19 + StartRoot 365 EndRoot Over 2 EndFraction

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3 years ago

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If g(x ) = 3x - 5, then g -1(x )=

NemiM [27]

G(x) = 3x - 5

let g(x) = y

y = 3x - 5

y + 5 = 3x

3x = y + 5

x = (y + 5)/3

From y = g(x), x = g⁻¹(y)

<span>x = (y + 5)/3
</span>
g⁻¹(y) = <span>(y + 5)/3</span>

g⁻¹(x) = <span>(x + 5)/3</span>

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3 years ago

You inherit $5000 from your long lost Uncle Harold. The bad news is that the money must sit in a bank account for the next ten y

erastovalidia [21]

Answer:

5360

Step-by-step explanation:

5000*1.072=5360

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2 years ago

One number is seven more than four times another number. If the sum of the numbers is 22, find the numbers.

Agata [3.3K]

Answer:

the answer is actually study and you would know

Step-by-step explanation:

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1. Use a ratio box to solve this problem. Tammy saved nickels and

Mice21 [21]

Answer:

245

Step-by-step explanation:

let 'c' = total coins

2/7 = 70/c

2c = 490

c = 245

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3 years ago