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agasfer [191]
3 years ago
10

James started walking away from his house. He started 3 ft away from his front door. He then walked another unknown distance Nor

th or South. If North is represented positively and South is represented negatively, which function BEST represents how far James is away from his house?
A) f(x) = |x| + 3
B) f(x) = |x - 3|
C) f(x) = x(-x) + 3
D) f(x) = 3x - (x - 3)
Mathematics
1 answer:
Zielflug [23.3K]3 years ago
6 0

Answer:

3 because if the limit is 2 you X it by 2 and take away a fourth of the answer 3 because if the limit is 2 you X it by 2 and take away a fourth of the answer

Step-by-step explanation:

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garik1379 [7]

Answer:

2.815

Step-by-step explanation:

The thousandth number is the third number in the provided integer, you round down because the ten-thousandth value is 1, and you will only round up if the number is 5 or higher, otherwise, you round down.

Hope this helps!

4 0
2 years ago
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Descried how to derive the quadratic formula from a quadratic equation in standard form
Aleks [24]

Answer:

The standard form of a quadratic equation is:

ax^2+bx+c=0, a\neq 0

Quadratic Formula Derivation:

ax^2+bx+c=0\\

$x^2+\frac{b}{a}x+\frac{c}{a} =0 $

$x^2+\frac{b}{a}x = -\frac{c}{a}$

Completing the Square:

$x^2+\frac{b}{a}x +\frac{b^2}{4a^2} = \frac{b^2}{4a^2}-\frac{c}{a}$

$  ( x+\frac{b}{2a} )^2 =  \frac{b^2-4ac}{4a^2}  $

Square Root property:

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

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

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8 0
3 years ago
One day at 3:00 a.m., the temperature was -13°F in Kodiak, Alaska. At 10:00 a.m., the temperature was 22°F. What was the average
suter [353]
-13 to 0 = 13 degrees changed. 0 to 22 is 22 degrees changed. 13 + 22 = 35 degree change.

10-3 = 7.

So there was a change of 35 degrees across 7 hours

35/7 = 5 degrees per hour.
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3 years ago
Solve for x 4x(x+1)=(2x-3)(2x+5)
natima [27]

The pic is your answer.

5 0
2 years ago
You go to a restaurant with 3 friends the total bill is 90 you pay 6% tax and add 20% tip what do you pay
pshichka [43]
$90 ×.06=5.40
$95.40×.20=19.08
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114.48/3=38.16
Each person pays 38.16
check your work 38.16×3=$114.48

You pay $38.16 for your bill unless your friends stiff you.
3 0
3 years ago
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