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Wewaii [24]
2 years ago
12

3. What is another way to write x3/5?

Mathematics
1 answer:
ASHA 777 [7]2 years ago
6 0
The 3rd one is the right answer
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dexar [7]
I believe it’s A sorry if it’s incorrect
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Help me!!!! Pleaseeee
mariarad [96]

Step-by-step explanation:

<u>Y2 - Y1</u>

X2 - X1

<u>3 - 1</u>

2 - 1  

= 2

y - Y1 = m (x - X1)

y - 1 = 2(x - 1) --- IN POINT SLOPE FORM

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 + 1          + 1

y = 2x - 1 --- IN SLOPE INTERCEPT FORM


QUESTION 12:

Slope intercept form -

  • y = mx + b
  • m represents the slope
  • b represents the y - intercept AKA the starting point
  • When the slope is negative, you go down
  • When the slope is positive, you go up

ABOUT PROBLEM:

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4 0
3 years ago
Colin invests £1100 into his bank account.
lutik1710 [3]

Answer:

165 intreset 1265 total

Step-by-step explanation:

I = P*R*T

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8 0
3 years ago
Read 2 more answers
The number of fraud complaints rose from 250,000 in 2002 to 410,000 in 2003. find the percent increase.
Brrunno [24]
You would do 410,000 divided by 250,000 and that would be the answer. let me know if this is correct or not.
4 0
3 years ago
Numbers that add to -0.5 and multiply to 1
Oliga [24]
Short Answer
There are two numbers
x1 = -0.25 + 0.9682i   <<<< answer 1
x2 = - 0.25 - 0.9582i   <<<< answer 2 
 
I take it there are two such numbers.
Let one number = x
Let one number = y

x + y = -0.5    
y = - 0.5 - x       (1)
xy = 1               (2)

Put equation 1 into equation 2
xy = 1
x(-0.5 - x) = 1
-0.5x - x^2 = 1               Subtract 1 from both sides.
-0.5x - x^2 - 1 = 0          Order these by powers
-x^2 - 0.5x -1 = 0           Multiply though by - 1
x^2 + 0.5x + 1 = 0         Use the quadratic formula to solve this.

\text{x = }\dfrac{ -b \pm \sqrt{b^{2} - 4ac } }{2a}

a = 1
b = 0.5
c = 1


\text{x = }\dfrac{ -0.5 \pm \sqrt{0.5^{2} - 4*1*1 } }{2*1}

x = [-0.5 +/- sqrt(0.25 - 4)] / 2
x = [-0.5 +/- sqrt(-3.75)] / 2
x = [-0.25 +/- 0.9682i

x1 = -0.25 + 0.9682 i
x2 = -0.25 - 0.9682 i

These two are conjugates. They will add  as x1 + x2 = -0.25 - 0.25 = - 0.50.

The complex parts cancel out.  Getting them to multiply to 1 will be a little more difficult. I'll do that under the check.

Check
(-0.25 - 0.9682i)(-0.25 + 0.9682i)
Use FOIL
F:-0.25 * -0.25 = 0.0625
O: -0.25*0.9682i
I: +0.25*0.9682i
L: -0.9682i*0.9682i = - 0.9375 i^2 = 0.9375

Notice
The two middle terms (labled "O" and "I" ) cancel out. They are of opposite signs.

The final result is 0.9375 and 0.0625 add up to 1
 
7 0
3 years ago
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