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3 years ago

Find the equation of the line. Use exact numbers.

Mathematics

1 answer:

allochka39001 [22]3 years ago

7 0

Answer:

y = 1/2 x-3

Step-by-step explanation:

We know the y intercept is -3

We need two points to find the slope

(0,-3) and (6,0)

m = ( y2-y1)/(x2-x1)

=(0 - -3)/( 6-0)

(0+3)/(6-0)

3/6

1/2

The slope is 1/2 and the y intercept is -3

y = mx+b where m is the slope and b is the y intercept

y = 1/2 x-3

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Given P(A) = 0.46, P(B) = 0.35 and P(B|A) = 0.45, find the value of

WINSTONCH [101]

P(B|A) = P(A and B)/P(A)
So to find P(A and B) just multiply P(B|A) by P(A)

P(A and B) = 0.45*0.46 = 0.207

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3 years ago

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Diano4ka-milaya [45]

Answer:

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Step-by-step explanation:

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3 years ago

One positive integer is 6 less than another. The

nlexa [21]

Answer:

$11, 5$

Step-by-step explanation:

$x=y-6$

$xy=55$

Put x as y-6 in the second equation.

$(y-6)y=55$

$y^2-6y=55$

$y^2-6y-55=0$

Factor.

$\left(y+5\right)\left(y-11\right)=0$

$\left(y+5\right)=0$

$y=-5$

It has to be a positive integer.

$y-11=0$

$y=11$

Substitute y as 11.

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$x=11-6$

$x=5$

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3 years ago

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Point A
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4 years ago

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Josh will take 10 tests in five weeks at school how many tests will he have taken after seven weeks

lbvjy [14]

10(the number of tests) divided by 5(the amount of weeks)=2. That is 2 tests every week. 2x7 weeks is 14 tests. Or this could be a trick question and he could have only had tests for 5 weeks.

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