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Mathematics

2 answers:

Vadim26 [7]3 years ago

7 0

Answer:

y = -4x/3 -3

Step-by-step explanation:

y - y1 = m( x - x1 )

y - -7 = -4/3 ( x - 3 )

y + 7 = -4x/3 + 4

y = -4x/3 -3

y = -4x/3 -3 is the equation of the line

Mashcka [7]3 years ago

5 0

Given that a line passes through the point (3,−7) and has a slope of −43. − 4 3 . Hence, the equation of the given line is 4x+3y+9=0.

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The coordinates of L and M are (3, 6) and (9, 8) respectively. X is the mid-point of LM, determine the coordinate of the point X

chubhunter [2.5K]

The formula is (x1+x2)/2 will give you the x of the mid point.

(y1+y2)/2 will give you the y of the mid point.

So, (3+9)/2= 6
And (6+8)/2=7

The mid point is (6:7)

4 0

3 years ago

Suppose that E and F are two events and that Upper N (Upper E and Upper F )N(E and F)equals=250250 and Upper N (Upper E )N(E)equ

Anika [276]

Answer:

the probability is 0.4642 (46.42%)

Step-by-step explanation:

for the events E and F such that

N(E ∩ F) = 250 and N(E) = 560

where N represents the number of elements in that set , we can use the theorem of Bayes for conditional probability .Then representing N total =N(E∪F) , we have that the probability is

P( F|E ) = P (E ∩ F)/ P(E) = [N(E ∩ F) / N total]/ [N(E) / N total ] = N(E ∩ F)/ N(E) = 250/560 = 0.4642 (46.42%)

4 0

3 years ago

Please help i’m doing trying to do my gf work please i’ll give you brainliest

otez555 [7]

Answer:

t = 5 seconds h = 128 feet

Step-by-step explanation:

The given equation of the object is :

$h(t)=-16t^2+64t+80$ .....1