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lions [1.4K]
3 years ago
12

Please help!! The last problem!!

Mathematics
1 answer:
malfutka [58]3 years ago
4 0
It should be -3, you have to plug the points into the slope formula
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5. solve for x
miss Akunina [59]

Answer:

x = 17, MN = 11

Step-by-step explanation:

Given 2 secants from an external point to a circle, then

The product of the external part and the whole of one secant is equal to the product of the external part and the whole of the other secant.

(5)

7(7 + x) = 8(8 + 13) = 8 × 21 = 168 ( divide both sides by 7 )

7 + x = 24 ( subtract 7 from both sides )

x = 17

(6)

9(9 + 2x - 7) = 10(10 + 8)

9(2x + 2) = 10 × 18 = 180 ( divide both sides by 9 )

2x + 2 = 20 ( subtract 2 from both sides )

2x = 18 ( divide both sides by 2 )

x = 9

Then

MN = 2x - 7 = 2(9) - 7 = 18 - 7 = 11

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2 years ago
Question 15
Gala2k [10]

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3 years ago
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Yuki888 [10]
Are you trying to simply the equation if so x = 6
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29 If the zeros of a quadratic function, F, are -3 and 5, what is the equation of the axis of symmetry
UNO [17]

Answer:

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Step-by-step explanation:

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8 0
1 year ago
Solve for the variable x+9=12
labwork [276]

Answer:

Step-by-step explanation:

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Read 2 more answers
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