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ipn [44]
4 years ago
11

Find the value of x if B is between A and C, AB=4x-9, BC= 3x+ 5, and AC=7

Mathematics
1 answer:
Otrada [13]4 years ago
4 0
AB = 4 x - 9
BC = 3 x + 5
AC = 7

B is in between A and C.  <u>So AB + BC = AC</u>

4x - 9 + 3 x + 5  =  7
7 x - 4 = 7              take -4 from LHS to the R H S (right hand side) it becomes +4
7 x = 7 + 4  = 11
x = 11/7    = 1.571

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Answer:

x° is 66°  

Step-by-step explanation:

From the given diagram, we have;

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∠JID and ∠JIH are supplementary angles, by the sum of angles on a straight line

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∠IJD = 180° - (∠IDJ + ∠JID)  = 180° - (39° + 75°) = 66° angle subtraction postulate

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katrin2010 [14]

Answer: 4

Step-by-step explanation:

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Here , we have 4 points A, B, C, and D.

So, the number of possible combinations of 3 points to make a plane from 4 points = C(4,3)

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Brums [2.3K]

Answer:

the answer I'd 1.008

Step-by-step explanation:

mark as brainliest:)

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