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timurjin [86]
4 years ago
5

Segment LM is the mid segment of Trapezoid ABCD.AB=×+8,LM=4×+3,andDC=215.what is the value of x

Mathematics
1 answer:
tatyana61 [14]4 years ago
8 0

Answer:

3.46

Step-by-step explanation:

add

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Anni [7]
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3 years ago
Divide 29 into two parts so that the sun of the squares of the parts is 425.Find the value of each Part.
Taya2010 [7]

Answer:

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Step-by-step explanation:

let the 2 parts be x and y, then

x + y = 29 → (1) and

x² + y² = 425 → (2)

From (1) → x = 29 - y → (3)

substitute x = 29 - y into (2)

(29 - y)² + y² = 425 ( expand factor )

841 - 58y + y² + y² = 425 ( rearrange into standard form )

2y² - 58y + 416 = 0 ← in standard quadratic form

divide all terms by 2

y² - 29y + 208 = 0

Consider the factors of 208 which sum to - 29

These are - 13 and - 16, hence

(y - 13)(y - 16) = 0

equate each factor to zero and solve for y

y - 13 = 0 ⇒ y = 13

y - 16 = 0 ⇒ y = 16

substitute these values into (3)

x = 29 - 13 = 16 and x = 29 - 16 = 13

The 2 parts are 13 and 16


4 0
3 years ago
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soldier1979 [14.2K]

Answer: $15.00

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Reika [66]

Answer:

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Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

Given: 60% out of 100

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