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nordsb [41]
3 years ago
12

LOTS OF POINTS!!!!!!!!Please help asap!!!!! I need to solve for x

Mathematics
1 answer:
lozanna [386]3 years ago
4 0

Answer:

x = 1 11/15

Step-by-step explanation:

Using ratios of similar triangles

3            5.2

-------- = ----------

4            (5.2 + x)

Using cross products

3 * (5.2 + x) = 5.2 * 4

Distribute

15.6 + 3x = 20.8

Subtract 15.6 from each side

15.6-15.6 + 3x = 20.8 -15.6

3x =5.2

Divide each side by 3

3x/3 = 5.2/3

x = 5.2/3

x=52/30

x = 26/15

x = 1 11/15

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Mandarinka [93]

Answer:

a = 300

Step-by-step explanation:

so 5/a=60

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4 0
3 years ago
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Taya2010 [7]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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Ber [7]

Answer:

<h2>m∠ACE = 90°</h2>

Step-by-step explanation:

Figure Interpretation:

m∠CBA + m∠CDE = 180

m∠BCA = (180-m∠CBA)/2

m∠DCE = (180-m∠CDE)/2

=======================

Then

m∠BCA + m∠DCE = (180-m∠CBA)/2 + (180-m∠CDE)/2

                                = [360-(m∠CBA+m∠CDE)]/2

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finally,

m∠ACE= 180 - (m∠BCA + m∠DCE)

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8 0
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