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11Alexandr11 [23.1K]
3 years ago
12

Determine the value of x for which r||s if . m<1 = 60 - 2x; and m<2 = 70 - 4x.

Mathematics
1 answer:
larisa [96]3 years ago
8 0

Answer:

x=5

Step-by-step explanation:

m<1=m<2 ( r is parallel to s) corresponding angles are equal

60-2x=70-4x

70-60=-2x+4x

2x=10

x=10/2=5

m<1=60-2x = 60-10=50

m<2= 70-4x =70-20=50

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A 51 foot piece of wire is cut into 3 sections so that the first section is three times as long as the second section and the se
kirill [66]

Answer:

The length of the longest section x = 36 ft

Step-by-step explanation:

Total length of the wire = 51 ft

Let first section of wire = x

Second section of wire = y

Third section of wire = z

According to given data

x = 3 y & y = 4 z

Total length of the wire = x + y + z = 51

y + 3 y + \frac{y}{4} = 51

\frac{17}{4} y = 51

y = 12

x = 3 × 12 = 36

z = \frac{y}{4} = \frac{12}{4} = 3

Therefore the length of the longest section x = 36 ft

8 0
3 years ago
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zysi [14]
This is just about substitution!! 9(5)-3(5), 3 • 5 = 15
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2 years ago
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Kobotan [32]

Answer:

30,40,50

Step-by-step explanation:

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*******extra********

also 30,40,50 is a pythagorean triplet

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