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aleksklad [387]
3 years ago
9

X/4 -3 = 1/3 + 2x solve for x

Mathematics
1 answer:
ivann1987 [24]3 years ago
4 0

Answer:

Step-by-step explanation:

\frac{x}{4} - 3 = \frac{1}{3} + 2x ...... <em>(1)</em>

(1) × 12 :

3x - 36 = 4 + 24x

21x = - 40

x = - \frac{40}{21} = -1\frac{19}{21}

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In the picture lines AB and CD are parallel. Find the measures of the following angles. Explain your reasoning.
hichkok12 [17]

Answer/Step-by-step explanation:

1. <ABC and <BCD are alternate interior angles. Alternate interior angles are equal, therefore, since m<ABC = 38°, then m<BCD = 38°

2. m<ECF = m<BCD (corresponding angles)

m<ECF = 38° (substitution)

3. m<DCF + m<ECF = 180° (linear pair)

m<DCF + 38° = 180° (substitution)

m<DCF = 180° - 38° (Subtraction property of equality)

m<DCF = 142°

5 0
2 years ago
Marks own a carpet store and sells hallway runners for k9.52/linear foot. a) How much is this per linear yard? b) How much is th
Dimas [21]

Answer:

28.56/linear yard

32.2256/linear meter

121.77984k

Step-by-step explanation:

a) Scale = k9.52*3 = 28.56/linear yard

b) Scale = k9.52*3.28 = 32.2256/linear meter

c) Cost = 3.9 * 32.2256 = 121.77984k

6 0
2 years ago
6 times the sum of 12 and 8. Write your answer with no spaces. *
evablogger [386]

Answer:

(12+8)x6=120

(>'-'<)

8 0
3 years ago
Read 2 more answers
What is the third quartile of this data set 20,21,24,25,28,29,35,37,39,42,44
dezoksy [38]

Answer:

The third quartile would be <u>39</u>.

Step-by-step explanation:

• Since the numbers are already in order, the next step would be to find the median:

- The <u>median</u> is the middle number; found by ordering all data points and picking out the one in the middle.

  • The median would be 29.

• The <u>first quartile</u>, is denoted as Q1 and is the middle number that falls between the smallest value of the data set and the median.

  • The first quartile would be 24.

• The <u>third quartile</u>, is denoted as Q3 and is the median of the upper half of the data set.

  • The third quartile would be 39.

If I helped, please mark me the Brainliest!?!

6 0
3 years ago
Find the surface area of the cylinder 6cm 6cm <br> Give your answer in terms of pi
Lisa [10]

Answer:  A=2πrh+2πr2

Hope this helps you out! :}


4 0
3 years ago
Read 2 more answers
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