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natulia [17]
3 years ago
6

Plεαse solve thanks!!!!

Mathematics
1 answer:
Gwar [14]3 years ago
4 0

Answer:

1/12

Step-by-step explanation:

1/6x

1/2

1/12

its lined up just in case

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HELP pls!!
Rudiy27
<h3>Answer: Choice B) x = 65, y = 10</h3>

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

Work Shown:

The upper pair of angles 60 degrees and (2x-y) degrees are supplementary angles. This is because of the parallel lines. Note how they are same side interior angles. Therefore, (2x-y) and 60 combine to 180 degrees like so

(2x-y)+60 = 180

2x-y = 180-60 ... subtract 60 from both sides

2x-y = 120 ... call this equation 1

-------

Similarly, (2x+y) and 40 also combine to 180

(2x+y) + 40 = 180

2x+y = 180-40 ... subtract 40 from both sides

2x+y = 140 ... call this equation 2

------

Line up equation 1 and equation 2. Then add straight down

\ \ \  2x-y = 120\\+ 2x+y = 140\\\hrule\\\\\\ \ \ \ 4x+0y = 260\\\\

That becomes 4x = 260 which solves to x = 65 when you divide both sides by 4.

------

If x = 65, then,

2x-y = 120

2(65)-y = 120

130 - y = 120

-y = 120-130

-y = -10

y = 10

or

2x+y = 140

2(65)+y = 140

130+y = 140

y = 140-130

y = 10

----------

Either way end up with x = 65 and y = 10

4 0
3 years ago
HELP PLEASE.
qwelly [4]
Page 142 #4 round your answer the nearest
5 0
3 years ago
4 1/2 * 1 2/5 <br><br> In the simplest form
Gwar [14]
4½ = 9/2
1 2/5 = 7/5
9/2 * 7/5 = 63/10 = 6 3/10
7 0
3 years ago
Read 2 more answers
Solve by factoring and list only the positive solution: 2x2 - 5x = 88
Semmy [17]
It has to be noted that there are several ways to factor the item. One of these is shown below. 

The general form of a quadratic equation is,
            Ax² + Bx + C = 0

where A and B are numerical coefficients and C is the constant. If we are to express the given equation in this form, 
        2x² - 5x - 88 = 0

The sum of the roots, x₁ and x₂ is -B/A and the product is equal to C/A.

Sum: x₁ + x₂ = -(-5/2) = 5/2
 Product: x₁x₂ = -88/2 = -44

The values of x₁ and x₂ are 8 and -11/2.

The factors are (x - 8) and (x + 11/2)

<em>ANSWERS: 8 and -11/2. </em>
8 0
3 years ago
Leroy wants to buy a tablet costing $210. His Mom agrees to pay $5 for every $2 Leroy saved. How much will each contribute?
Digiron [165]

Answer:

60$ for leroy and $150 for mom.

Step-by-step explanation:

4 0
3 years ago
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