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Orlov [11]
3 years ago
9

I need help with this math problem.

Mathematics
1 answer:
pogonyaev3 years ago
5 0

Answer:

(45,60)

Step-by-step explanation:

in a parallelogram, opposite angles are equal measure

2x-10 = y + 20

angles that lie on the same line add up to 180, since alternate angles of parallel lines and a transversal are equivalent

2x + 10 + 2x - 10 = 180

solving the equation with only Xs

4x = 180

x = 180/4 = 45

plug x = 45 into x and y equation

90-10 = y+ 20

80 = y + 20

y = 80-20 = 60

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Please answer these! Add brackets to make the equations true!
beks73 [17]

<span>(1 + 5 ) x 2 = 12                                                                             1 + [(5 x 2) – 2] = 10 </span>

<span>1 + [5 x (2 – 2)] = 1                                                                      [1 + (5 x 2)] – 2 = 9</span>

<span>8 = 12 – [8 / (4 / 2)]                                                                      11  = 12 – [(8 / 4) / 2]</span>

<span>½ = [(12 – 8 ) / 4]  / 2                                                                   20 = 6 x 4 – 4 x 5 </span>ß----can’t figure it out …sorry

<span>0 = 6  x (4 – 4) x 5                                                                         100 = [(6 x 4) – 4] x 5</span>

<span>24 = [14 –(8 -2)] x 3                                                                     0= (14 –8) – (2 x 3)</span>

<span>12 = [{14 – 8)  - 2] x 3                                                                  12 = 14 – [8  - (2 x 3)]</span>

7 0
3 years ago
What percent is 15 minutes of 1 hour
Marrrta [24]
15 minutes is 25% of an hour.  You can tell this because there are exactly 4 15 minute periods in one hour.

Hope this helped.
6 0
3 years ago
Read 2 more answers
I need help on think through math
Sav [38]
The answer is the letter d
7 0
3 years ago
Identify the x- and y- intercepts of this equation. 5 − 4 = 20
Alinara [238K]

T he x and y intercepts of the equation: 5x-4y=20 are : y-intercept is (0,-5) and x-intercept is (4,0)

So, Option D is correct.

Step-by-step explanation:

we need to identify the x and y intercepts of the equation: 5x-4y=20

Finding x-intercept

For finding x-intercept put y=0

We are given the equation:

5x-4y=20

Solving:

5x-4y=20\\5x-4(0)=20\\5x=20\\x=\frac{20}{5}\\x=4

So, x-intercept is (4,0)

Finding y-intercept

For finding y-intercept put x=0

We are given the equation:

5x-4y=20

Solving:

5x-4y=20\\5(0)-4y=20\\-4y=20\\y=\frac{20}{-4}\\y=-5

So, y-intercept is (0,-5)

the x and y intercepts of the equation: 5x-4y=20 are :y-intercept is (0,-5) and x-intercept is (4,0)

So, Option D is correct.

Keywords: x and y intercepts

Learn more about x and y intercepts at:

  • brainly.com/question/1502731
  • brainly.com/question/11705002
  • brainly.com/question/1332667

#learnwithBrainly

6 0
3 years ago
Need help thank you !
USPshnik [31]
Answer)
Exact form - 101/15
Decimal form - 6.73
Mixed number - 6 11/15
6 0
3 years ago
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