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Schach [20]
3 years ago
8

Please help!!! will mark brainliest

Mathematics
2 answers:
irina [24]3 years ago
7 0

Answer:

  • x = 15

Step-by-step explanation:

<u>Since the quadrilateral is inscribed into circle, its opposite angles are supplementary:</u>

  • m∠H + m∠K = 180°

<u>Substitute the values and solve for x:</u>

  • 5x - 22 + 8x + 7 = 180
  • 13x - 15 = 180
  • 13x = 195
  • x = 195/13
  • x = 15
xxTIMURxx [149]3 years ago
6 0

Answer:

<h2><u>Solution</u><u> </u><u>:</u><u>:</u></h2>

According to the property of Cyclic Quadrilateral

5x - 22 + 8x + 7 = 180

(5x + 8x) - (22 - 7) = 180

13x - 15 = 180

13x = 180 + 15

13x = 195

x = 195/13

x = 15

\\

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A wall of a building is 30 inches wide.sixteen inches is concrete,8 inches is brick,and 6 inches is limestone . What fraction of
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16
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Empirical rule of 139 cm and 193 cm
sesenic [268]
<span> 166cm would be your answer.</span>
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3 years ago
Un boligrafo cuesta 30 ptas mas que un lapiz. Un muchacho ha comprado 8 boligrafos y 15 lapices. En total le han costado 700 pta
Firdavs [7]

Por un sistema de ecuaciones, tiene-se que:

  • Cada lapiz cuesta 20 ptas.
  • Cada boligrafo cuesta 50 ptas.

-------------------------

  • Considera-se un sistema de ecuaciones, con cada boligrafo custando x y cada lapiz custando y.
  • <u>Boligrafo cuesta 30 mas que un lapiz</u>, o sea, x = 30 + y
  • <u>8 boligrafos y 15 lapices cuesta 700</u>, o sea, 8x + 15y = 700

-------------------------

  • Aplicando el <u>primer ecuación en la segunda, </u>tiene-se el cuesto de cada lapiz:

8x + 15y = 700

8(30 + y) + 15y = 700

240 + 8y + 15y = 700

23y = 460

y = \frac{460}{23}

y = 20

Cada lapiz cuesta 20 ptas.

-------------------------

Por fin, el cuesto de cada boligrafo es dado por:

x = 30 + y = 30 + 20 = 50

Cada boligrafo cuesta 50 ptas.

Un problema similar es dado en brainly.com/question/24637096

4 0
3 years ago
Is it possible to draw a triangle with sides 150cm, 10 cm, and 10cm
Oliga [24]
<span>It is absolutely impossible to draw a triangle of sides 150 , 10 and 10 cm. With one side so large, it is impossible, which will make the two angles two small to intersect and the angle will be < 0, which is not possible in a triangle.

i hoped this helped </span>
7 0
3 years ago
Read 2 more answers
Which equation has the solution x=7?<br> a-5x+3=45<br> B-3x−8=28<br> c-5x−1=−34<br> D-2x−5=9
Roman55 [17]

Answer:

D

Step-by-step explanation:

2x-5=9

add 5 to both sides

2x=14

divide by 2 on both sides

x=7

6 0
2 years ago
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