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qwelly [4]
3 years ago
15

Please help!!! Solve for x and I need help setting up the equation and solving it!!

Mathematics
2 answers:
denpristay [2]3 years ago
8 0

Answer:

x = - 4

Step-by-step explanation:

Sum of interior angles in a triangle = 180

so

x + 24 + 20 + 140 = 180

x + 184 = 180

x = - 4

nadezda [96]3 years ago
3 0

Answer:

-4

Step-by-step explanation:

The total degree of a triangle is always 180.

20 + 140 + 24 + x = 180

now we simplify and relocate some numbers to the other side of the equal sign.

20 + 140 = 160

160 + 24 + x = 180

24 + x = 180 - 160

24 + x = 20

x = 20 - 24

x = -4

<u>check</u>

20 + 140 + -4 + 24 = 180

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bixtya [17]
10%

8 / 80 = .1 move your decimal =10%
7 0
3 years ago
Please help me, i will give brainliest!! help me please
Minchanka [31]

The answers are :

10) 25 : 24

11) 24 : 5

12) 36 : 5

13) 7 : 3

14) 15 : 1

<u>Ratio = Number of event 1 : Number of event 2</u> (in same unit, if necessary)

<u>10</u>

Girls preferring orange juice : Boys preferring orange juice

50 : 48 (Divide by 2 on both sides)

25 : 24

<u>11</u>

Boys preferring orange juice : Boys preferring grapefruit juice

48 : 10 (Divide by 2 on both sides)

24 : 5

Remember :

  • <u>1 minute = 60 seconds</u>
  • <u>1 week = 7 days</u>
  • <u>1 hour = 60 minutes</u>

<u />

<u>12</u>

3 minutes : 25 seconds

3 × 60 : 25 (Divide by 5 on both sides)

3 × 12 : 5

36 : 5

<u>13</u>

2 weeks : 6 days

2 × 7 : 6 (Divide by 2 on both sides)

7 : 3

<u>14</u>

5 hours : 20 minutes

5 × 60 : 20 (Divide by 20 on both sides)

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4 0
2 years ago
Solve the enquality 2x+1&gt;11​
lord [1]
X>5
Since 2x>11-1 is 2x>10 divide by 2
And we get x>5
8 0
3 years ago
Read 2 more answers
What is the minimum value of the function g(x) = x2 - 6x – 12?<br> -21<br> 3-21<br> 3<br> 3+21
balandron [24]

Answer:

- 21

Step-by-step explanation:

The minimum value occurs at the vertex of the function

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

To obtain this form use the method of completing the square

Given

f(x) = x² - 6x - 12

add/ subtract ( half the coefficient of the x- term)² to x² - 6x

f(x) = x² + 2(- 3)x + 9 - 9 - 12

     = (x - 3)² - 21

with vertex = (3, - 21 )

The minimum is the value of k, that is minimum value = - 21

4 0
3 years ago
If x=25 when y=15, find x when y=24
mars1129 [50]

Answer:

\frac{24 \times 25}{15}  = 40

7 0
3 years ago
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