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kakasveta [241]
2 years ago
13

Help me please I'm frozen in time with this question

Mathematics
1 answer:
Vaselesa [24]2 years ago
7 0

Answer:

1) x = 7

2) x = 4

3) x = 1/9

Step-by-step explanation:

1) 3x +6 = 27

        -6     -6           Subtract 6 to both sides

   3x = 21                Then divide both sides by 3

     x = 7

2) 6x +3 = 27

         -3      -3         Subtract 3 to both sides

   6x = 24               Then divide both sides by 6

     x = 4

3) 27x +3 = 6

           -3   -3          Subtract 3 to both sides

   27x = 3                Then divide both sides by 27

       x = 3/27            Reduce

       x = 1/9

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What is the percentage of sugar in the syrup made of 10 kg of water and 5 kg of sugar?
OlgaM077 [116]
33.3% sugar
you do 5÷15 (part÷whole)
7 0
3 years ago
The following figure is not drawn to scale.
erik [133]

Answer:

The triangle angle rule says that all of the angles in a triangle will add up to equal 180. So to find x we subtract the given angles ( 45 and 60 in this case) from 180.

x = 180-60-45

180-60-45=75

so x = 75

To find y we know that angle x and and y are angles formed on a straight line that are split up by a triangle segment. These angles are called supplementary angles which add up to equal 180.

So knowing that angle x = 75 we can find angle y by subtracting 75 from 180

180-75=105 so y = 105

Another way we could solve for y is the exterior triangle rule

This rule states that an exterior angle of a triangle is equal to the two opposite interior angles

so y = 45 + 65

45 + 65=105

so y = 105

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
This table shows the number of points two teams scored in five games
mezya [45]

Answer:

2.16

Step-by-step explanation:

The question is on mean absolute deviation

The general formula ,

Mean deviation = sum║x-μ║/N where  x is the each individual value, μ is the mean and N is number of values

<u>Team 1</u>

Finding the mean ;

mean= \frac{51+47+35+48+64}{5}  =49

Points     Absolute Deviation from mean

51                          2

47                         2

35                        14

48                         1

64                         15

<u>Sum    </u>                34          

Absolute mean deviation = 34/5= 6.8

<u>Team 2</u>

Finding the mean

mean=\frac{27+55+53+38+41}{5} = 42.8

Points                      Absolute deviation from the mean

27                                    15.8

55                                    12.2

53                                     10.2

38                                      4.8

41                                       1.8

<u>Sum                                 44.8        </u>

Absolute deviation from the mean = 44.8/5 =8.96

Solution

Difference in mean absolute deviation of the two teams = 8.96-6.8 = 2.16

5 0
4 years ago
Point C is on the segment AB which has endpoints A(-1, 0) and B(3, 8). Point C is three times as far from point A as it is from
Viefleur [7K]

Answer:

  C = (2, 6)

Step-by-step explanation:

The coordinates of point C can be found as the weighted average of the endpoint coordinates. The weights are the reverse of the relative segment lengths.

For AC : CB = 3 : 1, we have ...

  C = (A +3B)/(1+3) = ((-1, 0) +3(3, 8))/4 = (-1+9, 0+24)/4

  C = (2, 6)

8 0
4 years ago
HELP ITS MY LAST QUESTION WITH STEP BY STEP
maks197457 [2]

Answer:

71

Step-by-step explanation:

This is the answer because:

1) First, add Andy's score and Janet's score in order to know how much they got in total:

  • Janet's score: 119 + 96 + 145 = 360
  • Andy's score: 127 + 74 + 88 = 289

2) In order to find how much more Janet scored, jus subtract Andy's score from Janet's score:

  • 360 - 289 = 71

Therefore, the answer is 71.

Hope this helps! :)

8 0
3 years ago
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