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olga nikolaevna [1]
3 years ago
5

Please help me out I know that supplimentary angles have to equal 180 but I have no idea how to solve for x since they didnt giv

e us any angles

Mathematics
2 answers:
zhuklara [117]3 years ago
8 0

Answer:

x = 6

Step-by-step explanation:

13x + 2 = 12x + 8

13x - 12x = 8 - 2

x = 6

Crazy boy [7]3 years ago
4 0

Answer:

x = 6

Step-by-step explanation:

13x + 2 = 12x + 8

Because of:

1) Corresponding angles

2) Vertically opposite angles

13x + 2 = 12x + 8

13x - 12x = 8 - 2

x = 6

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Suppose that a school has 20 classes: 16 with 25 students in each, three with 100 students in each, and one with 300 students, f
astraxan [27]

Answer

a)   y    |      p(y)

    25   |      0.8

   100   |     0.15

   300   |      0.05

E(y) = ∑ y . p(y)

E(y) = 25 × 0.8 + 100 × 0.15 + 300 × 0.05

E(y) = 50

average class size equal to E(y) = 50

b)  y    |      p(y)

    25   |     \dfrac{16\times 25}{1000}=0.4

   100   |     \dfrac{3\times 100}{1000}=0.3

   300   |      \dfrac{1\times 300}{1000}=0.3

E(y) = ∑ y . p(y)

E(y) = 25 × 0.4 + 100 × 0.3 + 300 × 0.3

E(y) = 130

average class size equal to E(y) = 130

c) Average Student in the class in a school = 50

  Average student at the school has student = 130

5 0
3 years ago
The basic unit in which data are stored in an accounting system is called an __________. These storage units should be so constr
mash [69]

Answer:

an accounts; credit or debit.

Step-by-step explanation:

Remember, accounting involves activities done to keep financial records. Interestingly, a similar term is used to refer to the basic unit in which data are stored in an accounting system called accounts.

Also, we need to bear in mind that this financial records written as storage units would include incoming or outgoing money measurements often called debit or credit transactions in the items for which they are established.

6 0
3 years ago
Which is the standard form of the equation of the parabola shown in the graph?
djverab [1.8K]

Answer:

B

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Can some help me with for 100%
Dmitriy789 [7]

Answer:

188.4954 cm^2

3 0
3 years ago
Read 2 more answers
Please help! i need to pass this class!!
torisob [31]

Angle B = 54°

Step-by-step explanation:

complimentary means they add up to 90

54 + 36 (angle A) = 90

also x= 51

3 0
3 years ago
Read 2 more answers
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