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olganol [36]
3 years ago
12

Is the work shown below correct? Explain your answer.

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
8 0
(11 + 21) - ( 3 - 100 )
= 32 + 97
= 129

or (11+21)-(3+100)
= 32 - 103
= - 71


I have no idea about your topic but hope it's right! Good luck
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Evaluate the third order determinant... trig high school
Komok [63]

Answer:

13

Step-by-step explanation:

3 0
3 years ago
Find the area 1/3 5/6 cm
Softa [21]

Answer:

5/18 cm squared

Step-by-step explanation:

Multiply 1/3 by 5/6 1 times 5=5

3 times 6 = 18

So 5/18

6 0
3 years ago
What is the equation of the line that passes through the points (2, –1) and (6, 1)? A.y=1/2x -2 B.y=2x-5 C.y=-1/2x-1 D. y=-2x-3
Rzqust [24]

Answer:

option A.

y = (1/2)x - 2

Step-by-step explanation:

It is given that, line that passes through the points (2, –1) and (6, 1)

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 = (1 - -1)/(6 - 2)

 = (1 + 1)/4 = 2/4

 = 1/2

<u>To find the equation of the line</u>

Equation of a line passing through the points (x₁, y₁)  and  slope  m is given by,

(y - y₁)/(x - x) = m

Here (x₁, y₁) = (2, -1) and m = 1/2

(y - -1)/(x - 2) = 1/2

(y + 1) = (x - 2)/2

y = -1 + x/2 - 2/2

  =  -1 + x/2 - 1

 = x/2 - 2

The equation of the line is,

y = (1/2)x - 2

The correct answer is option A.

y = (1/2)x - 2

3 0
3 years ago
Pls help me I need help I will brainlest
topjm [15]

Answer:  7.2

Step-by-step explanation:

4 0
3 years ago
Three married couples go to a movie theater. if they sit together in a row of 6 empty seats, find the probability that each woma
Ganezh [65]

Given are three married couples.

So, let us assume there are 3 men and 3 women

They are sitting in a row of 6 empty seats

There is a definite order constraint that each woman will sit left to her husband. The first woman gets 3 options to choose from 3 available seats. The second woman has two options left as already one seat is filled by the first woman. The last woman has one option left. So, it is 3*2*1

So, number of ways is 3! = 3*2*1 = 6 ways.

5 0
3 years ago
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