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Sergeeva-Olga [200]
3 years ago
15

I need help with this question pls

Mathematics
1 answer:
slamgirl [31]3 years ago
3 0

Answer:

arc length formula :

Arc length = radius x central angle in radians.

Answer you seek : is 2 or B : pie inches

Step-by-step explanation:

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(a) Write 7.97 x 10 ^-6 as an ordinary number.
Vaselesa [24]

Answer:

0.00000797

Step-by-step explanation:

3 0
11 months ago
Identify a possible first step using the elimination method to solve the system and then find the solution to the system.
olchik [2.2K]

Answer:x = 1

y = 1

Step-by-step explanation:

The given system of simultaneous equations is expressed as

3x - 5y = - 2 - - - - - - - - - - - - 1

2x + y = 3 - - - - - - - - - - - - - 2

The first step is to decide on which variable to eliminate. Let us eliminate x. Then we would multiply both rows by numbers which would make the coefficients of x to be equal in both rows.

Multiplying equation 1 by 2 and equation 2 by 3, it becomes

6x - 10y = - 4

6x + 3y = 9

Subtracting, it becomes

- 13y = - 13

y = - 13/- 13 = 1

The next step is to substitute y = 1 into any of the equations to determine x.

Substituting y = 1 into equation 2, it becomes

2x + 1 = 3

2x = 3 - 1 = 2

x = 2/2 = 1

8 0
2 years ago
X - y = 6
Dominik [7]

the system has no solution.

Option C is correct.

Step-by-step explanation:

We need to solve the system of equations by substitution

x - y = 6\,\,\,eq(1)\\x = y + 2\,\,\,eq(2)

Putting value of x from eq(2) into eq(1)

(y+2)-y=6\\y+2-y=6\\0+2=6\\0=6-2\\0\neq4

As as 0≠4is not true, we cannot find the value of y so the system has no solution.

Option C is correct.

Keywords: System of equations

Learn more about system of equations at:

  • brainly.com/question/7490805
  • brainly.com/question/9045597
  • brainly.com/question/13168205

#learnwithBrainly

4 0
3 years ago
Ahat contains pieces of paper marked with the numbers 1 through 16. Is the
Anika [276]

Answer:as likely as not

Step-by-step explanation:

3 0
2 years ago
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Zina solves a system of linear equations by elimination and finds a solution of (2, 2). One of the equations is a + b = 4. What
Dima020 [189]

Answer:

Option D

a+3b=8

6 0
3 years ago
Read 2 more answers
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