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BigorU [14]
3 years ago
10

Will mark brainliest, worth 60 points

Mathematics
2 answers:
mrs_skeptik [129]3 years ago
6 0
21 is c
22 is b
23 is a
Ostrovityanka [42]3 years ago
3 0

Answer:

21 is option 3

22 is option 3

23 is option 1

Step-by-step explanation:

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Solve the system of equations
nekit [7.7K]

Answer: x = 3 and y = 1

Step-by-step explanation:

y = - x + 4 ............... equation 1

y = x - 2 ............. equation 2

Solving the linear equation by substitution method , we have :

substitute equation 2 into equation 1 , that is

x - 2 = - x + 4

Add 2 to both sides , we have

x = -x + 4 + 2

Add x to both sides , we have

2x = 6

divide through by 2

x = 3

Substitute x = 3 into equation 2 to find the value of y , we have

y = x - 2

y = 3 - 2

y = 1

Therefore : x = 3 and y = 1

8 0
3 years ago
Find the solution of y = 6x + 1 for x = 5.
user100 [1]
Y=6x+1
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4 0
3 years ago
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Evaluate the expression
lora16 [44]
The correct answer is B=4
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N this assignment, you will explore how to find the number of different species of fish in a pond by looking at a random sample
emmasim [6.3K]

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Step-by-step explanation:

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3 years ago
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Answer:

3/5???

Step-by-step explanation:

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