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Drupady [299]
3 years ago
10

I need it quickly…….

Mathematics
2 answers:
Thepotemich [5.8K]3 years ago
6 0

Answer:

I think it's A.

kirill [66]3 years ago
4 0
Yep he or she is right have a nice day
You might be interested in
Use the substitution method to solve the system of equations. Choose the correct ordered pair.
motikmotik
Ur gonna have to pick an equation and solve for a variable.

2x - 2y = 6
2x = 2y + 6 ...divide everything by 2 because u want x by itself
x = y + 3

now we sub y + 3 in for x in the other equation
14x - 2y = 78
14(y + 3) - 2y = 78...distribute thru the parenthesis
14y + 42 - 2y = 78...subtract 42 from both sides, cancelling the 42 on the left
        -42          -42
-----------------------
14y - 2y = 36 ...simplify
12y = 36...divide by 12 on both sides, cancelling out the 12 on the left
y = 36/12
y = 3

now , we already know that x = y + 3...and we know y = 3...so sub in 3 for y and solve for x
x = y + 3
x = 3 + 3
x = 6

solution is (6,3)

it is always a good idea to check ur answer by subbing it into one or both of the equations to see if it is correct
2x - 2y = 6......(6,3)...x = 6 and y = 3
2(6) - 2(3) = 6
12 - 6 = 6
6 = 6 (correct)

so yes, ur solution is (6,3)
4 0
3 years ago
Read 2 more answers
Plz help me!!<br><br> Step by step to understand the answer plz
Doss [256]

Answer:

2/3

Step-by-step explanation:

so the inverse takes us from the range to the domain... they tell us that  f(4) goes to 5.. so if we were to take the inverse  f\left \[-1} \atop(5)  it takes us back to 4... and the slope at 4 or the derivative was 2/3 so that's what we get for f\left \ {{-1} \atop '(5)  :)

6 0
3 years ago
Marty drew a model of the school library, the total area of the floor is 132 square centimeters, What is the area of the shaded
dlinn [17]

Answer:

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
SOMEONE HELP ME PLEASE
Novay_Z [31]
Y - 5 = -1/2(x-1)

hope this helps!
3 0
3 years ago
Plz help me with this question!! Giving 10 points!
BartSMP [9]
Add the number and that should be your numbers
8 0
3 years ago
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