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netineya [11]
3 years ago
14

When using substitution to solve this system of equations, what is the result of the first step?

Mathematics
2 answers:
Korolek [52]3 years ago
4 0

Answer:

Solve. Because now you have only one variable.

Step-by-step explanation:

Allushta [10]3 years ago
3 0

Answer:

The method of solving "by substitution" works by solving one of the equations (you choose which one) for one of the variables (you choose which one), and then plugging this back into the other equation, "substituting" for the chosen variable and solving for the other. Then you back-solve for the first variable.

Step-by-step explanation:

Hope this helps you

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HELPPPPPPPPPPPP PLEASEEEE
marishachu [46]

Answer:

H. 13.5 in²

Step-by-step explanation:

V=LWH/3

V=(3)(3)(4.5)/3

V=13.5 in^{2}

--------------------

hope it helps...

have a great day!!

4 0
3 years ago
Y + 4x = 8 and 5x + 2y = 13
Ivanshal [37]
Y + 4x = 8
y = 8 - 4x
substitute 8 - 4x for y in the other equation.
5x + 2(8 - 4x) = 13
5x + 16 - 8x = 13
-3x = -3
x = 1
y = 8 - 4(1) = 4
4 0
3 years ago
0.008 is 1 tenth of what decimal
shepuryov [24]
0.08, Hope it helped
3 0
3 years ago
The probability that a region prone to hurricanes will be hit by a hurricane in any single year is 0.1 and independent of other
ludmilkaskok [199]

Answer:

0.40951  

Step-by-step explanation:

P(none in five years)   = 1 - 0.1 = 0.9

P(at least one) = 1 - P(none in five years)

= 1 - 0.9^{5}

= 1 - 0.59049

= 0.40951

So the probability of a hurricane hit at least once in the next 5 years is  0.40951  

8 0
3 years ago
What values of x and y simultaneously satisfy the two equations given?
just olya [345]

9514 1404 393

Answer:

  (x, y) = (3, 3)

Step-by-step explanation:

The two expressions for y can be set equal:

  2x -3 = 1/3x +2

  5/3x = 5 . . . . . . add 5 -1/3x

  x = 3 . . . . . . . . . multiply by 3/5

  y = 2(3) -3 = 3 . . . find y using the first equation

The solution to the system of equations is (x, y) = (3, 3).

3 0
3 years ago
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