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makkiz [27]
3 years ago
13

Which is the best approximation for the solution of the system of equations? y = x + 1 y = 3x – 2

Mathematics
2 answers:
Jlenok [28]3 years ago
8 0
B. (0.88,0.65) would be the closest approximation for this system of these choices.
Goshia [24]3 years ago
4 0

The given equations are  y = x + 1and y = 3x – 2

Substituting y value in equation 1 from 2 we have :

3x-2=x+1

Subtracting x both sides

3x-x-2=1

2x-2=1.

Adding 2 both sides

2x=3

Dividing by 2

x=1.5.

Substituting x value in y=x+1

y=1.5+1.

y=2.5.

Solution is (1.5,2.5)

The approximate solution  is B. (0.88, 0.65)

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50 cases in 44 minutes equals how many cases in 60 minutes
Blizzard [7]
To solve this, set up a proportion, crossmultiply, and solve for x. 

Let x = the unknown amount of cases in 60 minutes.

\frac{50}{44} = \frac{x}{60}
44x = 50(60)
44x = 3000

Divide both sides by 44 to isolate variable x
x = 3000 / 44
x ≈ 68.1818 (the 18s repeat forever)

Rounding to the closest case and assuming the rate stays constant, you would get approximately 68 cases in 60 minutes. If you need not round to the nearest case, you would get approximately 68.18 cases in 60 minutes. 
4 0
3 years ago
If m=36 cm and n=37cm, what is the length of n?
Nady [450]
N = 37 cm because it already said it in the question.
5 0
3 years ago
A triangle has two sides of lengths 6 and 9. What value could the length of the third side be?
Diano4ka-milaya [45]

The sum of the lengths of two sides of a triangle must always be less than or equal to the third side. So, if we let the third side be x, we have:

\begin{cases}6+x\geq9\\x+9\geq6\\6+9\geq x\end{cases} \iff \begin{cases}x\geq3\\x\geq -3\\x\leq 15\end{cases} \iff \begin{cases}x\geq3\\x\leq 15\end{cases}

4 0
3 years ago
If correct will mark brainliest!!!!
g100num [7]

What's the question--?

6 0
3 years ago
If two lines are parallel and they are defined by the equations, y=4x-5 and y=ax+2, what is the value of a?
tino4ka555 [31]

Answer:

a=\dfrac{4x-7}{x}

Step-by-step explanation:

The equations of lines are :

y=4x-5 and y=ax+2

From above equations,

4x-5 = ax+2

4x-ax = 5+2

4x-7 = ax

a=\dfrac{4x-7}{x}

So, the value of a is equal to \dfrac{4x-7}{x}.

6 0
3 years ago
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