3 years ago

Solving system by graphing y= -5/3x+3 y=1/3x-3

Mathematics

1 answer:

choli [55]3 years ago

4 0

the point of intersection on the graph are (3,-2)

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-4r + 1 = -2r - 17 a. 9 b. 11 c. -18 d. -16

alukav5142 [94]

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3 years ago

Steve buys 2 lb of grapefruit and 3 lb of oranges for $7.20. Kennedy buys 4 lb of grapefruit and 2 lb of oranges for $8.80. Let

MrMuchimi

Answer: $\left \{ {{2x+3y=7.20} \atop {4x+2y=8.80}} \right.$

Step-by-step explanation:

Let be "x" the price per pound for grapefruit, "y" the price per pound for oranges.

We know that Steve buys 2 pounds of grapefruit and 3 of oranges for $7.20.

This means that the sum of the products of $2x$ and $3y$ is $7.20. Then, we can write this equation to represent it:

$2x+3y=7.20$

Kennedy buys 4 pounds of grapefruit and 2 pounds of oranges for $8.80.

This means that the sum of the products of $4x$ and $2y$ is $8.80. Then, we can write this equation to represent this:

$4x+2y=8.80$

Therefore, we get that the system of equations that models the situation is:

$\left \{ {{2x+3y=7.20} \atop {4x+2y=8.80}} \right.$

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3 years ago

Multiply: (x−5)(x−7) A x2−12x+35 B x2+2x+35 C x2+35 D x2+35x−12

ioda

Answer:

x^2 -12x+35

Step-by-step explanation:

(x−5)(x−7)

FOIL

first x*x = x^2

outer -7x

inner -5x

last -7*-5 = 35

Add them together

x^2 -7x-5x +35

x^2 -12x+35

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3 years ago

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