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DedPeter [7]
2 years ago
10

Solve the system of linear equations by substitution. y=-2+4x y=4+6x

Mathematics
1 answer:
r-ruslan [8.4K]2 years ago
7 0

Answer:

x = -3

y = -14

Step-by-step explanation:

4 + 6x = -2 + 4x

6x - 4x = -2 - 4

2x = -6

x = -3

y = -2 + 4(-3)

y = -14

y = 4 + 6(-3)

y = -14

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The shoes still have a marginal cost of 25$. You want to earn a profit, so you bathe a price of what
Crank

Answer:

12

Step-by-step explanation:

4 0
3 years ago
La figura mostrada se dividió en tres partes iguales para calcular su área.
levacccp [35]

Answer:

El área de un rectángulo de largo L y ancho A es: L*A.

El área de un triangulo de alto H y base B es: H*B/2.

Ahora veamos las tres figuras:

Rectángulo amarillo:

Largo = 40m

Ancho = 45m

Área = 40m*45m = 1800 m^2

Rectángulo blanco:

Largo = 40m

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Área = 40m*35m = 1400m^2

Triangulo azul:

Base = 35m

Alto = 50m

Área = 35m*50m/2 = 875m^2

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8 0
4 years ago
What is the measure of
Nat2105 [25]

Answer:

24

Step-by-step explanation:

180-156=24

5 0
3 years ago
Read 2 more answers
If y = 2x2 - 3x - 10, then x = 0 is a counterexample for which conjecture?
timama [110]
Here's all I can think of:

f(0) = -10.  This is the y-intercept of this parabolic graph.  This point is (0,-10).

If you were to find the inverse of f(x), then (-10,0) would be on the graph.
6 0
3 years ago
(NO LINKS)
Harlamova29_29 [7]

Answer:

x = 5 pens

y = 7 pencils

Step-by-step explanation:

let

x = the number of pens

y = the number of pencils

Anthony spent $2.80 to buy a total of 12 pens and pencils

0.35x + 0.15y = 2.80

x + y = 12

by solving the system of equations

0.35x + 0.15y = 2.80

x + y = 12

we find

x = 5 pens

y = 7 pencils

6 0
3 years ago
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