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Ivanshal [37]
2 years ago
12

Solve the system of linear equations. separate the x- and y- values with a coma. -5x+6y=33 -18x+4y=-22

Mathematics
1 answer:
Pavel [41]2 years ago
4 0
I hope I can help you:)

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Answer:

The answer is 18 cm.

Step-by-step explanation:

Just multiply 6 by 3.

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3 years ago
A.6/5 divided by -3/2
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A is -12/15 (4/5)
B is 35/12
C is 56
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5. Find the value of x that makes BC || DE.
s344n2d4d5 [400]

Answer:

x = -7

Step-by-step explanation:

To find the value of x, you need to set up a proportion:

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Then cross multiply:

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8 0
3 years ago
Al obtener el valor de lo que costará la fiesta de graduación para tu grupo te das cuenta que el lugar que decidieron alquilar p
dybincka [34]

Explicación paso a paso:

Debemos buscar el costo de cada boleto y la cantidad de personas que deben ir.

Dada la función que da forma al comportamiento expresado como;

f (x) = (-2x) ^ 2 + 80x + 300 donde;

x es el costo de cada boleto

f (x) es el número de personas que deben ir

Para obtener x, usaremos la expresión;

x = -b / 2a

De la ecuación cuadrática dada, a = -2, b = 80 yc = 300

Sustituir;

x = -80/2 (-2)

x = -80 / -4

x = 80/4

x = 20

Por lo tanto, el boleto cuesta $ 20.

Lo siguiente es obtener la cantidad de personas que deben ir. Para conseguirlo, sustituiremos x = 20 en la expresión modelada como se muestra;

f (x) = (-2x) ^ 2 + 80x + 300

f (20) = (-2 (20)) ^ 2 + 80 (20) +300

f (20) = (-40) ^ 2 + 1600 + 300

f (20) = 1600 + 1600 + 300

f (20) = 3500

Por lo tanto, 3500 personas tienen que ir

8 0
3 years ago
Identify whether the following
erik [133]
It opens downwards so it looks like this “n”. That is because a in the formula is a negative number in this situation
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2 years ago
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