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vovangra [49]
3 years ago
8

Solve the system of equations using substitution y=-4x+5 y=3x-16

Mathematics
1 answer:
Makovka662 [10]3 years ago
4 0

Answer:

(7 -7)

Step-by-step explanation:

Y= -4x +5-----------1

Y= 3x -16----------2

Y-5= 4x

X= (y-5)/4

Substitute in (eqn 2)

( tired )

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c

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only 2 students were asked the question, 2 students don't represent the whole population

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3 years ago
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You have to multiply 3 times 2= 6 + 4 = 10 so the answer is 10 I hope this help...
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3 years ago
Make x the subject of the formula 3 b ( 2 x − a 2 ) = 5 d − 7 g x
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Answer:

<h2>x=\frac{5d+6ba}{6b+7g}</h2>

Step-by-step explanation:

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2 years ago
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6÷4(7+8)= 8-6(4+9)= 4÷8(9+3)=​
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Answer:

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Step-by-step explanation:

<h2>6÷4(7+8)</h2><h3>= 6÷4(15)</h3><h3>= 1,5 × 15</h3><h3>= 22,5</h3>

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7 0
2 years ago
Un medico receta a un paciente tomar una pastilla cada 6 horas y un jarabe cada 8 horas. Si
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Queremos ver cuando será la proxima vez que una persona <u>tome dos medicamentos al mismo tiempo</u> dado que los toma en intervalos regulares.

Veremos que luego de 24 horas el paciente volvera a tomar ambos medicamentos juntos.

Sabemos que el paciente toma una pastilla cada 6 horas y un jarabe cada 8 horas.

El paciente volvera a tomar ambos medicamentos juntos en el primer multiplo comun de 6 y 8.

Para encontrarlo podemos simplemente escribir los multiplos de cada uno y ver cual es el primero que aparece para ambos números:

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y

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Esto significa que luego de 24 horas el paciente volvera a tomar ambos medicamentos juntos.

Sí quieres aprender más, puedes leer:

brainly.com/question/21476724

3 0
2 years ago
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