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Natasha2012 [34]
3 years ago
15

Solve for x 4x+15=71

Mathematics
2 answers:
Ilya [14]3 years ago
7 0

Answer:

x=14

Step-by-step explanation:

4x +15 =71

4x =71 - 15

4x =56

x=56 :4

x=14

4 ×14 +15 =71

56 +15 =71

71 =71

MaRussiya [10]3 years ago
4 0

Answer: X=14

Step-by-step explanation: Plug 14 in for x. 4*14 equals 56. 56+15 equals 71. and 71=71.

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y = 4

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y = 4

The line will always go along y = 4 and therefore is parallel to the x axis

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The roots of the equation x^2+bx+c=0 are −4 and 2. Find b and Find c
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Since its roots are -4 and 2 and a = 1 [The coefficient of x^2] we know that x^2 + bx + c = (x - (-4)) (x-2)=(x+4)(x-2) = 0. Using the distributive property we get, x^2 + 2x - 8 = 0. By equating coefficients (common strategy for partial fractions and undetermined coefficient method of solving ODE), we get b = 2 and c = -8.

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If x plus y is 70.4 and y equals x times 19, what is the value of y and x
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3 0
3 years ago
de los vecinos de la casa de rosa, 2/7 son rubios y la cuarta parte de estos tienen los ojos azules, sabiendo que hay 6 vecinos
Neko [114]

Queremos encontrar y resolver una ecuación algebraica para encontrar el <u>número de vecinos de la casa de Rosa.</u>

La solución es: La casa de Rosa tiene 84 vecinos.

<em>La información que se nos da es:</em>

  • 2/7 de el número total de vecinos son rubios.
  • La cuarta parte de estos, es decir: (1/4)*(2/7) del número total, tiene ojos azules.
  • Sabemos que hay 6 vecinos con ojos azules.

Si definimos a N como el número total de vecinos, tendremos que:

(1/4)*(1/7)*N = 6

Ahora solo debemos resolver esto para N, para ello multiplicamos por 4 y por 7 en ambos lados:

4*7*(1/4)*(2/7)*N = 4*7*6

2*N = 168

Ahora dividimos por 2 ambos lados:

2*N/2 = N = 168/2 = 84

<u>La casa de Rosa tiene </u><u>84</u><u> vecinos.</u>

<u />

Sí quieres aprender más, puedes leer:

brainly.com/question/15251185

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