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sineoko [7]
2 years ago
5

Pls help will mark brainliest, no fake answers

Mathematics
1 answer:
raketka [301]2 years ago
5 0

Answer: Refer to Below

Step-by-step explanation:

<h2><u>PART 1: Write an expression to model the total cost</u></h2>

<u>Given information</u>

Php 2,000 activation fee

Php 1,500 monthly fee

<u>Analysis of given information</u>

Activation fee: the amount of money to start a charge (i.e. Let's say if there is a membership, then this fee would be the same as having a card of membership)

Monthly fee: the amount of money that would be charged monthly (i.e. Let's say if there is a membership, then this fee would be the amount of money that you would need to pay for maintenance every month)

<u>Set variable according to the given information</u>

Let x be the number of months for the membership

<u>Write expression with the given information and the variable</u>

Cost = Monthly fee × Number of months + Activation fee

\boxed{C = 1500x + 2000}

<h2><u>PART 2: Evaluate the expression for 1 to 6 months of membership</u></h2>

**Information** Since we have already written the expression in [PART 1] and defined the number of months as [x], we are going to substitute the given number of months into the expression.

<u>Given information</u>

Number of months = 1, 2, 3, 4, 5, 6

<u>Written expression from [PART 1]</u>

C = 1500x + 2000

<u>Substitute values into the expression</u>

1 month = 1500 (1) + 2000 = \boxed{Php 3500}

2 months = 1500 (2) + 2000 = \boxed{Php 5000}

3 months = 1500 (3) + 2000 = \boxed{Php 6500}

4 months = 1500 (4) + 2000 = \boxed{Php 8000}

5 months = 1500 (5) + 2000 = \boxed{Php 9500}

6 months = 1500 (6) + 2000 = \boxed{Php 11000}

Hope this helps!! :)

Please let me know if you have any questions

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quester [9]

Step-by-step explanation:

Mx+B=y

B=y-Mx

Ax+By=C

Ax=C-By

Ax/A=C-By/A

x=C-By/A

Bh/2=A

2 x Bh/2=A x 2

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Bh/B=2A/B

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3 years ago
BRAINLIEST AND 50 POINTS
lilavasa [31]

Answer:

P ( blue ) =  1/4

P ( white ) =  5/12

P ( red ) = 1/3

P ( not red ) =  2/3

Step-by-step explanation:

To find the probability of a marble being chosen,  it is the number of that color over the total

We need to find the total number of marbles

4 red+ 5 white+3 blue = 12 marbles

P ( blue ) = 3 blue / 12 total = 3/12 = 1/4

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P ( red ) = 4 red/ 12 total = 4/12 = 1/3


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3 years ago
the length of a tangent from a point a at distance 5 cm from the centre of the circle is 4 cm find the radius of the circle ​
Semenov [28]

The radius of the circle is 3 cm.

<u>Step-by-step explanation:</u>

Refer the attached diagram, the circle with centre O. In that given, AB is tangent given as 4 cm and distance of point from the circle, OA = 5 cm

As AB is tangent, OB (radius of circle) is perpendicular to AB (tangent at any point of circle). Therefore the angle of OBA is 90 degree.

Also, triangle OAB is a right angled triangle (refer attached diagram). By using Pythagoras theorem in right angled triangle,

             (\text {Hypotenuse})^{2}=(\text {Height})^{2}+(\text {Base})^{2}

             (O A)^{2}=(O B)^{2}+(A B)^{2}

Substitute the given values in the above expression, we get

             (5)^{2}=(O B)^{2}+(4)^{2}

             (O B)^{2}=25-16=9

Taking square root on both side, we get

              Radius of the circle, OB = 3 cm

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3 years ago
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Masteriza [31]

Answer:

  • See below

Step-by-step explanation:

<u>Given equation:</u>

  • x² + y² + 8x - 4y - 7 = 0

<u>Convert this to standard form by completing the square:</u>

  • (x - h)² + (y - k)² = r², where (h, k) - center, r - radius
  • x² + 2*4x + 4² + y² - 2*2y + 2² - 16 - 4 - 7 = 0
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luda_lava [24]

La altura del triangulo está dada por el polinomio:

p(x) = a + 4

<h3></h3><h3>¿Cual es la altura del triangulo?</h3>

Recordar que para un triangulo de base B y altura H, el area es

A = B*H/2

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Y el area es A = 2a^3 + 8a^2 +3a +12

Entoces la altura será un polinomio tal que:

P(a)*(4*a^2 + 6)/2 = 2a^3 + 8a^2 +3a +12

P(a)*(4*a^2 + 6) = 2*(2a^3 + 8a^2 +3a +12) = 4a^3 + 16a^2 + 6a + 24

Podemos ver que p(a) va a ser un polinomio de grado 1, entonces:

p(a) = (c*a + b)

Reemplazando eso:

(c*a + b)*(4*a^2 + 6) = 4a^3 + 16a^2 + 6a + 24

Expandiendo:

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Comparando terminos del mismo exponente, podemos ver que:

(4c) = 4

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4b = 16

6b = 24

Resolviendo esas ecuaciones para c y b, podemos ver que:

b = 16/4 = 4

c = 4/4 = 1

Entonces la altura del triangulo está dada por el polinomio:

p(x) = a + 4

Sí quieres aprender más sober polinomios:

https://brainly.lat/tarea/17903571

#SPJ1

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