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bonufazy [111]
3 years ago
6

If p = 2q2 - 5 and q = 10 – 3r, find a. p when r equals 2 2 b. r when p equals 67

Mathematics
1 answer:
Digiron [165]3 years ago
4 0
B.........................
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Find the equation for a parabola if the vertex is 6,9
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The equation for a parabola with vertex (h, k) and vertical scale factor "a" is
  y = a(x -h)² + k

One parabola with vertex (6, 9) is
  y = (x-6)² +9

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Last month, when Joe took his puppy to the veterinarian, the puppy weighed 4.8 pounds. This month, the puppy weighed 6.72 pounds
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Step-by-step explanation:

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1. Write the following sentence as an equation: the product of w and 15 is 165.
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W+15=165
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6 0
2 years ago
Find the value of x in the diagram below.
dsp73

Answer:

x = 31

Step-by-step explanation:

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5 0
2 years ago
7) Una epidemia mató los 3/7 de las vacas de un granero y de las que le quedaron vendió 1/2. Si todavía le quedaron 24 vacas, ¿C
4vir4ik [10]

Answer:

Habían inicialmente 84 vacas. Murieron 36 vacas. 24 vacas fueron vendidas.

Step-by-step explanation:

Sea x la cantidad inicial de vacas. De acuerdo con el enunciado, murieron tres séptimos de la cantidad inicial y la mitad de ese remanente fue vendida, quedando 24 vacas. Matemáticamente, tenemos las siguientes operaciones:

Cantidad inicial de vacas

x = \frac{24}{\left(1-\frac{3}{7} \right)\cdot \left(1-\frac{1}{2} \right)}

x = 84

Habían inicialmente 84 vacas.

Cantidad de vacas muertas

y = \frac{3}{7}\cdot x

y = 36

Murieron 36 vacas.

Cantidad de vacas vendidas

z = \left(1-\frac{3}{7} \right)\cdot \frac{1}{2}\cdot x

z = 24

24 vacas fueron vendidas.

8 0
3 years ago
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