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balandron [24]
3 years ago
6

ryan takes a 30 centimeter by 72 centimeter sheet of paper and cuts from one corner of the paper to diagonally opposite corner.

Now Ryan has two identical triangles. what is the perimeter of each triangle? if necessary round ro the nearest tenth
Mathematics
2 answers:
Svetach [21]3 years ago
4 0
The answer is 178 you welcome
nikklg [1K]3 years ago
3 0

Answer:

178

Step-by-step explanation:

Use Pythagorean Theorem to find the Hypotenuse

30^2+72^2=78^2

Use perimeter formula

a+b+c

38+72+30

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La barbería El Caleño, tiene en promedio 120 clientes a la semana a
Luba_88 [7]

Queremos maximizar el precio de tal forma que los ingresos no disminuyan.

Ese maximo precio es: $14,040.6

Sabemos que actualmente el precio es:

p = $6,000

El número de clientes es:

C = 120

Actualmente los ingresos son el producto de esos dos números, es decir:

ingresos = $6,000*120 = $720,000

Ahora sabemos que por cada incremento de $700 en el precio, el número de clientes decrece en 10.

Entonces podemos escribir el número de clientes como una ecuación lineal.

C(p) = a*p + b

tal que tenemos dos puntos en esa linea:

($6,000, 120)

($6,700, 110)

La pendiente es:

a = \frac{110 - 120}{\$6,700 - \$6,000} = \frac{-10}{\$ 700}

Entonces tenemos:

C(p) = (-10/$700)*p + b

Sabemos que:

C($6,000) = 120 = (-10/$700)*$6,000 + b

                     120 = -85.71 + b

                     120 + 85.71 = b =

Entonces la ecuación lineal es:

C(p) = (-10/$700)*p + 205.71

Los ingresos serán dados por:

ingresos = C(p)*p = (-10/$700)*p^2 + 205.71*p

Y queremos maximizar p de tal forma que esto sea igual a lo que obtuvimos antes:

(-10/$700)*p^2 + 205.71*p = $720,000

Entonces debemos resolver la ecuación cuadratica:

(-10/$700)*p^2 + 205.71*p - $720,000 = 0.

Las soluciones son dadas por la formula de Bhaskara.

p = \frac{-205.71 \pm \sqrt{(205.71)^2 - 4*(-10/\$ 700)*\$ 720,000} }{2*(-10/\$ 700)} \\\\p = \frac{-205.71 \pm 195.45}{(-20/\$ 700)}

La solución de maximo valor es:

p = (-205.71 - 195.45)/(-20/$700) = $14,040.6

Sí quieres aprender más, puedes leer.

brainly.com/question/8926135

7 0
2 years ago
you should spend one week worth of pay on rent. she makes 32,000 a year. what is max she should spend
deff fn [24]

Hi!


We know she makes $32,000 a year, but we need to know how much she makes in a week. Which leads us to the question,"How many weeks are in a year?".


There are about 52 weeks in a year.


To found out how much money she makes per week, divide.


money per week

32000/52 = 615.384615


I'm not sure if they want you to round up, or round down, or what, but the exact answer is 615.384615.


Hope this helps! :) -Peredhel

8 0
3 years ago
Kate has a serving account that contains $230. She decides to deposit $5 each month from her monthly earnings for baby-sitting a
Sladkaya [172]
Y=5x+230

after 1 year she will have $290
6 0
3 years ago
Read 2 more answers
Solve by using elimination or substitution. You must show all your work for credit.
RoseWind [281]

Answer:

Step-by-step explanation:

7 0
2 years ago
4) What is the slope of the line graphed by the equation y = (-⅓)x - 3?
snow_lady [41]
SImple,

this line is in the form of y=mx+b..which means that m=slope and b=y-intercept..

Thus, the slope for this line is.... -\frac{1}{3}

Thus, your answer, A.
3 0
3 years ago
Read 2 more answers
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