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Eva8 [605]
2 years ago
15

Dan buys a car for £900.

Mathematics
1 answer:
joja [24]2 years ago
8 0
Since the car value is worth £900 and it depreciates at a rate of 1.2%, you need multiply the value by 0.012 (1.2% in decimal form) and subtract it by the value of each preceding year.

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The rectangular playground in tim's school is three times as long as it is wide. the area of the playground is 75 square meters.
qwelly [4]
Let x be the width of the playground, then 3x is the length of the 
<span>playground

х * 3х = 75
3x</span>² = 75
x² = 25
x = 5 m (width)
5*3=15 m (length)

Perimeter = 2(5+15) = 2*20 = 40 meters.
8 0
2 years ago
Tristan wants to buy 12 cupcakes. Each cupcake costs $2.40. What is the best estimate for how much money Tristan should bring wi
Alenkasestr [34]

Answer: $28.80

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Suppose you have six people participating in a completely randomized comparative experiment. Three people will receive the treat
Karolina [17]

Answer:

20.

Step-by-step explanation:

This can be solved using combination technique. Since we have to choose 3 out of 6 and their order is not considered. Thus,

6 combination 3

= 6C3

= \frac{6!}{3!*(6-3)!}

= \frac{6*5*4*3!}{3!*3!}

= \frac{6*5*4}{3*2*1}

= \frac{6*5*4}{6}

= 5*4

= 20 ANSWER

3 0
2 years ago
What is the area of a trapezoid with height 5m and bases 8m and 1m.
tankabanditka [31]
Area of a trapezoid:
A = 1/2 * ( b 1 + b 2) *h
b 1 = 8 m,  b 2 = 1 m,  h = 5 m;
A = 1/2*( 8 + 1 ) * 5 = 1/2 * 45 = 22.5
Answer: B ) 22.5 m²
8 0
2 years ago
Read 2 more answers
Ayuda es para mañana El estudiante 1 y el estudiante 2 están a 53 metros, uno del otro. El estudiante 1, desde su posición, ve u
hram777 [196]

Answer:

La opción correcta es;

Estudiante 2, ya que está aproximadamente a 32,39 metros de distancia

Step-by-step explanation:

Los parámetros dados son;

La distancia entre los dos estudiantes = 53 metros

El ángulo medido entre la línea del Estudiante 1 a la caja fuerte y el Estudiante 1 y el Estudiante 2 = 37 °

El ángulo medido entre la línea del Estudiante 2 a la caja fuerte y el Estudiante 2 y el Estudiante 1 = 43 °

Dado que los dos estudiantes y la caja fuerte forman los vértices de un triángulo, tenemos;

Sea θ el ángulo del triángulo opuesto a la distancia entre los dos estudiantes

Por lo tanto;

θ + 43 ° + 37 ° = 180 ° (teorema de suma de ángulos)

θ = 180 ° - (43 ° + 37 °) = 100 °

Por regla del seno, tenemos;

a / (sin (A) = b / sin (B)

Por lo tanto;

53 / (sin (100 °)) = b / (sin (37 °)) = c / (sin (43 °))

Lo que da;

b = (sin (37 °)) × 53 / (sin (100 °)) = 32,39 metros

c = (sin (43 grados)) × 53 / (sin (100 grados)) = 36,7 metros

Por lo tanto, el Estudiante 2 está más cerca, ya que está aproximadamente a 32,39 metros de distancia.

6 0
2 years ago
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