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nikdorinn [45]
3 years ago
10

(take π=22/7). height of trapezium with parallel sides 6cm and 8cm and 63cm2.​

Mathematics
1 answer:
Nataly_w [17]3 years ago
5 0

Answer:

Circumference = 39.6 cm

We know:

Circumference of a circle = 2πr

⇒39.6 =2×

22

7

×r⇒

39.6×7

2×22

=r⇒r=6.3 cm

Also,

Area of the circle = πr2

=

22

7

×6.3×6.3=124.74 cm2

Step-by-step explanation:

<em>#</em><em>C</em><em>arryOnLearning</em>

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Regular price : $120, discount percent : 15%
Naddik [55]

Answer:

$102.00

Step-by-step explanation:

$120.00 x .15=$18.00

$120.00 - $18.00=$102.00

7 0
3 years ago
Multiply. Write the product as one power. a to the 8th power x a to the 5th power.
Hatshy [7]
\bf a^8\cdot a^5\impliedby \textit{same base \underline{a}, add the exponents}\implies a^{8+5}\implies a^{13}
6 0
3 years ago
en una carrera de 5 vueltas de la F1 online el jugador 1 consigue un tiempo de 2,32 minutos y el jugador 2 consigue 18 segundos
Svet_ta [14]

Answer:

La diferencia del tiempo total de carrera entre el jugador 1 y 2 es 0.0\overline 3 minutos

Step-by-step explanation:

Primera vuelta;

El tiempo de vuelta del jugador 1 = 2,32 minutos

El tiempo de vuelta del jugador 2 = 18 segundos más que el del jugador 1

Por lo tanto, el tiempo de vuelta del jugador 2 = (2,32 + 18/60) minutos = 2,62 minutos

Segunda vuelta

El tiempo de vuelta del jugador 1 = 2,52 minutos

El tiempo de vuelta del jugador 2 = 20 segundos menos que el del jugador 1

Por lo tanto, el tiempo de vuelta del jugador 2 = (2.52 - 20/60) minutos = 2.18\overline 6 minutos

Tercera vuelta

El tiempo de vuelta del jugador 1 = 2,18 minutos

El tiempo de vuelta del jugador 2 = 2,18 minutos

El tiempo de vuelta total del jugador 1 = (2,32 + 2,52 + 2,18) minutos = 7,02 minutos

El tiempo de vuelta total del jugador 2 = (2,62 + 164/75 + 2,18) minutos = 524/75 minutos = 6.98\overline 6 minutos

La diferencia del tiempo total de carrera = (7.02 - 524/75) minutos = (1/30) minutos = 0.0\overline 3 minutos

5 0
3 years ago
Need help asap please!!
tamaranim1 [39]

Answer:

A) 40 + d

B) 45 days

Step-by-step explanation:

A)

total cost = (cost of the air conditioner itself) + (money charged per day)*(days)

cost of air conditioner itself = $40

money charged per day = $1

days = d

40 + 1*d

= 40 + d

B)

total cost = 40 + d

total cost = $85

85 = 40 + d

45 = d

Time used the air conditioner for 45 days.

6 0
3 years ago
A local farm has a 0.5 acre field that was planted with 26,100 corn plants. One acre is equivalent to 43,500 square feet. Assumi
lbvjy [14]

Answer:

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Step-by-step explanation:

80,000/43500 = 1.84

1.84/0.5 = 3.678

3.678 x 26100 = 96000

3 0
3 years ago
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