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german
3 years ago
6

Which of the following does NOT describe x - 42

Mathematics
1 answer:
geniusboy [140]3 years ago
7 0

Answer:

4 less than x

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???? please help lol
kow [346]

Answer:

  1. 150π ft²
  2. 10π ft.

Step-by-step explanation:

Area of the sector :

Area (sector) = \pi r^{2} \times \frac{\theta}{360^{o}}

Finding the area given r = 30 ft. and θ = 60° :

⇒ Area = π × (30)² × 60/360

⇒ Area = π × 900/6

⇒ Area = 150π ft²

===========================================================

Length of the arc :

Length (arc) =2 \pi r} \times \frac{\theta}{360^{o}}

Finding the arc length given r = 30 ft. and θ = 60° :

⇒ Arc Length = 2 × π × 30 × 60/360

⇒ Arc Length = 60/6 × π

⇒ Arc Length = 10π ft.

7 0
1 year ago
Read 2 more answers
Lawrence wants to drive from Durban to Johannesburg 550km. If he travels at an average speed of 100km/hr, how long does he tale
Dafna1 [17]

Answer:

5.5hr

Step-by-step explanation:

Distance=550Km

Speed=100Km/hr

Speed=(Distance/Time)

Time=(Distance/Speed)

Time=550/100=5.5hr

8 0
3 years ago
Read 2 more answers
William bought some tickets to see his favorite singer. He bought some adult tickets and some children tickets, for a total of 1
Viefleur [7K]
Hello!

Let 'a' stand for adult tickets and 'c' for children tickets.

a + c = 15

(Both adult and children tickets make up a total of 15 tickets).

30a + 20c = 330

a = 3

c = 12

A N S W E R:

William bought 3 adults tickets and 12 children's tickets.

5 0
3 years ago
Find the value of x, if f(x)=3x-15 when f(x)=30​
musickatia [10]

Answer:

f(30)= 75

Step-by-step explanation:

3(30)-15

90-15

75

8 0
2 years ago
Circle has a radius of 6 cm.
coldgirl [10]

Answer:

  • d=2r
  • d=2×6
  • d=12
  • circumference =2×pie×r
  • =2×22/7×6
  • 37.71
  • SO 37 is the ans
3 0
2 years ago
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