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Artemon [7]
3 years ago
8

The minute hand of a clock is 15 cm long how far does the tip of the minute and travel in 20 minutes

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
4 0
20 mins means the hand moves 120 degrees around the clock.

The formula to find the arc length is 2pi×r×a/360

2×pi×15×1/3=30pi×1/3=10pi

so i think the answer would be 10 pi cm
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What is -5(-2) equal to
PtichkaEL [24]

Step-by-step explanation:

10

I think this should be the answer

3 0
3 years ago
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5000 people attend 1 movie each in one week. Regular show ticket is $9.50 and matinee tickets are $7. The total amount spent was
yuradex [85]

Answer:

1400

Step-by-step explanation:

Given: Cost of Regular ticket = $9.50

          Cost of Matinee tickets= $7

          Total number of people= 5000

          Total spending in watching movie= $44000.

Lets assume total number of people attended matinee be "x".

∴ Number of people attended Regualr show= (5000-x)

We know, total cost= Price\ of\ each\ ticket \times number\ of\ people

Now, forming an equation to show total spending on tickets.

⇒ \$ 9.50(5000-x)+ \$ 7x= \$ 44000

Using distributive property of multiplication to multiply 9.50 with 5000 and -x.

⇒ 47500-9.50x+7x= 44000

⇒ 47500-2.5x= 44000

Adding both side by 2.5x

⇒ 47500 = 44000 + 2.5x

subtracting both side by 44000

⇒ 3500= 2.5x

Dividing both side by 2.5

⇒x= \frac{3500}{2.5}

∴x= 1400

Hence, number of people attended the matinee show are 1400.

7 0
3 years ago
a bill to landscape your yard is $720. the material cost $375 and the labor is $34.50 per hour . Write and solve an equation to
Tom [10]

Answer: 10 hours


Explanation:

Bill = $720

Material = $375

Labour = $34.50x


375 + 34.5x = 720

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x =10

6 0
4 years ago
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babymother [125]

Answer:

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Step-by-step explanation:

Evaluate the function. f(x) = 4x2 + 4x - 4 Find f(3)​

f(3) = 4 x 2 + 4(3) - 4

After this step conduct PEMDAS

f(3) = 4 x 2 + 12 - 4

f(3) = 8 + 12 - 4

f(3) = 20 - 4

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8 0
3 years ago
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Stells [14]

Answer:

A

Step-by-step explanation:

His commision was 0.06(160000-20000) = $8400.

His salary was $10,000.

His bonus was $500.

Adding these together, we get $18,900.

3 0
2 years ago
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