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Sergio039 [100]
2 years ago
15

What is the area of the sector

Mathematics
1 answer:
Sindrei [870]2 years ago
8 0

Answer:

OC. 39.3 cm²

Step-by-step explanation:

Area of a circle = πr²    (π ≈ 3.14)

45 degrees = 1/8 of a full circle

Area of the full circle : 3.14 × 10² =

3.14 × 100 = 314 cm²

Area of the sector : 314 × 1/8 = 39.25 cm² ≈ 39.3 cm²

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The population of New Town is increasing by 6% a year.
scoray [572]

Answer:

After population (A) = 62,902 (Approx)

Step-by-step explanation:

Given:

Current population (P) = 19613

Number of years (n) = 2020 - 2000 = 20 year

Rate of growth (r) = 6% = 0.06

Find:

After population (A)

Computation:

After\ population (A) = Current\ population (P)[1+r]^n \\\\After\ population (A) = 19613[1+0.06]^{20} \\\\After\ population (A) = 19613[1.06]^{20} \\\\After\ population (A) = 62,901.548

3 0
3 years ago
A group of climbers begin climbing at an elevation of 5000 feet and ascend at a steady rate of 1500 vertical feet per hour. This
KatRina [158]

Answer:

Linear function:y=1500x+5000

x- Independent variable

y- Dependent variable

Step-by-step explanation:

We are given that

Climbers start climbing at an elevation of height =5000 ft

The steady rate at which climbers start climbing=1500 ft/h

We have to find the independent variable and dependent variable.

Let time taken by climbers=x hours

In 1 hour, climbers cover distance =1500 ft

In x hours , climber cover distance=1500x ft

According to question

The total distance y covered by climber in x hours

y=1500x+5000

This is required linear function.

We can see that

x does not depend on any other quantity.Therefore, x is independent variable .

When the value of x changes then the value of y is also change.

It means the value of y depends on the value of x.

Therefore, y is dependent variable.

8 0
3 years ago
1. Name the angle below in four ways. Then classify it as acute, right, obruse, or straight.
Yanka [14]

Answer:

Ok so I know the angle is acute

Step-by-step explanation:

because the angle looks smaller than a 90 degree angle...

7 0
2 years ago
If Tina traveled 2,000 miles in 5 hours on her plane flight to her vacation destination, how fast was the plane traveling?
IRINA_888 [86]

Answer:

400 miles per hour

Step-by-step explanation:

2.000 miles : 5 hours =400 miles per hour

have a nice day :)

6 0
3 years ago
The radius of circle C is 6 units and the measure of
Inga [223]
I don’t know I’m doin this so they can answer my question
3 0
3 years ago
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