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Solnce55 [7]
3 years ago
9

The arc corresponding to a central angle of 35° in a circle of radius 10 feet messures___feet. Round your answer to two decimal

places.​

Mathematics
1 answer:
Ann [662]3 years ago
8 0

Answer:

6.11 ft

Step-by-step explanation:

s = (∅/360) * 2πr

s = (35/360) * 2π(10)

s = 6.108652382

Rounded

s = 6.11 ft

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A simple random sample of 12 iPhone's being sold over the Internet had the
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Answer:

The upper bound is 399.5

Step-by-step explanation:

Let's start by calculating the mean value of the distribution as the addition of all values given divided by 12:

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If the standard deviation is 56, then the upper bound in 95% the confidence interval for the mean price of the phones is going to be given by the mean value added to 56 times 1.96 (since 95% of the population is withing 1.96 times the standard deviation)

That is: 289.75 + 56 * 1.96 = 399.51

which rounded to one decimal place gives: 399.5

7 0
3 years ago
The area of a rectangular flower bed is 24 square feet. The perimeter of the same flower bed is 22 feet. What are the dimensions
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ANSWER

B. 3 ft by 8 ft

EXPLANATION

The area is given as 24 square feet.

This implies that,

l \times w = 24

The perimeter of the rectangular field is given as 22 feet.

This implies that,

2(l + w) = 22

Or

l + w = 11

We make w the subject in this last equation and put it inside the first equation.

w = 11 - l

When we substitute into the first equation we get;

l(11 - l) = 24

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This implies that,

{l}^{2}  - 11l + 24 = 0

(l - 3)(l - 8) = 24

l = 3 \: or \: 8

When l=3, w=24

Therefore the dimension is 3 ft by 8 ft

3 0
3 years ago
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Find f(2) for f(x)=3x2+9x−6
Naya [18.7K]

Answer:

a. f(2)=24  

Step-by-step explanation:

Given function:

f(x)=3x^2+9x-6

To find f(2)

Solution:

In order to find f(2),we need to plugin input=2 i.e. the value of x=2 in the function and find the output by evaluating.

Plugging in x=2 in the given function.

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Evaluating.

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3 years ago
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wdym what solution put the equation down so I can answer it 4 u

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Step-by-step explanation:

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