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ololo11 [35]
4 years ago
12

Find the length of arc QS

Mathematics
1 answer:
ss7ja [257]4 years ago
4 0

Answer:

QS ≈ 4.71 units

Step-by-step explanation:

The arc QS is calculated as

QS = circumference of circle × fraction of circle

     = 2πr × \frac{90}{360} ( r is the radius )

     = 2π × 3 × \frac{1}{4}

     = 6π × 0.25 ≈ 4.71 units ( to the nearest hundredth )

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45 miles per hour would equal 66 feet per second.
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Determine if the sequence below is arithmetic or geometric and determine the
Paladinen [302]

Answer:

Arithmetic sequence

Step-by-step explanation:

A sequence is described as an arithmetic sequence when there is a common difference between the numbers

A sequence is a geometric sequence when there is a common ratio between the numbers

12,10,8

10-12= -2

8-10= -2

10/12= 0.83

8/10= 0.8

Hence the sequence is an arithmetic sequence with a common difference of -2

5 0
3 years ago
Let ​ f(x)=x2+14x+36 ​ .
azamat

Answer:

see explanation

Step-by-step explanation:

The vertex form of f(x) is

f(x) = (x - h)² + k

where (h, k) are the coordinates of the vertex

To obtain this form use the method of completing the square

add/subtract ( half the coefficient of the x- term )² to x² + 14x

f(x) = x² + 2(7)x + 49 - 49 + 36

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The minimum value of f(x) is the y- coordinate of the vertex

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6 0
4 years ago
Larry has 9 gallons of paint he use's 10quart to paint his kitchen and 3 gallons to paint his liver room how many pint of paint
mixer [17]
First convert gallons to quarts (9x4= 36) subtract the quarts (36-10=26) so you have 26 quarts, now convert the 3 gallons to quarts (3x4=12) now subtract (26-12= 14) there are 2 pints in one quart so convert quarts to pints (14x2=26) Your answer is 26
7 0
4 years ago
You put $3000 in a CD (certificate of deposit) at the promotional rate of 5.6% simple interest. How long will it take to earn $3
PolarNik [594]
First take 5.6 percent of 3000. Which is 5.6/100×3000= 168.
336 divided by 168 is 2.

The final answer is 2 years
6 0
4 years ago
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