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gogolik [260]
3 years ago
14

What is the length of the arc of a circle of diameter 8 meters subtended by a central angle of

Mathematics
1 answer:
const2013 [10]3 years ago
6 0

Answer:

9.42 meters

Step-by-step explanation:

diameter = 8 m

radius = 4 m

Length of arc = radius * central angle in radians

= 4 * 3\pi / 4

= 12\pi / 4

= 3\pi

= 66 / 7

= 9.42 m

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a large bottle contains 1.2 liters of olive oila medium-sized bottle has 0.6 times the amount of olive oil as the large bottle h
Furkat [3]

Answer:

0.48 Liters


Step-by-step explanation:

Large bottle has 1.2 Liters

Medium bottle has <em>(0.6 * 1.2 =0.72)</em> 0.72 Liters


Large bottle contains <em>(1.2-0.72=0.48)</em>  0.48 Liters more

6 0
3 years ago
A walking path across a park is represented by the equation y= -3x - 6 . A new path will be built perpendicular to this path. Th
Romashka [77]

Answer:

The equation that represents the new path is y=(1/3)x+4

Step-by-step explanation:

step 1

Find the slope of the give line

we have

y=-3x-6

so

the slope m is equal to

m=-3

step 2

Find the slope of the perpendicular line to the given line

Remember that

If two lines are perpendicular, then their slopes are opposite reciprocal of each other

so

we have

m=-3 -----> slope of the given line

therefore

The slope of the perpendicular line is equal to

m=1/3

step 3

With m=1/3 and the point (-3,3) find the equation of the line

y-y1=m(x-x1)

substitute

y-3=(1/3)(x+3)

y=(1/3)x+1+3

y=(1/3)x+4 -----> equation that represent the new path

8 0
3 years ago
A test has 20 questions and is worth 100 points. The unit rate is Points per question?
babunello [35]

Answer:

15

Step-by-step explanation:

6 0
3 years ago
A student says that the​ x-intercept of a line is ​(0,-10,​). Is the student​ correct? Explain.
nataly862011 [7]

Answer:

Yes, the student is correct

Step-by-step explanation:

Given

(0,-10)

Required

Does it represent the x intercept

At the x intercept, the value of x is 0.

So, the function (x,y) becomes (0,y)

(0,-10) can be compared to (0,y)

Hence, the student is correct

5 0
2 years ago
Jeans are $20 for 2 pairs. Kerry spent $40 on jeans.<br>How many pairs did she buy?​
Leona [35]

Answer:Kerry would have bought 2 pairs of jeans

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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