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3 years ago

Which group -15 belongs to

2 answers:

6 0

The left side of a graph or as well known as the negative side of the graph.

Hope this helps!! Please consider giving brainliest! Have a good day!!<3

Reptile [31]3 years ago

5 0

Answer:

Integers.

Step-by-step explanation:

I'm assuming you are talking about number groups, such as integers, natural numbers, whole numbers, etc.

If so, then -15 belongs to the 'integers' group.

This is because consists of numbers that are not fractional components, such as -5, 5, 4, -4, -15, 15, 8, 91, 200, -200, etc. Basically, integers include only negative and positive numbers.

Natural numbers include positive integers only, such as 5, 15, 87, 100, 20, etc.

Whole numbers do not include negative numbers, fractions, or decimals. Examples of whole numbers include: 8, 16, 20, etc.

Therefore, -15 belongs to integers.

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A coat in London costs £60. The same coat in Dublin costs €105.60. The exchange rate is £1 = €1.65. In which city is the coat ch

Pie

Answer:

The coat is cheaper in London and it is 6.6 euros cheaper than in Dublin

Step-by-step explanation:

Given

Cost of coat in London = £60

Cost of coat in Dublin = €105.60

In order to find where the coat is cheaper, the price should be in same unit

It is also given that

£1 = €1.65

so,

Price of coat in Euro will be:

$P = 60 * 1.65 = 99$

So the price of coat in London is 99 Euros

Comparing both the prices we see that

Price in London < Price in Dublin

99 < 105.60

The difference in price is:

$=105.60-99= 6.6\ Euros$

Hence,

The coat is cheaper in London and it is 6.6 euros cheaper than in Dublin

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3 years ago

A circle has a radius of length r. If you mark off the an arc on the circle of length 3r, what is the measurement of the angle t

prisoha [69]

Answer:

is 171.8 degrees

Step-by-step explanation:

Length of arc subtended by any angle $\alpha$ with a radius r is given by $\alpha *r$ .

For example

to calculate length of circumference

angle subtended by whole circle is 2 $\pi$

Therefore length of circumference is $2\pi *r$

Similarly we can see that for semicircle angle at center is $\pi$

hence length of arc is $\pi r$

____________________________________________

Given in the problem length of arc = 3r

radius= r

let the value of angle be $\alpha$

Plug in the value of length of arc in formula to calculate length of arc we have

3r = $\alpha* r$

$\alpha$ = 3r/r = 3

This value of angle subtended is in radian, we need to convert radian into degrees.

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We know that $\pi$ is equivalent to 180 degrees.

Also value of $\pi$ is 3.14

hence 3.14 radian= 180 degrees

=>3.14/3.14 = 180/3.14 ----degrees dividing both side with 3.14

=> 1 radian = 57.325 degrees

=> 1*3 radian = 57.325 * 3 degrees( multiplying both side with 3 as we need to find value of 3 radian into degrees

=> 3 radian = 171.8 degrees.

the measurement of the angle that subtended by the arc is 171.8 degrees or in radian 3 radian

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Answer:

Step-by-step explanation:

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