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inessss [21]
3 years ago
12

Find the circumference leave your answer in terms of π. diameter is 8.4 cm

Mathematics
2 answers:
svetlana [45]3 years ago
8 0
Circumference = ππD

Circumference = 8.4π cm
jarptica [38.1K]3 years ago
6 0
The meaning of circumference is to find the distance around a circle or in other words the perimeter of the circle. The circumference of a circle can be calculate by using the formula C=2πr or C=πd.

In this exercise is given that a circle has a diameter of 8.4 centimeters, and it is asked to find its circumference in terms of pi. In this problem the diameter of the circle is given, so in this case the formula C=πd would be used, where d represents the diameter.

C=πd
C=8.4π cm 

The circumference of the circle in terms of pi is 8.4π cm or 26.39 cm.
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A line with a slope of 0.20 passes through
zaharov [31]

Answer:

y=0.2x-20

Step-by-step explanation:

1) the common view of the line in the slope-intercept form is:

y=s*x+i, where s - the value of the slope (it is 0.2 according the condition), i - the value of intercept (to be calculated);

y=0.2*x+i.

2) if to substitute the given coordinates (1.25;-17.5) into the common view, then:

-17.5=1.25*0.2+i;

it is possible to calculate the value of 'i': i= -20.

3) if the slope=0.2, the intercept= -20, then the required equation of the line is:

y=0.2x-20.

8 0
3 years ago
3 numbers are in arithmetic progression their sum is15 and their product is 80 determine the 3 numbers
Mashcka [7]

Answer:

2, 5, 8

Step-by-step explanation:

For starters, let us assume that the numbers are x-d, x, and x+d.

Where d is the common difference between terms.

This mean that we can say, from the question

x-d + x + x+d = 15

3x = 15,

x = 5,

This means that the terms are 5, 5-d and 5+d.

On the other hand,

(5-d) * 5 * (5+d) = 80

(5-d) * (5+d) = 80/5

(5-d) * (5+d) = 16

25 - d² = 16

d² = 9

d = + or - 3.

Finally, the three numbers will be 2, 5, and 8. On the flipside, their sum and product are 15 and 80.

6 0
2 years ago
Need answer quick plz!!
torisob [31]

Answer:

Its B

Step-by-step explanation:

1^3 is 1

3 0
3 years ago
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pantera1 [17]

Answer:

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Step-by-step explanation:

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3 years ago
How do you translate this verbally? y less than 21
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