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Anettt [7]
2 years ago
8

The Japanese 5 yen coin has a hole in the middle. The diameter of the coin is 22 mm and the diameter of the hole is 5 mm. What i

s the difference between the outer edge and the inner edge of the coin? If necessary, round your answer to the nearest tenth.
Mathematics
2 answers:
ololo11 [35]2 years ago
8 0

Answer:20mm

Step-by-step explanation:

Lorico [155]2 years ago
7 0

Answer:

Sample response: To find the difference between the outer and inner edges of the coin, you would calculate the circumference of the coin, C= 22π, and the circumference of the hole, C = 5π. Then you would subtract to find the answer, 22π − 5π = 17π.

<em>hope you have an awesome day/night :)</em>

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The ratio of yellow blue and red balloons is 2:3:2 respectively. If the total number is 28 is many yellow balloons are there
Phoenix [80]

Answer:

8

Step-by-step explanation:

The ratio of yellow balloons to the total is ...

... 2:(2+3+2) = 2/7

This fraction of 28 balloons is ...

... (2/7)·28 = 56/7 = 8 . . . . yellow balloons

8 0
2 years ago
Four times the larger number of two numbers is equal to seven times the smaller. The sum of the numbers is 22. Find the numbers
BartSMP [9]

Answer:

14 and 8

Step-by-step explanation:

Solution set:

x+y=22

4x=7y

Solving:

4(22-y)=7y

88-4y=7y

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6 0
3 years ago
X/6 + 4 = 15 what does x equal? What is x?
Umnica [9.8K]
Hello there! x = 66.

x/6 + 4 = 15

This means that since 15 - 4 = 11, x/6 = 11.

Given the two numbers and a variable, we can multiply:

6 x 11 = 66

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Therefore, x = 66

Hope this helps!
4 0
1 year ago
Read 2 more answers
Homework due at 12:00<br> I Need Help
Leya [2.2K]

Answer:

<em>k = - 7.5 </em>

Step-by-step explanation:

Slope "m" of a line through points

( x_{1} , y_{1} )

( x_{2} , y_{2} )

is m = \frac{y_{2} -y_{1} }{x_{2} -x_{1} }

Slopes of perpendicular lines are opposite reciprocal: m_{1} m_{2} = - 1

~~~~~~~~~~~~~~~

The slope of a line through points (0, 7) and (2, 10)

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or m_{2} = \frac{12-5}{k-3}

\frac{7}{k-3} = -\frac{2}{3}

2(k - 3) = - 21

k - 3 = - 10.5

<em>k = - 7.5</em>

6 0
2 years ago
In parallelogram ABCD, LA = 120°. What is AD?<br> O80°<br> O 120°<br> O60°
erastovalidia [21]
Angle D is 60° because it is a supplementary angle, meaning 180 (straight line) - 120 (angle A) = 60°
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3 years ago
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