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Bingel [31]
3 years ago
12

A bike has a wheel diameter of 70cm. What is the circumference. Help pls....

Mathematics
1 answer:
AveGali [126]3 years ago
4 0
First the radius is half of 70 
35
then you use C=2piR
C=2x3.14x35
C= 219.8
hope this helps
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The mean for a set of 5 numbers is 24. Four of the numbers 18,30,24, and 27. What is the fifth number?
ioda

Answer:

21 it is the fifth number

5 0
3 years ago
Tina is saving to buy a notebook computer. She has two options. The first option is to put $500 away initially and save $30 ever
Jlenok [28]
First option:
y=money saved
x=number of months

y=30x+500

Second option:

y=50x+200

We have this system of equations:

y=30x+500
y=50x+200

We can solve this system of equations by equalization method
30x+500=50x+200
30x-50x=200-500
-20x=-300
x=-300/-20
x=15

so;
y=30x+500
y=30(15)+500
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Answer; after 15 months, she would save the same amount using either option, the amount saved in either option will be $950. 
3 0
3 years ago
What is the difference between a ray and line segment line segment is a part of a line bound by multiple points along the line;
koban [17]

A line segment is a part of a line bound by two points; a ray is a line with one endpoint that extends to infinity in one direction. is the difference between a ray and line segment.

Option: C.

<u>Step-by-step explanation:</u>

A line is a set of multiple points that extends from one point to its opposite direction without any end. Ray and Line segments are the two parts that can occur in a line.

A ray is a line with an endpoint in which the line can be extended from that point to infinity in a direction. A line segment also another part line and it consists of two points. Moreover, The line is bounded between those points.

8 0
3 years ago
6+6+75millllllliioooon
Mice21 [21]

Answer:

75,000,012

Step-by-step explanation:

enjoy, i guess

6 0
2 years ago
What is the missing number in the sequence below?<br><br> 39, 24, 9, ____, -21
Oksi-84 [34.3K]

Answer:

-6

Step-by-step explanation:

The pattern here is that you substract 15 every time you move a number (left to right) , therefore: 9-15 = -6

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below =)

6 0
3 years ago
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