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Tpy6a [65]
3 years ago
7

Solve for x X/3-6.2=9

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
8 0

Answer:

x=45.6

Step-by-step explanation:

X/3-6.2=9

Add 6.2 to each side

x/3-6.2+6.2 = 9+6.2

x/3 = 15.2

Multiply both sides by 3

x/3*3 = 15.2 *3

x = 45.6

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Step-by-step explanation:

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3 years ago
A bicycle wheel with the diameter 70cm is making 25 revolutions while travelling. Find the distance covered by the bicycle
Diano4ka-milaya [45]

Answer: 5500cm.

Step-by-step explanation:  

A revolution  corresponds to circumference of the bicycle wheel.

The radius of the circle = 70/2 since two radii makes a diameter.

Therefore r = 35cm

Circumference of a circle =  2πr or πd where π = 3.142 or 22/7

      We now have              =  2 x 22/7 x 35

Therefore 0ne revolution   = 220cm.

Therefore, the distance traveled by making 25 revolution

                                            = 220 x 25

                                            = 22000/4

                                            = 5500cm.

                                     

4 0
4 years ago
Your friend has $100 when he goes to the fair. He spends $10 to enter the fair and $20 on food. Rides at the fair cost $2.00 per
zysi [14]
You could use the function: 

f(x)=30+2x
100=30+2x 

In which lets say he rode 3 rides. Plug in 3 for x.

100=30+2(3)

Then Multiply 
100=30+6

Then combine 30 and 6 to get 36.
Then you can subtract 36 from 100 to get 
$64 left over. 
5 0
3 years ago
A jewellery shop sells 240 items in a month, 180 was sold online the rest were sold in store. Work out the ratio of online sales
cricket20 [7]

Answer:

3 : 1

Step-by-step explanation:

180 out of 240 sold online so (240 - 18) sold in store

180 : 60

18 : 6

3 : 1

5 0
3 years ago
How do I answer this wuestion?<br> -9/12-(-7/4)=
Tema [17]
The answer is 1. just subtract the fractions and boom. answer.
4 0
3 years ago
Read 2 more answers
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