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Degger [83]
2 years ago
7

To make sure the machines in the factory run smoothly, the mechanics need to add-1/5 liter of oil to the machine every Monday. O

ne Monday, a mechanic can only find 12 liters of oil in the storage. Is there enough for 65 machines?​
Mathematics
1 answer:
anyanavicka [17]2 years ago
3 0

Answer:

jbouvoubjublo

Step-by-step explanation:

i need points

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the units digit of a two-digit number is twice the tens digit. If the digits are reversed, the new number is 9 less than the ori
Anton [14]

Answer:

36

Step-by-step explanation:

Here is the correct and complete question: The units digit of a two-digit number is twice the tens digit. If the digits are reversed, the new number is 9 less than twice the original number. What is the original number?

Lets assume the original number be"10y+x". (x is unit digit and y is 10th digit)

∴ if number is reversed then resulting number be "10x+y".

As given: x= 2y

        and 10x+y= 2(10y+x)-9

Now, solving the equation to get original number.

10x+y= 2(10y+x)-9

Distributing 2 to 10y and x, then opening the parenthesis.

⇒ 10x+y= 20y+2x-9

subtracting by (2x+y) on both side.

⇒ 8x= 19y-9

subtituting the value of "x", which is equal to 2y.

∴ 8\times 2y= 19y-9

⇒ 16y=19y-9

subtracting both side by (16y-9)

⇒ 3y= 9

cross multiplying

We get, y= 3

y=3

∵x= 2y

x=2\times 3= 6

∴ x= 6

Therefore, the original number will be 36 as x is the unit number and y as tenth number.

6 0
3 years ago
Michael has constructed a device that fits on the end of a water hose. With this device, he can adjust the diameter of a tube co
Oduvanchick [21]
 x
---- = 5    (solve for x)
0.6

x = 5(0.6)
x = 3

then....

 3
-----  = 15
0.2

your answer should be 15 ft per second.

hope this helps :)










3 0
3 years ago
Read 2 more answers
You have 3 spinners that are divided into equal
natita [175]

answerr: ..........

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6 0
3 years ago
Question 3 Translate this sentence into an equation. The sum of 13 and Julie's age is 50. Use the variable to represent Julie's
LekaFEV [45]

Answer: 13 + x = 50

Step-by-step explanation: the sum is 50 , 13 is provided , julie’s age is the variable

3 0
2 years ago
Can some one help me Pls
Firlakuza [10]

Answer:

A is one of the true statements because 25 is the largest number that 50 and 75 can both divide evenly into.

D is the other true statement because 45 is the lowest number that 5 and 9 can both multiply into.

8 0
3 years ago
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