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iVinArrow [24]
3 years ago
9

Multiply the following: 2 3/8×3 3/7

Mathematics
2 answers:
arsen [322]3 years ago
5 0

Answer:

8 1/7 is your answer

Step-by-step explanation:

mart [117]3 years ago
3 0

Answer:

1 8/7

Step-by-step explanation:

1 8/7

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Two mechanics worked on a car. the first mechanic worked for 5 hours, and the second mechanic worked for 15 hours. together they
Ksenya-84 [330]

Alright, lets get started.

Suppose first mechanic charges= x

So, second mechanic charges will be = (125 - x) (because total of their rates was 125)

first mechanic worked for 5 hours, and the second mechanic worked for 15 hours and together they charged a total of $1225

Means

5 x + 15 (125-x) = 1225

5 x + 1875 - 15 x  = 1225

1875 - 10 x = 1225

Adding 10 x in both sides

1875 - 10 x + 10 x = 1225 + 10 x \\1875 = 1225 + 10 x

Subtracting 1225 from both sides

1875 - 1225 = 1225  + 10 x - 1225\\650 = 10 x

Dividing 10 in both sides

\frac{650}{10}  =  \frac{10x}{10}

x = 65

For second mecahnics rate = 125 - 65 = 60

Hence The mechanic who worked 5 hours charged $ 65 per hour, the one who worked 15 hours charged $ 60 per hour: Answer

Hope it will help :)

3 0
3 years ago
Solve the following system of equations using elimination (Do not multipy)
aivan3 [116]
1) 5x - 6y = -32 --> equation 1
    3x + 6y = 48  --> equation 2
eliminating y from both of the equations and adding the rest of the terms
we get,
    8x = 16
    dividing 8 on both sides
    x = 2
Substituting the value of x in equation 1
   5(2) - 6y = -32
    10 - 6y = -32
   -6y = -12 ( dividing both sides by -6)
    y = 2

2) 
-3x - 3y = 9 ---> equation 1
      3x - 4y = 5 --> equation 2
eliminating x from both equations and adding the rest of the terms
 we get,
     -7y = 14 ( dividing both sides by -7 )
      y = -2
Substituting the value of y in the equation 1
    -3x - 3(-2) =9
    -3x + 6 = 9 (subtracting both sides by -6)
     -3x = 3
     x = -1

Hope this helps you..  :)
5 0
3 years ago
Read 2 more answers
A rectangle has a perimeter of 68 inches. Its length is 2 inches less than 3 times its width. What are the length and width of t
Evgesh-ka [11]

2(3x-2+x)=68 in

thats all i know, sorry

7 0
3 years ago
Describe the method you would use to divide mixed numbers. 2 1/3 divided by 1 1/6 = 2
nirvana33 [79]

Answer:

use a calculator

Step-by-step explanation:


5 0
3 years ago
A convenience store owner reports that seven cases of beer was stolen. Each case contains For six packs and each six pack sells
Ilia_Sergeevich [38]

Answer:

The value of the stolen merchandise is 31.43

Step-by-step explanation:

Given as :

The number of cases of beer stolen = 7

Number of packs in each cases        = 6

And The price of each six pack is 4.49  

So, As the price of each six pack is 4.49 and number of pack in each case is 6

And the number o stolen cases is 7

So, The value of total stolen item = 7 ×  4.49 = 31.43

Hence The value of the stolen merchandise is 31.43   Answer

3 0
3 years ago
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