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Paraphin [41]
3 years ago
9

What is the variable in the expression: 3y + 8 ​

Mathematics
1 answer:
Ludmilka [50]3 years ago
6 0

Answer:

y

Step-by-step explanation:

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Please helppppppp ASAP
pshichka [43]

Answer:

I think it is C

Step-by-step explanation:

5 0
3 years ago
The diagonal of a square is 2.42 cm. Find<br>the area of the square.​
OLEGan [10]

Answer:

let \: one \: side \: be \: x \\ x =  \sqrt{ {2.42}^{2}  -  {x}^{2} }  \\ 2 {x}^{2}  = 5.8564 \\  {x}^{2}  = 2.9282 \\ x = 1.71 \: cm \\ area \:  = x \times x \\ area = 1.71 \times 1.71 \\  = 2.92 \:  {cm}^{2}

6 0
3 years ago
A recipe for sparkling grape juice calls for 112 quarts of sparkling water and 34 quart of grape juice. How much of each ingredi
coldgirl [10]

9514 1404 393

Answer:

  • 76.71 quarts of sparkling water
  • 23.29 quarts of grape juice

Step-by-step explanation:

The ratio of sparkling water to total volume is ...

  water : juice = 112 : 34

  water : total volume = water : (water +juice) = 112 : (112 +34) = 112/146

Then the amount of 100 quarts of sparkling grape juice that is sparkling water will be ...

  water/total = w/100 = 112/146

  w = 100(112/146) ≈ 76.71 . . . . quarts of sparkling water

  j = 100 -w = 23.29 . . . . . . . . . quarts of grape juice

8 0
3 years ago
Oil is pumped from a well at a rate of 500 gallons per hour. How many gallons of oil are pumped from the well in 3 hours and 15
ella [17]
1625 is the answer for this
6 0
3 years ago
Muriel says she has written a system of two linear equations that has an infinite number of solutions. One of the equations of t
erastova [34]
Infinite number of solutions...means it will be the same line.
you have probably heard about equivalent fractions like 1/2 = 2/4...and if u reduce 2/4, it equals 1/2. Well...there are also equivalent equations. They can also be reduced.

3y = 2x - 9 cant be reduced, but u can make an equivalent equation by multiplying it all by a number.Any number.

lets try 2...
2(3y = 2x - 9) =
 6y = 4x - 18...this is an equivalent equation....the same line..infinite solutions.Notice that u can reduce it by dividing everything by 2 which would equal 3y = 2x - 9....so u see, it is like equivalent fractions....kind of...lol

or multiply it by 3
3(3y = 2x - 9) =
9y = 6x - 27....this is also equivalent.....so this is an answer as well

and u can multiply it by 4 and get another equivalent equation..or 5, or 6....and so on...

make any sense ?? Just remember, to get the result of infinite solutions, the equations have to be equivalent



8 0
3 years ago
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