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Alchen [17]
3 years ago
15

HELP PLEASEEEEEEEE its almost due. omg.

Mathematics
1 answer:
olga2289 [7]3 years ago
8 0

Answer:

3 gallons i believe

Step-by-step explanation:

3 gals in 48 cups

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Can someone write 27/11 as a decimal for me please?
kicyunya [14]

Answer:0.4074

Step-by-step explanation:I used google

3 0
3 years ago
Please Help Me!!!<br><br> Solve : <br><br> (g-f)(-3)===
trapecia [35]

You foil for this one so it means that you multiply -3 with g, then multiply -3 with -f, you should get -3g+3f, but i'm not sure if i did it correctly if i did get it wrong then my bad

7 0
3 years ago
What is the solution for x in the given equation? The square root of 9x +7 + the square root of 2x = 7
cestrela7 [59]

Answer:

The solution is x =2 for the given equation \sqrt{9x+7} +\sqrt{2x}=7

Step-by-step explanation:

We need to find the solution for x in the given equation.

\sqrt{9x+7} +\sqrt{2x}=7

Solving:

Subtract \sqrt{2x} from both sides

\sqrt{9x+7} =7-\sqrt{2x}

Taking square on both sides

(\sqrt{9x+7})^2 =(7-\sqrt{2x})^2\\Using\,\, (a-b)^2 = a^2-2ab-b^2\\9x+7=(7)^2-2(7)(\sqrt{2x})+(\sqrt{2x})^2\\9x+7=49-14\sqrt{2x}+2x\\9x-2x+7-49=-14\sqrt{2x}\\7x-42=-14\sqrt{2x}\\Taking\,\,square\,\,on\,\,both\,\,sides\\(7x-42)^2=(-14\sqrt{2x})^2\\49x^2-2(7x)(42)+(42)^2= 196(2x)\\49x^2-588x+1764=392x\\49x^2-588x+1764-392x=0\\49x^2-980x+1764=0\\Using \,\,quadratic \,\, equation  \,\,to \,\, find \,\, value \,\, of \,\, x \\x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\a= 49, \, b= -980 \,\,and\,\, c = 1764

Putting values and solving

x=\frac{-(-980)\pm\sqrt{(-980)^2-4(49)(1760)}}{2(49)}\\x=\frac{980\pm\sqrt{614656}}{98}\\Solving\\x=18 \,\, and x =2

Verifying the solution by putting values of x in given equation

Putting x=18

\sqrt{9x+7} +\sqrt{2x}=7\\\sqrt{9(18)+7} +\sqrt{2(18)}=7\\\sqrt{169} +\sqrt{36}=7\\13+6=7\\19\neq 7

So, x=18 is not solution o given equation.

Putting x = 2

\sqrt{9x+7} +\sqrt{2x}=7\\\sqrt{9(2)+7} +\sqrt{2(2)}=7\\\sqrt{25} +\sqrt{4}=7\\5+2=7\\7=7

So, x=2 satisfies the equation

The solution is x =2 for the given equation \sqrt{9x+7} +\sqrt{2x}=7

7 0
3 years ago
The figure below has a volume of 60 cubic units. How many more cubes will it take to fill the figure?
MariettaO [177]
55 cubic units because
- each cube is equal to 1 cubic unit
- the total volume is 60 cubic units
- 5 cubes are already inside
6 0
3 years ago
Can anyone help me with this
SVEN [57.7K]

Answer:

I believe it's Linear Increasing


5 0
4 years ago
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