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Orlov [11]
4 years ago
6

Help help help helps

Mathematics
1 answer:
saveliy_v [14]4 years ago
8 0
Volume formula is volume=base x height (v=bh)
b=9 x 12
b=108

v=108 x 10
v=1080ft³
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A store bought jeans at a cost of $40 a pair. Select all the statements that are true.
Firlakuza [10]
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Which numerical expression reprensents 1/2 the sum of 7 and 5 ?
Amiraneli [1.4K]
You need to multiple 7 and 5 or you could just skip the answer
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Solve the simultaneous equation y-2x+1=0 and 4x^2+3y^2-2xy=7
Lapatulllka [165]

The first equation is y-2x+1=0

y=2x-1 (Equation 1)

The second equation is 4x^{2}+3y^{2}-2xy=7 (Equation 2)

Putting the value of x from equation 1 in equation 2.

we get,

4x^{2}+3(2x-1)^{2}-2x(2x-1)=7

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by simplifying the given equation,

12x^{2}-10x-4=0

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Using discriminant formula,

D=b^{2}-4ac

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Now the formula for solution 'x' of quadratic equation is given by:

x=\frac{-b+\sqrt{D}}{2a}  and  x=\frac{-b-\sqrt{D}}{2a}

x=\frac{5+\sqrt{73}}{12}  and x=\frac{5-\sqrt{73}}{12}

Hence, these are the required solutions.

8 0
3 years ago
(2 1/3 - 1 5/6) divided by ÷ 1 1/3​
Angelina_Jolie [31]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

7:2 is also equivalent to 7/2

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