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Ierofanga [76]
3 years ago
5

Seven less than eight times a number is -12

Mathematics
2 answers:
xxMikexx [17]3 years ago
7 0

Answer:

8-7n=-12

Step-by-step explanation:

aliina [53]3 years ago
5 0

Answer:

19/8

Step-by-step explanation:

8x-7=-12

8x=19

x=19/8

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The quantity demanded x for a product is inversely proportional to the cube of the price p for
Harrizon [31]
X = k/p^3
125 = k/10^3 = k/1000
1000 x 125 = k
k = 125000

x = 125000/p^3

The profit is given by G = px - (125 + 2x) = p(125000/p^3) - 125 - 2(125000/p^3) = 125000/p^2 - 250000/p^3 - 125
For maximum profit:
dG/dp = 0
dG/dp = -250000/p^3 + 750000/p^4 = 0
750000 - 250000p = 0
p = 750000/250000 = 3

Therefore the price that will yeaild maximum profit is $3.
6 0
3 years ago
Kindly solve this question 6 too !!
Shkiper50 [21]

Answer:

x=1

Step-by-step explanation:

~~~~~x = \dfrac{1}{2 - \dfrac 1{2-\dfrac{1}{2-x}}}\\\\\\\implies x = \dfrac{1}{2 - \dfrac 1{\dfrac{4-2x-1}{2-x}}}\\\\\\\implies x= \dfrac{1}{2 - \dfrac{2-x}{3-2x}}\\\\\\\implies x = \dfrac{1}{\dfrac{6-4x-2+x}{3-2x}}\\\\\\\implies x = \dfrac{3-2x}{4-3x}\\\\\\\implies 4x -3x^2 = 3-2x\\\\\\\implies 3x^2 -4x +3-2x = 0\\\\\\\implies 3x^2 -6x +3 = 0\\\\\\\implies 3(x^2 -2x +1) =0\\\\\\\implies x^2 -2x +1 = 0\\\\\\\implies (x-1)^2 = 0\\\\\\\implies x -1 = 0\\\\\\\implies x = 1

7 0
2 years ago
Factor x^2+1.1x+0.28
Pavel [41]

Answer:

x^2 + 1.1x + 0.28

Step-by-step explanation:

7 0
3 years ago
Pls help!! will give all my points
sergejj [24]

when x=-2

-10(-2)+y=4

y=4-20

y=-16

when x=-1

-10(-1)+y=4

y=-6

when x=0

-10(0)+y=4

y=4

when x=1

-10(1)+y=4

y=14

when x=2

-10(2)+y=4

y=24

8 0
3 years ago
Read 2 more answers
What is the volume? 7 mm 7 mm 7 mm cubic millimeters
Oksanka [162]

\Huge\bf\overbrace{\underline{ \underbrace{\blue \dag \orange{Answer}}}} \blue\dag

\large\bf\mapsto{\underline{\red{volume \: of \: cube =  {a}^{3} }}}

\huge\bf\mapsto{\underline{\green{  {7}^{3} }}}

\Large\bf\leadsto{\underline{\purple{ \: 7 \times 7 \times 7 = 343}}}

6 0
3 years ago
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