3 years ago

X - 2y = 4 3x +2y = 4

Mathematics

1 answer:

tankabanditka [31]3 years ago

3 0

Answer:

tje answer is (2,-1) to this

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Please help ASAP i don’t understand this !!

igor_vitrenko [27]

Answer:

f(-7) = -3

Step-by-step explanation:

f(x) = ( x-2)/3

Let x = -7

f(x) = ( -7-2)/3

= (-9)/3

= -3

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4 years ago

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12. Find the distance between points P(-1, 2) and Q(-3, 4).

marusya05 [52]

Answer:

D=2.82

Step-by-step explanation:

Here we are given with two coordinates and asked to determine the distance between them.

Here we are going to use the distance formula, which is given as under

$D=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}$

Where

$(x_1,y_1) = (-1,2)$

$(x_2,y_2) = (-3,4)$

Replacing these values in the distance formula

$D =\sqrt{(-1-(-3))^2+(2-4)^2}$

$D =\sqrt{(-1+3)^2+(-2)^2}$

$D =\sqrt{(2)^2+4}$

$D =\sqrt{4+4}$

$D =\sqrt{8}$

$D= 2.8284$

Hence the Distance is 2.82 units

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3 years ago

A varies directly as the square of b and inversely as the cube of

aev [14]

Step-by-step explanation:

the answer is in the picture above

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3 years ago

Ginny spins Each spinner once. The she multiply the 2 numbers together to find the product

tankabanditka [31]

Answer:

Step-by-step explanation:

Because 2 is on both spinners with it being on both spinners it is more likely it will be picked

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3 years ago

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Derivate f(x)=x^3-2x^2-x+1

kvasek [131]

Answer:

f(x)'=3x^2-4x

Step-by-step explanation:

dy/ dx or f(x)'=3x^2-4x

Please make answer as brainliest

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3 years ago