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2 years ago

Can someone help? Pls

Mathematics

1 answer:

nata0808 [166]2 years ago

3 0

9514 1404 393

Answer:

$y-0=\dfrac{1}{2}(x -(-2))$

Step-by-step explanation:

The point-slope form of the equation for a line with slope m through point (h, k) is ...

y -k = m(x -h)

For m = 1/2 and (h, k) = (-2, 0), the equation is ...

y - 0 = 1/2(x -(-2))

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What is the sum of 12 and 34

schepotkina [342]

12+34 = 46

Please mark Brainliest if this helps!

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3 years ago

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ANSWER NOW PLEASE!!!!!!!!!!!!!!!! Mason and Laney ran laps to train for the long-distance running team. The ratio of the number

Ad libitum [116K]

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3 years ago

3x + 5 = x - 3

dusya [7]

Answer:

x = -4

Step-by-step explanation:

3x + 5 = x - 3

Subtract x from each side

3x+5-x = x-3-x

2x+5 = -3

Subtract 5 from each side

2x+5-5 = -3-5

2x = -8

Divide each side by 2

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2 years ago

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If y = 3x^3 - 2x and dx/dt equals 3, find dy/dt when x = -2. Give only the numerical answer. For example, if dy, dt = 4, type on

Nadya [2.5K]

Answer:

$\frac{dy}{dt} = 102$

Step-by-step explanation:

step(i)

Given function y = 3 x³ - 2 x ... (i)

Differentiating equation (i) with respective to 'x'

$\frac{dy}{dx} = 3 (3 x^{2} ) - 2(1)$

Given x = -2

$(\frac{dy}{dx} ) x_{=-2} = 3 (3 (-2)^{2} ) - 2(1)$

$(\frac{dy}{dx} ) x_{=-2} = 36 -2 =34$

Step(ii):-

we know that

$\frac{dy}{dx} = \frac{\frac{dy}{dt} }{\frac{dx}{dt} }$

Given $\frac{dx}{dt} = 3 and \frac{dy}{dx} = 34$

$\frac{dy}{dx} = \frac{\frac{dy}{dt} }{\frac{dx}{dt} }$

substitute values $\frac{dx}{dt} = 3 and \frac{dy}{dx} = 34$

⇒ $34 = \frac{\frac{dy}{dt} }{3 }$

cross multiplication , we get

$\frac{dy}{dt} = 34( 3 ) = 102$

Final answer:-

$\frac{dy}{dt} = 34( 3 ) = 102$

8 0

3 years ago

Which expression is equivalent?

SOVA2 [1]

Are those all the options ?

4 0

2 years ago