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3 years ago

What is ten quarters equal to?

Mathematics

2 answers:

NemiM [27]3 years ago

8 0

Answer:

$2.50

Step-by-step explanation:

erik [133]3 years ago

4 0

Answer:

2.5

Step-by-step explanation:

The easiest way to do this is by moving the decimal to the right according to the amount of zeros in the 10. For instance, if I had 100x.25 it would be 250. Since there was 2 zeros, I moved the decimal 2 places to the right.

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Which of the following sets represents a function?

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3 years ago

Jimmy began deriving the quadratic formula as shown. ax² +bx +c = 0 x2+bax+ca=0 x2+bax=−ca x2+bax+(b2a)2=−ca+(b2a)2 What should

andrew11 [14]

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3 years ago

Solve for z w=x+y/z please help

Nadusha1986 [10]

Answer:

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3 years ago

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:-

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

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3 years ago

ANSWER FAST!!! Which property was used to write the equation in step 2?

k0ka [10]

Answer:

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Step-by-step explanation:

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3 years ago