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4 years ago

Please help I will mark brainly

Mathematics

1 answer:

otez555 [7]4 years ago

6 0

a) Fraction Notation - 50/100 (1/2 Simplified)

Decimal Notation - 0.50

b) Depends on how many cattle they have, but they sold have of it so 1/2 again?

This Should Be Right?

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Explain how the Quotient of Powers Property was used to simplify this expression.

Simora [160]

Answer:

The answer is option 2, by simplifying 9 to 3² to make both powers base 3 and subtracting the exponents.

Step-by-step explanation:

You have to make the expressions into the same base :

$\frac{ {3}^{4} }{9} = \frac{ {3}^{4} }{ {3}^{2} }$

Next, you have to apply Indices Law :

${a}^{m} \div {a}^{n} \: ⇒ \: {a}^{m - n}$

${3}^{4} \div {3}^{2}$

$= {3}^{4 - 2}$

$= {3}^{2}$

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3 years ago

In Exercise, find the derivative of the function.<br> y = ln(3 + x2)

erastovalidia [21]

Answer: $\dfrac{2x}{3 + x^2}$

Step-by-step explanation:

We know the property of derivative: $\dfrac{d}{dx}(\log (x))=\dfrac{1}{x}$

Given function : $y=\ln(3 + x^2)$

Differentiate both sides with respect to x , we get

$\dfrac{dy}{dx}=\dfrac{d}{dx}(\ln(3 + x^2))$

$\Rightarrow\ \dfrac{dy}{dx}=\dfrac{1}{3 + x^2}\cdot\dfrac{d}{dx}(3 + x^2)$ [By Chain rule]

$\Rightarrow\ \dfrac{dy}{dx}=\dfrac{1}{3 + x^2}\cdot(0+2x)$

[Since $\dfrac{d}{dx}(a)=0$ , where a is scalar and $\dfrac{d}{dx}(x^n)=n(x)^{n-1}$ ]

$\Rightarrow\ \dfrac{dy}{dx}=\dfrac{2x}{3 + x^2}$

Hence, the derivative of the given function is $\dfrac{2x}{3 + x^2}$ .

5 0

3 years ago

What conic section is drawn by the parametric equations x=csc t and y cot?

Vanyuwa [196]

If we take the square of x and square of y and then subtract them:
(csc t)²-(cot t)²=1 ( this eq. gets from basic identity
x²-y²=1......a 1+cot²x=csc²x)

equation 'a' represent the equation of hyperbola which is (x²/a²)-(y²/b²) =1 with given conditions( a=1,b=1)

So, option D is correct

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3 years ago

A subway train on the Red Line arrives every eight minutes during rush hour. We are interested in the length of time a commuter

olasank [31]

Answer:c i just did the test

Step-by-step explanation:

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3 years ago

Find the value of each missing variable. y=

e-lub [12.9K]

Step-by-step explanation:

29x - 3 + 15x + 7 = 180° because these two angles are supplementary

if we add like terms

44x + 4 = 180

44x = 176 divide both sides by 44

x = 4

29x - 3 = 13y - 17 because alternate exterior angles has same measurement

since we found the value of x let's rewrite the equation

4 × 29 - 3 = 13y - 17

113 = 13y - 17

130 = 13y divide both sides by 13

10 = y

7 0

3 years ago