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3 years ago

7. In the table of values below, y represents the number of hot dogs that Snidely Snodgrass

Mathematics

1 answer:

Marrrta [24]3 years ago

4 0

Answer:

a direct proportionality constant (k) is calculated by dividing any quantity of the 2nd magnitude by the corresponding quantity of the 1st.

Step-by-step explanation:

K = y/x

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Gennadij [26K]

The correct answer is:

3 cm.

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3 years ago

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Combine the like terms to make a simpler expression: 5n+6+(-7n)<br> plz hurry

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-2n + 6 is the answer to this question

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Dave's age in 4 years is 18. Write an equation that represents Dave's age in 4 years.

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4 years ago

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Smplify the radical expression. How many different ways can you write your answer?

mel-nik [20]

Answer:

$2xy\sqrt[3]{2x^2z}$ and $2xy(2x^2z)^{\frac{1}{3}}$ .

Step-by-step explanation:

The given radical expression is

$\sqrt[3]{16x^5y^3z}$

We have to simplify the above expression.

The above expression can be written as

$\sqrt[3]{(2\times 8)(x^{3+2})y^3z}$

$\sqrt[3]{(2\times 2^3)(x^3\times x^2)y^3z}$ $[\because a^{m+n}=a^ma^n]$

$\sqrt[3]{(2^3x^3y^3)(2x^2z)}$

$\sqrt[3]{(2xy)^3}\sqrt[3]{2x^2z}$ $[\because (ab)^m=a^mb^m]$

$2xy\sqrt[3]{2x^2z}$ $[\because \sqrt[n]{x^n}=x]$

It can be written as exponent form.

$2xy(2x^2z)^{\frac{1}{3}}$ $[\because \sqrt[n]{a}=a^{\frac{1}{n}}]$

Therefore, the required expressions are $2xy\sqrt[3]{2x^2z}$ and $2xy(2x^2z)^{\frac{1}{3}}$ .

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3 years ago

describe the correct error a student made when solving the equation 4=-2(x-3) what is the correc scolution?

Free_Kalibri [48]

Answer:

x =1

Step-by-step explanation: Correct solution

$4=-2(x-3) \\\\\mathrm{Switch\:sides}\\-2\left(x-3\right)=4\\\\\mathrm{Divide\:both\:sides\:by\:}-2\\\frac{-2\left(x-3\right)}{-2}=\frac{4}{-2}\\\\Simplify\\x-3=-2\\x-3+3=-2+3\\\\Simplify\\x = 1$

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3 years ago