3 years ago

The order pairs (0,0), (2,4), (4,8) and (6,12) represent a function. What is the rule for this function ?

Mathematics

2 answers:

Gala2k [10]3 years ago

7 0

X double by 2
y double by 2

Irina18 [472]3 years ago

7 0

Y = 2x is the equation for this function

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mezya [45]

Answer:

C:-4x+2

Step-by-step Explanation:

$x + 4 - 5x - 2 \\ = x - 5x + 4 - 2 \\ = - 4x + 2 \\$

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3 years ago

The price of an item has been reduced by 30%. The original price was $20. What is the price of the item now?

Ludmilka [50]

Answer:

$14

Step-by-step explanation:

multiply .30 times 20 to get $6, subtract that from the orginal price which is $20

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3 years ago

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If A=N , B=W then A-B is : * { } N W None

german

I’m going with none because it would just be N-W= blank. Is the blank n or w. I mean it could be one of those but I don’t think you know enough about the question for it to be N or W. So I would say none. Sorry if I’m wrong.

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3 years ago

Which expression is equivalent to StartFraction (5 a b) cubed Over 30 a Superscript negative 6 Baseline b Superscript negative 7

m_a_m_a [10]

Answer:

Option D.

Step-by-step explanation:

The given expression is

$\dfrac{(5ab)^3}{30a^{-6}b^{-7}}$

We need to find the expression, which is equivalent to the given expression.

The given expression can be rewritten as

$\dfrac{5^3a^3b^3}{30a^{-6}b^{-7}}$ $[\because (ab)^m=a^mb^m]$

$\dfrac{125}{30}\times \dfrac{a^3}{a^{-6}}\times \dfrac{b^3}{b^{-7}}$

$\dfrac{25}{6}\times a^{3-(-6)}\times b^{3-(-7)}$ $[\because \dfrac{a^m}{a^n}=a^{m-n}]$

$\dfrac{25}{6}\times a^{3+6}\times b^{3+7}$

$\dfrac{25a^9b^{10}}{6}$

Therefore, the correct option is D.

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3 years ago

A car drives 5 1/2 miles in 1/12 hour. What is the speed of the car in miles per hour?

Klio2033 [76]

Answer: 66

Step-by-step explanation:

5 1/2= 5.5 and 5.5 times 12=66

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3 years ago

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