3 years ago

Which expression below shows the distributaive property being used

Mathematics

1 answer:

Cloud [144]3 years ago

5 0

D. 45C-18+63p

Explanation: 9*5= 45, 9*2= 18, 9*7= 63

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Question 12 Multiple Choice Worth 1 points)(07.05 MC)1086Which of the following functions best represents the graph?fix)=(x-2)(x

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The graph of a function is given. It is required to find the function that represents the graph.

Notice from the graph that the function has roots or zeros at -3,-2, and 2.

Hence, the function takes the form:

$\begin{gathered} f(x)=a(x-(-3))(x-(-2))(x-2) \\ \Rightarrow f(x)=a(x+3)(x+2)(x-2) \end{gathered}$

Where a is a constant to be determined.

Notice that the given graph passes through the point (0,-12).

Substitute x=0 and f(x)=-12 into the equation of the function to find a:

$\begin{gathered} -12=a(0+3)(0+2)(0-2) \\ \Rightarrow-12=a(3)(2)(-2) \\ \Rightarrow-12=-12a \\ \text{ Swap the sides of the equation:} \\ \Rightarrow-12a=-12 \\ \text{ Divide both sides by }-12: \\ \Rightarrow\frac{-12a}{-12}=\frac{-12}{-12} \\ \Rightarrow a=1 \end{gathered}$

Hence, the function is:

$\begin{gathered} f(x)=1(x+3)(x+2)(x-2) \\ \Rightarrow f(x)=(x+2)(x+3)(x-2) \end{gathered}$ <h2>The third option is the answer: f(x)=(x+2)(x+3)(x-2).</h2>

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2 years ago

During a drought, the water level in a reservoir dropped 3 in. each week for 5 straight weeks. Express the overall change in wat

aliina [53]

Answer:

v = -3w

Step-by-step explanation:

water level/volume = -3 x weeks

v = -3w

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2 years ago

I have no idea plz help

BartSMP [9]

Where is the question?

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4 years ago

Help asap, please

makkiz [27]

Answer:

triangle ABC was translated up 4units and left 4 units

Step-by-step explanation:

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3 years ago

In a recent year, 27.4% of all registered doctors were female. If there were 44,700 female registered doctors that year, what wa

Sophie [7]

Answer:

1,224,780

Step-by-step explanation:

44,700 × 27.4= 1,224,780

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4 years ago