3 years ago

A dilation with a scale factor of 1/3 is a reduction.

Mathematics

1 answer:

Natasha_Volkova [10]3 years ago

8 0

That's true.
That will make the thing a third of its original size.

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Solve: the quantity 2x minus 20 divided by 3 = 2x

ira [324]

Answer:

x=-5

Step-by-step explanation:

$\dfrac{2x-20}{3}=2x$

Multiply both sides by 3:

$2x-20=6x$

Subtract 2x from both sides:

$-20=4x$

Divide both sides by 4:

$x=-5$

Hope this helps!

6 0

3 years ago

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Ben has a cell phone plan that provides 200 free minutes each month for a flat rate of $39. For any minutes over 200, Ben is cha

faltersainse [42]

Answer:

$\left\{\begin{matrix}39 & x\leq 200\\ 39+(x-200)\times 0.35 & x>200\end{matrix}\right.$

Step-by-step explanation:

We are given that Ben has a cell phone plan that provides 200 free minutes each month for a flat rate of $39.

We are also told that For any minutes over 200, Ben is charged $0.35 per minute.

let x be the minutes used each month

So, if $x\leq 200$

So, coat will be $39

If $x>200$

So, Ben is charged $0.35 per minute

So, when $x>200$

So, charge = $39+(x-200)\times 0.35$

So, the piecewise functions accurately represents charges based on Ben's cell phone :

$\left\{\begin{matrix}39 & x\leq 200\\ 39+(x-200)\times 0.35 & x>200\end{matrix}\right.$

4 0

3 years ago

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I have 5 digits. My 9 is worth 9 ∗ 10,000. My 2 is worth 2 thousand. One of my 7s is worth 70. The other is worth 10 times as mu

Natasha2012 [34]

The answer is 92,776 because 10 times as much as 70 is 700 which gives the answer for the hundreds position.

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3 years ago

What is the median of 40,33,37,54,41,34,27,39,35

Sauron [17]

Answer:

It's 37

Step-by-step explanation:

The given data set is ;

40,33,37,54,41,34,27,39,35

We arrange the data set in ascending order to obtain;

{27,33,34,35,37,39,40,41,54}

The median is the middle number {37}

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3 years ago

Combine like terms,<br><br> 1)c+19-4<br><br> 2)m+12-10

rewona [7]

1) Would be c+15 because you can combine 19-4

2) Would be m+2 because you can combine 12-10

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3 years ago

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