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3 years ago

What is 60 divided by q2

Mathematics

1 answer:

solong [7]3 years ago

3 0

Statistical file:

{60, 2}

Quartile Q1: 2

Quartile Q2: 31

Quartile Q3: 60

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What is not preserved under dilation? Select all that apply.

marusya05 [52]

Answer:

Hence, option D is correct (i.e. Distance is not preserved under dilation).

Step-by-step explanation:

<em>" A dilation is a transformation that produces an image that is the same shape as the original, but is a different size ".</em>

A) Angle measure:

Angle measures remains same as there is only a difference in their size the shape does not changes.

Hence angle measure is preserved.

B) Betweenness:

It is also preserved. since if any point in before dilation is between two points than after dilation it remain between them only.

C) Collinearity:

Points remain on the same line.

Hence, it is preserved.

D) Distance:

The distance is not preserved. since the length of the segment increase or decrease in dilation hence distance between two point also increase or decrease.

E) Proportionality:

In a dilation, the sides of the pre-image and the corresponding sides of the image are proportional. Hence it is also preserved.

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3 years ago

I need help with this question.This is due in like 7 mins :(

Stells [14]

Answer:

the answer is the last option! 68/5 - 22/5 = 9 and 1/5

Step-by-step explanation:

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3 years ago

Ashley is making cookies for the party. Each batch of cookies takes 0.75 cup of sugar. If she

____ [38]

Answer:

5/25

Step-by-step explanation:

she will need 5.25 sugar if she mak eit with batches

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3 years ago

If you are doing distance do you add or subtract?

zavuch27 [327]

Answer:

it depends on what the question asks

Step-by-step explanation:

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3 years ago

A pharmacist has an 18% alcohol solution and a 40% alcohol solution. How much of each should he mix together to make 10 liters o

ladessa [460]

X = amount of the 18% solution

y = amount of the 40% solution

we know the 18% solution has only 18% of alcohol, the rest is maybe water or something, now, how many liters is 18%? well, 18% of anything is just (18/100) * anything, so, 18% of x is just (18/100) *x or 0.18x, and that's how many liters are there.

likewise, how many liters are there in the 40% solution? well, (40/100) * y, or 0.4y, that many.

we know the mixture has to yield 10 liters at 20% alcohol, how many liters of only alcohol is that? well, (20/100) * 10, or 2 liters.

$\bf \begin{array}{lccclll}
&\stackrel{liters}{amount}&\stackrel{alcohol~\%}{quantity}&\stackrel{liters}{alcohol}\\
&------&------&------\\
\textit{18\% solution}&x&0.18&0.18x\\
\textit{40\% solution}&y&0.40&0.4y\\
------&------&------&------\\
mixture&10&0.20&2
\end{array}$

$\bf \begin{cases}
x+y=10\implies \boxed{y}=10-x\\
0.18x+0.4y=2\\
----------\\
0.18x+0.4\left( \boxed{10-x} \right)=2
\end{cases}
\\\\\\
0.18x-0.4x+4=2\implies -0.22x=-2
\\\\\\
x=\cfrac{-2}{-0.22}\implies x=\cfrac{100}{11}\implies x=9\frac{1}{11}$

how much of the 40% solution? well y = 10 - x

3 0

4 years ago