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alexdok [17]
3 years ago
11

The manager of a store marks up all

Mathematics
1 answer:
Katarina [22]3 years ago
6 0

Answer:

1.1x

x + 0.1x

Step-by-step explanation:

The manager of a store marks up all  items by 10%.

So, if the original price of any item is x, then increase for markup is 10% of x i.e. \frac{10x}{100} = 0.1x.

Hence, the expression that represents the new price with the markup is (x + 0.1x) = 1.1x.

Therefore, options C and D i.e. 1.1x and (x + 0.1x) both are the required expression for the new price. (Answer)

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Jenny served one scoop of ice cream to her friends using a 3/4 cup scooper. She
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Answer:

75?

Step-by-step explanation:

1/4 = 25

25 x 3 =75

      ----

3/4=75

4 0
3 years ago
What type of relationship does this graph show?
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Answer:

inverse relationship

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Which statement explains how you could use coordinate geometry to prove that quadrilateral ABCD is a rectangle ​
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Answer:

prove that opposite sides are congruent and parallel

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8 0
3 years ago
The quotient of 5 plus d and 12 minus w
aev [14]
That expression is written like so:

(5 + d)/(12 - w)
6 0
3 years ago
Which measure of center will provide the most accurate estimation of the deposits for the savings account? Why?
faust18 [17]
Hello,

First you have order all the number least to the greater. That gives 30, 75, 80, 85, 85, 95, 95, 100, 100, 110.

Afterwards you have to find the median. Why ?

I will explain you. It's because the median is robust. In fact, it can't be influenced by extreme values (example : 110) but the mean yes. So the mean won't be accurate.

"Then why don't you choose the mode ? " you will ask me. That's because the mode takes the number which appears most often in a set of numbers. It couldn't be accurate at all. It will be useless for this set of numbers.
Furthermore, here there are 3 numbers which appears the most ( 2 times for each) : $85, $95 and $100. Which one will you take ?

Therefore the median is the most suitable and the most accurate to know the center because it is robust.

Now, let's find the median :

There are 10 values, so the median will be the average of the 5th and 6th values.

5th value = 85
6th value = 95

\frac{(85+95)}{2}
= 90

Therefore the median is 90.

Hope this helps !

Photon
4 0
3 years ago
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