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Inga [223]
3 years ago
9

What's the mean, median, mode and midrange

Mathematics
1 answer:
AVprozaik [17]3 years ago
4 0
Mean= average( add all numbers and divide by the amount of numbers)
median=the middle number
mode= the number that occurs the most ( there can be multiple)
midrange= the average of the smallest and largest numbers
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In quadrilateral XWZY, name the angles which are consecutive with angle W
Aleksandr [31]

The consecutive angles are

Angle x

And

Angle z

3 0
3 years ago
Who was found the math​
Zolol [24]
<h3>Answer:</h3>

  • Math is not discovered, It's Invented.

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4 0
3 years ago
Bruce wants to make 50 ml of an alcohol solution with a 12% concentration. He has a 10% alcohol solution and a 15% alcohol solut
Inessa05 [86]

The equation is 0.1x + 0.15(50-x)=1.20(50)

Step-by-step explanation:

Here you need 50ml of 12% alcohol solution.

You have 10% and 15% alcohol solutions.

Take volume of 10% alcohol solution to be x ml

Take volume of 15% alcohol solution to be y ml

Form equations;

x+y=50 ml--------------------------equation 1

0.1x +0.15 y= 12% of 50

0.1x+0.15y=6-----------------------equation 2

Now you have simultaneous equations, use a graph tool to solve for values of x and y as attached.

or use the mixture equation the get value of x

0.1x + 0.15(50-x)=1.20(50)

The values of x and y are ;

(x,y) (30,20) which means;

y is 20 ml of 15% alcohol

x is 30 ml of 10% alcohol

Learn More

  • brainly.com/question/2405496

Keywords : concentration, mixture

#LearnwithBrainly

5 0
3 years ago
Emir made $182 in interest by placing $700 in a savings account with simple interest for 2 years. What was the interest rate?
Pavlova-9 [17]

Answer:

7.69230%

R=I/P×T

R=$182/$700×2

R=182/1400

R=91/700

=7.69230%

6 0
3 years ago
Lea wants to save money on a new computer. At the store near her, the computer she wants is listed at a regular price of 400.00.
Kaylis [27]

Answer:

280

Step-by-step explanation:

400.00-40%=280

7 0
3 years ago
Read 2 more answers
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