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3 years ago

Do anyone idc just please I need help!!!!

Mathematics

1 answer:

aalyn [17]3 years ago

3 0

I did a few, to show you how.
Slide 1:
A) class A; range of 7
B) class a; 5.5
C) class b; 6.7 appx
D) class a

These are how to find each one:

Mean: add all the numbers and divide by the number of numbers. Ex. 1+2+3= 6/3=2
Median: middle of the numbers
Range: take the smallest value away from the largest value
IQR: find the median; find the range of the numbers above and below the median. Take the range of those two numbers that is the IQR
MAD: find the mean; take absolute value of numbers and subtract mean (|x|-mean); find sum of absolute value and difference; divide by the number of numbers.

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Mary can either take her lunch or buy it at school. It cost 1.95 to buy lunch. If she wants to spend no more than $30 on lunch p

yaroslaw [1]

Answer:

She can buy 15 lunches.

Step-by-step explanation:

1.95x15=29.25

3 0

3 years ago

Please help i will give brainliest

inysia [295]

Answer:

Step-by-step explanation:

Take the area of the yard and subtract from it the area of the pool. In quadratic form, the area of the pool is

$2x^2-x-28$

Subtracting the area of the pool from the area of the yard:

$3x^2-14x-5-(2x^2-x-28)$

Since the negative in front of the parenthesis will change the signs inside:

$3x^2-14x-5-2x^2+x+28$

Combine like terms to get the area left after the pool goes in:

$x^2-13x+23$

8 0

3 years ago

Determine the best name for the quadrilateral

NemiM [27]

Answer:

this is a paralleogram

Step-by-step explanation:

8 0

3 years ago

3 times the sum of 1/3 of<br> a number and 8 is 11

Anni [7]

Answer:

I guess this is how to do it....

3×(1/3 of x + 8)=11.

use the 3 to multiply the numbers in the bracket.

3x+24=11.

3x=11-24.

3x=-13.

x= -13/3.

x= -4.33.

4 0

3 years ago

Which expression is equivalent to ? (2^1/2 times 2^3/4)^2

Ipatiy [6.2K]

⭐︎✳︎⭐︎✳︎⭐︎✳︎⭐︎✳︎⭐︎✿⭐︎✳︎⭐︎✳︎⭐︎✳︎⭐︎✳︎

Hi my lil bunny!

❀ _____.______❀_______._____ ❀

$(\frac{2^1(2)^3}{4}^2)\\\\= (\frac{\frac{2(2^3)}{2} }{4})^2 \\\\= (\frac{1(2^3)}{4}) ^2\\\\= ( \frac{(1)(8)}{4} )^2\\\\= (\frac{8}{4})^2\\ \\= 2^2\\= 4$

So the answer is : $= 4$

❀ _____.______❀_______._____ ❀

Xoxo, , May

⭐︎✳︎⭐︎✳︎⭐︎✳︎⭐︎✳︎⭐︎✿⭐︎✳︎⭐︎✳︎⭐︎✳︎⭐︎✳︎

Hope this helped you.

Could you maybe give brainliest..?

4 0

3 years ago