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3 years ago

What are the Six steps of statistical investigation ?

1 answer:

5 0

Step 1ask a research questionstep 2design a study and collect datastep 3explore the datastep 4draw inferences beyond the datastep 5formulate conclusionsstep 6look back and ahead

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Is someone smarten than me plz

lilavasa [31]

Answer:

11.70

Step-by-step explanation:

d=√((16-5)^2+(14-10)^2)=11.7046999...

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3 years ago

What is the solution to -2(8x - 4) < 2x + 5?

Diano4ka-milaya [45]

Answer:

1. or a

Step-by-step explanation:

hope this helps!

please mark me brainliest! thanks!

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3 years ago

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Round 1235.5 to the nearest tenths

ratelena [41]

1240

hope it helps...!!!

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2 years ago

Find the distance between the points A(2,-1) and B(-4, 2). (simplify your answer)

Pani-rosa [81]

Answer:

$d = 3\sqrt{5}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra II

Distance Formula: $d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

Step 1: Define

Point A (2, -1)

Point B (-4, 2)

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d.

Substitute [DF]: $d = \sqrt{(-4-2)^2+(2+1)^2}$
Subtract/Add: $d = \sqrt{(-6)^2+(3)^2}$
Exponents: $d = \sqrt{36+9}$
Add: $d = \sqrt{45}$
Simplify: $d = 3\sqrt{5}$

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3 years ago

Hi I am really bad at math and need to know about fractions I HATE MATH I’m super nervous so ya if you know anything about fract

Gnoma [55]

Answer:

how to add and subtract fractions

Step-by-step explanation:

ok so we can start with adding so when you add fractions you can first start out by making the denominators the same number to make it easier so here is an example

7/9 + 3/10 you could make the denomonatiers the same or just do 9x10 and 7x10 + 3x9 and 10x9 and then if you multiply the numbers and added up all the sums you would get to fractions 70/90 + 27/90 so you add them up and science the denominators are the same you just leave them the same number so it would just be 70+27 so you would get 97/90 and because the denominator is 90 and we have 97 for the numerator 97 fits into 90 1 time with 7 left over so the whole number would be 1 and then 7/90

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3 years ago

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