paolaf3475
10.03.2020 •
Mathematics
What are the solutions to the equation
Solved
Show answers
More tips
- C Computers and Internet How to Learn to Type Fast?...
- A Art and Culture Who Said The Less We Love a Woman, the More She Likes Us ?...
- F Family and Home Parents or Environment: Who Has the Most Influence on a Child s Upbringing?...
- H Health and Medicine Is it true that working with a computer is harmful to your eyesight?...
- H Health and Medicine Boosting Immunity: A Complete Guide on How to Improve Your Body’s Natural Defenses...
- P Philosophy Unidentified Flying Object - What is the Nature of this Phenomenon?...
- C Computers and Internet How to Teach Older Generations to Work with Computers?...
- G Goods and services How to Choose a Coffee Maker? The Ultimate Guide for Coffee Lovers...
- C Computers and Internet Porn Banner: What It Is and How to Get Rid Of It?...
- F Food and Cooking How many stages of coffee roasting are there?...
Answers on questions: Mathematics
- M Mathematics Ellie uses 12.5 pounds of potatoes to make mashed potattoes. she uses one tenth as many pounds of butter as potatoes. how many pounds of butter does ellie use?...
- M Mathematics PLEASE HELP im confused rn...
- M Mathematics A wooden block each is placed on a wooden table and wooden ramp, as . The blocks are identical in respects gram weights are added placed on the to move which statement explains...
- M Mathematics Pau Gasol is shooting free throw. Making or missing free throws doesn t change the probability that he will make his next one, and.he makes.his free throws 82% of the time....
- M Mathematics 1 4/5 + (2 3/20+ 3/5 )=...
- M Mathematics Determine the arc length of the circle sector. 30 grados es el angulo y 4 cm...
- M Mathematics A car was valued at $29,000 in the year 1994. The value depreciated to $11,000 by the year 2001. A) What was the annual rate of change between 1994 and 2001? r= Round the...
- M Mathematics 30% of the library books in the fiction section are worn and needs replacement.10% of the nonfiction holding are worn.the library’s holdings are 60% fiction and 40% nonfiction.find...
- M Mathematics How do we solve this??...
- M Mathematics Given the following perfect square trinomial, fill in the missing term. (Do not type the variable in the blank.) (2 points) 4x2 + ___x + 49...
Ответ:
Step-by-step explanation:
4) y²-1=48
y²=49
y=±7
option C -7 and 7
5) x²=289
x=±17
-17 and 17
Ответ:
Step-by-step explanation:
hello :
y²-1=48
y²-49=0
y²-7² =0
(y-7)(y+7)=0
y-7=0 or y+7 =0
y=7 or y = -7
Ответ:
We first find our z-score. We want a 95% confidence interval:
0.95/2 = 0.475
Looking this up in the z-table, (http://www.statisticshowto.com/tables/z-table/) we see the z-score is 1.96.
The formula we will use is:
In this problem, p = 20/100 = 0.2, and n=100: