mrsfitz98
22.01.2020 •
Mathematics
The 9th term of an arithmetic progression is 8 and the 4th term is 18.
find the 1st term and the common difference, d.
Solved
Show answers
More tips
- D Dating, Love, Relationships Is it a Compliment or Flattery: What s the Difference?...
- H Health and Medicine What Are the Best Vitamins? A Scientific View on Vitamin Supplements...
- F Food and Cooking From Latte to Espresso: Which Coffee Drink is the Most Popular on Earth?...
- C Computers and Internet How to Set Up Internet on iPhone? Detailed Guide with Step-by-Step Instructions...
- F Family and Home How to Teach Your Child to Speak: Tips and Recommendations...
- P Philosophy Agnosticism: Opinion or Belief?...
- S Style and Beauty How to choose the best mascara for your eyelashes...
- F Food and Cooking Discover Delicious Recipes You Can Make with Ground Meat...
- C Computers and Internet Google Search Tips and Tricks: Everything You Need to Know...
- S Science and Technology Why is there no gravity on other planets?...
Answers on questions: Mathematics
- M Mathematics I need help solving this step by step. Work would be nice so I can look and understand it so I can try a different problem. ...
- M Mathematics Assume that a population of interest has a uniform distribution on the interval [0, θ], where θ is an unknown parameter we wish to estimate. Let {X1, X2, …, XN} be a random...
- M Mathematics The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures students’ attitudes toward school and study habits. Scores range from 0 to 200. Higher...
- M Mathematics Read the graph that displays interest and total payments on a loan. A 3-column table titled Interest and Total payments 10,000 dollar loan over 5 years has 4 rows. The...
- M Mathematics A spherical balloon is inflated at a rate of two cubic feet per minute. How quickly is the radius expanding when there is already 4π/3 cubic feet of air in the balloon?...
- M Mathematics Purnima took a loan of RS.100,000 from bank at the rate of 10 % compound interest . Immediately she lent the whole amount to her friend at the rate of 10 % compound half...
- M Mathematics Beth wants to know the average value of a card in a standard 52-card deck. She sets the value of aces to 1, jacks, queens, and kings to 10, and all other cards to their...
- M Mathematics What does the red X stand for on this line plot?...
- M Mathematics Thank you if you can help!...
- M Mathematics 30% of 50 what’s the easiest and fastest way to solve it?...
Ответ:
a = 24 and d = -2
Step-by-step explanation:
The 9th term = a + 8d
the 4th term = a + 3d
from the question it is given that
a + 8d = 8(1)
a + 3d = 18(2)
Solve the two equations simultaneously we will be a = 24 and d = -2
Ответ:
Yes
Step-by-step explanation:
First you take off 33%, then add the sales tax, in this case the price with the discount is $703.50, the you multiply that by 1.07 and get your answer with tax and discount of $752.75 ( when you round up)