stranger123
21.05.2021 •
Mathematics
The sum of Jahiem and his sister's age is 21. If Jahiem is 7 years older than his
sister, write and solve a system of equations using ) to represent Jahiem's age and s
to represent his sister's age
Solved
Show answers
More tips
- F Food and Cooking The Disease That Haunted Abraham Lincoln...
- P Philosophy What is Something for you?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
- A Art and Culture When Will Eurovision 2011 Take Place?...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- F Family and Home Why Having Pets at Home is Good for Your Health...
- H Health and Medicine How to perform artificial respiration?...
- H Health and Medicine 10 Tips for Avoiding Vitamin Deficiency...
- F Food and Cooking How to Properly Cook Buckwheat?...
- F Food and Cooking How Many Grams Are In a Tablespoon?...
Answers on questions: Mathematics
- M Mathematics Assume you have collected data pairs (x,y) on a certain variety of tree. X is the number of weeks since the tree was planted and y is the height of the tree in inches. A plot of...
- C Chemistry Someone please help me w this...
- E English the use the drop-down menus and your knowledge of suffixes to choose the correct word for each sentence. searched for artifacts in a field. during the civil war, the country found...
- M Mathematics If a salesperson gets $22,000 as base pay and makes $1600 in commission, what is his or her total take-home pay?...
- B Biology What is the only state that has had multiple presidents from the same county?...
Ответ:
Step-by-step explanation:
I think it is meant to use "j" for Jahiem's age.
so,
j + s = 21
j = s + 7
=> s + s + 7 = 21
=> 2s + 7 = 21
=> 2s = 14
=> s = 7
=> j = s + 7 = 7 + 7 = 14
Ответ: