+0

# The variables x and y are directly proportional, and y = 2 when x = 3. What is the value of y when x = 9 ?

0
58
1

The variables x and y are directly proportional, and y = 2 when x = 3. What is the value of y when x = 9 ?

Apr 10, 2020

#1
+111329
+3

We have that

y = k*x

And we know that

2 = k*3

k = 2/3

And  when x  =  9

y = (2/3) (9)  =    6

Apr 10, 2020
{"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/math/codecogs": 0, "mathtex.cgi": 0, "katex": 0, "math-container": 0, "wp-katex-eq": 0, "align": 0, "equation": 0, "x-ck12": 0, "texerror": 0, "url": "https://web2.0calc.com/questions/the-variables-x-and-y-are-directly-proportional-and", "fetch_time": 1591274598000000000, "content_mime_type": "text/html", "warc_filename": "crawl-data/CC-MAIN-2020-24/segments/1590347439928.61/warc/CC-MAIN-20200604094848-20200604124848-00299.warc.gz", "warc_record_offset": 572069187, "warc_record_length": 5907, "token_count": 153, "char_count": 372, "score": 3.765625, "int_score": 4, "crawl": "CC-MAIN-2020-24", "snapshot_type": "latest", "language": "en", "language_score": 0.8095539212226868, "file_path": "/sailhome/yjruan/project/latent-lm/data/processed/finemath-4plus/finemath-4plus/train-00014-of-00064.parquet"}