Question

if z is inversely proportional to x and z=5 when x=7 find the value of x when z=70

Answer 1

Answer:

Step-by-step explanation:

Hope you like the answer

Answer 2

Answer:

ʜᴇʀᴇ ɪs ʏᴏᴜʀ ᴀɴsᴡᴇʀ ⬇️

Step-by-step explanation:

ᴡʜᴇɴ ᴛᴡᴏ ɴᴜᴍʙᴇʀs ᴀʀᴇ ɪɴᴠᴇʀsᴇʟʏ ᴘʀᴏᴘᴏʀᴛɪᴏɴᴀʟ ɪᴛ ɪs ᴅᴇғɪɴᴇᴅ ᴀs:

$a = k \div b$

ᴡʜᴇʀᴇ ᴀ ɪs ɪɴᴠᴇʀsᴇʟʏ ᴘʀᴏᴘᴏʀᴛɪᴏɴᴀʟ ᴛᴏ ʙ, ᴀɴᴅ ᴋ ɪs ᴀ ᴄᴏɴsᴛᴀɴᴛ.

ᴛʜᴇʀᴇғᴏʀᴇ, ɪɴ ᴛʜɪs ᴘʀᴏʙʟᴇᴍ:

$z = k \div x$

ᴡʜᴇɴ ᴢ = 5, x = 7, sᴏ ᴡᴇ ᴄᴀɴ ᴜsᴇ ᴛʜɪs ᴛᴏ ғɪɴᴅ ᴋ:

$5 = k \div 7 \: and \: k = 35$

sᴏ ᴏᴜʀ ᴇǫᴜᴀᴛɪᴏɴ ɴᴏᴡ ʙᴇᴄᴏᴍᴇs:

$z = 35 \div x$

ᴡʜᴇɴ ᴢ = 70, ᴡᴇ ʜᴀᴠᴇ ᴛᴏ ғɪɴᴅ ᴛʜᴇ ᴠᴀʟᴜᴇ ᴏғ x:

$70 = 35 \div x \: and \: x = 1 \div 2$