Advertisements
Advertisements
प्रश्न
If `(-5)/7 = x/28`, find the value of x.
Advertisements
उत्तर
Given, `(-5)/7 = x/28`
⇒ 7 × x = –5 × 28 ...[By cross-multiplication]
⇒ `x = -(5 xx 28)/7 = -5 xx 4`
⇒ x = –20
Hence, the value of x is –20.
APPEARS IN
संबंधित प्रश्न
Find the product:
`(-6)/9 xx 9/11`
Find the product:
`3/7 xx((-2)/5)`
Write the Reciprocal (Multiplicative Inverse) of Rational Number, Given Below:
-3
Find the reciprocal(multiplicative inverse) of:
`3/5xx2/3`
Find the reciprocal(multiplicative inverse)of:
`(-8)/3xx13/(-7)`
Multiply the rational number, given below, by one (1):
`(-8)/13`
Verify that `("x"+"y")xx"z"="x"xx"z + y"xx"z",if`
`"x"=2," y"=4/5and "z"=3/(-10)`
Fill in the blank:
The product of two negative rational numbers is always ……………
Fill in the blank:
If two rational numbers have opposite signs then their product is always …………..
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find the rational number which when multiplied by y to get x.
