Answer:20
Step-by-step explanation:
Becuase since we have the quadratic formula we can deduce the ratio
The answer is 12. I got it by dividing 2/3 into 8. I used keep change flip. First I made 8 a fraction by putting one as it's denominator. Then I changed division to multiplication. After that, I flipped the fraction from 2/3 to 3/2. Then I multiplied across. My answer was 24/2. I simplified and got my final answer of 12.
I hope this helps you
A ) 7 less than triple a number
B ) 7 more than triple a number
C ) 3 less than seven time a number
D ) 3 more than seven time a number
answer is B
5 : 3 = 30:x where x = number of south american butterflies
5/3 = 30 / x
5x = 90
x = 18
there are 18 south american butterflies in the park
Answer:
B:11.0
Step-by-step explanation:
25*11.2 =280 =total scales of 25 people
New Total scales = 280 + {10, 14, 15, 1} = 320 scales
New total number of people did the survey = 25 +4=29
New mean = New Total scales/New total number of people did the survey
=320/29 = 11.0344 =11.0