Answer:
x = 25
Step-by-step explanation:
Noting that these figures are similar, we set up and solve an equation of ratios:
x 30
---- = ------
15 18
Cross multiplying, we get:
18x = 30(15), or 3x = 5(15) = 75. Then x must be 25.
Answer:
the answer is 87
Step-by-step explanation:
Answer:
9 th term
Step-by-step explanation:
Equate 65 - 4n to 29 and solve for n , that is
65 - 4n = 29 ( subtract 65 from both sides )
- 4n = - 36 ( divide both sides by - 4 )
n = 9
Answer:
20 <h<30
Step-by-step explanation:
There are 30 plants so the medians is 30/2 = 15, between the 15 and 16 items
15 and 16th items are in the range 20 to 30, so the median is between 20 to 30
20 <h<30
Answer:-7y-14
Step-by-step explanation:
-7(y+2)
-7 x y + - 7 x2
-7y-14
