10) A sports shop sold 5000 baseball cards this year in a four month
period from the 1st of April until the end of July. 30% of the cards
were sold in the month of May. There were 300 more cards sold during
June than in July and 400 less cards were sold during April compred to
July. What percentage of cards were sold in April?

show step by step please

12m

step-by-step explanation:

square root means have of a number so have of 3 is 1.5 then multiply it by 8 and you get your answer!

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !

19

step-by-step explanation:

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify