Kelsey had $65 to spend on books. each book cost $5.50, and there was a $7.50 fee for shipping. she let b equal the number of books she can purchase and wrote the inequality 5.5b+7.5< 65 to represent the situation. which statements describe the reasoning used to determine if kelsey’s inequality is correct? check all that apply.

[ ]the inequality symbol is correct because she must spend less than $65.
[ ]the inequality symbol is incorrect because she can spend up to and including $65
[ ]the expression 5.50b + 7.5 is correct because $5.50 per book is 5.50b and that is added to the shipping fee of $7.50 to determine the total purchase price.
[ ]the expression 5.50b + 7.5 is incorrect because $5.50 per book and $7.50 should be combined to $9.50b to determine the total purchase price.
[ ]the inequality symbol is correct because she cannot spend more than $65.

answer: the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

the given rate of interest i= 85%

in calculating the monthly payment for a loan with an interest rate compounded monthly, the value of the interest rate per period we use in the formula must be in decimal form.

to convert it in decimal, we divide it by 100, we get

hence, the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

correct answer is b. 27/8

step-by-step explanation:

d. 145*2 is 290 than the total angle is 360 then minus 290 then divide by two