Answer:
Correct choice is B
Step-by-step explanation:
Let x% be your final test score, then the average of all test scores is
Since you must have an average between 80% and 89%, then
X is measured in percent, then the greatest value of x can be 100%. You get that
Answer:
step 1
Step-by-step explanation:
step 1 he made the mistake
should have been:
h - 2 = 20
Well first you have to do distributive property with the parenthesis, multiply 5 times x and 5 times 3 to get 5x and 15 now you have 14+5x+15-7x, now add common like terms(these are terms taht have the same number variable or both) so your common numbers will be 14 and 15, and 5x and -7x now add or subtract them to get -2x+29 now you have to set x by itself so set this binomial equal to 0 to get -2x+29=0 subtract the 29 from both sides and get -2x=-29 now divide 2 by both sides to get x=29/2
Hope this helps
Answer:
240 students are boys
Step-by-step explanation:
20% of 300 = 60
300 - 60 = 240
Answer:
21600cm^3
Step-by-step explanation:
7200cm^3÷30cm=24cm
24cm×30cm×40cm
=21600cm^3
