fejwfwk1289
02.11.2020 •
Mathematics
Please give an explanation on why the answer is the answer PLEASE ANSWER I WILL GIVE BRAINLIEST
Solved
Show answers
More tips
- F Family and Home How to Remove Tar Stains: Tips and Recommendations from Experts...
- H Health and Medicine Novomin: What is it and how to use it?...
- P Philosophy Unbelievable stories of encounters with otherworldly forces...
- L Leisure and Entertainment How to Choose the Perfect Gift for Men on February 23rd?...
- H Health and Medicine How to Treat Whooping Cough in Children?...
- H Health and Medicine Simple Ways to Lower Cholesterol in the Blood: Tips and Tricks...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
- A Art and Culture When Will Eurovision 2011 Take Place?...
Answers on questions: Mathematics
- M Mathematics Aileen can read 1.5 pages for every page her friend can read. aileen s mom was very excited and she said to aileen: so, if your friend reads 20 pages, you can read 25 in...
- M Mathematics The picture below shows a portion of a river dam: which of the following can be used to calculate the height of the river dam? (6 points) 220 cos 40° 220 divided by tan...
- M Mathematics Jackson has 2,000 baseball cards in his collection. gave has 1/10 as many baseball cards in his collection as jackson. how many baseball cards does gave have in his collection....
- M Mathematics 6. a hotel has 56 guests.35 of the guests are male.(a) work out 35 out of 56 as a percentage....
- M Mathematics Cy has 42 basesball cards and 70 football cards that he wants to group into packages. each package will have the same number of cards, and each package will have the same...
- M Mathematics Square root of 2 divided by the cube root of 2...
- M Mathematics 100 students take a course pass/fail. if they pass they get 4 points towards their gpa, if they fail they get 0. if 90 students pass, what is the mean and standard deviation...
- M Mathematics Sophia has $12.32 in pennies. she is sorting her pennies into 11 piles. part a. sophia used partial quotients to find the number in each pile. how many pennies are in each...
- M Mathematics Which value shows 3/5 written as a percent? a. 0.35% b. 0.6% c. 6% d. 60%...
- M Mathematics Myrza’s car travels about 32 kilometers per liter of gas. if gas prices range from $1.80 to $2.10 a liter,how much money myrza will spend on gas for 1200 - km road trip...
Ответ:
20%
Step-by-step explanation:
Ответ:
$5
Step-by-step explanation:
We can solve this using a system of linear equations. The equations are written like this:
3v + 9d = 75
5v + 10d = 100 (25 more than Dawn's total is 100)
V represents video games and d represents DVDs.
Let's isolate a variable, I'm going to isolate v in the first equation:
3v = -9d + 75
v = -3d + 25
Now that we isolated v we can plug it in to the second equation:
5(-3d + 25) + 10d = 100
-15d + 125 + 10d = 100
-5d + 125 = 100
-5d = -25
d = 5
Therefore, each DVD cost $5.
Check:
3v + 9(5) = 75
3v + 45 = 75
3v = 30
v = 10
5(10) + 10(5) = 100
50 + 50 = 100
100 = 100
I hope this helps!!
- Kay :)