![gracemartin4535](/avatars/27331.jpg)
gracemartin4535
04.07.2019 •
Mathematics
Astore received a delivery that consists of x boxes that weigh 30 pounds each and y boxes that weigh 20 pounds each. there are 64 total boxes in the delivery and they have a combined weight of 1400 pounds. enter the number of boxes in the delivery that weigh 20 pounds.
Solved
Show answers
More tips
- F Food and Cooking How to Make Napoleon Cake: A Step-by-Step Guide...
- H Health and Medicine How to Increase Hemoglobin in the Blood...
- F Food and Cooking How to Make Chebureki: A Delicious Recipe for Russian Street Food...
- S Style and Beauty Ultimate Guide on How to Care for Suede Shoes...
- T Travel and tourism How to Use a Compass: A Beginner s Guide...
- D Dating, Love, Relationships Does a Person s Character Depend on the Color of Their Eyes?...
- F Food and Cooking Is it Really Possible to Cook Tasty Colored Cauliflower?...
- H Health and Medicine Why do our Joints Crack?...
- H Health and Medicine These Food Additives Can Do Significant Harm to Your Health...
- F Food and Cooking How to Choose the Right Olive Oil: A Comprehensive Guide...
Answers on questions: Mathematics
- M Mathematics 3. The local swim center is making a special offer. The normal, full price charge is $7 per day to pool. As a special offer, this month swimmers can pay an enrollment...
- M Mathematics Find the exact pf a waffle ice cream cone with a 15-in. Diameter and a height of 25 inches....
- M Mathematics O A. 11 listen . Olivia hopes to complete of the levels of her computer game by the end of the week. So far, she has completed of the levels. What part of the levels must...
- M Mathematics Which interval contains a local minimum for the graphed function? O 14.-2.5] O [-2, -1] O [1, 2] O [2.5, 4] (1.7.0.7) 425 (3.44,0) 4. х -0.44, 14.31 (3, 4) Mark this and...
- M Mathematics When a system has exactly one point of intersection, what does that point of intersection mean about the system?...
- M Mathematics A rectangle is 5 feet long and 7 yards wide. What is the area of the rectangle in square inches? (Hint: 12 inches=1 feet, 3 feet=1 yard)...
- M Mathematics What is the angle of rotation for a regular 25-gon? Enter your answer, as a decimal, in the box....
- M Mathematics How do you find the range of all possible third sides given two sides of a triangle?...
- M Mathematics A 12.5 oz bag of Doritos for $3.79 or a 3 oz bag for $1.00...
- M Mathematics I need help ASAP please...
Ответ:
Let the number of 30 pound boxes represented by =x
Let the number of 20 pound boxes be represented by =y
As given, there are 64 boxes so equation is:
Total weight is 1400 pounds so equation becomes
Plug in the value of
in 2nd equation
Hence, the number of boxes for delivery that weigh 20 pounds is 52.
Ответ:
Always add half of the "b" value squared
ax² + bx + c
Step-by-step explanation:
x² - 11x + 5.5² = (x - 5.5)²