friezaforceelite
20.10.2021 •
Mathematics
The ratio of the number of students at a spring concert to the number of adults is 7:3. There are a total of 450 people at the concert. many students are at the concert? How many adults are at the concert?
Solved
Show answers
More tips
- S Sport How to wrap boxing hand wraps? Everything you need to know!...
- F Family and Home How to Sew Curtain Tapes: Best Tips from Professionals...
- A Animals and plants How to Grow Lime from a Seed: Simple Tips and Interesting Facts...
- C Computers and Internet How to Create a Folder on Your iPhone?...
- G Goods and services How to sew a ribbon: Tips for beginners...
- F Food and Cooking How to Make Mayonnaise at Home? Secrets of Homemade Mayonnaise...
- C Computers and Internet Which Phone is Best for Internet Surfing?...
- F Food and Cooking Everything You Need to Know About Pasta...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
Answers on questions: Mathematics
- M Mathematics Which MUST be a square?...
- M Mathematics Rewrite the equation by completing the square: x^2 + 4x - 21 = 0...
- M Mathematics Find the modulus of -10+24i...
- M Mathematics This is a quiz and i need help asap pls !!...
- M Mathematics Mark s dad gave him $125 to spend at the mall. He spent 50% of that money on clothes. How much money did Mark spend on clothes?...
- M Mathematics 1. What is the axis of symmetry of the equation? (1 point) y= (x - 3)2 + 4 x=-3 x=3 x=-4 x=4...
- M Mathematics All the pictures are in order for every question 1.) Which is the correct classification for the triangle?A.) right triangle B.) acute triangleC.) obtuse triangleD.) equiangular...
- M Mathematics In 2010, the number of houses built in Town A was 25 percent greater than the number of houses built in Town B. If 70 houses were built in Town A during 210, how many were built...
- M Mathematics PQRS is a rectangle. Find ST....
- M Mathematics What’s cos10 in terms of sine? Any help is greatly appreciated ʕ•ᴥ•ʔ...
Ответ:
students=315 adults=135
Step-by-step explanation:
3s=7a
s+a=450
s=450-a
3(450-a)=7a
1350-3a=7a
1350=7a+3a
1350=10a
a is 135
a is adult
s=450-a
s=450-135
s=315
branlist please
Ответ:
They both scored 50 points
Step-by-step explanation:
2x + 30 = 3x + 20
(Combine like terms)
-x = 20 -30
-x = -10
x = 10