1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
seraphim [82]
3 years ago
11

Dave Bowers collects us gold coins He has a collection of 53 coins some are $10 coins, and the rest are $20 coins lf the face va

lue of the coins is $750, how many of each denomination does he have?
Mathematics
1 answer:
Molodets [167]3 years ago
3 0
Let x be the number of coins at $10

The number of coins at $20 are 53-x


Hence the equation:


10.x + 20(53-x) = 750

Solve for x & you will find x =31 (at $10/each) and the others, 22 at $20 each)
You might be interested in
I can't write the problem but I’ll insert in the picture
Hoochie [10]
It’s 60 degrees
Ex: the total number when the degrees is added together should be 180
8 0
3 years ago
What is the answer to 5(6p+5)
AfilCa [17]

Answer:

30p + 25

Step-by-step explanation:

I hope this helps.

3 0
3 years ago
Says the directions in the picture.<br> Please help me before my next geometry class tomorrow.
SashulF [63]
Distance formula= [(x2-x1)^2 + (y2-y1)^2]^1/2
Origin= white house = (0,0)
Capitol= (2300,800) 
Put the value,
(2300² + 800² )^1/2
= 2435 meters
Thus distance is 2435 m
3 0
4 years ago
The steps to solve this problem
Free_Kalibri [48]
I can't see an imagine I'm really sprry
4 0
3 years ago
I need help with number 16 please.
Ugo [173]
Do it ur self etc so don't ask me
8 0
3 years ago
Other questions:
  • Alma bought a laptop computer at a store that gave a 20 percent discount off its original price. The total amount she paid to th
    7·1 answer
  • ABCD is a quadrilateral inscribed in a circle, as shown below: Circle O is shown with a quadrilateral ABCD inscribed inside it.
    14·1 answer
  • What is the converse of the conditional statement?
    11·1 answer
  • According to the graph, what is the value for the RANGE when the DOMAIN is 0?
    8·2 answers
  • (Will give brainlyist) Please someone tell me how to solve these questions and give me the answer
    14·2 answers
  • Which equation represents the data in the table shown?
    10·2 answers
  • A town has a population of 17000 and grows at 3% every year. What will be the population after 7 years, to the nearest whole num
    9·2 answers
  • there are 30 students in a class. five of them are randomly selected to form a dance comittee how many different comittees can b
    10·2 answers
  • What is the slip of the line shown in the graph A) -2 B) -1 C) 1/-2 or D) 1/2
    13·1 answer
  • Please help I will give brainliest
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!