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
sweet [91]
3 years ago
14

Suppose Ken has 25 coins and nickels and dimes only and has a total of a $1.65 how many of each coin does he have?

Mathematics
1 answer:
nikklg [1K]3 years ago
6 0
x-\ number\ of\ nickels\\
y-\ number\ of\ dimes\\\\
x+y=25 \ \ \ | x=25-y\\
0.05x+0.1y=1.65\\\\
0.05(25-y)+0.1y=1.65\\\\
1.25-0.05y+0.1y=1.65\\\\
1.25+0.05y=1.65\ \ \ | subtract\ 1.25\\\\
0.05y=0.4\ \ \ \ \ | divide\ by\ 0.05\\\\
y=8\\\\
x=25-8=17\\\\
There\ are\ 17 \ nickels\ and\ 8\ dimes.

You might be interested in
Find the reference angle for a rotation of 347º.
dezoksy [38]

Answer:

If you mean the name of the angle then it's a reflex angle

3 0
3 years ago
Write the word sentence as an equation. Then solve.
Ainat [17]

Answer:

Solution: X=144

Equation: x/(-9)= -16

Step-by-step explanation:

the / is divide

the first part of the word problem states that a number x is being divided by -9, x/-9 then it states that this equation equals -16 therefore,x/-9=-16.

5 0
3 years ago
Read 2 more answers
Find the axis of symmetry of the parabola defined by the given quadratic function.
SOVA2 [1]
The answer is x = 2 which is b
4 0
3 years ago
What is a commonly accepted set of assumptions
Brrunno [24]

A _______ is a commonly accepted set of scientific ideas and assumptions.

Answer: paradigm
5 0
3 years ago
How to find a volume to a rectangular box
topjm [15]
You multiply length times width times height. 
3 0
2 years ago
Read 2 more answers
Other questions:
  • jesse needs 13 gallons of paint to finish painting the exterior of his barn if he uses 10 quarts of the paint for the doors how
    15·1 answer
  • What two integers is ∛30 between?
    15·1 answer
  • What tranformatuon were applied
    8·1 answer
  • Find the general solution of the given system. <br> dx dt = 6x − y <br> dy dt = 36x − 6y
    13·1 answer
  • yasmine is having a birthday party with snacks and activities for her guests. At one, five people are sharing three quarters of
    6·1 answer
  • NEED HELP NOW FUNCTIONS DONT SKIP
    7·2 answers
  • What type of association does the graph show between x and y?
    10·1 answer
  • -<br> -<br> What is the vertex of the quadratic function f(x) = (x - 6)(x + 2)?
    9·2 answers
  • Please help! Help Will Give 100 PTS
    13·1 answer
  • Please help this is for my study guide thanks! (no rounding)
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!