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
Nookie1986 [14]
3 years ago
12

A collection of nickels and dimes has a value of 1.85. The value of the dimes is 0.10 less than twice the value of the nickels.

Which system of equations can be used to find the number of nickels and the number of dimes
Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
8 0

Step-by-step explanation:

Let n be the number of nickels and d be number of dimes.

Since we know that the value of one dime equals $0.10 and value of 1 nickel is $0.05, therefore, value of n nickels will be 0.05n and value of d dimes will be 0.10d.

We have been given that a collection of nickels and dimes has a value of 1.85.

Let us represent this information in an equation.

0.05n+0.10d=1.85...(1)

We have been given that the value of the dimes is 0.10 less than twice the value of the nickels.

We can represent this information in an equation as:

0.10d+0.10=2*(0.05n)...(2)

Therefore, our system of equations that can be used to find the number of nickels and the number of dimes is:      

0.05n+0.10d=1.85...(1)  

0.10d+0.10=2*(0.05n)...(2)

You might be interested in
Find the equation of the line through (6,4) and (-3,-8)
alexdok [17]

Answer:

y = 4/3x - 4

Step-by-step explanation:

to find the equation of a line with 2 points, we use the slope formula which is:

\frac{y_2-y_1}{x_2-x_1}

we will use (6,4) as x_1[tex] and [tex]y_1 and we will use (-3,-8) as x_2[tex] and [tex]y_2. we plug this into the slope formula:

\frac{-8-4}{-3-6}

-8 - 4 = -12

-3 - 6 = -9

the slope is \frac{-12}{-9}

but we can simplify this further by dividing the fraction by -3

-12 / -3 = 4

-9 / -3 = 3

the simplified version of the slope is \frac{4}{3}

we can write this in slope-intercept form which is y =mx + b, with b being the y intercept and m being the slope

y = 4/3x + b <--- we need to solve for <em>b</em> in order to find the y intercept, so substitute x & y for a point on the line, we can use any point we are given, but for this example i will use (6,4)

4 = 4/3(6) + b < multiply 4/3 x 6

4 = 8 + b < subtract 8 from both sides

-4 = b

our y intercept would be (0,-4)

the equation looks like the following:

y = 4/3x - 4, which is our answer

3 0
3 years ago
In Nivedha's closet, the ratio of shorts to skirts to dresses is 4 to 3 to 2.
Olin [163]
Wait whats the question

3 0
3 years ago
The scatter plot below shows the relationship between drop height and speed of a roller coaster.
attashe74 [19]

Answer: I believe it is Response 3

Step-by-step explanation:

3 0
3 years ago
5x-2+3x=17+12x-23<br> please show all steps
vlabodo [156]
5x-2+3x=17+12x-23 combine like terms 
8x-2=12x-6
-8x    -8x
-2=4x-6
+6     +6
4=4x divide each side by 4 
x=1 
5 0
3 years ago
I'LL G IVE U 42 POINTS JUST ANSWER TH IS QUICK PLEASE!!
ZanzabumX [31]

Answer:

The surrender of Detroit

Step-by-step explanation:

The other two were american victories, the surrender of Detroit was a Indian/British victory and an early one in the war

4 0
3 years ago
Read 2 more answers
Other questions:
  • A shark was swimming at 20 feet below sea level. it descended 36 feet. where is it now?
    5·1 answer
  • What is the value of x? Enter your answer in the box.<br><br><br><br> i need to post graph
    15·1 answer
  • Find the value of x. 6+3x and x+14?
    5·2 answers
  • What is the graph of 3x + 5y = –15?
    7·2 answers
  • $1.50 increased by 15%
    12·1 answer
  • In a market, 44 of the 80 types of vegetables are grown locally. What percent of the vegetables are grown locally? Identify the
    10·1 answer
  • What is the sale price of an item that was originally $95 with a 35%<br> discount?
    7·2 answers
  • Frank is going to throw a ball from the top floor of his middle school. The function
    7·1 answer
  • What is 2 divided by 1,1132?
    14·1 answer
  • Please answer these questions! i’ll give brainliest to the first person who finishes!!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!