Taliyah has 174 coins in her collection of dimes and nickels. The total value of the collection is $15.20. How many dimes does she have in her collection?

Answers

Answer 1

Answer:

130 dimes

Step-by-step explanation:

A nickel is worth 5 cents = 0.05n

A dime is worth 10 cents = 0.10d

Taliyah has 174 coins in her collection of dimes and nickels.

n + d = 174

n = 174 - d

The total value of the collection is $15.20.

0.05n + 0.10d = $15.20

We substitute 174 - d for n

Hence:

0.05(174 - d) + 0.10d = 15.20

8.7 - 0.05d + 0.10d = 15.20

- 0.05d + 0.10d = 15.20 - 8.7

0.05d = 6.5

d = 65/0.05

d = 130 dimes

The number of dimes she has in her collection is 130 dimes


Related Questions

I'll give brainliest!!!! help!

A ball is thrown in the air from a platform that is 64 feet above ground level with an initial vertical velocity of 32 feet per second. The height of the ball, in feet, can be represented by the function shown where t is the time, in seconds, since the ball was thrown.

h(t) = -16t2 + 32t + 64

Which of the following equations shows the function rewritten in the form that would be best used to identify the maximum height of the ball?

A.
h(t) = -16(t – 1)2 + 80

B.
h(t) = -16(t – 2)2 + 128

C.
h(t) = -16(t – 2)2 + 112

D.
h(t) = -16(t – 1)2 + 96

Answers

The answer is A just trust me

Answer:

I'll write something just to help that person be the brainliest

Step-by-step explanation:

TRUE OR FALSE:

6a - a = 5a

Answers

Answer:

false

Step-by-step explanation:

Answer:

True

Step-by-step explanation:

Mark jogged 3 and5/7 km. His sister jogged 2 and 4/5 km. How much farther did mark jog?

Answers

Answer: 32/35 km

Step-by-step explanation: First you have to find a common denominator between these two mixed numbers. That basically means that you have to convert them so that they both have the same denominator, that way they can be compared to one another. The easiest way to do this is to just multiply the denominators. 5 x 7 = 35. I will use 35 as my denominator. Then you multiply the numerators by the same number that you multiplied the denominator by to get 35. Since 7 x 5 = 35, 5 x 5 = 25. Same with the second fraction. 5 x 7 = 35. 4 x 7 = 28. The mixed numbers we have are now 3 and 25/35 and 2 28/35. To figure out how much farther Mark jogged we just take his distance, and subtract his sister's distance from it. 3 25/35 minus 2 28/35 = 32/35.

Help me please time Limit on this

Answers

Answer:

4 toy trains

Step-by-step explanation:

Which graph is a function on top

Which graph is not a function on bottom

Answers

Answer:

3) 3

4) 3

Step-by-step explanation:

A function is a line where the x value never repeats

pls help I'm crying rn​

Answers

Answer:

I hate these so much, so I understand your pain :(

Step-by-step explanation:

1. <8

2. <4

3. <2

4. <3

I truly hope this helps, have a great day/night!

they might not all be correct but I think they are :)

Three teams, A, B and C, play in a competition.
games won by A: games won by B = 3:1
games won by B: games won by C = 5:1
Team B has won 10 games.
In total, how many games have the three teams won?

Answers

Answer:

42 games

Step-by-step explanation:

From the ratio, we can deduce that;

For every 3 games A won, B won 1

Thus, if B won 10, then A has won 3(10) = 30

From the second part;

For every 1 game won by C, B won 5

since B won 10, then C won 10/5 = 2

So the total number of games won is;

A + B + C

= 2 + 30 + 10 = 42 games

1. What is the actual length of the truck?
1 cm = 1.7 feet
The gridlines are spaced 1 cm apart.

Answers

The answer is 1.7 feet. I gochu bro

Answer:

20.4

Step-by-step explanation:

evaluate the expression 8x + 23 for x= 3

Answers

Plug 3 in for x and solve 8(3)+23 the answer is 47

Answer:

47

Step-by-step explanation:

8×3+23

24+23

47

is the answer

What is the rate of change of the volume of the cylinder at that instance (in cubic kilometers per second)?

Answers

Answer:

hello your question is incomplete attached below is the complete question

answer : -2400 π

Step-by-step explanation:

dr/dt = -12 km/s

h = 2.5 km

r = 40 km at some instant

hence the rate of change of Volume of cylinder at that instance

= dv / dt = [tex]d(\pi r^h ) / dt[/tex]  

              = [tex]\pi h\frac{d(r^2)}{dt}[/tex]  = [tex]-\pi h *2r *dr/dt[/tex]

hence ; dv / dt = -2400 π

solve.
-7 2/3 + (-5 1/2) + 8 3/4

Answers

Answer:

-53/12

Step-by-step explanation

If you break it down it looks like this:

-23/3 + (-11/2) + 35/4

multiply them so that all their denominators are a similiar multiple (which is 12)

-92/12 - 66/12 + 105/12 = -53/12

10 points!!HELPP ME PLEASE ❗️❗️4. Figure HJKL - Figure PQRS

Which of the following completes this proportion?
HJ/PQ =HL/?

A KL
B PQ
C RS
D PS

Answers

Answer:

B I think b djdjdjdjddhjssj

Please Help I will really appreciate it

Answers

Answer:

58.18

Step-by-step explanation:

640/11

Answer:

c

explanation

640/11=58.18...

Evaluate the function expression
5•f(1)+5•g(9)=​

Answers

Step-by-step explanation:

By getting our values from the graph,

When x = 1, the blue line has y-value -5.

When x = 9, the dotted line has y-value -6.

Hence,

f(1) + 5 * g(9) = (-5) + 5(-6) = -35.

Answer:

From the above graph,

→When x=1, y=f(1)=-5

→When x=9, y=g(x)=-6

• 5×f(1)+5×g(9)

=5{f(1)+g(9)}

=5{(-5)+(-6)}

=5(-11)

=-55

-55 is the right answer.

What number would you add to both sides of x2 + 7x = 4 to complete the square?
2^2
7^2
7^2/2
(7/2)^2

Answers

Answer:

(7/2)2

Step-by-step explanation:

If p = q^r, q=r^p and r=p^q, prove that prq=1.​

Answers

Rewrite each given equation as

[tex]p=q^r\implies \log_p(p)=\log_p(q^r)\implies 1=r\log_p(q)\implies r=\dfrac1{\log_p(q)}=\dfrac{\ln(q)}{\ln(p)}[/tex]

[tex]q=r^p\implies \log_q(q)=\log_q(r^p)\implies 1=p\log_q(r)\implies p=\dfrac1{\log_q(r)}=\dfrac{\ln(r)}{\ln(q)}[/tex]

[tex]r=p^q\implies \log_r(r)=\log_r(p^q)\implies 1=q\log_r(p)\implies q=\dfrac1{\log_r(p)}=\dfrac{\ln(p)}{\ln(r)}[/tex]

where each of the last equalities follows from the change-of-base identity,

[tex]\log_m(n)=\dfrac{\log_b(n)}{\log_b(m)}[/tex]

for any base b > 0 and b ≠ 1. I picked the natural base, e.

Then

[tex]prq=\dfrac{\ln(r)}{\ln(q)}\times\dfrac{\ln(q)}{\ln(p)}\times\dfrac{\ln(p)}{\ln(r)}=1[/tex]

as required.

Can someone help me?

Answers

Answer:

The answer is 70

The answer should be seventy

PLEASE HELP!! A community group would like to raise funds to pay for improvements to the community swimming pool. The group’s leaders are considering a number of methods to assess community interest in raising funds. Which of the following uses convenience sampling?

A. The group sends a survey through the mail to all community residents.
B. The group places a survey on a webpage where residents can register their support.
C. The group stands outside a shopping center and asks residents who enter if they support raising funds.
D. The group selects a random sample of homes in the community, and residents in those homes are interviewed.

Answers

Answer:

C

Step-by-step explanation:

Because convenience sampling is based on convenience

Also Edge 2021

2. Which of the following is the solution of the system of equations shown? A. (−3, −4) B. (–3, 4) C. (3, 4) D. (3, –4). Please show an explanation

Answers

Ummmm, when I click into the pictures it’s all black?

At the beginning of the year, John had $40 in savings and saved an additional
$13 each week thereafter. Isaac started the year with $80 and saved $9 every
week. Let J represent the amount of money John has saved t weeks after the
beginning of the year and let I represent the amount of money Isaac has
saved t weeks after the beginning of the year. Write an equation for each
situation, in terms of t, and determine the number of weeks after the
beginning of the year until John and Isaac have the same amount of money
saved.

Answers

Answer:

J= 40+13t

I= 80+9t

they are equal at 10 weeks

Step-by-step explanation:

So we can start this by writing our equations

J= 40+13t

I=80+9t

To figure out when they're equal set the two equations equal to each other and solve for t

40+13t=80+9t

subtract 40 and 9t from both sides to get

40=4t

divide by 4 and get

t=10

what is 15.5z= - 77.5 i'm confused

Answers

Answer:

z=-5

Step-by-step explanation:

divide -77.5 by 15.5, which equals -5

helpppppp Pleaseee :)

Answers

answer: 5 only (?).
n= 5 or -5

the absolute value is the count away from 0 so n could be 5 which is 5 units from 0 or -5 which is also 5 units away from 0.

Write an algebraic expression for "8 less than the product of 3 and j"

Answers

Answer: 3(j)-8

Step-by-step explanation: well first the product means multiplication, so u multiply 3 and j. and the second part is 8 less than that, so 8 is the last part so u do 3 times j minus 8. i graduated from high school last year so i know what im doin

The algebraic equation will be "3j - 8".

According to the question,

Let,

The first number be "3".The second number be "j".The third number be "8".

Now,

The product of "3" and "j" will be "3j" and the third number i.e., "8" less than the product.

Then the equation will be:

[tex]3j-8[/tex]

Thus the above response is appropriate.

Learn more about equation here:

https://brainly.com/question/19800103

Explain the difference between
(-1) and
-14

Answers

Answer:

13

Step-by-step explanation:

-1--14

-1+14

13

Find the slope of the line through
the points (-2, 1) and (0,4).
Asap taking a test!!!

Answers

Answer:

m= 3/2

Step-by-step explanation:

What is the unit rate of 600 miles in 7 hours ?​

Answers

Answer:

85.7

Step-by-step explanation:

87.7 miles an hour. Just divide 600 by 7

can someone please help me find x.

Answers

Answer:

We have similar triangles Hence 6x+2=x+35x=1 x=1/5

Olivia's cell phone bill last month was $125. This month her bill is $85. What is the percent of change in Olivia's bill?

Answers

Answer:

32%

Step-by-step explanation:

Olivia's cell phone bill last month was $125. This month her bill is $85. What is the percent of change in Olivia's bill?

The formula for Percent change =

Amount of change/Original amount × 100

Amount of change = Original amount = New amount

Original Amount/bill = $125

New amount/bill = $85

= $125 - $85

= $40

Percent change = $40/$125 × 100

Percent change = 0.32 × 100

Percent change = 32%

Therefore, the percent of change in Olivia's bill is 32%

Describe the slope in the graph of the following linear function.

Answers

Answer:

the first one

Step-by-step explanation:

Answer:

2nd one

Step-by-step explanation:

because you go down 4 and across 3

A salesperson at a jewelry store earns7​% commission each week. Last​ week, jarrod sold 450$ worth of jewelry. How much did he make in​ commission? How much did the jewelry store make from his ​sales?

Answers

Answer:

he made $31.50 in commission

the jewelry store made $418.50

Step-by-step explanation:

turn the percent to a decimal by moving it 2 places 7%=.07

then multiply .07 by 450 to get his commission =31.50

then subtract 31.50 and 450 = 418.50

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