isabella collected a bunch of dimes and quarters for her school fundraiser she collected a total of 211 coins and a total of 37.30 how many dimes and how many quarters did she collect

Answers

Answer 1

Answer:

103 dimes and 108 quarters

Step-by-step explanation:

Given

[tex]Value = \$37.30[/tex]

[tex]Amount = 211[/tex]

Required

Determine the number of each coin collected

Represent dimes with D and quarters with Q.

[tex]1\ D= \$0.10[/tex]

[tex]1\ Q= \$0.25[/tex]

So:

[tex]0.10D + 0.25Q = 37.30[/tex] --- Value

[tex]D + Q = 211[/tex] --- Amount

Make D the subject in [tex]D + Q = 211[/tex]

[tex]D = 211 - Q[/tex]

Substitute 211 - Q for D in [tex]0.10D + 0.25Q = 37.30[/tex]

[tex]0.10(211 - Q) + 0.25Q = 37.30[/tex]

Open brackets

[tex]21.1 - 0.10Q + 0.25Q = 37.30[/tex]

Collect Like Terms

[tex]- 0.10Q + 0.25Q = 37.30 - 21.1[/tex]

[tex]0.15Q = 16.2[/tex]

Make Q the subject

[tex]Q = 16.2/0.15[/tex]

[tex]Q = 108[/tex]

Substitute 108 for Q in [tex]D = 211 - Q[/tex]

[tex]D = 211 - 108[/tex]

[tex]D = 103[/tex]


Related Questions

b. Logan continues the game with this clue: “My decimal is 3 hundredths less
than 3 tenths." Use pictures and/or words to show your thinking.

Answers

Answer:

Step-by-step explanation:

Three tenths is 3/10 or 30/100 so if we take three hundreds from this it is 27 over hundred ( 27/100).

To have $25,000 to spend on a new car in five years, how much money should Jill invest today at 8% compounded monthly?

Answers

Answer:

The answer is C. $16,780

Step-by-step explanation:

Answer:

c, 16,780

Step-by-step explanation:

plato

Wyatt’s class is having pizza party. Each group of 3 students eats 1 1/2 pizzas.

Answers

What is the question
the answer is 1/2

1 1/2 divided by 3 is 1/2

9. Put these numbers in greatest to least order: 2/3, 60%, 0.06, 3/4

Answers

Step-by-step explanation:

0.0660%2/33/4

hope it's right :)

Hanukkah lasts for 8 nights. You have four family members to purchase
gifts for as well as a new Menorah for your home. The Menorah costs
$42.00. If you have a total of $386.00 to spend, how much can you spend on
each family member?

Answers

Answer

86

Step-by-step explanation:

You can spend 86 on each family member. 386-42=344

344/4=86

Let B be between a and C use the segment addition postulate to solve for W
AB= 4w-4
BC = 2w-8
AC = 24

A- w=10
B- w=6
C- w=4
D- w=-2

Answers

Answer:

Value of w = 6

Step-by-step explanation:

Given:

AB= 4w-4

BC = 2w-8

AC = 24

Find:

Value of w

Computation:

AB + BC = AC

4w - 4 + 2w - 8 = 24

6w - 12 = 24

6w = 24 + 12

6w = 36

w = 6

Value of w = 6

Please help me, thanks!

Answers

I think the correct answer is 1073741825/ b^21

Find the product
-1/2y(2y^3-8)

Answers

Answer:

-y^4+4y

Step-by-step explanation:

The caverns of sonora have two different tours the crystal palace and the horseshoe lake tour

Answers

Did that help


The total length of both tours is 3.25 miles the crystal palace toward his a half mile less than twice the distance of the horseshoe Lake tour

Xavier opened a savings account with a deposit of $12,000.

The account earned simple interest.
He did not make any additional deposits or withdrawals.
At the end of 3 years, the account balance was $12,324.
What is the annual interest rate on this account?


0.9%

1.8%

2.7%

3.6%

Answers

Answer:

the answer is 236.25

Step-by-step explanation:

The interest rate on annual basis on the given account should be considered as 0.9%.

Calculation of the annual interest rate:

Here the interest amount be

= Future value - principal

= $12,324 - $12,000

= $324

Now the interest rate be like

Interest = Principal * rate * time period

$324 = $12,000 * rate * 3/ 100

So, the rate be 0.9%.

Hence, The interest rate on annual basis on the given account should be considered as 0.9%.

Learn more about interest rate here: https://brainly.com/question/14191952

S=1+2+3+........+100

Answers

Answer:

5050

Step-by-step explanation:

Gauss has derived a formula to solve addition of arithmatic series to find the sum of the numbers from 1 to 100 as follows:

1 + 2 + 3 + 4 + … + 98 + 99 + 100

First he has splitted the numbers into two groups (1 to 50 and 51 to 100), then add these together vertically to get a sum of 101.

1 + 2 + 3 + 4 + 5 + … + 48 + 49 + 50

100 + 99 + 98 + 97 + 96 + … + 53 + 52 + 51

1 + 100 = 101

2 + 99 = 101

3 + 98 = 101

:

:

:

:

48 + 53 = 101

49 + 52 = 101

50 + 51 = 101

It was realized by him that final total will be fifty times of 101 means:

50(101) = 5050.

Based on this, Gauss has derived formula as:

The sequence of numbers (1, 2, 3, … , 100) is arithmetic and we are looking for the sum of this series of sequence. As per Gauss, the special formula derived by him can be used to find the sum of this series:

S is the sum of the series and n is the number of terms in the series, in present case, from 1 to 100, Hence

As per the Gauss formula, the sum of numbers from 1 to 100 will be 5050.

Answer : 5050

Type the correct answer in the box. Figure 1 is similar to figure 2. The height of the cone in figure 2 is centimeters.
On Plato!!!

Answers

The height of the cone in figure 2 is 4.5 centimeters.

Similar figure

Two figures are said to be similar if they have the same shape and the ratio of their corresponding sides are in the same proportion.

From the diagram, the two cone are similar. Let h represent the height of the cone in figure 2, hence:

h/3 = 12/8

h = 4.5 cm

The height of the cone in figure 2 is 4.5 centimeters.

Find out more on Similar figure at: https://brainly.com/question/4014697

Answer:

4.5

Step-by-step explanation:

Silvia has completed 8 math exercises e. This one fourth of the assignment. How many exercises were assigned?

Answers

Answer:

32

Step-by-step explanation:

since there are 4 parts, multiply 8 by 4

What’s the decimal as a persent

Answers

Answer:

37/50

Step-by-step explanation:

74/100

37/50

Answer:

37/50

Step-by-step explanation:

37 ÷ 50 = 0.74

Hope this helped!

Have a supercalifragilisticexpialidocious day!

please help meh I'm I'm slowlyy from this question TwT send help ​

Answers

Answer:

so what XDXD

Step-by-step explanation:

A student has a class that is supposed to end at 9:00am and another that is supposed to begin at 9:10am. Suppose the actual ending time of the 9am class is a normally distributed random variable (rv) X1 with mean 9:02am and standard deviation 1.5 minutes. Suppose that the starting time of the 9:10am class is a normally distributed rv X2 with mean 9:10am and standard deviation 1 minute. Suppose further that the time necessary to

Answers

Answer:

0.8340

Step-by-step explanation:

The aim of this question is to find the probability that the student makes it to the second class prior to when the lecture commences.

Provided that A, B, and C are independent of each other from the full complete question.

Then; we want P(A + C < B)

So A [tex]\sim[/tex] N (2, 1.5)

B [tex]\sim[/tex] N (10, 1)

C [tex]\sim[/tex] N (6, 1)

P(A + C - B < 0)

Since they are normally distributed( i.e. A + C - B)

Then;

E(A + C -B) = E(A) + E(C) - (B)

E(A + C -B) = 2 - 10 + 6

E(A + C -B) =  -2

Var(A+C -B) = Var(A) + Var (B) + Var (C)

Var(A + C -B) = (1.5)² + (1)² + (1)²

Var(A + C -B) = 4.25

The standard deviation = [tex]\sqrt{4.25}[/tex]

The standard deviation = 2.06155

[tex]P(A+C-B) = p \Big (Z < \dfrac{0-(-2)}{2.06155} \Big )[/tex]

[tex]P(A+C-B) = p \Big (Z \le 0.97014 \Big )[/tex]

[tex]\mathbf{P(A+C-B) = 0.8340}[/tex]

plz help me I dont know
geometery plz help​

Answers

9514 1404 393

Answer:

  all are No

Step-by-step explanation:

The given triangle is ΔABE, where AB is the hypotenuse and BE is the long side.

In each of the other triangles listed, The first two letters are not the name of the hypotenuse, so none are similar.

_____

Additional comment

The similar triangles would be ΔADB, ΔEDC, ΔBEC, and ΔBDE.

Answer:

all of them are

Step-by-step explanation:

Please answer this correctly without making mistakes

Answers

Answer:

o.125 cupand 5 fluld

Step-by-step explanation:

Answer:

Step-by-step explanation:

1 cup 2 fluid ounces

1 cup = 8 ounces

8 + 2 = 10 ounces

10 * 4,890 = 48,900 ounces = 6,112.5 cups = 6,112 1/2 cups

1/2 cup = 4 ounces

--> 6,112 cups 4 fluid ounces

Hope this helps!

An employee working 40 hours per week earns a salary of $600 per week but gets a second job offer to work 40 hours per week, hourly at $20 an hour. Which position generates the most income and how much more does that position make? Show your work or explain how you got your answer.

Answers

40 hours per week and earn a salary of 600$

Explanation I got it right on edge

As per the given ratio comparison, We can say that the Second job generates the most income and that position makes him $5 per hour.

What is ratio?

The ratio can be defined as the number that can be used to represent one quantity as a percentage of another. Only when the two numbers in a ratio have the same unit can they be compared. Ratios are used to compare two objects.

Given, An employee working 40 hours per week earns a salary of $600 per week but gets a second job offer to work 40 hours per week, hourly at $20 an hour.

For the first job, we will calculate the ratio of the employee Salary to the working hours to compare with the salary of the Second job:

Since,

He makes $600 per week for working 40 hours

Thus,

His hourly salary = 600/40

His hourly salary will be $15.

For the second job, it is already mentioned that the employee gets $20 per hour for the same working hours.

therefore, the Second job generates the most income and that position makes him $5 per hour.

Learn more about ratios here:

https://brainly.com/question/13419413

#SPJ6

Please help me I’m confused

Answers

a is the correct answer

Find the interquartile range (IQR) of the data in the dot plot below.
goals
Luis's lacrosse scoring each season
43
45
46
47
48
Number of goals

Answers

Answer: According to the picture the IQR would be 3.5

Step-by-step explanation:

The angle between the generator and the central axis of a double-napped cone is 60°. A plane intersecting the cone makes an angle of 50° with the central axis. Which conic section is formed?


circle

ellipse

hyperbola

parabola

Answers

Answer:

hyperbola

Step-by-step explanation:

given data

double-napped cone = 60°

plane intersecting cone angle = 50°

                                                           

solution        

conic section is formed hyperbola because here plane intersecting the cone makes an angle of 50° is less than angle b/w generator and central axis of 50°

so correct answer is hyperbola                              

Answer:

c on edge

Step-by-step explanation:

PLZ HELP I WILL GIVE BRAINLIST!!!!!!!!!!!!!!!
write an expression equivalent to 6(x + y) + 11 - 5, and state which property you used to write it.

Answers

Answer:

6x+6y+6

Step-by-step explanation:Distributive property and adding

6x+6y+6 dont forget to give me brainliest!!

Three units to the right of seven is?

Answers

Answer:

10 i think

Step-by-step explanation:

Answer:

Notice that distance is always positive or 0. (-3)

Step-by-step explanation:

Given the following formula, solve for v.
S=1/2a2v+c

Answers

Answer:

Since there is no initial condition, the exact value of v cannot be determined, but you can set the equation up for a general evaluation of the situation.

s = 1/2a^2*v+c

First you need to subtract c from both sides to get

s-c = 1/2a^2*v

then you can just divide both sides by 1/2a^2 to get v

(2(s-c))/a^2=v

when dividing a fraction, such as 1/2, make sure to keep in mind that you're really multiplying the flipped version, so that dividing by 1/2 means multiplying by 2.

Step-by-step explanation:

2) Add 1/3n + 2/3 and -1/6n + 1/6m

Answers

Answer:

m/6+  n/3  +1/2  

Step-by-step explanation:

all work must be shown and easy to read or follow.


Find the Greatest Common Factor of the Numerator and Denominator

1. 1248
2. 2024
3. 1070

Answers

Answer: The answer is two.

Step-by-step explanation: start by making a tree diagram and dividing all three numbers by two. Each number needs to end in whole numbers with no decimals or fractions. 1248 will be 624, 2024 will be 1012, and 1070 will be 535. Then as you keep dividing the only numbers that match together is two on all three as you will get 3 and 13 added to 1248, 11 and 23 added to 2024, and 5 and 107 to 1070. The only numbers that match are two so your answer is two.

Is 7 a positive or Negative number?

Answers

positive

Explain: a number can only be negative if it’s below zero. Since the number 7 is above zero, it’ll be a positive number.

What's the answer she gave the class a test and I dont know the answer cause she ain't teach us

Answers

I agree with what they said

HELP ASAP!!!!!!!!.!!!!

Answers

w, t and y

“Variable, In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation. Commonly used variables include x and y (real-number unknowns), z (complex-number unknowns), t (time), r (radius), and s (arc length).”
w, t, and y!! I think
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