Monica has been saving her spare change. So far she has saved 40 coins for a total of $6.25. Some of the coins are quarters (25 cents) and the rest are dimes (10 cents). How many of each coin does she have?

Use elimination to solve.

{q+d=40
{25q+10d=625

Answers

Answer 1

Answer:

10 quarters

40 dimes

Step-by-step explanation:

q + d = 40

25q + 10d = 625

25 > 10

q < d

25(10) = 250

10(40) = 400

$2.50 + $4.00 = $6.00

Answer 2

Answer:

15 quarters and 25 dimes

Step-by-step explanation:


Related Questions

A ladder leans against the side of a house. The angle of elevation of the ladder is 68° when the bottom of the ladder is 16 it from the side of the house. Find the
length of the ladder Round your answer to the nearest tenth.

Answers

Answer:

The length of the ladder  = 6.5077 ft

Step-by-step explanation:

Given A ladder leans against the side of a house

Given the angle of elevation of the ladder is 68° when the bottom of the ladder is 16 ft from the side of the house

Let 'C' be the point of observation.

Given CA= 16 ft

 From right angle triangle

     

     

     x = 16 × cos 68°

    x = 16 × 0.4067

    x = 6.5077

  x = 6.5 ft

The length of the ladder = 6.5 ft

The equation of a function is given.
f(x)=(2x-3)(3x+4)
What is one of the zeros of the function?

Answers

Answer:

3/2 or -4/3

Step-by-step explanation:

2x-3=0, 3x+4=0

x=3/2 or-4/3

The bakery owner will use both machines to glaze a total of 375 dozen
doughnuts. She plans to start both machines at the same time.
Based on the rates fromwhat is the total number of hours it
will take both machines working together to glaze 375 dozen doughnuts?

Answers

Answer:

2250 i think

Step-by-step explanation:

Some one say that if you multiply or divide each side of an inequality by a negative number, the inequality sign changes directions. He give an example: -2x < 6, then x > -3. Is the statement true or false?

Answers

Answer:

True

Step-by-step explanation:

Answer:

Step-by-step explanation:

It is true!

Let's say we subtract 6 from both sides

-2x -6< 0                       Now Let's add 2x to both sides

-2x + 2x - 6 < 0 + 2x

- 6 < 2x                         We did so we would be dividing by a number greater than 0.                         Divide by + 2

-6/2 < 2x / 2

-3 < x                            Notice you still get the open end of the inequality sign closest to the x without changing the direction of the inequality.

21 = 3 + 4n + 5n
please help

Answers

Answer: n = 2

Step-by-step explanation:

Answer:

n=2

Step-by-step explanation:

21 = 3 + 4n + 5n

21 = 3 + 9n

9n = 18

n = 2

;)

When a 6 foot tall fence pole cast a 10 foot shadow, a pine tree cast a 65 foot shadow. How tall in the tree?

Answers

Answer:

39 feet.

Step-by-step explanation:

If a 6 foot pole cast 10 feet continue to mutiply 6 until you get to 60 and once you get to 60 half the 6 into 3 adding 3 feet.

please help marking like brainlist

Answers

Answer:

c

Step-by-step explanation:

5 2/3 * 3/4 = 4 3/12
to find the answer you multiply 5*3 to get 15 you then add 3 to get 17. 17 is your new numerator and 3 stays as the denominator. you then multiply 17 and 3 to get 51. you now multiply the denominators to get 12. 12 goes into 51, 4 times. you get 48. 51-48= 3. so the answer is 4 3/12 hope this helps :)

How many four-letter permutations can be formed from the first five letters of the alphabet?

Answers

Answer:

120

Step-by-step explanation:

formula:

[tex]\frac{n!}{(n-h)!}=\frac{5!}{(5-4)!}=120[/tex]

I need help!!!

Which point is a solution to the system of inequalities?

Answers

Answer:

Step-by-step explanation:

(-3,-2)

What is the median?
16342821–2–2

Answers

the mean is 16342817

What additional information do you need to prove ∆ABC ≅ ∆DEF by the SSS Postulate?

Answers

Answer:

The first choice AB congruent to DE

Step-by-step explanation:

we already know that the other sides are congruent by looking at the dashes on the side, but there is no indicatation that that Side AB and side DE are congruent

THIS MY THIRD TIME POSTING THIS QUESTION PLEASE HELP MEE!!!

Answers

Answer:

From my thinking prospection the answer should be 18....

Which of the following is a factor of x3 + 2x2 - 25x – 50?

Answers

Answer:

(x - 5)(x + 2)(x + 5)

Step-by-step explanation:

x³ + 2x² - 25x - 50

x³ + 7x² - 5x² - 35x + 10x - 50

x(x² + 7x + 10) - 5(x² + 7x + 10)

(x - 5)(x² + 7x + 10)

(x - 5)(x² + 2x + 5x + 10)

(x - 5)(x(x + 2) + 5(x + 2))

(x - 5)(x + 2)(x + 5)

syd is on a cliff 43 feet above sea level ingrid dove into the sea and took photos of fish at 17 feet below sea level how far apart are syd and ingrid?

Answers

Answer:

60 ft

Step-by-step explanation:

Position of Syd =  +43

Position of Ingrid = - 17

To find the distance between them, add the absolute value

I +43 I + I-17I = 43 + 17 = 60

Answer:

let's take the postion of sea level 0

such that

syds on a cliff 43 ft above sea level

his position = 43 ft

Ingrid is 17 feet below sea level so his position = 17 ft in the opposite direction as that of Syd.

since syd is 43 feet away from sea level, that is 0, and sea level is 17 feet away from Ingrid.

distance between syd and Ingrid = 43 + 17

= 60 ft

The length of a rectangle 4 yd is longer than its width. If the perimeter of the rectangle is 68 yd, find its length and width.

Answers

w + 4

------------------------

l l

l l w

l l

------------------------

Perimeter would be the sum of all the sides so: (w+4) + w + (w+4) + w

Perimeter is 60 yards according to your problem so: (w+4) + w + (w+4) + w = 60 yds

1.Simplify/combine like terms:

w + 4 + w + w + 4 + w =

4w + 8 =

Now it's a 2-step algebra equation

4w + 8 = 60

2.Subtract 8 on both sides

4w = 56

3.Divide both sides by 4

w = 14

Can somebody who knows how to do probability plz help answer these questions correctly thank you! :3

WILL MARK BRAINLIEST WHOEVER ANSWERS THESE :DDD!

Answers

Answer:

Blue: 3/6

Red: 2/6

Green: 1/6

Hope This Helps!

Which graph does not represent a function?

On a coordinate plane, a curved crosses the y-axis 1 time and the x-axis 2 times.

On a coordinate plane, a straight line with a negative slope crosses the y-axis 1 time and the x-axis 1 time.

On a coordinate plane, an oval line crosses the y-axis 2 times and the x-axis two times.

On a coordinate plane, a line with an s curve crosses the y-axis 1 time and the x-axis 1 time.

Answers

Answer:

On a coordinate plane, an oval line crosses the y-axis 2 times and the x-axis two times.

Step-by-step explanation:

Vertical line test.

If you draw a vertical line, parallel to the y-axis and it crosses a line or shape twice, it is not a function.

On a coordinate plane, an oval line crosses the y-axis 2 times and the x-axis two times. The correct option is C.

What is a function?

A function is defined as the expression that set up the relationship between the dependent variable and independent variable. A graph is the representation of the data on the vertical and horizontal coordinates so we can see the trend of the data.

On taking the vertical line test it is observed that If you draw a vertical line, parallel to the y-axis and it crosses a line or shapes twice, it is not a function.

Therefore, on a coordinate plane, an oval line crosses the y-axis 2 times and the x-axis two times. The correct option is C.

To know more about a function follow

https://brainly.com/question/25638609

#SPJ6

Which answer matches this description? 15 minus the quotient of 50 and 10 15 = (50 - 10) (50 - 15) + 10 (50 - 10) - 15 15 - (50 = 10)​

Answers

Answer:

The bottom left one

15 - (50 / 10)

Step-by-step explanation:

15 minus the quotient of 50 and 10

Keywords:

Minus: subtraction meaning we would use (-)

Quotient: Quotient is the outcome of division (/)

15 minus the quotient of 50 and 10

Replace minus with (-)

15 - the quotient of 50 and 10

Get rid of quotient and add a division sign between 50 and 10

15 - 50 / 10

Add parenthesis

15 - (50 / 10 )

Satish bought a bicycle wheel for $23.97. How much change should he receive if he gave the cashier two $20 bills?

Answers

Answer:

$16.03

Step-by-step explanation:

Two twenty dollars bills is forty dollars, so to find his change, subtract $23.97 from $40. This gives you $16.03.

The change should he receive if he gave the cashier two $20 bills is $16.03.

We have given that,

Satish bought a bicycle wheel for $23.97.

We have to determine the value of How much change should he receive if he gave the cashier two $20 bills.

What is the change of money?

Change is the money returned after paying for something with more money than it costs

Two twenty dollars bills is forty dollars, so to find his change, subtract $23.97 from $40.

This gives you $16.03.

Two twenty dollars bills is forty dollars,

so to find his change, subtract $23.97 from $40. This gives you $16.03.

To learn more about the change visit:

https://brainly.com/question/25594630

#SPJ2

Write the equation of a line that passes through the point m(2,3) and has slope 1/2.

Answers

Answer:

Step-by-step explanation:

[tex]Equation \ of \ a \ line, (y-y_1)=slope(x-x_1)[/tex]

[tex](x_1, y_1) = (2,3)[/tex]

                                [tex]y-3=\frac{1}{2}(x-2)\\\\y -3= \frac{1}{2}x-1\\\\y = \frac{1}{2}x-1+3\\\\y = \frac{1}{2}x+2[/tex]

In circle O shown, chords AB and CD intersect at E such that AE=10 and EB=12. if ED=6 , then which of the following is the length of CD ?
1.) 26
2.) 24
3.) 20
4.) 18

Answers

Answer: 18

Step-by-step explanation:

4 is probably the answer

Which arc is congruent to Arc E H? Arc G H Arc F H Arc G E Arc F G

Answers

Answer: GE

Step-by-step explanation:

uh i just know it’s the answer

Answer:

C. G E

Step-by-step explanation:

Find the product 6 • (–9).

please i need this rn its urgent

Answers

Answer:

[tex] - 54[/tex]

Step-by-step explanation:

it is too easy use your calculator!(-_-メ)

Answer:

-54

Step-by-step explanation:

What is the constant of proportionality of the fowllowing equation y=4x

Answers

Answer:

4 is the constant in this case.

Which of the following is a rational number but not an integer?

188, 13 2/5, -4, or -51

Answers

Answer:

Option C

Step-by-step explanation:

Rational numbers are numbers of the form p/q, where p and q are integers and q not equal to zero.

Integers are number of the form p/q , where q = 1

Option A : 188 => integer and rational

Option  B: 13   =>  integer and rational

Option C :2/5  =>  rational but not integer ( because q = 5 and not 1 )

Option D : - 51 => integer and rational

Answer:

13 2/5

Step-by-step explanation:

As,

Integers includes whole numbers, and negative of the whole numbers.

And Rationals includes every fraction, Integers and negative fraction.

So,

188, -4, and 51 are both Integers and Rationals.

But,

Only 13 2/5 is a mixed fraction included only in rationals and not in Integers

Plssssss help I reposted because no one answered my last one please help.

Answers

Answer and Step-by-step explanation:

I think this is the correct answer (in picture):

This is because you can either get Heads or Tails, so once you flip it once, you just flip it again and you will get either heads or tails.

#teamtrees #PAW (Plant And Water)

Using the complement method, calculate the net price on an invoice amount for
$1,323.50 with a 15% trade discount.

Answers

Answer:

Not completely sure but i think the answer is 1124.975

Step-by-step explanation:

whats the angle of J

Answers

Answer:

<J = 59

Step-by-step explanation:

Since this is an isosceles triangle, <J and <H are the same

The sum of the angles in a triangle are 180

62+ <J + <H =180

62+ <J + <J = 180

62 + 2 <J =180

Subtract 62 from each side

2 < J = 180-62

2 < J = 118

Divide by 2

<J =118/2

<J = 59

Answer:

∠J = 59 °

Step-by-step explanation:

Its two angle is equal so, it is isosceles triangle.

so, ∠J and ∠H are same.

We know that sum of angles of triangle is 180°.

∠J = ∠H .. ( in isosceles triangle two side are equal).

so, ∠J = ∠J

62° + ∠J + ∠ J = 180°

combine like terms

62° + ∠2J = 180°

Subtract 62 from each side

62° - 62° + ∠2J = 180° - 62°

∠2J = 118°

Divide each side by 2

∠2J/2 = 118° / 2

∠J = 59 °

Verification :-

∠J + ∠H + 62° = 180°

59° + 59° + 62° = 180°. .( ∠J =∠H - proved above)

118° + 62° = 180°

180° = 180°

LHS = RHS

SHOW ALL WORK PLZ
1. 37cm= ___ mm 2. 20m=___cm 3. 34in=___mm 4. 20m=___km 5. 29km=___m

Answers

Answer:

3702000863.60.0229000

Step-by-step explanation:

1 cm = 10 mm1 m = 100 cm1 in = 25.4 mm1 m = 0.001 km1 km = 1000 m

1. Use proportions and cross-multiply:

[tex]\frac{X mm }{37cm} =\frac{10 mm}{1cm} \\x = 37 * 10 = 370[/tex]

2. Use proportions and cross-multiply:

[tex]\frac{20 m}{X cm} =\frac{1 m}{100cm} \\x=20*100=2000[/tex]

3. Use proportions and cross-multiply:

[tex]\frac{34in}{Xmm} =\frac{1in}{25.4mm} \\x=34*25.4=863.6[/tex]

4. Use proportions and cross-multiply:

[tex]\frac{20m}{Xkm} =\frac{1m}{0.001km} \\x=20*0.001=0.02[/tex]

5. Use proportions and cross-multiply:

[tex]\frac{29 km}{Xm}=\frac{1 km}{1000m} \\x=29*1000=29000[/tex]

Help please! I'll mark brainliest!

Answers

23 need to use formula then calculate
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