Kevin and Randy Muise have a jar containing 81 coins, all of which are either quarters or nickels. The total value of the coins in the jar is ​$10.45. How many of each type of coin do they​ have?

Answer:

B

Step-by-step explanation

We have

using a graph tool

see the attached figure

The solution of the system is the shaded area

we know that

The line is solid

The line passes through points and and is shaded above the line.

The line is solid

The line passes through points and and is shaded below the line

The two lines intersect at one point

therefore

the answer is the option

B) Graph of two lines that intersect at one point. Both lines are solid. One line passes through points negative 2, 2 and 0, 3 and is shaded below the line. The other line passes through points 0, 1 and 1, negative 2 and is shaded above the line.

The base ten numbers to base six for the following is

1. 12 (base 10) =20(base 6)

2.31 (base 10) =51(base 6)

3. 41 (base 10) =105(base 6)

The procedure to find the base ten number to base six

We have to divide the number 12 repeatedly by 6 until the quotient becomes 0.

When 12 is divided by 6 the quotient is 2 and the remainder is 0.

When 2 is divided by 6 the quotient is 0 and the remainder is 2.

Now, Write the remainder from top to bottom.

We get [tex]12_{10} =20_{6}[/tex]

Similarly we do, 31 and 41

When 31 is divided by 6 the quotient is 5 and the remainder is 1.

When 5 is divided by 6 the quotient is 0 and the remainder is 5.

Now, Write the remainder from top to bottom.

We get [tex]31_{10} =51_{6}[/tex]

When 41 is divided by 6 the quotient is 6 and the remainder is 5.

When 6 is divided by 6 the quotient is 1 and the remainder is 0.

When 1 is divided by 6 the quotient is 0 and the remainder is 1.

Now, Write the remainder from top to bottom.

We get [tex]41_{10} =105_{6}[/tex]

Therefore, The base ten numbers to base six for the following is

1. 12 (base 10) =20(base 6)

2.31 (base 10) =51(base 6)

3. 41 (base 10) =105(base 6)

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Answer:

20

Step-by-step explanation:

12/x = 3/5

12 = 3*4

20 = 5*4

If you see marginal cost increasing in a graph, this implies that; b. the additional cost incurred in producing one more unit of output is decreasing.

The marginal cost is the change in total production cost that comes from making or producing one additional unit.

When marginal product is rising, the marginal cost of producing another unit of output is declining and when marginal product is falling marginal cost is rising. Thus, Option A and D are not correct.

Option C is wrong because Marginal cost helps to increase efficiency in  production.

Thus, option B is the correct answer.

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Answer:

the correct ans should be 88/15

Step-by-step explanation:

since, y is directly proportional to x then,

y=kx where k=proportionality constant

when y=22/5 and x=3/5

or,22/5=k*3/5

or,22/5*5/3=k

•°•k=22/3

now, when x=4/5

we know,

y=kx

or,y=22/3*4/5

•°•y=88/15

Answer:

23

Step-by-step explanation:

Answer:

B,

(i used graph paper[I made a mistake, it's not A])

Answer:

Infinite solutions.

Any number.

Step-by-step explanation:

First, substitute one of the variables, x or y into one of the equations.

Since y is already isolated, substitute it in 2y - 6x = -8.

2 (3x - 4) - 6x = -8

Distribute 2 to 3x and -4.

6x - 8 - 6x = -8

Bring like terms together.

6x - 6x - 8 = -8

move -8 over to the other side of the equation and change its sign.

Or just add 8 to both sides (it is the same thing.)

You add 8 because it is to cancel out the negative 8 and get rid of it.

6x - 6x = -8 + 8

This equals 0 = 0 so there are infinite solutions to this system of equations.

Answer:

dream

Step-by-step explanation:

why not

Answer:

Mine is 5 minute crafts

I love crafts, so ya. They are pretty popular

please give me brainiest :) !

Answer:

10p

Step-by-step explanation:

p + 2p + 3p + 4p

= 10p

Answer:

10p

General Formulas and Concepts:

Algebra I

Step-by-step explanation:

Step 1: Define

p + 2p + 3p + 4p

Step 2: Simplify

Answer:

341, 326

Step-by-step explanation:

Answer:

D is the correct answer

Answer: C. (5)

Step-by-step explanation:

Answer:

Pretty sure it's C!

I also hope you don't fail

Step-by-step explanation:

9514 1404 393

Answer:

Step-by-step explanation:

The formula for the volume of a cylinder is ...

  V = πr^2·h . . . radius r, height h

The radius of the driver's tank is half its diameter, so is (8 ft)/2 = 4 ft. Then the volume of that tank is ...

  V = π(4 ft)^2·(19 ft) = 304π ft^3

Each cubic foot of gasoline has a mass of ...

  (1728 in^3/ft^3)(0.0262 lb/in^3) = 45.2736 lb/ft^3

Then the total mass in the driver's full tank is ...

  (304π ft^3)(45.2736 lb/ft^3) ≈ 43,238.3 lb

__

The farmer's tank is a scaled-down version of the driver's tank. It's volume will be scaled by the cube of the linear scale factor, so will be (2/3)^3 = 8/27 of the volume of the driver's tank.

The farmer's tank will hold a mass of (43,238.3 lb)(8/27) ≈ 12,811 lb.

The amount remaining in the driver's tank is 43,238 -12,811 = 30,427 lb.

Answer:

The rational function that might have the given graph is [tex]y = - \frac{x}{(x+1)\cdot (x-1) }[/tex].

Step-by-step explanation:

This graph shows a rational function whose numerator is a first order polynomial and denominator is a second order, due to the presence of vertical asymptotes at [tex]x = -1[/tex] and [tex]x = 1[/tex]. The lead coefficient of the numerator must be 1, since horizontal asymptote must be [tex]y = 0[/tex] and intercept must be [tex]0[/tex], since [tex]y(0) = 0[/tex].

Then, we conclude that a rational function that might have the graph is:

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

We present the proof that given function is appropriate.

Answer:

[tex]x ^{2} + 6x + 9 \\ \: = x ^{2} + (3 + 3)x \: + 9 \\ = x {}^{2} + 3x + 3x \: + 9 \\ \: \: \: \: = x(x + 3) + 3(x + 3) \\ = (x + 3) \: \: \: \: \: (x + 3)[/tex]

So, the Answer is (x + 3) (x + 3)

Answer: Knowing proportional relationships help in different ways such as in constant change, multiple representations, etc.

Hope this helped.

Answer:

I think the equation would be y=150x+50

And also, please identify what the price of the car is, or at least the number of months. We need to identify at least 1 of the variables.

Answer:

Step-by-step explanation:

Answer:

I believe the answer is A

Step-by-step explanation:

Since when translating down it moves the Y variable and not the X and when reflecting it will turn negative X (-3) into positive 3

Answer:4(3x +2)

Step-by-step explanation:

The expressions represent the cost, in dollars, for 4 people to go horseback riding for 3 hours each is  4(3x + 2).

A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.

Given, The total cost to go horseback riding is a dollar per hour plus a $2 fee for renting a helmet.

Let, The number of hours is represented by 'x'.

Therefore, The cost of riding with a helmet is,

= x + 2.

The cost of riding for 3 hours is 3x + 2 and the cost for 4 people is doing the same is, 4(3x + 2).

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Answer:

Its B

Step-by-step explanation:

Answer: A point does not have a formal definition, and a vertex is described through undefined terms.

Answer: (x+5)^2+(y-2)^2=81

Step-by-step explanation:

The equation of the circle will be equal to (  x  +  5  )² + (  y  -  2  )²  =  81

The equation in mathematics is the relationship between the variables and the number and establishes the relationship between the two or more variables.

Given that:-

The equation of the circle will be:-

( x  -  h  )²  +  (  y  -  k  )²  =  r²

(  x  +  5  )² + (  y  -  2  )²  =  81

Therefore the equation of the circle will be equal to (  x  +  5  )² + (  y  -  2  )²  =  81

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Answer:

62.1/ 58.6= 1.05972696

the rounded answer would be 1.06

Step-by-step explanation:

Answer:

62.1 divided by 58.6=1.05972696

Answer:

OP = 2

Step-by-step explanation:

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Answer:

[tex]op = 2[/tex]

Step-by-step explanation:

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Answer:

very easy question.

Step-by-step explanation:

option 3 is correct