# If the pile contains only 15 quarters but at least 30 of each other kind of coin, how many collections of 30 coins can be chosen?

QUESTION POSTED AT 14/02/2020 - 04:58 PM

QUESTION POSTED AT 14/02/2020 - 04:58 PM

My answer to your question would be: C(33,3)-C(17,3). I hope that this is the answer that you were looking for and it has helped you.

Figuring out volume is simple! There is a formula! It is Length x Width x Height.

V=LxWxH

V=13x6x2.5

V=195in3

The volume is 195in3

Good luck! And No problem.

V=LxWxH

V=13x6x2.5

V=195in3

The volume is 195in3

Good luck! And No problem.

ANSWERED AT 28/02/2020 - 06:38 AM

QUESTION POSTED AT 28/02/2020 - 06:38 AM

Volume of a prism=LWH

V=12 3/8 * 10*5

V=12.375 * 50

V=618.75

The volume of the prism is 618.75yd³

V=12 3/8 * 10*5

V=12.375 * 50

V=618.75

The volume of the prism is 618.75yd³

ANSWERED AT 28/02/2020 - 06:33 AM

QUESTION POSTED AT 28/02/2020 - 06:33 AM

15 = W + 4 Subtract 4 from each side

15 - 4 = W

11 = W

15 - 4 = W

11 = W

ANSWERED AT 28/02/2020 - 06:32 AM

QUESTION POSTED AT 28/02/2020 - 06:32 AM

Ok.........

The LCD would be

1

H0P3 It H3LPS :)

The LCD would be

1

H0P3 It H3LPS :)

ANSWERED AT 28/02/2020 - 06:27 AM

QUESTION POSTED AT 28/02/2020 - 06:27 AM

12x4=48 seashells Laura has in her collection

ANSWERED AT 28/02/2020 - 06:24 AM

QUESTION POSTED AT 28/02/2020 - 06:24 AM

Volume = 9 * PI = 28.2743338823

Cone Volume = (π • r² • h) ÷ 3

radius^2 = 3 * 28.274 / (PI * 15)

radius^2 = 84.822 / 0.2094395102

radius^2 = 404.99

radius^2 = 405

radius = 20.125

Source:

http://www.1728.org/volcone.htm

Cone Volume = (π • r² • h) ÷ 3

radius^2 = 3 * 28.274 / (PI * 15)

radius^2 = 84.822 / 0.2094395102

radius^2 = 404.99

radius^2 = 405

radius = 20.125

Source:

http://www.1728.org/volcone.htm

ANSWERED AT 28/02/2020 - 06:23 AM

QUESTION POSTED AT 28/02/2020 - 06:23 AM

She has 48 shells total. 12/18=1/4

ANSWERED AT 28/02/2020 - 06:23 AM

QUESTION POSTED AT 28/02/2020 - 06:23 AM

**Answer: 30%. I go to K12 and just take the test and got it right.**

ANSWERED AT 28/02/2020 - 06:15 AM

QUESTION POSTED AT 28/02/2020 - 06:15 AM

1,4689,780 I think, hope this helps not sure tho

ANSWERED AT 28/02/2020 - 06:13 AM

QUESTION POSTED AT 28/02/2020 - 06:13 AM

**Answer:**

**Step-by-step explanation:**

We are asked to rewrite 15+21 using the GCF and the distributive property.

We know that greatest common factor of 15 and 21 is 3.

and .

We can rewrite our given expression as:

Now, we will factor out 3 from our expression as:

**Therefore, after rewriting our given expression using the GCF and the distributive property we will get .**

ANSWERED AT 28/02/2020 - 06:12 AM

QUESTION POSTED AT 28/02/2020 - 06:12 AM

1/80 percent that the plane did not arrive on time

ANSWERED AT 28/02/2020 - 06:10 AM

QUESTION POSTED AT 28/02/2020 - 06:10 AM

40 ounces of silver in 100 half dollars

ANSWERED AT 28/02/2020 - 06:08 AM

QUESTION POSTED AT 28/02/2020 - 06:08 AM

C. This is because 25 / 95 = x / 100. 2500 / 95 = 26. 31 which rounds tp 26% :)

Please leave brainiest

Please leave brainiest

ANSWERED AT 28/02/2020 - 06:06 AM

QUESTION POSTED AT 28/02/2020 - 06:06 AM

I'm so sorry, I only know what question 7 is talking about:

Let's solve your equation step-by-step.

√−14x+2=x−3(Solve Square Root.)

√−14x+2=x−3−14x+2=(x−3)2(Square both sides)−14x+2=x^2−6x+9−14x+2−(x2−6x+9)=x^2−6x+9−(x^2−6x+9)(Subtract x^2-6x+9 from both sides)

−x^2−8x−7=0(−x−1)(x+7)=0(Factor left side of equation)

−x−1=0 or x+7=0(Set factors equal to 0)

x=−1 or x=−7Check answers. (Plug them in to make sure they work.)

x=−1(Doesn't work in original equation)

x=−7(Doesn't work in original equation)

Answer:No solutions.

For #9...

Let's solve your equation step-by-step.

4(x−3)(1/2)=8

Step 1: Simplify both sides of the equation.

4(x−3)(1/2)=8

Simplify: (Show steps)

2x−6=8

Step 2: Add 6 to both sides.

2x−6+6=8+6

2x=14

Step 3: Divide both sides by 2.

2x2=14

2x=7

Answer:x=7

Really hope this helps!!!:)

Let's solve your equation step-by-step.

√−14x+2=x−3(Solve Square Root.)

√−14x+2=x−3−14x+2=(x−3)2(Square both sides)−14x+2=x^2−6x+9−14x+2−(x2−6x+9)=x^2−6x+9−(x^2−6x+9)(Subtract x^2-6x+9 from both sides)

−x^2−8x−7=0(−x−1)(x+7)=0(Factor left side of equation)

−x−1=0 or x+7=0(Set factors equal to 0)

x=−1 or x=−7Check answers. (Plug them in to make sure they work.)

x=−1(Doesn't work in original equation)

x=−7(Doesn't work in original equation)

Answer:No solutions.

For #9...

Let's solve your equation step-by-step.

4(x−3)(1/2)=8

Step 1: Simplify both sides of the equation.

4(x−3)(1/2)=8

Simplify: (Show steps)

2x−6=8

Step 2: Add 6 to both sides.

2x−6+6=8+6

2x=14

Step 3: Divide both sides by 2.

2x2=14

2x=7

Answer:x=7

Really hope this helps!!!:)

ANSWERED AT 28/02/2020 - 06:05 AM

QUESTION POSTED AT 28/02/2020 - 06:05 AM

A square would be your answer

ANSWERED AT 28/02/2020 - 06:05 AM

QUESTION POSTED AT 28/02/2020 - 06:05 AM

30x+40(50-x)=1800

Solve for x

X=20 for the first car

50-20=30 for the second car

Solve for x

X=20 for the first car

50-20=30 for the second car

ANSWERED AT 28/02/2020 - 06:04 AM

QUESTION POSTED AT 28/02/2020 - 06:04 AM

It will always be a 50% chance. theres only two sides and it will always land on 1 of the two sides

ANSWERED AT 28/02/2020 - 06:04 AM

QUESTION POSTED AT 28/02/2020 - 06:04 AM

1) Exact form: 141/16

Decimal form: 8.8125

Mixed Number form: 8 13/16

2) $3.4575

Decimal form: 8.8125

Mixed Number form: 8 13/16

2) $3.4575

ANSWERED AT 28/02/2020 - 05:57 AM

QUESTION POSTED AT 28/02/2020 - 05:57 AM

**Answer:**

I think he started with 24

ANSWERED AT 28/02/2020 - 05:54 AM

QUESTION POSTED AT 28/02/2020 - 05:54 AM

gfdddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

ANSWERED AT 28/02/2020 - 05:50 AM

QUESTION POSTED AT 28/02/2020 - 05:50 AM

We need to calculate the hypotenuse; Juan is located on a right triangle.

34 yards

34 yards

ANSWERED AT 28/02/2020 - 05:49 AM

QUESTION POSTED AT 28/02/2020 - 05:49 AM

THINK IT IS 120 BECAUSE 4x30=120 so

the last part a water tank holds 5 gallons of water is not needed

the last part a water tank holds 5 gallons of water is not needed

ANSWERED AT 28/02/2020 - 05:47 AM

QUESTION POSTED AT 28/02/2020 - 05:47 AM

Pythagoras is A squared + B squared= C squared (C is always the slanted side!!)

So you do 15 squared + 36 squared (which is 225+1296)= C squared.

You add A squared and B squared together (which is 1521) then square route that number to get your distance from original position. Hope this helps :)

So you do 15 squared + 36 squared (which is 225+1296)= C squared.

You add A squared and B squared together (which is 1521) then square route that number to get your distance from original position. Hope this helps :)

ANSWERED AT 28/02/2020 - 05:46 AM

QUESTION POSTED AT 28/02/2020 - 05:46 AM

You need to graph c<=20.

to graph it, you would have a closed dot on 20, going to the left and stopping at 0.

to graph it, you would have a closed dot on 20, going to the left and stopping at 0.

ANSWERED AT 28/02/2020 - 05:45 AM

QUESTION POSTED AT 28/02/2020 - 05:45 AM

Half hour is bigger with 30 minutes, a quarter hour is only 15 minutes

ANSWERED AT 28/02/2020 - 05:44 AM

QUESTION POSTED AT 28/02/2020 - 05:44 AM

360^2(^2= squared yards of carpet

ANSWERED AT 28/02/2020 - 05:39 AM

QUESTION POSTED AT 28/02/2020 - 05:39 AM

The rate of beads is per 50

ANSWERED AT 28/02/2020 - 05:38 AM

QUESTION POSTED AT 28/02/2020 - 05:38 AM

The ticket would cost $32.50 because 30% of 45 is 13.50 so, 45.00 -13.50 gives you 32.50.

ANSWERED AT 28/02/2020 - 05:35 AM

QUESTION POSTED AT 28/02/2020 - 05:35 AM

Dexter was was wrong because 20 -24+ 4

ANSWERED AT 28/02/2020 - 05:25 AM

QUESTION POSTED AT 28/02/2020 - 05:25 AM

Its B becaouse i dont know

ANSWERED AT 28/02/2020 - 05:25 AM

QUESTION POSTED AT 28/02/2020 - 05:25 AM