MATHEMATICS HIGH SCHOOL

In the US Senate, there are 21 members on the Committee on Banking, Housing, and Urban Affairs. Nine of these 21 members are selected to be on the Sub-committee on Economic Policy. How many different committee structures are possible for this sub-committee?

Answers

Answer 1
Answer:

Answer:

Possible committee structures = 293930

Step-by-step explanation:

The combination expression is used here

²¹C₉ = 21!/(9!(21−9)!) = 293930

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The opposite of the opposite of -5 is....
What is the solution of the equation 3x − 7 = 4x? -7 -1 1 7

A track runner was timed at 3 miles per hour. How many feet per minute did they run?3 miles/1hr = [x]feet/1minute

A) 264ft/minute

B) 60ft/minute

C) 15840ft/minute

D) 88ft/minute
I NEED HELP ASAP!!!!! PPPPPPPPPLLLLLLLLEEEEEEEEEAAAAAAAAASSSSSSSSSSEEEEEEEE!!!!!

Answers

Answer: A) 264ft/minute


Step-by-step explanation:

1. Based on the information given in the problem, the speed of the track  runner was 3 miles per hour (3(mi)/(h)).

2. If you want to know the speed of the track runner in feet per minute, you need to apply the following proccedure:

(3(mi)/(h))((5280ft)/(1mi))((1h)/(60min))=((3)(5280))/(60)=264(ft)/(min)

3. Therefore, the answer is the option A.
the correct answer is A

The graph shows the cost of parking, y , per hour, x , at a parking garage. The graph is titled Parking Rates. The X-axis is labeled Number of Hours and goes from zero to four by a scale of one. The y-axis is labeled Cost in dollars and goes from zero to eighteen by a scale of two. Five points are shown on the graph. Zero hours, zero dollars. One hour, four dollars. Two hours, eight dollars. Three hours, twelve dollars. Four hours, sixteen dollars. Which equation represents the relationship shown in the graph?

Answers

The relationship shown in the graph represents a linear equation because the cost of parking increases at a constant rate per hour. To find the equation that represents this relationship, we can use the slope-intercept form of a linear equation:

\[y = mx + b\]

Where:
- \(y\) is the cost in dollars (the dependent variable).
- \(x\) is the number of hours (the independent variable).
- \(m\) is the slope, which represents the rate of change.
- \(b\) is the y-intercept, which represents the initial cost when \(x\) is zero.

Based on the points provided in the graph:

Point 1: (0 hours, 0 dollars) gives us the y-intercept, so \(b = 0\).

Point 2: (1 hour, 4 dollars) allows us to find the slope (\(m\)) as follows:

So, the equation that represents the relationship shown in the graph is:

\[y = 4x\]

This equation represents a linear relationship where the cost (\(y\)) is directly proportional to the number of hours (\(x\)) at a rate of $4 per hour.

Layla has a toy car collection of 400 toy cars. She keeps 85% of the toy cars on her wall. How many toy cars does she keep on her wall?

Answers

Answer:

340 cars on her wall

( Brainlyst will help my rank, thanks! <3 )

What is 7.86 x 10 to the negative 2nd power kL in dL?

Answers

So a kiloliter (kL) is 1000 liters, while a deciliter (dL) is 0.1 liters.

You have 0.0786kL, or 78.6L.

78.6L is equal to 786dL.

How do I expand
r(r-r2) the 2 is meant to be r squared

Answers

r(r-r^2) \n =r^2-r^3
r(r-r^2) =\n r^2-r^3

Andrea is shopping for items for her pet sitting business because the store is having a sale where everything in the store is 5% off. Andrea buys a cat carrier for $39.99 and a cat tower for $19.99. She has a coupon for an additional 15% off on the cat tower. Before tax, Andrea estimates that her total, after discounts, will be about $54. Determine if Andrea has estimated correctly.

Answers

Hello!  So the first thing you want to do to solve this question is to add up the cost of both the carrier and the cat tower.  Once you have the sum, the next step would take the 5% discount and add it to the 15% discount. Next, take the sum of the cat items and plug them into the correct formula with the sum of the discounts.  The formula would be saying the sum of the percents (in decimal form) of (which in math means multiply) whatever your previous sum was concerning the cats.  Your product of this equation would be the discount that Andrea was receiving, and you would subtract that from your original product pertaining to cat objects.  That would be your final answer. Then, you just compare.  If you have any other questions on how this is solved, just message me back.  Hope this helped!
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