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Rzqust [24]
3 years ago
14

Help! in 20P9 what does the 9 represent?

Mathematics
1 answer:
Alex777 [14]3 years ago
6 0

Answer:

Step-by-step explanation:

Good question. It is important to know the answer.  

The 9 means that there are a total of 20 objects. You want to select just 9 of them.

The situation is well described by C.

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8 t-shirts and 5 pairs of pants cost $220 how much does each t-shirt and pair of pants cost
Yakvenalex [24]
Hey, It looks like you're in Algebra and I'm here to give the best solution I can!

To write the equation, you are going to use the Standard Form. Standard Form is one way of solving this problem, and it is used to find the x,and y-intercepts of a problem.
Standard Form can be written using the equation <span>ax+by=c

</span>In your problem, you will write the equation like so, with 'x' representing T-Shirts, and 'y' representing pants:
<span>
8x+5y=220</span>
Now, in order to find the x-intercept you need to substitute a 0 for the 'y' variable and solve the new equation, 8x=220.
I'm sure you know you need to divide both sides by 8 which will give you the answer x=27.5.

Now, in order to find 'y' you would substitute a 0 for the 'x' variable which will give you an equation that should look like 5y=220.
Then, divided both sides by 5 to get your y-intercept.
y=44

Finally,you know that each T-Shirt (x) is $27.50, and each pair of pants(y)costs $44

-I hope this helped you, Sincerely, Auhrevo!
6 0
3 years ago
What is the perimeter of this triangle? 15 cm 5 cm 25 cm 10 cm
Lady_Fox [76]

Answer:

55

Step-by-step explanation:

Add 15+5+25+10 which is 55

hope this helps! :)

3 0
2 years ago
Solve for b .<br> Simplify your answer as much as possible.<br> 40=25b
Anit [1.1K]
8/5
I divided from both sides and flip the equation
3 0
2 years ago
The cone had a radius of 4.5 inches and a height of 6 inches. What is the volume of this cone?
pochemuha

Answer:

125.8983

Step-by-step explanation:

Use the formula for volume of a cone: v= (1/3)(3.14)(radius squared)(height) so v = (1/3)(3.14)(20.25)(6) = 125.8983

4 0
2 years ago
Please answer this! It confuses me. 20 points for it.
Norma-Jean [14]
X + 1 = 3
x + 1 - 1 = 3 - 1
x = 2


x + 1 = -3
x + 1 - 1 = -3 -1
x = -4

Answer: x = 2 or x = -4
7 0
3 years ago
Read 2 more answers
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