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Zepler [3.9K]
2 years ago
7

if a jar of coins contains 40 half dollars and 200 quarters, what is the monetary value of the coins? (Show all work)

Mathematics
1 answer:
diamong [38]2 years ago
4 0
40x50=2000
200x25=5000
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Solve the linear system of equations using addition. Graph the equations to verify your solution. required.
zhenek [66]
<h3>Answer:</h3>

infinite solutions

<h3>Step-by-step explanation:</h3>

Add the two equations.

... (-4x) + (y) = (y +3) +(-4x -3)

Add 4x -y to both sides.

... -4x +y +4x -y = -4x +y +4x -y

... 0 = 0 . . . . . true for all values of x (or y)

Both equations describe the same line.

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The graph shows the first equation as a red line. The second equation is shown using a "blue dot" texture, so you can see it overlays the red line.

8 0
3 years ago
Find x please help asap
Readme [11.4K]

Answer:

Step-by-step explanation: i think this is unsolvable because you need two angle measurements to figure out the third angle...

5 0
2 years ago
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What is the area of the shaded region?
marshall27 [118]
Area of large triangle
= 1/2 bh
= 1/2 (5)(12) 
= 1/2 (60)
= 30

area of un-shaded triangle
= 1/2bh
= 1/2(3)(4)
= 1/2 (12)
= 6

area of shaded = area of large triangle  - area of un-shaded triangle
area of shaded = 30 - 6
area of shaded = 24

answer
24
5 0
3 years ago
Find the median and mean of the data set below:<br> 21,0,36,30,13,32
sineoko [7]

im not going to give the answer but i am going to help you

Step-by-step explanation:

look the median is just the middle, if there is 2 medians then you add those 2 and then divide by 2 to get the MEDIAN in absolute.

now to find the mean all you do is simple you first add all of the numbers below then you would divide by how many numbers you have?

I hope this helps if not then have a nice day

6 0
2 years ago
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Calculate the rate of change for the following data:
Licemer1 [7]

Given:

The table of values.

To find:

The rate of change.

Solution:

From the given table it is clear that the rate of change is constant and function passes through two points (-1,5) and (2,-4). So, the rate of change is

m=\dfrac{y_2-y_1}{x_2-x_1}

m=\dfrac{-4-5}{2-(-1)}

m=\dfrac{-9}{2+1}

m=\dfrac{-9}{3}

m=-3

So, the rate of change is -3.

Therefore, the correct option is C.

6 0
2 years ago
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