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Yakvenalex [24]
2 years ago
6

Please help !!!!!!due today The dot plot represents student scores on a math test.

Mathematics
1 answer:
riadik2000 [5.3K]2 years ago
7 0

So sorry this is late! Hopefully this can still be useful in some way.

A: 13 students took the test. count how many dots there are, and that your answer!

B: The median score is 60. We can find this by ordering all the scores in order from least to greatest, and finding which is in the middle. In this question, its 20, 20, 20, 20, 40, 50, 60, 60, 60, 80, 80, 80, 90

C: There are 7 students that scored at least a 60. All we have to do is count how many dots there are at 60 or above!

Again, sorry for being late, but hope this helped :)

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GarryVolchara [31]
Given equations:
P=w+2
p=7w-16
Compare both equations
7w-16=w+2
Add 16 to both sides.
7w=w+18
Subtract w from both sides.
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Divide both sides by 6.
w=3, which is the age of Winnie.
Now Peter's age=3+2=5 years

Option A is the correct method to find the age of Peter and Winnie.

7 0
2 years ago
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a concession stand is selling hot dogs and hamburgers during a game. at halftime they sold a total of 78 hot dogs and hamburgers
lara31 [8.8K]
Let x=number of hamburgers sold and y=number of hot dogs sold.
Step 1)
cost of burgers X # of burgers + cost of hotdogs X # of hotdogs=$ collected               1.5x + 1.25y=105.5

step 2)
# of burgers sold + number of hot dogs sold = total number of items sold
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step 3)  solve for y in the second equation
     y = 78 - x

step 4)  substitute y = 78 - x in the first equation for the value of y and solve for x
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step 5)  plug in our value for x in the second equation and solve for y
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answer       32 hamburgers and 46 hot dogs
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Answer:

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