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tigry1 [53]
3 years ago
11

Help 19 points 4th grade math

Mathematics
2 answers:
Rudik [331]3 years ago
5 0
#1:  214 tickets split 9 ways does not work out to an integer number.  Nobody wants 2/3 of a ticket, right?

So the trick here is to determine the first multiple of 9 greater than 214.

Note that 214/9 = 23.8.  No good.  Not an integer.

Multiply 23 by 9; we get 207.  Multiply 24 by 9; we get 216.  

So, given that we have 214 tickets already, we need 2 more, to make 216.

Check:  Is 216 divisible by 9 without a remainder?  Yes.  Then each of the 9 students will get 24 tickets.

The rest of the problems are somewhat similar to this one.

See whether you can do the next one, #2.

If you'd share your results, I'd be happy to comment on what you've done.


Ne4ueva [31]3 years ago
4 0
1. 23 2. 137 packs 3. 97 4. 239 crayons 5.108 packs 6.103 beads

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Which answers are elements of the solution set of the inequality? Check all that apply. X-54 > - 76
RideAnS [48]

Answer:

C, D

Step-by-step explanation:

I assume your problem statement actually says

x - 54 > -76

x > -22

then the answers

C, D

are part of the solution set.

the others are not.

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3 years ago
A machine can produce 6yards of fabric in 2 minutes. How much fabric can the machine produce in 1 hour?
Alex17521 [72]

Answer:

180

Step-by-step explanation:

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3 years ago
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The data set represents a progression of hourly temperature measurements.Use the regression equation to predict the temperature
zimovet [89]
I will attach google sheet that I used to find regression equation.
We can see that linear fit does work, but the polynomial fit is much better.
We can see that R squared for polynomial fit is higher than R squared for the linear fit. This tells us that polynomials fit approximates our dataset better.
This is the polynomial fit equation:
T(h)=20.2-3.6h-0.875h^2
I used h to denote hours. Our prediction of temperature for the sixth hour would be:
T(6)=20.2-3.6(6)-0.875(6)^2=-32.9
Here is a link to the spreadsheet  (<span>https://docs.google.com/spreadsheets/d/17awPz5U8Kr-ZnAAtastV-bnvoKG5zZyL3rRFC9JqVjM/edit?usp=sharing)</span>

4 0
3 years ago
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You have $18 to buy peppers. Peppers cost $1.50 each. Write and solve and inequality that represents the number of peppers you c
IrinaVladis [17]

Answer:

1.50x=18

Step-by-step explanation:

you need to figure out how many you can buy, so we will put x in there and it will all equal 18, therefore heres that equal sign. so yeh.

3 0
3 years ago
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2/3 + (-5/7)<br><br><br><br> .........
dmitriy555 [2]

Answer:

-1/21

Step-by-step explanation:

2/3 + -5/7

Get a common denominator of 21

2/3 *7/7 = 14/21

-5/7*3/3 = -15/21

14/21 - 15/21 = -1/21

4 0
3 years ago
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