MATHEMATICS MIDDLE SCHOOL

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What is the vertex of the function f(x) = 1x2 + 3x + 3?

Answers

Answer 1
Answer:

Answer:

(-1.5,0.75)

Step-by-step explanation:

If you graph it you can see the vertex

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Erika has 3 pieces of ribbon. each piece is 25 yards long she needs to cut pieces that are 22 inches long . What is the greatest number of 22-inch pieces that she can cut from the three ribbons ?
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What is the slope of the line shown below ?

Answers

Answer:

4

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(6-(-2))/(3-1)

m=(6+2)/(2)

m=8/2

m=4

Which of the following is equivalent to log9w

Answers

log 9 + log w is equivalent to log9w

Hope my answer helped :)

What is the least common multiple you could use to find 4/5 + 5/6?

Answers

Tbh idk ask your teacher

Simplify using the vertical method. (2k+3)(2k^2-4k-3)

Answers

4k^3 - 8k^2 + 6k^2 - 12k - 6k - 9
Combine like terms... -8k^2+6k^2= -4k^2
-12k+6k=-6k
and leave 4k^3 and -9 alone because you don't have anything to combine it with so the equation is  4k^3 -4k^2 -6k -9

Plz help me w/these three problems reasonably easy sixth grade math thank you!!!!!

Answers

This is simple!
To begin with, arrange all the numbers in order.
#1
5, 5, 20, 20, 25, 30, 35
Mean:  add all the numbers together and divide it by how many numbers are there
5+5+20+20+25+30+35=140 
there are 7 numbers
Mean: (140)/(7) = 20
Median: The middle number, if the set of numbers have an odd number, then the one in between is the median, if there it is an even number, then the mean of the two in-between numbers is the median.
Median:  20
Mode: The most repeated numbers
Mode: 5 and 20
Range: Highest number - lowest number
Range: 35 - 5 
            30
#2
Order: 44, 48, 48, 49, 59, 61, 63, 68
Mean: 440 (sum of all numbers)
there are 8 numbers in total
(440)/(8) = 55
Median: there are 8 numbers so, the mean of the in-between numbers will be the median
49+59=108
2 numbers
(108)/(2) = 54
Mode: 48
Range = 68 - 44 = 24

Mary decreaser time in the mile walk from 30 minutes to 24 minutes what is the percent decrease

Answers

There was a 20% decrease. To find the decrease, subtract the old number from the new number. (30-24=6) Then divide the decrease (6) by the original number and multiply the answer by 100. (6/30=0.2 0.2*100=20).
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