MATHEMATICS MIDDLE SCHOOL

|x^2-4x|>=3x
Pleasee!!

Answers

Answer 1
Answer: so x ≤ 0 
and then it's,
x ≥ 7 

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The difference between two whole numbers is 14. Their product is 1,800. What are the two numbers?

Answers

The numbers are "x" and "y", therefore, we suggest this system of equations:
x-y=14
xy=1800
We can solve by substitution method.
x=14+y

(14+y)y=1800
14y+y²=1800
y²+14y-1800=0

Now, we solve this square equation:
y=[-14⁺₋√(196+7200)] / 2=(-14⁺₋86)/2
We have two solutions:

y₁=(-14-86)/2=-50     ⇒x=14+y=14-50=-36
y₂=(-14+86)/2=36    ⇒x=14+y=14+36=50

Answer: we have two solutions:
Solution1: The first number is -36 and the other number is -50
Soltuion2: The first number is 50 and the other number is 36

Help plzzz question 18

Answers

B can be either 6 or 4

Which is longer, 2 feet or 28 inches?

Answers

28 inches its 2 more inches than t feet
28 inches.
2 feet is 24 inches

4y + 36 I don't know how to solve this....

Answers

You can't solve for y because the expression is not set equal to anything, and the expression is already simplified. The only thing you could do is factor out the GCF, 4.
I got 4x(y+9) i dont know sorry but hopefully that helps

6 yards to 36 yards percent of change

Answers

Percent of change = amount of change/original amount
P=(36-6)/6
P=30/6
P= 5
Change that to percent:
5 x 100
= 500%

Hope this helps :)

This is equal to the amount of change over the original amount
 In this case the amount of change is 30   (36-6=30)

 = 5 
And 5 = 500% percent of change

Note that this is different than: What percent of 6 is 36?  That would be 600%

peace bruhhhh

45 POINTS!! PLEASE HELP!! Im struggling on a math assignment and if I fail the class I can't graduate. I need someone to create a histogram for me.The numbers in my chart are 1, 4, 9, 10, 12, 16, 16 and for the life of me i can't figure out how to make a histogram with them.

Answers

Use Excel graphing. Then make histogram (a graph that represents values with columns)
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