MATHEMATICS MIDDLE SCHOOL

Equivalent expressions 36 + 18x

Answers

Answer 1
Answer:

Answer:

An equivalent expression is 18(2 + x)

Step-by-step explanation:

To find this, look for the greatest common factor. Since both terms are divisible by 18 equally, we take 18 out of each term. Then we divide both terms by 18 and express in a parenthesis.

18(2 + x)
Answer 2
Answer:

The answer is there

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What type of polynomial is 3x+x to the second power +4quartic

cubic

linear

quadratic

Answers

The answer is quadratic.


A quadratic equation takes this form:


ax^2+ bx + c


The "a,""b,"and "c" represent numerical coefficients.


This is how your equation looks:


3x + x^2 + 4


Now it is standard that we organize the polynomial in descending order so it will look like this:


x^ 2 + 3x + 4


(commutative property of addition says that the arrangement will not affect the result)


It matches the quadratic polynomial form.


* You might be thinking, x to the second power has no number next to it though, well actually it does. The numerical coefficient of x to the power of two in this case is actually 1. It's just that in math, it is not necessary to put the one anymore. It is already assumed.

Describe the translation on the graph of f(x)=x to get the graph of g(x) = 3/4(x-7) - 9

Answers

First there was a vertical shrink by a factor of 3/4, then there was a translation on the x axis 7 east or right. Lastly there was a vertical shift down or south 9 units.

fist x change3/4 times ,get g(x) =3/4x,then fx move 7 on the right ,get g(x) =3/4(x-7),then f(x)move down 9,get g(x) = 3/4(x-7) - 9

Write and equation of a line that is parallel to the line below and passes through the given point

Answers

a line parrelel would have the same slope

in y=mx+b   m=slope and b=yintercept

so y=-2/3x-5 
the point you want is -3,11 or this equation is true when x=-3 and y=11 are true so subsitute and solve for the new 'b'

11=-2/3(-3)+b
11=2+b
subtract 2 from both sides
9=b

the equaqtion is y=-2/3x+9
If one line is parallel to another, that means the two lines have the same slope.  Therefore, since the line you are creating is parallel to the line y = -2/3x - 5, it's slope must be the same, -2/3.  Additionally, you know it passes through the point (-3, 11).

If you don't remember the slope-intercept equation, it looks like this:
y = mx + b, where m is the slope, b is the y-intercept, and x and y are, well, x and y.

Let's plug in the slope we know it must have (-2/3)  and plug in the (x, y) coordinates we were provided so that we can find b.
11 = -2/3(-3) + b

Solve for b:
11 = 2 + b
9 = b

Now we know our slope and our y-intercept, after solving for it, so we can write our final equation!

The answer is: y = -2/3x + 9

How to convert 0.39 into a fraction?

Answers

Times it by 100 so you get 39.39/100 and then take off 1/100 which is 0.39 so your answer is 39/99 which you can then cancel down to 13/33. Hope this helps :)
1)\ \ 0,39= (39)/(100)\n \n2)\ \ 0,(39)=x\n \nx=0,393939...\ /\cdot100\n100x=39,393939...\n \n100x-x=39,393939...-0,393939...\n \n99x=39\ /:99\n\n x= (39)/(99) \n \nx= (39:3)/(99:3) \n \nx= (13)/(33)

Cathy has 10 feet of ribbon that she wants to use to make bows. She needs 2/3 foot of ribbon for each bow. She also needs to use 16 inches of the ribbon for another project. How many bows will she able to make with the amount of ribbon that is left?

Answers

13 bows is the correct answer because:

10 feet=120 inches
2/3 foot= 8 inches
so 120-16 is 104 and that divided by 8 is 13.

Answer:

13

Step-by-step explanation:

A dump truck is unloading sand that falls into a conical pile. Find the height of the cone when the diameter of the pile is 16 ft and the volume of the sand is 550 ft3. Round your answer to the nearest tenth.

Answers

Answer:

8.21

Step-by-step explanation:

formula is:

V= 3(volume)/(pie(diameter))

you plug everything in but when you go to plug in your diameter you need to use the radius. the radius is always half of the diameter.
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