MATHEMATICS MIDDLE SCHOOL

(3x+11) + (10x-12)/2 = 45

Answers

Answer 1
Answer:

Answer:

x=5

Step-by-step explanation:
Answer 2
Answer:

3x+11=10x-12

We move all terms to the left:

3x+11-(10x-12)=0

We get rid of parentheses

3x-10x+12+11=0

We add all the numbers together, and all the variables

-7x+23=0

We move all terms containing x to the left, all other terms to the right

-7x=-23

x=-23/-7

x=3+2/7

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The town library is raising money by selling old books for $2 each.Which equation can be used to find the amount of money raised if the number of books sold is known?Let x represent the number of books sold and y represent the amount of money raised.

Answers

y=2x
y is the amount of money made from the sold books
x is the number of books that are sold (it is x because you don't know how many will be sold, so you have to account for all possibilities)
2x is because every book is sold for 2 dollars, so that mean x is multiplied by 2 to get y

Answer:

y=2x

Step-by-step explanation:

y is the amount of money made from the sold books

x is the number of books that are sold

since every book is sold for 2 dollars it's 2x,

so that mean x is multiplied by 2 to get y

Rewrite equation in vertex form y=x^2+4x+2

Answers

Answer: y =(x+2)^2-2

Steps:

The general vertex form of a parabola is as follows:

y = a(x-x_v)^2+b

where xv is the x coordinate of the vertex, a is the coefficient determining how wide/narrow the parabola is and whether it is open-up (+) or open-down (-), and b is the bias (vertical shift.


Transforming an expression into the vertex form involves completing the square step:

y=x^2+4x+2\ny = x^2 + 2\cdot2 x+ 2 + 4 - 4= (x+2)^2-2\ny =(x+2)^2-2\n\implies x_v = -2,a=1, b=-2

the doghouse shown has a floor,but no windows. find the total surface area of the doghouse, including the door

Answers

66 ft squared. I have the same book.
66 ft. squared. I do Go Math to, doesn't it stink :P Hope this helped ☻

trapezoid ABCD is congruent to trapezoid A B C D which sequence of transformations could have been used to transform trapezoid ABCD to produce trapezoid A B C D

Answers

If the trapeziods are congruent, then the trapezoid could have been translated, rotated or reflected across some axis. All of these forms of transformation move the object without altering the shape/size of the object.

Answer:Translated, Rotated or Reflected 

Please answer in a step by step explanation

Answers

Answer:

Step-by-step explanation:

its a

Please tell me what is 5mi in feet

Answers

To find out what 5 miles in feet would be, you simply have to multiply the amount of feet per mile by 5.

5280 * 5 = 26400

There are 26,400 feet in 5 miles.
Hope that helped! =)
one mile will be converted into 5280 feet so you multiply 5280*5= 26400
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