I am confused help me
I am confused help me - 1

Answers

Answer 1
Answer: 2x+3=17
subtract 3 from both sides
2x=14
divide both sides by 2 and get
x=7
Answer 2
Answer: you need to subtract the 3. when you add a 3 you end up with 6. WHAT YOU DO TO ONE SIDE, YOU MUST DO TO THE OTHER. 

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Solve 2x2 + 12x − 14 = 0 by completing the square.

Is 3/47 a rational number

Answers

Yes, it is. 

Rational numbers are in the form p/q where p and q are both real numbers, and q does not equal to 0.

PLEASE HELP ASAP!!! 70 POINTS AND BRAINLIEST!!!Choose the equation that represents the graph below:
y = x − 3
y = −x + 3
y = −x − 3
y = x + 3

Answers

Answer:

y =x+3

Step-by-step explanation:

We need to find the slope

Find 2 points

(-3,0) and (0,3)

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

          = (3-0)/ (0--3)

          = (3-0)/ (0+3)

           =3/3

            =1

We know the y intercept  ( where it crosses the y axis) is at 3

We can write the equation in the form y= mx+b

y = 1x+3

y =x+3

You should use this app called desmos to solve this but its the last option

What is 1.64 as a fraction

Answers

Answer and workings in the attachment below.
1.64=1(64)/(100)=1(16)/(25)

Find the area of a square with side a when a=2 in, a=12 in, and a=0.8 in. Are the area of a square and the length of its side directly proportional quantities? Why or why not?

Answers

Answer:

4 inches²

144 inches²

0.64 inches²

Yes, the area of a square and the length of its side directly proportional quantities.

Step-by-step explanation:

In this question, we have to find the area of square by changing the lengths of a side. Given lengths are: 2, 12, 0.8. I will evaluate the area of each side and try to find out the relation between area and length of side.

First, we start with the smallest length (a=0.8 inches)

Area of a square is calculated by taking the square of single side (since both sides are equal).

Area of square = a²

Area of square = 0.8²

Area of square = 0.64 inches²

Area of square with smallest side length (a=0.8 inches) = 0.64 inches²

Secondly, we start with the 2nd highest length (a=2 inches)

Area of square = a²

Area of square = 2²

Area of square = 4 inches²

Area of square with second largest side length (a=2 inches) = 4 inches²

Thirdly, we start with the highest length (a=12 inches)

Area of square = a²

Area of square = 12²

Area of square = 144 inches²

Area of square with highest side length (a=12 inches) =144 inches²

As we can see, with the increase in the length of a side, area of square is also increasing. Therefore, yes the area of a square and the length of its side are directly proportional quantities as the area increases or decreases when the length of the side increases or decreases.

Answer:

They are directly proportional quantities.

Step-by-step explanation:

DEFINITION

Two quantities are said to be directly proportional if an increase in one quantity lead to an increase in the other quantity.

Area of a Square = Length^2

Area of a Square of Length 2 inch = 2^2=4 \:square \:inch

Area of a Square of Length 12 inch = 12^2=144 \:square \:inch

Area of a Square of Length 0.8 inch = 0.8^2=0.64 \:square \:inch

Arranging the sides and corresponding area in ascending order:

(0.8, 2,  12) = (0.64,  4,   144)

We notice that as the length increases, the area also increases.

Therefore, the area of a square and the length of its side are directly proportional quantities.

In what two placed did Peter spend most of his time?

Answers

Answer:

Unknown

Step-by-step explanation:

There is no context. Can't help you if we don't know anything about Peter.

paula spent 3/8 of her allowance on clothes and 1/6 on entertainment. what fraction of her allowance did she spend on other items?

Answers

9/24+4/24=13/24
24/24-13/24= 11/24 of her money was spent on other things.