4x+7y= 28 solve for yNot a graphing question

Answers

Answer 1

Answer: The answer I got was y=-4/7x +4

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Expand and simplify. (x+4)squared

Answers

The quadratic expression (x+4)² = x² + 8x + 16.

The given expression is,

(x+4)²

The expression (x+4)² represents a mathematical operation called "squaring."

To expand it, we need to multiply the expression by itself.

So, (x+4)² becomes (x+4) * (x+4).

When we multiply these terms, we apply the distributive property and combine like terms.

After simplifying, we get x² + 8x + 16.

Or we can directly use the identity,

(a+b)² = a² + b² + 2ab

Here a = x and b = 4

(x+4)² = x² + 4² + 8x

Hence,

(x+4)² = x² + 8x + 16

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(x+4)²= (x+4)×(x+4)

Use the FOIL method to simplify

F=First (multiply the first number of each expression)
O=Outside (multiply the outside edges of each expression)
I= Inside (multiply the inside edges of each expression)
L= Last (multiply the last number of each expression)

x times x= x²
x times 4= 4x
4 times x= 4x
4 times 4= 16

Add them together, we have: x²+4x+4x+16
We can simplify this by adding like terms
4x+4x=8x

Final expression= x² + 8x + 16

What is the absolute value of 0.6?

Answers

Answer:

0.6

Step-by-step explanation:

We are given that 0.6

We have to find the absolute value of 0.6

Absolute value of a number : it is defined as the magnitude of a number .

If a number x

Then, its absolute value is given by

$\mid x\mid=x$

It is always positive because it is distance of a number from zero .

Absolute value of 0.6 is given by

$\mid 0.6\mid=0.6$

the absolute value of 0.6 is 0.6 beacause its the same thing

Please help me determine the wedge/dash molecular structure, (R)-5,5-dibromo-3-fluoro-2-methyl-3-hexanol.

Answers

lol this makes absolutly no sense in my mind, what do even half of the words mean? XD

|-4k|>16 Solve inequality. Graph the solution set on a number line.

Answers

Answer (it has two solutions):

k > 4
k < -4

I hope this helps!

HW 2: Angles of TrianglesFind the missing angle:
1
Measure of Angle 1 =
67
62

Answers

Hi there, to answer this problem we will first need to identify the third missing angle inside the triangle. Triangles add to 180 degrees, therefore we can add the two provided sides: 62+67= 129. To find the third angle, we can subtract 129 from 180 and end with 51. This is the measurement of the third angle inside the triangle. Now we can take this number and subtract it from 180, because the value you are looking for is located on a straight 180 degree line which forms one side of the triangle. The answer to your questions is: the measure of angle 1 is 51 degrees. Hope this helps!!

18 4/7 into an improper fraction

Answers

To find an improper fraction, you want to do 18* 7 which equals, 126, so then 126+4=130. So then 130/7 would be your answer.

Final answer:

The mixed number 18 4/7 can be converted to an improper fraction by first multiplying the whole number (18) by the denominator of the fraction (7), then adding the numerator of the fraction (4). This results in the improper fraction 130/7.

Explanation:

The problem is asking to convert the mixed number 18 4/7 into an improper fraction. A mixed number contains a whole number and a proper fraction combined. An improper fraction is a fraction where the numerator (top number) is greater than or equal to the denominator (bottom number).

To convert a mixed number to an improper fraction, you multiply the whole number by the denominator of the fraction, then add the numerator of the fraction.

So in the case of the mixed number 18 4/7, the calculation would be as follows: (18 * 7) + 4 = 130.

So, 18 4/7 as an improper fraction is 130/7.

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