MATHEMATICS HIGH SCHOOL

I have no idea how to use this site yet, so I'm just gonna put my algebra problem here. Thanks for any help!Graph system of equation:
x-2y=2
3+y=6

Answers

Answer 1
Answer: I have a hard times putting graphs so I'll just put the answers and say how to graph with paper
so we notice that if we solve the second equation (3+y=6), we get a value for y and no value for x so just draw a horizonal line at the point 3 on the y axis

then make the second equation into slope inercept form y=mx+b
x-2y=2
2y-x=-2
2y=x+2
y=1/2x+1
just put in values for x and get y values, then plot points and get line
find where the line inercepts/crosses the first line (3+y=6) and that is the solution

OR

so a the solution is when both equations are true so just assume both are true and solve for x and y

x-2y=2
3+y=6

first of all the second equation is easy
3+y=6
subtract 3 from both sides
y=3

so we subsitute 3 for y in first equation
x-2(3)=2
x-6=2
add 6 to both sides
x=8
y=3
the solution is the point (8,3)

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The product of 16 and 4 less than a number is 208. Find the number.

Answers

This is a word problem signifying an algebraic expression.

Translating this to mathematics:

16x - 4 = 208

add 4 to both sides.

16x = 212 

divide 16 to both sides. 

x = (212)/(16) 

this is:

x = 13.25 

In rectangle KLMN, KM=6x+16 and LN =49 find the value of x

Answers

6x+16=49
6x=49-16
6x=33
x=33/6
x=5.5
Diagonals bisect each other meaning you would set LN and KM equal to each other.
6x+16=49
-16 -16
6x=33
x=5.5

A shipping container is in the shape of a right rectangular prism with a length of 2 feet, a width of 14.5 feet, and a height of 14 feet. The container is completely filled with contents that weigh, on average, 0.9 pound per cubic foot. What is the weight of the contents in the container, to the nearest pound?

Answers

Answer:

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Step-by-step explanation:

What is the value of X?

SOMEONE PLEASE HELP!!

Answers

Remember, one whole circle is 360 degrees. This means that the side that looks to be the same as 43 degrees is 43 degrees. The side that looks the same as (6x+5) should be (6x+5).

Now just set up your equation like this and solve:

43+43+6x+5+6x+5=360

Hope I could be of help! :)

Suppose a circle has a circumference 16pi units. what is its radius

Answers

Answer:

radius=8

Step-by-step explanation:

Answer: the radius

8

Step-by-step explanation:

The sum of triple a number and 6 is 9

Answers

3x+6=9
Triple a number (3x) + 6
subtract 6 from both sides
3x=3
Divide by 3 on both sides
X=1
We have an equation: 3*?+ 6= 9
⇒ 3*?= 9-6
⇒ 3*?= 3
⇒ ?= 3/3
⇒ ?= 1

The number is 1~
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