Answer:
y = 5.5
Step-by-step explanation:
The total distance between the lines j and l is 10.
The total distance between the lines k and l is 9.
To find the distance between the lines j and k we can use the given information.
10 (distance between j and l) - 9 (distance between k and l) = 1 (the distance between the lines j and k).
So the distance between lines j and k is 1.
In the given picture the distance is shown as 2y-10.
This means 2y - 10 = 1
Now we need to solve this equation to find y.
2y - 10 = 1
2y = 1 + 10
2y = 11
y = 11/2
y = 5.5
(NOTE: We are not including 4 in the process of finding the value of y because this particular line is not similar to the line where y is )
When multiplying terms with the same base with exponents, you keep the base and add the exponents.
2^4 * 2^3 = 2^7
Any number with an exponent of zero equal one.
4^0 = 1
Multiply exponents when the term is being multiplied by a power.
(2^4)^3 = 2^12
When dividing terms with exponents, you keep the base and subtract the exponents.
9^7/9^5 = 9^2 9^5/9^7 = 1/9^2
Here we need to convert 2. 1 cm to mm .
And for that we will use the following conversion .
1cm = 10 mm
So for 2.1 cm, we will multiply 2.1 and 10 to convert it to mm. Therefore 2.1 cm = 2.1* 10mm = 21mm
And that's the required answer .
A) y = 2x -4
B) x + 2y = 12
A) -2x + y = -4 then multiplying Equation B by 2
B) 2x + 4y = 24
Adding the equations
5y = 20
y = 4
x = 4
Okay, that was solved by elimination.
If these equations were graphed, they would be two lines that would meet at the point (4, 4)
This means that if b doubles, then a will become half as large. For the inverse of the ratio 2 to 1 ("doubles") is the ratio 1 to 2 ("half"). The terms are exchanged; the inverse of the ratio a : b is the ratio b : a.
When a varies inversely as b, we say that a is inversely proportional to b.
