Variable y varies directly with variable x, and y = 48 when x = 8. What is the value of y when x = 4?
y =
Answers
Final answer:
To find the value of y when x = 4 in a direct variation equation, we first solve for the constant of variation, k. Once we have k, we can substitute x = 4 into the equation and solve for y.
Explanation:
To find the value of y when x = 4, we can use the formula for direct variation:
y = kx
where k is the constant of variation. We can solve for k using the given information:
When x = 8, y = 48. Plugging these values into the formula, we get:
48 = k * 8
Solving for k, we find that k = 6.
Now we can use k to find the value of y when x = 4:
y = 6 * 4
y = 24
Learn more about Direct Variation here:
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To do this, multiply 1/10 by 10/10 (which equals one, so it doesn't change the value of the fraction).
Now you have 10/100 and 8/100. To add them, simply add the numerators and keep the denominators the same.
This results in 18/100, which can be simplified to 9/50.
What number, when added to negative five, is equal to negative four?
What number, when subtracted from negative four, is equal to negative five?
What number, when subtracted from negative five, is equal to negative four?
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Answer:
First question describe the equation
Step-by-step explanation:
Given:
The given equation is.
Four questions are given.
First question.
What number, when added to negative four, is equal to negative five?
Lets we add g as a integer with negative four is equal to negative five.
Write the above statement in mathematical terms.
So first question describe the equation It is right answer
Second question.
What number, when added to negative five, is equal to negative four?
Lets we add g as a integer with negative five is equal to negative four.
Write the above statement in mathematical terms.
So Second question describe the equation
Third question.
What number, when subtracted from negative four, is equal to negative five?
Lets we subtract g as a integer with negative four is equal to negative five.
Write the above statement in mathematical terms.
So first question describe the equation
Fourth question.
What number, when subtracted from negative five, is equal to negative four?
Lets we subtract g as a integer with negative five is equal to negative four.
Write the above statement in mathematical terms.
So first question describe the equation
Therefore first question is describes the equation
Answer:
What number, when added to negative five, is equal to negative four?
Step-by-step explanation:
Answers
15+ 6 = 21
15^2 + 6^2 = 261
a + b < 0
a - b > 0
a + b > 0
b - a > 0
Answers
If a > 0 and b < 0, then The answer is a + b > 0
let’s give a specific example:
let’s have a = 1
and b = .20
Now, let’s try calculating if our answer is correct.
Thus a + b > 0
=> a + b
=> 1 + .20
=> 1.20
and 1.20 is greater than 0.
=>Therefore 1.20 > 0 = a + b > 0