Answer:
The value of x is 21 .
Step-by-step explanation:
We are given that x varies directly as y
--- A
We are given that x = 7 and y = 28
Substitute the values in A
7 = 28k
Now equations becomes :
y = 84
Hence The value of x is 21 .
#Learn more:
Find the value of y for a given value of x, if y varies directly with x.
If y = −252 when x = 84, what is y when x = 74
Step-by-step explanation:
Answer:
The length is
and width is
.
Step-by-step explanation:
Given:
Length is 11 centimeters more than its width.
Now, to find the length and width.
Let the width of rectangle be ![x\ cm.](https://tex.z-dn.net/?f=x%5C%20cm.)
And the length of rectangle = ![x+11\ cm.](https://tex.z-dn.net/?f=x%2B11%5C%20cm.)
Therefore, the length is
and width is
of the rectangle.
There’s no photo ? so i’m not sure how to help
Answer:
3x - 6 = x + 9
2x - 6 = 9
2x = 15
x = 7.5
Step-by-step explanation: